Laboratory diagnostic techniques for Entamoeba species

Clinical Microbiology Reviews

Volumn 20, Issue 3, 2007, Pages 511-532

  Fotedar, R ^a   Stark, D ^a   Beebe, N ^b   Marriott, D ^a   Ellis, J ^c   Harkness, J ^a  

^a ST VINCENT S HOSPITAL   (Australia)

^b UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

^c UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

AMEBIASIS; ANTIBODY DETECTION; ANTIGEN DETECTION; CLINICAL FEATURE; COLITIS; DEVICE; DIAGNOSTIC PROCEDURE; DNA EXTRACTION; DYSENTERY; ENTAMOEBA; ENTAMOEBA DISPAR; ENTAMOEBA HISTOLYTICA; ENTAMOEBA MOSHKOVSKII; ENZYME LINKED IMMUNOSORBENT ASSAY; HIGH RISK POPULATION; LABORATORY DIAGNOSIS; MICROARRAY ANALYSIS; MICROBIAL COLONIZATION; NONHUMAN; POLYMERASE CHAIN REACTION; REAL TIME POLYMERASE CHAIN REACTION; REVIEW; SENSITIVITY AND SPECIFICITY; SYSTEMATIC REVIEW;

ANIMALS; ANTIBODIES, PROTOZOAN; ANTIGENS, PROTOZOAN; CHROMATOGRAPHY; DNA, PROTOZOAN; ENTAMOEBA; ENTAMOEBIASIS; ENZYME-LINKED IMMUNOSORBENT ASSAY; HUMANS; ISOENZYMES; NUCLEIC ACID AMPLIFICATION TECHNIQUES; OLIGONUCLEOTIDE ARRAY SEQUENCE ANALYSIS; POLYMERASE CHAIN REACTION; PROTOZOAN PROTEINS;

ENTAMOEBA;

EID: 34547400970     PISSN: 08938512     EISSN: None     Source Type: Journal    
DOI: 10.1128/CMR.00004-07     Document Type: Review

References (216)

1. Abd-Alla, M. D., T. G. Jackson, and J. L. Ravdin. 1998. Serum IgM antibody response to the galactose-inhibitable adherence lectin of Entamoeba histolytica. Am. J. Trop. Med. Hyg. 59:431-434.
2. Abd-Alla, M. D., T. F. Jackson, S. Reddy, and J. I. Ravdin. 2000. Diagnosis of invasive amoebiasis by enzyme linked immunosorbent assay of saliva to detect amoebic lectin antigen and antilectin immunoglobulin G antibodies. J. Clin. Microbiol. 38:2344-2347.
3. Acuna-Soto, R., J. Samuelson, P. De Girolami, L. Zarate, F. Millan-Velasco, G. Schoolnick, and D. Wirth. 1993. Application of the polymerase chain reaction to the epidemiology of pathogenic and nonpathogenic Entamoeba histolytica. Am. J. Trop. Med. Hyg. 48:58-70.
4. Adams, E. B., and I. N. MacLeod. 1977. Invasive amebiasis. I. Amebic dysentery and its complications. Medicine 56:315-323.
5. Adams, E. B., and I. N. MacLeod. 1977. Invasive amebiasis. II. Amebic liver abscess and its complications. Medicine 56:325-334.
6. Aguirre, A., D. C. Warhurst, F. Guhl, and I. A. Frame. 1995. Polymerase chain reaction-solution hybridization enzyme-linked immunoassay (PCR-SHELA) for the differential diagnosis of pathogenic and non-pathogenic Entamoeba histolytica. Trans. R. Soc. Trop. Med. Hyg. 89:187-188.
7. Aguirre, A., S. Molina, C. Blotkamp, J. Verveij, T. Vinuesa, M. E. Valls, F. Guhl, A. Polderman, M. T. Jimenez de Anta, M. Corachan, A. Gonzalez-Ruiz, I. A. Frame, and D. Warhurst. 1997. Diagnosis of Entamoeba histolytica and Entamoeba dispar in clinical specimens by PCR-SHELA. Arch. Med. Res. 28:285-287.
8. Ali, I. K., M. B. Hossain, S. Roy, P. F. Ayeh-Kumi, W. A. Petri, Jr., R. Haque, and C. G. Clark. 2003. Entamoeba moshkovskii infections in children, Bangladesh. Emerg. Infect. Dis. 9:580-584.
9. Ali, I. K., M. Zaki, and C. G. Clark. 2005. Use of PCR amplification of tRNA gene-linked short tandem repeats for genotyping Entamoeba histolytica. J. Clin. Microbiol. 43:5842-5847.
10. Allason-Jones, E., A. Mindel, P. Sargeaunt, and P. Williams. 1986. Entamoeba histolytica as a commensal intestinal parasite in homosexual men. N. Engl. J. Med. 31:353-356.
11. Ayeh-Kumi, P. F., I. M. Ali, L. A. Lockhart, C. A. Gilchrist, W. A. Petri, Jr., and R. Haque. 2001. Entamoeba histolytica: genetic diversity of clinical isolates from Bangladesh as demonstrated by polymorphisms in the serine-rich gene. Exp. Parasitol. 99:80-88.
12. Balamuth, W. 1946. Improved egg yolk medium for cultivation of Entamoeba histolytica and other intestinal protozoa. Am. J. Clin. Pathol. 16: 380-384.
13. Bansal, D., R. Sehgal, Y. Chawla, R. C. Mahajan, and N. Malla. 2004. In vitro activity of antiamoebic drugs against clinical isolates of Entamoeba histolytica and Entamoeba dispar. Ann. Clin. Microbiol. Antimicrob. 21:3:27.
14. Barnes, P. F., K. M. DeCock, T. N. Reynolds, and P. W. Tralla. 1987. A comparison of amebic and pyogenic abscess of the liver. Medicine (Baltimore) 66:472-483.
15. Bhattacharya, S., A. Bhattacharya, L. S. Diamond, and A. T. Soldo. 1989. Circular DNA of Entamoeba histolytica encodes ribosomal RNA. J. Protozool. 36:455-458.
16. Blanc, D., and P. G. Sargeaunt. 1991. Entamoeba histolytica zymodemes: exhibition of gamma and delta bands only of glucose phosphate isomerase and phosphoglucomutase may be influenced by starch content in the medium. Exp. Parasitol. 72:87-90.
17. Blessmann, J., I. K. Ali, P. A. Nu, B. T. Dinh, T. Q. Viet, A. L. Van, C. G. Clark, and E. Tannich. 2003. Longitudinal study of intestinal Entamoeba histolytica infections in asymptomatic adult carriers. J. Clin. Microbiol. 41:4745-4750.
18. Blessmann, J., H. Buss, P. A. Nu, B. T. Dinh, Q. T. Ngo, A. L. Van, M. D. Alla, T. F Jackson, J. I. Ravdin, and E. Tannich. 2002. Real-time PCR for detection and differentiation of Entamoeba histolytica and Entamoeba dispar in fecal samples. J. Clin. Microbiol. 40:4413-4417.
19. Blessmann, J., P. Van Linh, P. A. Nu, H. D. Thi, B. Muller-Myhsok, H. Buss, and E. Tannich. 2002. Epidemiology of amebiasis in a region of high incidence of amebic liver abscess in central Vietnam. Am. J. Trop. Med. Hyg. 66:578-583.
20. Blessmann, J., A. L. Van, and E. Tannich. 2006. Epidemiology and treatment of amebiasis in Hue, Vietnam. Arch. Med. Res. 37:270-272.
