Emended description of the order Chlamydiales, proposal of Parachlamydiaceae fam. nov. and Simkaniaceae fam. nov., each containing one monotypic genus, revised taxonomy of the family Chlamydiaceae, including a new genus and five new species, and standards for the identification of organisms

International Journal of Systematic Bacteriology

Volumn 49, Issue 2, 1999, Pages 415-440

  Everett, Karin D E ^a,c   Bush, Robin M ^b   Andersen, Arthur A ^a  

^a NATIONAL ANIMAL DISEASE CENTER   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c UNIVERSITY OF GEORGIA   (United States)

Author keywords

Animal pathogens; Chlamydiales; Human pathogens; Ribosomal; Taxonomy

Indexed keywords

RNA 16S;

ARTICLE; BACTERIUM IDENTIFICATION; CHLAMYDIA; CHLAMYDIA TRACHOMATIS; CHLAMYDIACEAE; DNA SEQUENCE; NONHUMAN; NUCLEOTIDE SEQUENCE; PARACHLAMYDIACEAE; PHYLOGENY; PLASMID; PRIORITY JOURNAL; SEQUENCE ANALYSIS; SIMKANIACEAE; STRAIN DIFFERENCE; TAXONOMY;

ACANTHAMOEBIDAE; ANIMALIA; BACTERIA (MICROORGANISMS); CANDIDATUS; CHLAMYDIA; CHLAMYDIA MURIDARUM; CHLAMYDIA PECORUM; CHLAMYDIA PNEUMONIAE; CHLAMYDIA PSITTACI; CHLAMYDIA SUIS; CHLAMYDIA TRACHOMATIS; CHLAMYDIACEAE; CHLAMYDIAE; CHLAMYDIALES; CHLAMYDOPHILA; CHLAMYDOPHILA ABORTUS; CHLAMYDOPHILA CAVIAE; CHLAMYDOPHILA FELLS; CHLAMYDOPHILA PECORUM; CHLAMYDOPHILA PNEUMONIAE; CHLAMYDOPHILA PSITTACI; PARACHLAMYDIA ACANTHAMOEBAE; PARACHLAMYDIACEAE; PROKARYOTA; RICKETTSIALES; SIMKANIA; SIMKANIA NEGEVENSIS; SIMKANIACEAE;

EID: 0032953638     PISSN: 00207713     EISSN: None     Source Type: Journal    
DOI: 10.1099/00207713-49-2-415     Document Type: Article

References (140)

1. Alderton, D. (1996). Rodents of the World. New York City : Facts On File.
2. Amann, R. I., Ludwig, W. & Schleifer, K.-H. (1995). Phylogenetic identification and in situ detection of individual microbial cells without cultivation. Microbiol Rev 59, 143-169.
3. Amann, R., Springer, N., Schönhuber, W., Ludwig, W., Schmid, E. N., Müller, K. D. & Michel, R. (1997). Obligate intracellular bacterial parasites of acanthamoebae related to Chlamydia spp. Appl Environ Microbiol 63, 115-121.
4. An, Q. & Olive, D. M. (1994). Molecular cloning and nucleic acid squencing of Chlamydia trachomatis 16S rRNA genes from patient samples lacking the cryptic plasmid. Mol Cell Probes 8, 429-435.
5. An, Q., Radcliffe, G., Vassallo, R., Buxton, D., O'Brien, W. J., Pelletier, D. A., Weisburg, W. G., Klinger, J. D. & Olive, D. M. (1992). Infection with a plasmid-free variant chlamydia related to Chlamydia trachomatis identified by using multiple assays for nucleic acid detection. J Clin Microbiol 30, 2814-2821.
6. Andersen, A. A. (1991). Serotyping of Chlamydia psittaci isolates using serovar-specific monoclonal antibodies with the micro-immunofluorescence test. J Clin Microbiol 29, 707-711.