21. Blessmann, J., N. D. Khoa, A. L. Van, and E. Tannich. 2006. Ultrasound patterns and frequency of focal liver lesions after successful treatment of amoebic liver abscess. Trop. Med. Int. Health 4:504-508.
22. Boonyapisit, S., O. Chinapak, and U. Plengvait. 1993. Amoebic liver abscess in Thailand, clinical analysis of 418 cases. J. Med. Assoc. Thailand 76:243-246.
23. Braga, L. L., Y. Mendonca, C. A. Paiva, A. Sales, A. L. Cavalcante, and B. J. Mann. 1998. Seropositivity for and intestinal colonization with Entamoeba histolytica and Entamoeba dispar in individuals in northeastern Brazil J. Clin. Microbiol. 36:3044-3045.
24. Britten, D., S. M. Wilson, R. McNerney, A. H. Moody, P. L. Chiodini, and J. P. Ackers. 1997. An improved colorimetric PCR-based method for detection and differentiation of Entamoeba histolytica and Entamoeba dispar. J. Clin. Microbiol. 35:1108-1111.
25. Burch, D. J., E. Li, S. Reed, T. F. Jackson, and S. L. Stanley. 1991. Isolation of a strain-specific Entamoeba histolytica cDNA clone. J. Clin. Microbiol. 29:696-701.
26. Caballero-Salcedo, A., M. Viveros-Rogel, B. Salvatierra, R. Tapia-Conyer, J. Sepulveda-Amor, G. Gutierrez, and L. Ortiz-Ortiz. 1994. Seroepidemiology of amebiasis in Mexico. Am. J. Trop. Med. Hyg. 50:412-419.
27. Calderaro, A., C. Gorrini, S. Bommezzadri, G. Piccolo, G. Dettori, and C. Chezzi. 2006. Entamoeba histolytica and Entamoeba dispar. comparison of two PCR assays for diagnosis in a non-endemic setting. Trans. R. Soc. Trop. Med. Hyg. 100:450-457.
28. Chadee, K., J. M. Smith, and E. Meerovitch. 1985. Entamoeba histolytica: electrophoretic isoenzyme patterns of strains and their virulence in the cecum of gerbils (Meriones unguiculatus). Am. J. Trop. Med. Hyg. 34:870-878.
29. Clark, C. G. 1995. Axenic cultivation of Entamoeba dispar Brumpt 1925, Entamoeba insolita Geiman and Wichterman 1937 and Entamoeba ranarum Grassi 1879. J. Eukaryot. Microbiol. 42:590-593.
30. Clark, C. G., and L. S. Diamond. 1991. The Laredo strain and other Entamoeba histolytica-like amoebae are Entamoeba moshkovskii. Mol. Biochem. Parasitol. 46:11-18.
31. Clark, C. G., and L. S. Diamond. 1991. Ribosomal RNA genes of 'pathogenic' and 'nonpathogenic' Entamoeba histolytica are distinct. Mol. Biochem. Parasitol. 49:297-302.
32. Clark, C. G., and L. S. Diamond. 1992. Differentiation of pathogenic Entamoeba histolytica from other intestinal protozoa by riboprinting. Arch. Med. Res. 23:15-16.
33. Clark, C. G., and L. S. Diamond. 1993. Entamoeba histolytica: a method for isolate identification. Exp. Parasitol. 77:450-455.
34. Clark, C. G., and L. S. Diamond. 1997. Intraspecific variation and phylogenetic relationships in the genus Entamoeba as revealed by riboprinting. J. Eukaryot. Microbiol. 44:142-154.
35. Clark, C. G., and L. S. Diamond. 2002. Methods for cultivation of luminal parasitic protists of clinical importance. Clin. Microbiol. Rev. 15:329-341.
36. Cruz-Reyes, J. A., W. M. Spice, T. Rehman, E. Gisborne, and J. P. Ackers. 1992. Ribosomal DNA sequences in the differentiation of pathogenic and non-pathogenic isolates of Entamoeba histolytica. Parasitology 104:239-246.
37. Debnath, A., P. Das, M. Sajid, and J. H. McKerrow. 2004. Identification of genomic responses to collagen binding by trophozoites of Entamoeba histolytica. J. Infect. Dis. 190:448-457.
38. De la Vega, H., C. A. Specht, C. E. Semino, P. W. Robbins, D. Eichinger, D. Caplivski, S. Ghosh, and J. Samuelson. 1997. Cloning and expression of chitinases of Entamoebae. Mol. Biochem. Parasitol. 85:139-147.
39. Diamond, L. S. 1961. Axenic cultivation of Entamoeba histolytica. Science 134:336-337.
40. Diamond, L. S. 1968. Improved method for the monoxenic cultivation of Entamoeba histolytica Schaudinn, 1903 and E. histolytica-like amebae with trypanosomatids. J. Parasitol. 54:715-719.
41. Diamond, L. S. 1982. A new liquid medium for xenic cultivation of Entamoeba histolytica and other lumen dwelling protozoa. J. Parasitol. 68:958-959.
42. Diamond, L. S., and I. L. Bartgis. 1970. Entamoeba moshkovskii: axenic cultivation. Exp. Parasitol. 28:171-175.
43. Diamond, L. S., and C. G. Clark. 1993. A redescription of Entamoeba histolytica Schaudinn, 1903 (Emended Walker, 1911) separating it from Entamoeba dispar Brumpt, 1925. J. Eukaryot. Microbiol. 40:340-344.
44. Diamond, L. S., C. G. Clark, and C. C. Cunnick. 1995. YI-S, a casein-free medium for axenic cultivation of Entamoeba histolytica, related Entamoeba, Giardia intestinalis and Trichomonas vaginalis. J. Eukaryot. Microbiol. 42: 277-278.
45. Diamond, L. S., D. R. Harlow, and C. C. Cunnick. 1978. A new medium for the axenic cultivation of Entamoeba histolytica and other Entamoeba. Trans. R. Soc. Trop. Med. Hyg. 72:431-432.
46. Dreyer, D. A. 1961. Growth of a strain of Entamoeba histolytica at room temperature. Texas Rep. Biol. Med. 19:393-396.
47. Edman, U., M. A. Meraz, S. Rausser, N. Agabian, and I. Meza. 1990. Characterization of an immuno-dominant variable surface antigen from pathogenic and nonpathogenic Entamoeba histolytica. J. Exp. Med. 172: 879-888.
48. Espinosa-Cantellano, M., G. Castañon Gutierrez, and A. Martinez-Palomo. 1997. In vivo pathogenesis of Entamoeba dispar. Arch. Med. Res. 28:S204-S206.
49. Espinosa-Cantellano, M., A. González-Robles, B. Chávez, G. Castañon, C. Argüello, A. Lázaro-Haller, and A. Martínez-Palomo. 1998. Entamoeba dispar: ultrastructure, surface properties, and cytopathic effect. J. Eukaryot. Microbiol. 45:265-272.
50. Evangelopoulos, A., G. Spanakos, E. Patsoula, N. Vakalis, and N. A. Legakis. 2000. A nested, multiplex, PCR assay for the simultaneous detection and differentiation of Entamoeba histolytica and Entamoeba dispar in faeces. Ann. Trop. Med. Parasitol. 94:233-240.
51. Evangelopoulos, A., N. Legakis, and N. Vakalis. 2001. Microscopy, PCR and ELISA applied to the epidemiology of amoebiasis in Greece. Parasitol. Int. 50:185-189.
52. Fotedar, R., D. Stark, N. Beebe, D. Marriott, J. Ellis, and J. Harkness. 2007. PCR detection of Entamoeba histolytica. Entamoeba dispar, and Entamoeba moshkovskii in stool samples from Sydney, Australia. J. Clin. Microbiol. 45:1035-1037.
53. Freedman, L., S. E. Maddison, and R. Elsdon-Dew. 1958. Monoxenic culture of Entamoeba histolytica derived from human liver abscesses. S. Afr. J. Med. Sci. 23:9-12.
54. Freitas, M. A., E. N. Vianna, A. S. Martins, E. F. Silva, J. L. Pesquero, and M. A. Gomes. 2004. A single step duplex PCR to distinguish Entamoeba histolytica from Entamoeba dispar. Parasitology 128:625-628.
55. Furrows, S. J., A. H. Moody, and P. L. Chiodini. 2004. Comparison of PCR and antigen detection methods for diagnosis of Entamoeba histolytica infection. J. Clin. Pathol. 57:264-266.
56. Garcia, L. S., D. A. Bruckner, T. C. Brewer, and R. Y. Shimizu. 1982. Comparison of indirect fluorescent-antibody amoebic serology with counterimmunoelectrophoresis and indirect hemagglutination amoebic serologies. J. Clin. Microbiol. 5:603-605.
57. Garcia, L. S., and D. A. Bruckner. 1997. Diagnostic medical parasitology. ASM Press, Washington, DC.
58. Garcia, L. S., R. Y. Shimizu, and C. N. Bernard. 2000. Detection of Giardia lamblia, Entamoeba histolytica/Entamoeba dispar, and Cryptosporidium parvum antigens in human fecal specimens using the Triage parasite panel enzyme immunoassay. J. Clin. Microbiol. 38:3337-3340.
59. Garfinkel, L. I., M. Giladi, M. Huber, C. Gitler, D. Mirelman, M. Revel, and S. Rozenblatt. 1989. DNA probes specific for Entamoeba histolytica possessing pathogenic and nonpathogenic zymodemes. Infect. Immun. 57: 926-931.
60. Gathiram, V., and T. F. Jackson. 1987. A longitudinal study of asymptomatic carriers of pathogenic zymodemes of Entamoeba histolytica. S. Afr. Med. J. 72:669-672.
61. Gatti, S., G. Swierczynski, F. Robinson, M. Anselmi, J. Corrales, J. Moreira, G. Montalvo, A. Bruno, R. Maserati, Z. Bisoffi, and M. Scaglia. 2002. Amebic infections due to the Entamoeba histolytica-Entamoeba dispar complex: a study of the incidence in a remote rural area of Ecuador. Am. J. Trop. Med. Hyg. 67:123-127.
62. Ghosh, S., M. Frisardi, L. Ramirez-Avila, S. Descoteaux, K. Sturm-Ramirez, O. A. Newton-Sanchez, J. I. Santos-Preciado, C. Ganguly, A. Lohia, S. Reed, and J. Samuelson. 2000. Molecular epidemiology of Entamoeba spp.: evidence of a bottleneck (demographic sweep) and transcontinental spread of diploid parasites J. Clin. Microbiol. 38:3815-3821.
63. Gomes, M. A., J. B. Pesquero, C. Furst, P. R. Valle, J. L. Pesquero, and E. F. Silva. 1999. An improved method to distinguish Entamoeba histolytica and Entamoeba dispar. Parasitology 119:359-362.
64. Goncalves, M. L., V. L. da Silva, C. M. de Andrade, K. Reinhard, G. C. da Rocha, M. Le Bailly, F. Bouchet, L. F. Ferreira, and A. Araujo. 2004. Amoebiasis distribution in the past: first steps using an immunoassay technique. Trans. R. Soc. Trop. Med. Hyg. 98:88-91.
65. Gonin, P., and L. Trudel. 2003. Detection and differentiation of Entamoeba histolytica and Entamoeba dispar isolates in clinical samples by PCR and enzyme-linked immunosorbent assay. J. Clin. Microbiol. 41:237-241.
66. Gonzalez, C. R., A. Isibasi, V. Ortiz-Navarrete, J. Paniagua, J. A. Garcia, A. Ramirez, B. Salvatierra, R. Tapia, J. Sepulveda, G. Gutierrez, et al. 1995. Prevalence of antibodies against Entamoeba histolytica in Mexico measured by ELISA. Epidemiol. Infect. 115:535-543.
67. Gonzalez-Ruiz, A., R. Haque, A. Aguire, G. Castanon, A. Hall, F. Guhl, G. Ruiz-Palacios, M. A. Miles, and D. C. Warhurst. 1994. Value of microscopy in the diagnosis of dysentery associated with invasive Entamoeba histolytica. J. Clin. Pathol. 47:236-239.
68. Grundy, M. S. 1982. Preliminary observations using a multi-layer ELISA method for the detection of Entamoeba histolytica trophozoite antigens in stool samples. Trans. R. Soc. Trop. Med. Hyg. 76:396-400.
69. Haghighi, A., S. Kobayashi, T. Takeuchi, G. Masuda, and T. Nozaki. 2002. Remarkable genetic polymorphism among Entamoeba histolytica isolates from a limited geographic area. J. Clin. Microbiol. 40:4081-4090.
70. Haghighi, A., S. Kobayashi, T. Takeuchi, N. Thammapalerd, and T. Nozaki. 2003. Geographic diversity among genotypes of Entamoeba histolytica field isolates, J. Clin. Microbiol. 41:3748-3756.
71. Hamzah, Z., S. Petmitr, M. Mungthin, S. Leelayoova, and P. Chavalitshewinkoon-Petmitr. 2006 Differential detection of Entamoeba histolytica, Entamoeba dispar, and Entamoeba moshkovskii by a single-round PCR assay. J. Clin. Microbiol. 44:3196-3200.
72. Haque, R., I. K. Ali, S. Akther, and W. A. Petri, Jr. 1998. Comparison of PCR, isoenzyme analysis, and antigen detection for diagnosis of Entamoeba histolytica infection. J. Clin. Microbiol. 36:449-452.
73. Haque, R., I. K. M Ali, C. G. Clark, and W. A. Petri, Jr. 1998. A case report of Entamoeba moshkovskii infection in a Bangladeshi child. Parasitol. Int. 47:201-202.
74. Haque, R., I. K. M. Ali, and W. A. Petri, Jr. 1999. Prevalence and immune response to Entamoeba histolytica infection in preschool children in Bangladesh. Am. J. Trop. Med. Hyg. 60:1031-1034.
75. Haque, R., I. M. Ali, R. B. Sack, B. M. Farr, G. Ramakrishnan, and W. A. Petri, Jr. 2001. Amebiasis and mucosal IgA antibody against the Entamoeba histolytica adherence lectin in Bangladeshi children. J. Infect. Dis. 183: 1787-1793.
76. Haque, R., A. S. G. Faruque, P. Hahn, D. Lyerly, and W. A. Petri, Jr. 1997. Entamoeba histolytica and Entamoeba dispar infection in children in Bangladesh. J. Infect. Dis. 175:734-736.
77. Haque, R., C. D. Huston, M. Hughes, E. Houpt, and W. A. Petri, Jr. 2003. Current concepts: amebiasis. N. Engl. J. Med. 348:1565-1573.