7. Andersen, A. A. (1997). Two new serovars of Chlamydia psittaci from North American birds. J Vet Diagn Invest 9, 159-164.
8. Andersen, A. A. & Rogers, D. G. (1998). Resistance to tetracycline and sulfadiazine in swine C. trachomatis isolates. In Proceedings of the Ninth International Symposium on Human Chlamydial Infections, pp. 313-316. Edited by R. S. Stephens, G. I. Byrne, G. Christiansen, I. N. Clarke, J. T. Grayston, R. G. Rank, G. L. Ridgway, P. Saikku, J. Schachter and W. E. Stamm. San Francisco, CA: International Chlamydia Symposium.
9. Anderson, I. E., Baxter, S. I. F., Dunbar, S., Rae, A. G., Philips, H. L., Clarkson, M. J. & Herring, A. J. (1996). Analyses of the genomes of chlamydial isolates from ruminants and pigs support the adoption of the new species Chlamydia pecorum. Int J Syst Bacterial 46, 245-251.
10. Andersen, A.A., Grimes, J. E. & Shivaprasad, H. L. (1998). Serotyping of C. psittaci isolates from ratites. Chlamydia psittaci. J Vet Diagn Invest 10, 186-188.
11. Balin, B. J., Gerard, H. C., Arking, E. J., Appelt, D. M., Branigan, P. J., Abrams, J. T., Whittum-Hudson, J. A. & Hudson, A. P. (1998). Identification and localization of Chlamydiae pneumoniae in the Alzheimer's brain. Med Microbiol Immunol 187, 23-42.
12. Batteiger, B. E. (1996). The major outer membrane protein of a single Chlamydia trachomatis serovar can possess more than one serovar-specific epitope. Infect Immun 64, 542-547.
13. Batteiger, B. E., Lin, P. M., Jones, R. B. & Van Der Pol, B. J. (1996). Species-, serogroup-, and serovar-specific epitopes are juxtaposed in variable sequence region 4 of the major outer membrane proteins of some Chlamydia trachomatis serovars. Infect Immun 64, 2839-2841.
14. Bergthorsson, U. & Ochman, H. (1995). Heterogeneity of genome sizes among natural isolates of Escherichia coli. J Bacteriol 177, 5784-5789.
15. Birkelund, S. & Stephens, R. S. (1992). Construction of physical and genetic maps of Chlamydia trachomatis serovar L2 by pulsed-field gel electrophoresis. J Bacteriol 174, 2742-2747.
16. Birtles, R. J., Rowbotham, T. J., Storey, C., Marrie, T. J. & Raoult, D. (1997). Chlamydia-like obligate parasite of free-living amoebae. Lancet 349, 925-926.
17. Braun, J., Tuszewski, M., Eggens, U. & 7 other authors (1997). Nested polymerase chain reaction strategy simultaneously targeting DNA sequences of multiple bacterial species in inflammatory joint diseases. I. Screening of synovial fluid samples of patients with spondyloarthropathies and other arthritides. J Rheumatol 24, 1092-1100.
18. Brenner, D. J. and Falkow, S. (1971). Genetics of the Enterobacteriaceae. Molecular relationships among members of the Enterobacteriaceae. Adv Genet 16, 81-118.
19. Carter, M. W., al-Mahdawi, S. A. H., Giles, I. G., Treharne, J. D., Ward, M. E. & Clarke, I. N. (1991). Nucleotide sequence and taxonomic value of the major outer membrane protein gene of Chlamydia pneumoniae IOL-207. J Gen Microbiol 137, 465-475.
20. Centers for Disease Control and Prevention (1997). Compendium of psittacosis (chlamydiosis) control. Morb Mortal Wkly Rep 46(RR-13), 1-13.
21. Cox, R. L., Kuo, C.-C., Grayston, J. T. & Campbell, L. A. (1988). Deoxyribonucleic acid relatedness of Chlamydia sp. strain TWAR to Chlamydia trachomatis and Chlamydia psittaci. Int J Syst Bacteriol 38, 265-268.