78. Haque, R., K. Kress, S. Wood, T. F. G. H. Jackson, D. Lyerly, T. Wilkins, and W. A. Petri, Jr. 1993. Diagnosis of pathogenic Entamoeba histolytica infection using a stool ELISA based on monoclonal antibodies to the galactose specific adhesin. J. Infect. Dis. 167:247-249.
79. Haque, R., N. U. Mollah, I. K. M. Ali, K. Alam, A. Eubank, D. Luerly, and W. A. Petri, Jr. 2000. Diagnosis of amebic liver abscess and intestinal infection with the TechLab Entamoeba histolytica II antigen detection and antibody tests. J. Clin. Microbiol. 38:3235-3239.
80. Haque, R., L. M. Neville, P. Hahn, and W. A. Petri, Jr. 1995. Rapid diagnosis of Entamoeba infection by using Entamoeba and Entamoeba histolytica stool antigen detection kits. J. Clin. Microbiol. 33:2558-2561.
81. Haque, R., and W. A. Petri, Jr. 2006. Diagnosis of amebiasis in Bangladesh. Arch. Med. Res. 37:273-276.
82. Heckendorn, F., E. K. N'Goran, I. Felgar, P. Vounatsou, A. Yapi, A. Oettli, H. P. Marti, M. Dobler, M. Traore, K. L. Lohourignon, and C. Lengeler. 2002. Species-specific field-testing of Entamoeba spp. in an area of high endemicity. Trans. R. Soc. Trop. Med. Hyg. 96:521-528.
83. Higgins, J. A., R. Fayer, J. M. Trout, L. Xiao, A. A. Lai, S. Kerby, and M. C. Jenkins. 2001. Real-time PCR for the detection of Cryptosporidium parvum. J. Microbiol. Methods 47:323-337.
84. Hira, P. R., J. Iqbal, F. Al-Ali, R. Philip, S. Grover, E. D'Almeida, and A. A. Al-Eneizi. 2001. Invasive amebiasis: challenges in diagnosis in a non-endemic country (Kuwait). Am. J. Trop. Med. Hyg. 65:341-345.
85. Holland, J. L., L. Louie, A. E Simor, and M. Louie. 2000. PCR detection of Escherichia coli 5O157:H7 directly from stools: evaluation of commercial extraction methods for purifying fecal DNA. J. Clin. Microbiol. 38:4108-4113.
86. Hooshyar, H., M. Rezaian, B. Kazemi, M. Jeddi-Tehrani, and S. Solaymani-Mohammadi. 2004. The distribution of Entamoeba histolytica and Entamoeba dispar in northern, central, and southern Iran. Trans. Parasitol. Res. 94:96-100.
87. Hougardy, N., A. Louahabi, and P. Goffinet. 2006. Direct and fast detection of methicillin resistant Staphylococcus aureus carriage by automated nucleic acid extraction and real time PCR. Pathol. Biol. 54:461-477.
88. Hung, C. C., P. J. Chen, S. M. Hsieh, J. M. Wong, C. T. Fang, S. C. Chang, and M. Y. Chen. 1999. Invasive amoebiasis: an emerging parasitic disease in patients infected with HIV in an area endemic for amoebic infection AIDS. 13:2421-2428.
89. Hung, C. C., H. Y. Deng, W. H. Hsiao, S. M. Hsieh, C. F. Hsiao, M. Y. Chen, S. C. Chang, and K. E. Su. 2005. Invasive amebiasis as an emerging parasitic disease in patients with human immunodeficiency virus type 1 infection in Taiwan. Arch. Intern. Med. 165:409-415.
90. Huston, C. D., R. Haque, and W. A. Petri, Jr. 1999. Molecular-based diagnosis of Entamoeba histolytica infection. Expert Rev. Mol. Med. 22:1-11.
91. Huston, C. D., and W. A. Petri, Jr. 1999. Amebiasis: clinical implications of the recognition of Entamoeba dispar. Curr. Infect. Dis. Rep. 1:441-447.
92. Jackson, T. F., C. B. Anderson, and A. E. Simjee. 1984. Serological differentiation between past and present infection in hepatic amoebiasis. Trans. R. Soc. Trop. Med. Hyg. 78:342-345.
93. Jackson, T. F., V. Gathiram, and A. E. Simjee. 1985. Seroepidemiological study of antibody responses to the zymodemes of Entamoeba histolytica. Lancet i:716-719.
94. Jackson, T. F., and S. Suparsad. 1997. Zymodeme stability of Entamoeba histolytica and E. dispar. Arch. Med. Res. 28:304-305.
95. Jetter, A., B. Walderich, D. Britten, O. Mete, V. Goral, G. D. Burchard, and J. Ackers. 1997. An epidemiological study of Entamoeba histolytica and E. dispar infection in eastern Turkey using a colorimetric polymerase chain reaction. Arch. Med. Res. 28(Suppl):319- 321.
96. Jones, W. R. 1946. The experimental infection of rats with Entamoeba histolytica; with a method for evaluating the anti-amoebic properties of new compounds. Ann. Trop. Med. Parasitol. 40:130-140.
97. Katzwinkel-Wladarsch, S., T. Loscher, and H. Kinder. 1994. Direct amplification and differentiation of pathogenic and non-pathogenic Entamoeba histolytica DNA from stool specimens, Am. J. Trop. Med. Hyg. 51:115-118.
98. Kebede, A., J. J. Verweij, T. Endeshaw, T. Messele, G. Tasew, B. Petros, and A. M. Polderman. 2004. The use of real-time PCR to identify Entamoeba histolytica and E. dispar infections in prisoners and primary-school children in Ethiopia. Ann. Trop. Med. Parasitol. 98:43-48.
99. Klein, D. 2002. Quantification using real-time PCR technology: applications and limitations. Trends Mol. Med. 8:257-260.
100. Knappik, M., U. Borner, and T. Jelinek. 2005. Sensitivity and specificity of a new commercial enzyme-linked immunoassay kit for detecting Ent-amoeba histolytica IgG antibodies in serum samples. Eur. J. Clin. Microbiol. Infect. Dis. 24:701-703.
101. Knepp, J. H., M. A. Geahr, M. S. Forman, and A. Valsamakis. 2003. Comparison of automated and manual nucleic acid extraction methods for detection of enterovirus RNA. J. Clin. Microbiol. 41:3532-3536.
102. Knobloch, J., and E. Mannweiler. 1983. Development and persistence of antibodies to Entamoeba histolytica in patients with amebic liver abscess. Analysis of 216 cases Am. J. Trop. Med. Hyg. 32:727-732.
103. Kobayashi, S., E. Imai, H. Tachibana, T. Fujiwara, and T. Takeuchi. 1998. Entamoeba dispar: cultivation with sterilized Crithidia fasciculata. J. Eukaryot. Microbiol. 45:3S-8S.
104. Krogstad, D. J., H. C. Spencer, Jr., G. R. Healy, N. N. Gleason, D. J. Sexton, and C. A. Herron. 1978. Amebiasis: epidemiologic studies in the United States, 1971-1974. Ann. Intern. Med. 88:89-97.
105. Lebbad, M., and S. G. Svard. 2005. PCR differentiation of Entamoeba histolytica and Entamoeba dispar from patients with amoeba infection initially diagnosed by microscopy. Scand. J. Infect. Dis. 37:680-685.
106. Leiva, B., M. Lebbad, J. Winiecka-Krusnell, I. Altamirano, A. Tellez, and E. Linder. 2006. Overdiagnosis of Entamoeba histolytica and Entamoeba dispar in Nicaragua: a microscopic, Triage parasite panel and PCR study Arch. Med. Res. 37:529-534.