22. Darougar, S., Forsey, T., Brewerton, D. A. & Rogers, K. L. (1980). Prevalence of antichlamydial antibody in London blood donors. Br J Vener Dis 56, 404-407.
23. Denamur, E., Sayada, C., Souriau, A., Orfila, J., Rodolakis, A. & Elion, J. (1991). Restriction pattern of the major outer-membrane protein gene provides evidence for a homogeneous invasive group among ruminant isolates of Chlamydia psittaci. J Gen Microbiol 137, 2525-2530.
24. Dilbeck, P. M., Evermann, J. F., Crawford, T. B. & 7 other authors (1990). Isolation of a previously undescribed rickettsia from an aborted bovine fetus. J Clin Microbiol 28, 814-816.
25. Dwyer, R. St. C., Treharne, J. D., Jones, B. R. & Herring, J. (1972). Chlamydial infection. Results of micro-immunofluorescence tests for the detection of type-specific antibody in certain chlamydial infections. Br J Vener Dis 48, 452-459.
26. Ellis, R. W. (1997). Infection and coronary heart disease. J Med Microbiol 46, 535-539.
27. Engel, J. N. & Ganem, D. (1987). Chlamydial rRNA operons: gene organization and identification of putative tandem promoters. J Bacteriol 169, 5678-5685.
28. Everett, K. D. E. & Andersen, A. A. (1997). The ribosomal intergenic spacer and domain I of the 23S rRNA gene are phylogenetic markers for Chlamydia spp. Int J Syst Bacteriol 47, 461-473.
29. Everett, K. D. E., Hornung, L. J. & Andersen, A. A. (1999). Rapid detection of the Chlamydiaceae and other families in the order Chlamydiales: three PCR tests. J Clin Microbiol 37, 575-580.
30. Fan, H., Brunham, R. C. & McClarty, G. (1992). Acquisition and synthesis of folates by obligate intracellular bacteria of the genus Chlamydia. J Clin Invest 90, 1803-1811.
31. Farencena, A., Comanducci, M., Donati, M., Ratti, G. & Cevenini, R. (1997). Characterization of a new isolate of Chlamydia trachomatis which lacks the common plasmid and has properties of biovar trachoma. Infect Immun 65, 2965-2969.
32. Felsenstein, J. (1985). Confidence limits on phylogenies: an approach using the bootstrap. Evolution 39, 783-791.
33. Felsenstein, J. (1993). PHYLIP (Phylogeny Inference Package) version 3.5c. Distributed by the author. Department of Genetics, University of Washington, Seattle, USA.
34. Fitch, W. M., Peterson, E. M. & de la Maza, L. M. (1993). Phylogenetic analysis of the outer-membrane-protein genes of chlamydiae, and its implication for vaccine development. Mol Biol Evol 10, 892-913.
35. Forsey, T. & Darougar, S. (1984). Acute conjunctivitis caused by an atypical chlamydial strain: Chlamydia IOL 207. Br J Ophthalmol 68, 409-411.
36. Fox, J. G., Stills, H. F., Paster, B. J., Dewhirst, F. E., Yan, L., Palley, L. & Prostak, K. (1993). Antigenic specificity and morphologic characteristics of Chlamydia trachomatis, strain SFPD, isolated from hamsters with proliferative ileitis. Lab Anim Sci 43, 405-410.
37. Francis, T., Jr & Magill, T. P. (1938). An unidentified virus producing acute meningitis and pneumonia in experimental animals. J Exp Med 68, 147-160.
38. Fukushi, H. & Hirai, K. (1989). Genetic diversity of avian and mammalian Chlamydia psittaci strains and relation to host origin. J Bacteriol 171, 2850-2855.
39. Fukushi, H. & Hirai, K. (1992). Proposal of Chlamydia pecorum sp. nov. for Chlamydia strains derived from ruminants. Int J Syst Bacteriol 42, 306-308.
40. Fukushi, H. & Hirai, K. (1993). Restriction fragment length polymorphisms of rRNA as genetic markers to differentiate Chlamydia spp. Int J Syst Bacteriol 43, 613-617.
41. Fukushi, H., Nojiri, K. & Hirai, K. (1987). Monoclonal antibody typing of Chlamydia psittaci strains derived from avian and mammalian species. J Clin Microbiol 25, 1978-1981.
42. Gaillard, E. T., Hargis, A. M., Prieur, D. J., Evermann, J. F. & Dhillon, A. S. (1984). Pathogenesis of feline gastric chlamydial infection. Am J Vet Res 45, 2314-2321.
43. Garrett, A. J. (1975). Some properties of the polysaccharide from cell cultures infected with TRIC agent (Chlamydia trachomatis). J Gen Microbiol 90, 133-139.
44. Gautom, R., Herwig, R. & Fritsche, T. (1996). Molecular phylogeny of bacterial endosymbionts of Acanthamoeba spp. Abstr Gen Meet Am Soc Microbiol 96, 474.
45. Genetics Computer Group (1994). Program Manual for the Wisconsin Package, version 8. Genetics Computer Group, Madison, WI, USA.
46. GENSET (1997). GENSET sequences Chlamydia pneumoniae for cardiovascular research. GENSET Press Release. http://www.genxy.com/News/Releases/chlamydia.html/
47. Girjes, A. A., Hugall, A., Timms, P. & Lavin, M. F. (1988). Two distinct forms of Chlamydia psittaci associated with disease and infertility in Phascolarctos cinereus (Koala). Infect Immun 56, 1897-1900.
48. Girjes, A. A., Hugall, A., Graham, D. M., McCaul, T. F. & Lavin, M. F. (1993). Comparison of type I and type II Chlamydia psittaci strains infecting koalas (Phascolarctos cinereus). Vet Microbiol 37, 65-83.
49. Girjes, A. A., Carrick, F. N. & Lavin, M. F. (1994). Remarkable sequence relatedness in the DNA encoding the major outer membrane protein of Chlamydia psittaci (koala type I) and Chlamydia pneumoniae. Gene 138, 139-142.
50. Girjes, A. A., Carrick, F. N. & Lavin, M. F. (1997). Lipopolysaccharide biosynthesis genes in koala type I Chlamydia: cloning and characterization. Res Microbiol 148, 413-425.
51. Glassick, T., Giffard, P. & Timms, P. (1996). Outer membrane protein 2 gene sequences indicate that Chlamydia pecorum and Chlamydia pneumoniae cause infections in koalas. Syst Appl Microbiol 19, 457-464.
52. Gordon, F. B., Weiss, E., Quan, A. L. & Dressler, H. R. (1966). Observations on guinea pig inclusion conjunctivitis agent. J Infect Dis 116, 203-207.
53. Grayston, J. T., Kuo, C.-C., Campbell, L. A. & Wang, S.-P. (1989). Chlamydia pneumoniae sp. nov. for Chlamydia sp. strain TWAR. Int J Syst Bacteriol 39, 88-90.
54. Hackstadt, T., Fischer, E. R., Scidmore, M. A., Rockey, D. D. & Heinzen, R. A. (1997). Origins and functions of the chlamydial inclusion. Trends Microbiol 5, 288-293.
55. Herring, A. J. (1993). Typing Chlamydia psittaci-a review of methods and recent findings. Br Vet J 149, 455-475.
56. Herring, A. J., Anderson, I. E., McClenaghan, M., Inglis, N. F., Williams, H., Matheson, B. A., West, C. P., Rodger, M. & Brettle, R. P. (1987). Restriction endonuclease analysis of DNA from two isolates of Chlamydia psittaci obtained from human abortions. Brit Med J 295, 1239.
57. Jackson, L. A., Campbell, L. A., Kuo, C. C., Rodriguez, D. I., Lee, A. & Grayston, J. T. (1997). Isolation of Chlamydia pneumoniae from a carotid endarterectomy specimen. J Infect Dis 176, 292-295.