107. Li, E., and S. L. Stanley, Jr. 1996. Protozoa. Amebiasis. Gastroenterol. Clin. N. Am. 25:471-492.
108. Lysy, J., J. Zimmerman, Y. Sherman, R. Feigin, and M. Ligumsky. 1991. Crohn's colitis complicated by superimposed invasive amebic colitis. Am. J. Gastroenterol. 86:1063-1065.
109. MacFarlane, R. C., and U. Singh. 2006. Identification of differentially expressed genes in virulent and nonvirulent Entamoeba species: potential implications for amebic pathogenesis. Infect. Immun. 74:340-351.
110. Martinez-Palomo, A., and M. Martinez-Baez. 1983. Selective primary health care: strategies for control of disease in the developing world. X. Amebiasis. Rev. Infect. Dis. 5:1093-1102.
111. McMillan, A., H. M. Gilmour, G. McNeillage, and G. R. Scott. 1984. Amoebiasis in homosexual men. Gut 25:356-360.
112. Mhlanga, B. R., L. O. Lanoie, H. J. Norris, E. E. Lack, and D. H. Connor. 1992. Amebiasis complicating carcinomas - a diagnostic dilemma. Am. J. Trop. Med. Hyg. 46:759-764.
113. Mirelman, D., Y. Nuchamowitz, and T. Stolarsky. 1997. Comparison of use of enzyme-linked immunosorbent assay-based kits and PCR amplification of rRNA genes for simultaneous detection of Entamoeba histolytica and E. dispar. J. Clin. Microbiol. 35:2405-2407.
114. Mondal, D., W. A. Petri, Jr., R. B. Sack, B. D. Kirkpatrick, and R. Haque. 2006. Entamoeba histolytica-associated diarrheal illness is negatively associated with the growth of preschool children: evidence from a prospective study. Trans. R. Soc. Trop. Med. Hyg. 100:1032-1038.
115. Monteiro, L., D. Bonnemaison, A. Vekris, K. G. Petry, J. Bonnet, R. Vidal, J. Cabrita, and F. Megraud. 1997. Complex polysaccharides as PCR inhibitors in feces: Helicobacter pylori model. J. Clin. Microbiol. 35:995-998.
116. Moran, P., F. Ramos, M. Ramiro, O. Curiel, E. Gonzalez, A. Valadez, A. Gomez, G. Garcia, E. I. Melendro, and C. Ximenez. 2005. Entamoeba histolytica and/or Entamoeba dispar: infection frequency in HIV+/AIDS patients in Mexico City. Exp. Parasitol. 110:331-334.
117. Moran, P., F. Ramos, M. Ramiro, O. Curiel, E. Gonzalez, A. Valadez, A. Gomez, G. Garcia, E. I. Melendro, and C. Ximenez. 2005. Infection by human immunodeficiency virus-1 is not a risk factor for amebiasis. Am. J. Trop. Med. Hyg. 73:296-300.
118. Myjak, P., J. Kur, and H. Pietkiewicz. 1997. Usefulness of new DNA extraction procedure for PCR technique in species identification of Entamoeba isolates. Wiad. Parazytol. 43:163-170.
119. Myjak, P., J. Kur, H. Pietkiewicz, A. Kotlowski, W. Nahorski, and B. Szostakowska. 2000. Molecular differentiation of Entamoeba histolytica and Entamoeba dispar from stool and culture samples obtained from polish citizens infected in tropica and in Poland. Acta Protozool. 39:217-224.
120. National Committee for Clinical Laboratory Standards. 1997. Procedures for the recovery and identification of parasites from the intestinal tract. Approved guideline M28-A. National Committee for Clinical Laboratory Standards, Wayne, PA.
121. Newton-Sanchez, O. A., K. Sturm-Ramirez, J. L. Romero-Zamora, J. I. Santos-Preciado, and J. Samuelson. 1997. High rate of occult infection with Entamoeba histolytica among non-dysenteric Mexican children. Arch. Med. Res. 28:311-313.
122. Nozaki, T., S. R. Motta, T. Takeuchi, S. Kobayashi, and P. G. Sargeaunt. 1989. Pathogenic zymodemes of Entamoeba histolytica in Japanese male homosexual population. Trans. R. Soc. Trop. Med. Hyg. 83:525.
123. Nunez, Y. O., M. A. Fernandez, D. Torres-Nunez, J. A. Silva, I. Montano, J. L. Maestre, and L. Fonte. 2001. Multiplex polymerase chain reaction amplification and differentiation of Entamoeba histolytica and Entamoeba dispar DNA from stool samples. Am. J. Trop. Med. Hyg. 64:293-297.
124. Oh, M. D., K. Lee, E. Kim, S. Lee, N. Kim, H. Choi, M. H. Choi, J. Y. Chai, and K. Choe. 2000. Amoebic liver abscess in HIV-infected patients. AIDS 18:1872-1873.
125. Ohnishi, K., Y. Kato, A. Imamura, M. Fukayama, T. Tsunoda, Y. Sakaue, M. Sakamoto, and H. Sagara. 2004. Present characteristics of symptomatic Entamoeba histolytica infection in the big cities of Japan. Epidemiol. Infect. 132:57-60.
126. Ohnishi, K., M. Murata, and E. Okuzawa. 1994. Symptomatic amebic colitis in a Japanese homosexual AIDS patient. Intern. Med. 33:120-122.
127. Ohnishi, K., and M. Murata. 1997. Present characteristics of symptomatic amebiasis due to Entamoeba histolytica in the east-southeast area of Tokyo. Epidemiol. Infect. 119:363-367.
128. Ong, S. J., M. Y. Cheng, K. H. Liu, and C. B. Horng. 1996. Use of the ProSpecT microplate enzyme immunoassay for the detection of pathogenic and non-pathogenic Entamoeba histolytica in faecal specimens. Trans. R. Soc. Trop. Med. Hyg. 90:248-249.
129. Paglia, M. G., and P. Visca. 2004. An improved PCR-based method for detection and differentiation of Entamoeba histolytica and Entamoeba dispar in formalin-fixed stools. Acta Trop. 92:273-277.
130. Parija, S. C., and K. Khairnar. 2005. Entamoeba moshkovskii and Entamoeba dispar-associated infections in Pondicherry, India. J. Health Pop. Nutr. 23:292-295.
131. Patterson, M., and L. E. Schoppe. 1982. The presentation of amoebiasis. Med. Clin. N. Am. 66:689-705.
132. Petri, W.A., Jr., and U. Singh. 1999. Diagnosis and management of amebiasis Clin. Infect. Dis. 29:1117-1125.
133. Pillai, D. R., and K. C. Kain. 1999. Immunochromatographic strip-based detection of Entamoeba histolytica-E. dispar and Giardia lamblia coproantigen. J. Clin. Microbiol. 37:3017-3019.
134. Pillai, D. R., J. S. Keystone, D. C. Sheppard, J. D. MacLean, D. W. MacPherson, and K. C. Kain. 1999. Entamoeba histolytica and Entamoeba dispar: epidemiology and comparison of diagnostic methods in a setting of non endemicity. Clin. Infect. Dis. 29:1315-1318.