58. Jackson, M., Giffard, P. & Timms, P. (1997). Outer membrane protein A gene sequencing demonstrates the polyphyletic nature of koala Chlamydia pecorum isolates. Syst Appl Microbiol 20, 187-200.
59. Jorgensen, D. M. (1997). Gestational psittacosis in a Montana sheep rancher. Emerg Infect Dis 3, 191-194.
60. Joseph, T., Nano, F. E., Garon, C. F. & Caldwell, H. D. (1986). Molecular characterization of Chlamydia trachomatis and Chlamydia psittaci plasmids. Infect Immun 51, 699-703.
61. Jukes, T. H. & Cantor, C. R. (1969). Evolution of protein molecules. In Mammalian Protein Metabolism, vol. III, pp. 21-132. Edited by H. N. Munro. New York: Academic Press.
62. Kahane, S., Gonen, R., Sayada, C., Elion, J. & Friedman, M. G. (1993). Description and partial characterization of a new chlamydia-like microorganism. FEMS Microbiol Lett 109, 329-334.
63. Kahane, S., Metzer, E. & Friedman, M. G. (1995). Evidence that the novel microorganism 'Z' may belong to a new genus in the family Chlamydiaceae. FEMS Microbiol Lett 126, 203-208.
64. T: growth, antigenic and genome characteristics. Int J Syst Bacteriol 49, 815-820.
65. Kaltenboeck, B. & Storz, J. (1992). Biological properties and genetic analysis of the ompA locus in chlamydiae isolated from swine. J Vet Res 53, 1482-1487.
66. Kaltenboeck, B., Kousoulas, K. G. & Storz, J. (1993). Structures of and allelic diversity and relationships among the major outer membrane protein (ompA) genes of the four chlamydial species. J Bacteriol 175, 487-502.
67. Kaltenböck, B., Schmeer, N. & Schneider, R. (1997). Evidence for numerous ompl alleles of porcine Chlamydia trachomatis and novel chlamydial species obtained by PCR. J Clin Microbiol 35, 1835-1841.
68. Kingsbury, D. T. & Weiss, E. (1968). Lack of deoxyribonucleic acid homology between species of the genus Chlamydia. J Bacteriol 96, 1421-1423.
69. Kocan, K. M., Crawford, T. B., Dilbeck, P. M., Evermann, J. F. & McGuire, T. C. (1990). Development of a rickettsia isolated from an aborted bovine fetus. J Bacteriol 172, 5949-5955.
70. Kuo, C.-C., Jackson, L. A., Campbell, L. A. & Grayston, J. T. (1995). Chlamydia pneumoniae (TWAR). Clin Microbiol Rev 8, 451-461.
71. Lapage, S. P., Sneath, P. H. A., Lessel, E. F., Skerman, V. B. D., Seeliger, H. P. R. & Clark, W. A. (editors) (1992). International Code of Nomenclature of Bacteria (1990 Revision). Bacteriological Code. Washington, DC: American Society for Microbiology.
72. Levene, S. D. & Zimm, B. H. (1987). Separations of open-circular DNA using pulsed-field electrophoresis. Proc Natl Acad Sci USA 84, 4054-4057.
73. Lin, H.-S. & Moulder, J. W. (1966). Patterns of response to sulfadiazine, D-cycloserine and D-alanine in members of the psittacosis group. J Infect Dis 116, 372-376.
74. Löbau, S., Mamat, U., Brabetz, W. & Brade, H. (1995). Molecular cloning, sequence analysis, and functional characterization of the lipopolysaccharide biosynthetic gene kdtA encoding 3-deoxy-alpha-D-manno-octulosonic acid transferase of Chlamydia pneumoniae strain TW-183. Mol Microbiol 18, 391-399.
75. Lusher, M., Storey, C. C. & Richmond, S. J. (1989). Plasmid diversity within the genus Chlamydia. J Gen Microbiol 135, 1145-1151.