135. Pinheiro, S. M., R. M. Carneiro, I. S. Aca, J. I. Irmao, M. A. Morais, Jr., M. R. Coimbra, and L. B. Carvalho, Jr. 2004. Determination of the prevalence of Entamoeba histolytica and E. dispar in the Pernambuco state of northeastern Brazil by a polymerase chain reaction. Am. J. Trop. Med. Hyg. 70:221-224.
136. Pinheiro, S. M., R. F. Maciel, M. A. Morais, Jr., I. S. Aca, L. B. Carvalho, Jr., and M. R. Coimbra. 2005. Genetic characterization of Entamoeba dispar isolates in Northeast Brazil. Acta Trop. 94:35-40.
137. Proctor, E. M. 1991. Laboratory diagnosis of amebiasis. Clin. Lab. Med. 11:829-859.
138. Que, X., and S. L. Reed. 1991. Nucleotide sequence of a small subunit ribosomal RNA (16S-like rRNA) gene from Entamoeba histolytica: differentiation of pathogenic from non-pathogenic isolates. Nucleic Acids Res. 11:5438.
139. Qvarnstrom, Y., C. James, M. Xayavong, B. P Holloway, G. S. Visvesvara, R. Sriram, and A. J. Da Silva. 2005. Comparison of real-time PCR protocols for differential laboratory diagnosis of amebiasis. J. Clin. Microbiol. 43:5491-5497.
140. Ramos, F., G. Garcia, A. Valadez, P. Moran, E. Gonzalez, A. Gomez, E. I. Melendro, O. Valenzuela, and C. Ximenez. 2005. E. dispar strain: analysis of polymorphism as a tool for study of geographic distribution. Mol. Biochem. Parasitol. 141:175-177.
141. Ramos, F., P. Moran, E. Gonzalez, G. Garcia, M. Ramiro, A. Gomez, C. de Leon Mdel, E. I. Melendro, A. Valadez, and C. Ximenez. 2005. Entamoeba histolytica and Entamoeba dispar: prevalence infection in a rural Mexican community. Exp. Parasitol. 110:327-330.
142. Ramos, F., E. Valdez, P. Moran, E. Gonzalez, G. Padilla, A. Gomez, M. Ramiro, E. I. Melendro, O. Munoz, C. G. Clark, and C. Ximenez. 2000. Prevalence of Entamoeba histolytica and Entamoeba dispar in a highly endemic rural population. Arch. Med. Res. 31(Suppl):34-35.
143. Ramos, F., R. Zurabian, P. Moran, M. Ramiro, A. Gomez, C. G. Clark, E. I. Melendro, G. Garcia, and C. Ximenez. 1999. The effect of formalin fixation on the polymerase chain reaction characterization of Entamoeba histolytica. Trans. R. Soc. Trop. Med. Hyg. 93:335-336.
144. Randall, G. R., R. S. Goldsmith, J. Shek, S. Mehalko, and D. Heyneman. 1984. Use of the enzyme-linked immunosorbent assay (ELISA) for detection of Entamoeba histolytica antigen in faecal samples. Trans. R. Soc. Trop. Med. Hyg. 78:593-595.
145. Ravdin, J. I., T. F. Jackson, W. A. Petri, Jr., C. F. Murphy, B. L. Ungar, V. Gathiram, J. Skilogiannis, and A. E. Simjee. 1990. Association of serum antibodies to adherence lectin with invasive amebiasis and asymptomatic infection with pathogenic Entamoeba histolytica. J. Infect. Dis. 162:768-772.
146. Rivera, W. L., S. R. Santos, and H. Kanbara. 2006. Prevalence and genetic diversity of Entamoeba histolytica in an institution for the mentally retarded in the Philippines. Parasitol. Res. 98:106-110.
147. Rivera, W. L., H. Tachibana, and H. Kanbara. 1998. Field study on the distribution of Entamoeba histolytica and Entamoeba dispar in the northern Philippines as detected by the polymerase chain reaction. Am. J. Trop. Med. Hyg. 59:916-921.
148. Rivera, W. L., H. Tachibana, M. R. Silva-Tahat, H. Uemura, and H. Kanbara. 1996. Differentiation of Entamoeba histolytica and E. dispar DNA from cysts present in stool specimens by polymerase chain reaction: its field application in the Philippines. Parasitol. Res. 82:585-589.
149. Robert, R., C. Mahaza, C. Bernard, C. Buffard, and J. M. Senet. 1990. Evaluation of a new bicolored latex agglutination test for immunological diagnosis of hepatic amoebiasis. J. Clin. Microbiol. 28:1422-1424.
150. Robinson, G. L. 1968. The laboratory diagnosis of human parasitic amoebae. Trans. R. Soc. Trop. Med. Hyg. 62:285-294.
151. Romero, J. L., S. Descoteaux, S. Reed, E. Orozco, J. Santos, and J. Samuelson. 1992. Use of polymerase chain reaction and nonradioactive DNA probes to diagnose Entamoeba histolytica in clinical samples. Arch. Med. Res. 23:277-279.
152. Rosenblatt, J. E., L. M. Sloan, and J. E Bestrom. 1995. Evaluation of an enzyme-linked immunoassay for the detection in serum of antibodies to Entamoeba histolytica. Diagn. Microbiol. Infect. Dis. 22:275-278.
153. Roy, S., M. Kabir, D. Mondal, I. K. Ali, W. A. Petri, Jr., and R. Haque. 2005. Real-time-PCR assay for diagnosis of Entamoeba histolytica infection. Clin. Microbiol. 43:2168-2172.
154. Rustgi, A. K., and J. M. Richter. 1989. Pyogenic and amebic liver abscess. Med. Clin. N. Am. 73:847-858.
155. Saklatvala, T. 1993. Milestones in parasitology. Parasitol. Today 9:347-348.
156. Sanchez-Giillen, M. C., M. Velazquez-Rojas, H Salgado-Rosas, E. Torres-Rasgado, R. Perez Fuentes, J. Martinez-Munguia, and P. Talamas-Rohana. 2000. Seroprevalence of anti-Entamoeba histolytica antibodies by IHA and ELISA assay in blood donors from Puebla, Mexico. Arch. Med. Res. 31:S53-S54.
157. Sanuki, J., T. Asai, E. Okuzawa, S. Kobayashi, and T. Takeuchi. 1997. Identification of Entamoeba histolytica and E. dispar cysts in stool by polymerase chain reaction. Parasitol. Res. 83:96-98.
158. Sargeaunt, P. G., J. E. Williams, and J. D. Grene. 1978. The differentiation of invasive and non-invasive Entamoeba histolytica by isoenzyme electrophoresis Trans. R. Soc. Trop. Med. Hyg. 72:519-521.
159. Sargeaunt, P. G., T. F. Jackson, S. Wiffen, R. Bhojnani, J. E. Williams, D. Felmingham, D. Goldmeir, E. Allason-Jones, A. Mindel, and E. Phillips. 1987. The reliability of Entamoeba histolytica zymodemes in clinical laboratory diagnosis. Arch. Investig. Med. 18:69-75.
160. Scaglia, M., S. Gatti, M. Strosselli, V. Grazioli, and M. R. Villa. 1983. Entamoeba moshkovskii (Tshalaia, 1941): morpho-biological characterization of new strains isolated from the environment, and a review of the literature. Ann. Parasitol. Hum. Comp. 58:413-422.
161. Schuurman, T., A. van Breda, R. de Boer, M. Kooistra-Smid, M. Beld, P. Savelkoul, and R. Boom. 2005. Reduced PCR sensitivity due to impaired DNA recovery with the MagNA Pure LC total nucleic acid isolation kit. J. Clin. Microbiol. 43:4616-4622.
162. Sehgal, D., V. Mittal, S. Ramachandran, S. K. Dhar, A. Bhattacharya,
163. Sehgal, R., M. Abd-Alla, A. H. Moody, P. L. Chiodini, and J. P. Ackers. 1995. Comparison of two media for the isolation and short-term culture of Entamoeba histolytica and E. dispar. Trans. R. Soc. Trop. Med. Hyg. 89:394.
164. Shah, P. H., R. C. MacFarlane, D. Bhattacharya, J. C. Matese, J. Demeter, S. E. Stroup, and U. Singh. 2005. Comparative genomic hybridizations of Entamoeba strains reveal unique genetic fingerprints that correlate with virulence. Eukaryot. Cell 4:504-515.
165. Shamsuzzaman, S. M., R. Haque, S. K. Hasin, and Y. Hashiguchi. 2000. Evaluation of indirect fluorescent antibody test and enzyme-linked immunosorbent assay for diagnosis of hepatic amebiasis in Bangladesh. J. Parasitol. 86:611-615.
166. Shandera, W. X., P. Bollam, R. H. Hashmey, Jr., P. A. Athey, S. B. Greenberg, and A. C. White, Jr. 1998. Hepatic amebiasis among patients in a public teaching hospital South Med. J. 91:829-837.
167. Sharp, S. E., C. A. Suarez, Y. Duran, and R. J. Poppiti. 2001. Evaluation of the Triage Micro Parasite Panel for detection of Giardia lamblia, Entamoeba histolytica/Entamoeba dispar, and Cryptosporidium parvum in patient stool specimens. J. Clin. Microbiol. 39:332-334.
168. Sheehan, D. J., E. J. Bottone, K. Pavletich, and M. C. Heath. 1979. Entamoeba histolytica: efficacy of microscopic, cultural, and serological techniques for laboratory diagnosis. J. Clin. Microbiol. 10:128-133.
169. Shenai, B. R., B. L. Komalam, A. S. Arvind, P. R. Krishnaswamy, and P. V. Rao. 1996. Recombinant antigen-based avidin-biotin microtiter enzyme-linked imunosorbent assay for serodiagnosis of invasive amebiasis. J. Clin. Microbiol. 34:828-833.
170. Simonishvili S., S. Tsanava, K. Sanadze, R. Chlikadze, A. Miskalishvili, N. Lomkatsi, P. Imnadze, W. A. Petri, Jr., and N. Trapaidze. 2005. Entamoeba histolytica: the serine-rich gene polymorphism-based genetic variability of clinical isolates from Georgia. Exp. Parasitol. 110:313-317.
171. Solaymani-Mohammadi, S., M. Rezaian, Z. Babaei, A. Rajabpour, A. R. Meamar, A. A. Pourbabai, and W. A. Petri, Jr. 2006. Comparison of a stool antigen detection kit and PCR for diagnosis of Entamoeba histolytica and Entamoeba dispar infections in asymptomatic cyst passers in Iran. J. Clin. Microbiol. 44:2258-2261.
172. Solaymani-Mohammadi, S., M. M. Lam, J. R. Zunt, and W. A. Petri, Jr. 2007. Entamoeba histolytica encephalitis diagnosed by PCR of cerebrospinal fluid. Trans. R. Soc. Trop. Med. Hyg. 101:311-313.
173. Stanley, S. L., Jr. 2003. Amoebiasis. Lancet. 361:1025- 1034.
174. Stanley, S. L., Jr., A. Becker, C. Kunz-Jenkins, L. Foster, and E. Li. 1990. Cloning and expression of a membrane antigen of Entamoeba histolytica possessing multiple tandem repeats. Proc. Natl. Acad. Sci. USA 87:4976-4980.
175. Stark, D., R. Fotedar, J. T. Ellis, and J. L. Harkness. 2006. Locally acquired infection with Entamoeba histolytica in men who have sex with men in Australia. Med. J. Aust. 185:417.
176. Stark, D., R. Fotedar, S. van Hal, B. Nigel, M. Deborah, J. Ellis, and J. L. Harkness. 2007. Prevalence of enteric protozoa in HIV-positive and HIV-negative men who have sex with men from Sydney. Am. J. Trop. Med. Hyg. 76:549-552.
177. Stauffer, W., and J. I. Ravdin. 2003. Entamoeba histolytica: an update. Curr. Opin. Infect. 16:479-485.
178. Strachan, W. D., P. L. Chiodini, W. M. Spice, A. H. Moody, and J. P. Ackers. 1988. Immunological differentiation of pathogenic and nonpathogenic isolates of E. histolytica. Lancet i:561-563.
179. Tachibana, H., X. J. Cheng, S. Kobayashi, N. Matsubayashi, S. Gotoh, and K. Matsubayashi. 2001. High prevalence of infection with Entamoeba dispar, but not E. histolytica, in captive macaques. Parasitol. Res. 87:14-17.
180. Tachibana, H., S. Ihara, S. Kobayashi, Y. Kaneda, T. Takeuchi, and Y. Watanabe. 1991. Differences in genomic DNA sequences between pathogenic and nonpathogenic isolates of Entamoeba histolytica identified by polymerase chain reaction. J. Clin. Microbiol. 29:2234-2239.
181. Tachibana, H., S. Kobayashi, K. Nagakura, Y. Kaneda, and T. Takeuchi. 2000. Asymptomatic cyst passers of Entamoeba histolytica but not Entamoeba dispar in institutions for the mentally retarded in Japan. Parasitol. Int. 49:31-35.
182. Tachibana, H., S. Kobayashi, E. Okuzawa, and G. Masuda. 1992. Detection of pathogenic Entamoeba histolytica DNA in liver abscess fluid by polymerase chain reaction. Int. J. Parasitol. 22:1193-1196.
183. Tachibana, H., S. Kobayashi, M. Takekoshi, and S. Ihara. 1991. Distinguishing pathogenic isolates of Entamoeba histolytica by polymerase chain reaction. J. Infect. Dis. 164:825-826.
184. Takahashi, T., A. Gamboa-Dominguez, T. J. Gomez-Mendex, J. M. Remes, D. Martinez-Gonzalez, J. Gutierrez-Saldivar, J. C. Morales, J. Granados, and J. Sierra-Madero. 1997. Fulminant amebic colitis: analysis of 55 cases. Dis. Colon Rectum 40:1362-1367.
185. Takeuchi, T., E. Okuzawa, T. Nozaki, S. Kobayashi, M. Mizokami, N. Minoshima, M. Yamamoto, and S. Isomura. 1989. High seropositivity of Japanese homosexual men for amebic infection. J. Infect. Dis. 159:808.
186. Takeuchi, T., S. Kobayashi, K. Asami, and N. Yamaguchi. 1987. Correlation of positive syphilis serology with invasive amebiasis in Japan. Am. J. Trop. Med. Hyg. 36:321-324.
187. Tannich, E., and G. D. Burchard. 1991. Differentiation of pathogenic from nonpathogenic Entamoeba histolytica by restriction fragment analysis of a single gene amplified in vitro. J. Clin. Microbiol. 29:250-255.
188. Tanyuksel, M., and W. A. Petri, Jr. 2003. Laboratory diagnosis of amebiasis. Clin. Microbiol. Rev. 16:713-729.
189. Tanyuksel, M., M. Ulukanligil, Z. Guclu, E. Araz, O. Koru, and W. A. Petri, Jr. 2007. Two cases of rarely recognized infection with Entamoeba moshkovskii. Am. J. Trop. Med. Hyg. 76:723-724.