76. Mair, T. S. & Wills, J. M. (1992). Chlamydia psittaci infection in horses: results of a prevalence survey and experimental challenge. Vet Rec 130, 417-419.
77. May, S. W., Kelling, C. L., Sabara, M. & Sandbulte, J. (1996). Virulence of feline Chlamydia psittaci in mice is not a function of the major outer membrane protein. Vet Microbiol 53, 355-368.
78. Michel, R., Hauröder-Philippczyk, B., Müller, K.-D. & Weishaar, I. (1994). Acanthamoeba from human nasal mucosa infected with an obligate intracellular parasite. Eur J Protistol 30, 104-110.
79. Miyashita, N., Kanamoto, Y. & Matsumoto, A. (1993). The morphology of Chlamydia pneumoniae. J Med Microbiol 38, 418-425.
80. Moulder, J. W. (1991). Interaction of chlamydiae and host cells in vitro. Microbiol Rev 55, 143-190.
81. Moulder, J. W., Hatch, T. P., Kuo, C.-C., Schachter, J. & Storz, J. (1984). Genus Chlamydia. In Bergey's Manual of Systematic Bacteriology, vol. 1, pp. 729-739. Edited by N. R. Krieg. Baltimore: Williams & Wilkins.
82. Murray, E. S. (1964). Guinea pig inclusion conjunctivitis virus. I. Isolation and identification as a member of the psittacosis-lymphogranuloma-trachoma group. J Infect Dis 114, 1-12.
83. Nigg, C. (1942). Unidentified virus which produces pneumonia and systemic infection in mice. Science 95, 49-50.
84. Nordström, K. (1990). Control of plasmid replication - how do DNA iterons set the replication frequency? Cell 63, 1121-1124.
85. van Ooij, C., Apodaca, G. & Engel, J. (1997). Characterization of the Chlamydia trachomatis vacuole and its interaction with the host endocytic pathway in HeLa cells. Infect Immun 65, 758-766.
86. Page, L. A. (1966). Revision of the family Chlamydiaceae Rake (Rickettsiales): unification of the psittacosis-lymphogranuloma venereum-trachoma group of organisms in the genus Chlamydia, Jones, Rake and Stearns, 1945. Int J Syst Bacteriol 16, 223-252.
87. Page, L. A. (1967). Comparison of "pathotypes" among chlamydial (psittacosis) strains recovered from diseased birds and mammals. Bull Wildlife Dis Assoc 2, 166-175.
88. Page, L. A. (1968). Proposal for the recognition of two species in the genus Chlamydia. Jones, Rake, and Stearns, 1945. Int J Sys Bacteriol 18, 51-66.
89. Palys, T., Nakamura, L. K. & Cohan, F. M. (1997). Discovery and classification of ecological diversity in the bacterial world: the role of DNA sequence data. Int J Syst Bacteriol 47, 1145-1156.
90. Peterson, E. M., Markoff, B. A., Schachter, J. & de la Maza, L. M. (1990). The 7-5-kb plasmid present in Chlamydia trachomatis is not essential for the growth of this microorganism. Plasmid 23, 144-148.
91. Peterson, E. M., Cheng, X., Markoff, B. A., Fielder, T. J. & de la Maza, L. M. (1991). Functional and structural mapping of Chlamydia trachomatis species-specific major outer membrane protein epitopes by use of neutralizing monoclonal antibodies. Infect Immun 59, 4147-4153.
92. Pettersson, B., Andersson, A., Leitner, T., Olsvik, O., Uhlén, M., Storey, C. & Black, C. M. (1997). Evolutionary relationships among members of the genus Chlamydia based on 16S ribosomal DNA analysis. J Bacteriol 179, 4195-4205.
93. Popov, V. L., Shatkin, A. A., Pankratova, V. N., Smirnova, N. S., von Bonsdorff, C.-H., Ekman, M.-R., Mörttinen, A. & Saikku, P. (1991). Ultrastructure of Chlamydia pneumaniae in cell culture. FEMS Microbiol Lett 84, 129-145.
94. Prain, C. J. & Pearce, J. H. (1989). Ultrastructural studies on the intracellular fate of Chlamydia psittaci (strain guinea pig inclusion conjunctivitis) and Chlamydia trachomatis (strain lymphogranuloma venereum 434): modulation of intracellular events and relationship with endocytic mechanism. J Gen Microbiol 135, 2107-2123.
95. Pudjiatmoko, Fukushi, H., Ochiai, Y., Yamaguchi, T. & Hirai, K. (1997). Phylogenetic analysis of the genus Chlamydia based on 16S rRNA gene sequences. Int J Syst Bacteriol 47, 425-431.
96. Rake, G. W. (1957). Family II. Chlamydiaceae Rake, Fam. Nov. In Bergey's Manual of Systematic Bacteriology, 7th edn, pp. 957-968. Edited by R. S. Breed, E. G. D. Murray & N. R. Smith. Baltimore: Williams & Wilkins.
97. Rodolakis, A. & Souriau, A. (1992). Restriction endonuclease analysis of DNA from ruminant Chlamydia psittaci and its relation to mouse virulence. Vet Microbiol 31, 263-271.
98. Rodolakis, A., Bernard, F. & Lantier, F. (1989). Mouse models for evaluation of virulence of Chlamydia psittaci isolated from ruminants. Res Vet Sci 46, 34-39.
99. Rogers, D. G. & Andersen, A. A. (1996). Intestinal lesions caused by two swine chlamydial isolates in gnotobiotic pigs. J Vet Diagn Invest 8, 433-440.
100. Rogers, D. G., Andersen, A. A., Hogg, A., Nielsen, D. L. & Huebert, M. A. (1993). Conjunctivitis and keratoconjunctivitis associated with chlamydiae in swine. J Am Vet Med Assoc 203, 1321-1323.
101. Rogers, D. G., Andersen, A. A. & Hunsaker, B. D. (1996). Lung and nasal lesions caused by a swine chlamydial isolate in gnotobiotic pigs. J Vet Diagn Invest 8, 45-55.
102. Rurangirwa, F. R., Dilbeck, P. M., Crawford, T. B., McGuire, T. C. & McElwain, T. F. (1999). Analysis of the 16S rRNA gene of micro-organism WSU 86-1044 from an aborted bovine foetus reveals that it is a member of the order Chlamydiales: proposal of Waddliaceae fam. nov., Waddlia chondrophila gen. nov., sp. nov. Int J Syst Bacteriol 49, 577-581.
103. Sakamoto, T. & Bryant, D. A. (1998). Growth at low temperature causes nitrogen limitation in the cyanobacterium Synechococcus sp. PCC 7002. Arch Microbiol 169, 10-19.
104. Sambrook, J., Fritsch, E. F. & Maniatis, T. (1989). Molecular Cloning: a Laboratory Manual, 2nd edn. Cold Spring Harbor, NY: Cold Spring Harbor Laboratory.
105. Sayada, C., Andersen, A., Rodriguez, P., Eb, F., Milon, A., Elion, J. & Denamur, E. (1994). Homogeneity of the major outer membrane protein gene of feline Chlamydia psittaci. Res Vet Sci 56, 116-118.
106. Schachter, J., Ostler, H. B. & Meyer, K. F. (1969). Human infection with the agent of feline pneumonitis. Lancet 1, 1063-1065.
107. Schiller, I., Koesters, R., Weilenmann, R., Kaltenboeck, B. & Pospischil, A. (1997). Polymerase chain reaction (PCR) detection of porcine Chlamydia trachomatis and ruminant Chlamydia psittaci serovar 1 DNA in formalin-fixed intestinal specimens from swine. J Vet Med Ser B 44, 185-191.