190. Thompson, J. E., Jr., S. Forlenza, and R. Verma. 1985. Amebic liver abscess: a therapeutic approach. Rev. Infect. Dis. 7:171-179.
191. Trissl, D., A. Martinez-Palomo, M. de la Torre, R. de la Hoz, and E. Perez de Suarez. 1978. Surface properties of Entamoeba: increased rates of human erythrocyte phagocytosis in pathogenic strains. J. Exp. Med. 148:1137-1143.
192. Troll, H., H. Marti, and N. Weiss. 1997. Simple differential detection of Entamoeba histolytica and Entamoeba dispar in fresh stool specimens by sodium acetate-acetic acid-formalin concentration and PCR. J. Clin. Microbiol. 35:1701-1705.
193. Tshalaia, L. E. 1941. On a species of Entamoeba detected in sewage effluents. Med. Parazit. (Moscow) 10:244-252.
194. Van Doom, H. R., H. Hofwegen, R. Koelewijn, H. Gilis, R. Peek, J. C. Wetsteyn, P. J. Van Genderen, T. Vervoort, and T. Van Gool. 2005. Use of rapid dipstick and latex agglutination tests and enzyme-linked immunosorbent assay for serodiagnosis of amebic liver abscess, amebic colitis, and Entamoeba histolytica cyst passage. J. Clin. Microbiol. 43:4801-4806.
195. Verweij, J. J., R. A. Blange, K. Templeton, J. Schinkel, E. A. Brienen, M. A. Van Rooyen, L. Van Lieshout, and A. M. Polderman. 2004. Simultaneous detection of Entamoeba histolytica, Giardia lamblia, and Cryptosporidium parvum in fecal samples by using multiplex real-time PCR. J. Clin. Microbiol. 42:1220-1223.
196. Verweij, J. J., J. Blotkamp, E. A. Brienen, A. Aguirre, and A. M. Polderman. 2000. Differentiation of Entamoeba histolytica and Entamoeba dispar cysts using polymerase chain reaction on DNA isolated from faeces with spin columns. Eur. J. Clin. Microbiol. Infect. Dis. 19:358-361.
197. Verweij, J. J., D. Laeijendecker, E. A. Brienen, L. Van Lieshout, and A. M. Polderman. 2003. Detection and identification of Entamoeba species in stool samples by a reverse line hybridization assay. J. Clin. Microbiol. 41:5041-5045.
198. Verweij, J. J., F. Oosrvogel, E. A. Brienen, A. Nang-Beifubah, J. Ziem, and A. M. Polderman. 2003. Prevalence of Entamoeba histolytica and Entamoeba dispar in northern Ghana. Trop. Med. Int. Health 8:1153-1156.
199. Verweij, J. J., L. Van Lieshout, C. Blotkamp, E. A. Brienen, S. Van Duivenvoorden, M. Van Esbroeck, and A. M. Polderman. 2000. Differentiation of Entamoeba histolytica and Entamoeba dispar using PCR-SHELA and comparison of antibody response. Arch. Med. Res. 31:44-46.
200. Verweij, J. J., J. Vermeer, E. A. Brienen, C. Blotkamp, D. Laeijendecker, L. Van Lieshout, and A. M. Polderman. 2003. Entamoeba histolytica infections in captive primates. Parasitol. Res. 90:100-103.
201. Visser, L. G., J. J. Verweij, M. Van Esbroeck, W. M. Edeling, J. Clerinx, and A. M. Polderman. 2006 Diagnostic methods for differentiation of Entamoeba histolytica and Entamoeba dispar in carriers: performance and clinical implications in a non-endemic setting. Int. J. Med. Microbiol. 296:397-403.
202. Vohra, H., H. S. Bhatti, N. K. Ganguly, and R. C. Mahajan. 1989. Virulence of pathogenic and non-pathogenic zymodemes of Entamoeba histolytica (Indian strains) in guinea pigs. Trans. R. Soc. Trop. Med. Hyg. 83:648-650.
203. Walsh, J. A. 1986. Problems in recognition and diagnosis of amebiasis: estimation of the global magnitude of morbidity and mortality. Rev. Infect. Dis. 8:228-238.
204. Wang, L. T., G. Jen, and J. H. Cross. 1973. Establishment of Entamoeba histolytica from liver abscess in monoxenic cultures with hemoflagellates. Am. J. Trop. Med. Hyg. 22:30-32.
205. Wang, Z., G. J. Vora, and D. A. Stenger. 2004. Detection and genotyping of Entamoeba histolytica, Entamoeba dispar, Giardia lamblia, and Cryptosporidium parvum by oligonucleotide microarray. J. Clin. Microbiol. 42:3262-3271.
206. Ward L. A., and Y. Wang. 2001. Rapid methods to isolate Cryptosporidium DNA from frozen feces for PCR. Diagn. Microbiol. Infect. Dis. 41:37-42.
207. Weinke, T., B. Friedrich-Janicke, P. Hopp, and K. Janitschke. 1990. Prevalence and clinical importance of Entamoeba histolytica in two high-risk groups: travelers returning from the tropics and male homosexuals. J. Infect. Dis. 161:1029-1031.
208. Wolk, D. M., S. K. Schneider, N. L. Wengenack, L. M. Sloan, and J. E. Rosenblatt. 2002. Real-time PCR method for detection of Encephalitozoon intestinalis from stool specimens. J. Clin. Microbiol. 40:3922-3928.
209. Wonsit, R., N. Thammapalerd, S. Tharavanij, P. Radomyos, and D. Bunnag. 1992. Enzyme-linked immunosorbent assay based on monoclonal and polyclonal antibodies for the detection of Entamoeba histolytica antigens in faecal specimens. Trans. R. Soc. Trop. Med. Hyg. 86:166-169.
210. World Health Organization. 1997. World Health Organization/Pan American Health Organization/UNESCO report of a consultation of experts on amoebiasis. Wkly. Epidemiol. Rec. 72:97-99.
211. Zaki, M., and C. G. Clark. 2001. Isolation and characterization of polymorphic DNA from Entamoeba histolytica. J. Clin. Microbiol. 39:897-905.
212. Zaki, M., P. Meelu, W. Sun, and C. G. Clark. 2002. Simultaneous differentiation and typing of Entamoeba histolytica and Entamoeba dispar. J. Clin. Microbiol. 40:1271-1276.
213. Zaki, M., J. J. Verweij, and C. G. Clark. 2003. Entamoeba histolytica: direct PCR-based typing of strains using faecal DNA. Exp. Parasitol. 104:77-80.
214. Zaman, S., J. Khoo, S. W. Ng, R. Ahmed, M. A Khan, R. Hussain, and V. Zaman. 2000. Direct amplification of Entamoeba histolytica DNA from amoebic liver abscess pus using polymerase chain reaction. Parasitol. Res. 86:724-728.
215. Zengzhu, G., R. Bracha, Y. Nuchamowitz, W. Cheng, and D. Mirelman. 1999. Analysis by enzyme-linked immunosorbent assay and PCR of human liver abscess aspirates from patients in China for Entamoeba histolytica. J. Clin. Microbiol. 37:3034-3036.
216. Zindrou, S., E. Orozco, E. Linder, A. Tellez, and A. Bjorkman. 2001. Specific detection of Entamoeba histolytica DNA by hemolysin gene targeted PCR. Acta Trop. 78:117-125.