108. Schleifer, K. H. & Stackebrandt, E. (1983). Molecular systematics of prokaryotes. Annu Rev Microbiol 37, 143-87.
109. Scieux, C., Grimont, F., Regnault, B. & Grimont, P. A. D. (1992). DNA fingerprinting of Chlamydia trachomatis by use of ribosomal RNA, oligonucleotide and randomly cloned DNA probes. Res Microbiol 143, 755-765.
110. Skerman, V. B. D., McGowan, V. & Sneath, P. H. A. (1980). Approved lists of bacterial names. Int J Syst Bacteriol 30, 225-420.
111. Spalatin, J., Fraser, C. E. O., Connell, R., Hanson, R. P. & Berman, D. T. (1966). Agents of psittacosis-lymphogranuloma venereum group isolated from muskrats and snowshoe hares in Saskatchewan. Can J Comp Med Vet Sci 30, 260-264.
112. Stackebrandt, E., Rainey, F. A. & Ward-Rainey, N. L. (1997). Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int J Syst Bacteriol 47, 479-491.
113. Stephens, R. S., Kalman, S., Lammel, C. & 9 other authors (1998). Genome sequence of obligate intracellular pathogen of humans: Chlamydia trachomatis. Science 282, 754-759.
114. Stills, H. F., Jr, Fox, J. G., Paster, B. J. & Dewhirst, F. E. (1991). A "new" Chlamydia sp. strain SFPD isolated from transmissible proliferative ileitis in hamsters. Microbiol Ecol Health Dis 4, S99.
115. Storey, C., Lusher, M. & Richmond, S. J. (1992). Use of comparative MOMP gene sequence data for subdivision of Chlamydia psittaci species. In Proceedings of the European Society for Chlamydia Research, pp. 191. Edited by P.-A. Mårdh, M. LaPlaca & M. Ward. Uppsala, Sweden: Uppsala University Centre for STD Research.
116. Storey, C., Lusher, M., Yates, P. & Richmond, S. (1993). Evidence for Chlamydia pneumoniae of non-human origin. J Gen Microbiol 139, 2621-2626.
117. Storz, J. & Page, L. A. (1971). Taxonomy of the chlamydiae: reasons for classifying organisms of the genus Chamydia family Chlamydiaceae, in a separate order, Chlamydiales ord. nov. Int J Syst Bacteriol 21, 332-334.
118. Storz, J., McKercher, D. G., Howarth, J. A. & Straub, O. C. (1960). The isolation of a viral agent from epizootic bovine abortion. J Am Vet Med Assoc 137, 509-514.
119. Swofford, D. L. (1993). PAUP: phylogenetic analysis using parsimony. Version 3.1. Computer program distributed by the Illinois Natural History Survey, Champaign, IL, USA.
120. Szeredi, L., Schiller, I., Sydler, T., Guscetti, F., Heinen, E., Corboz, L., Eggenberger, E., Jones, G. E. & Pospischil, A. (1996). Intestinal Chlamydia in finishing pigs. Vet Pathol 33, 369-374.
121. Takahashi, T., Takashima, I. & Hashimoto, N. (1988). Immunotyping of Chlamydia psittaci by indirect immunofluorescence antibody test with monoclonal antibodies. Microbiol Immunol 32, 251-263.
122. Takahashi, T., Masuda, M., Tsuruno, T., Mori, Y., Takashima, I., Hiramune, T. & Kikuchi, N. (1997). Phylogenetic analyses of Chlamydia psittaci from birds based on 16S rDNA gene sequence. J Clin Microbiol 35, 2908-2914.
123. Taraska, T., Ward, D. M., Ajioka, R. S., Wyrick, P. B., Davis-Kaplan, S. R., Davis, C. H. & Kaplan, J. (1996). The late chlamydial inclusion membrane is not derived from the endocytic pathway and is relatively deficient in host proteins. Infect Immun 64, 3713-3727.
124. TerWee, J., Sabara, M., Kokjohn, K., Sandbulte, J., Frenchick, P. & Dreier, K. J. (1998). Characterization of the systemic disease and ocular signs induced by experimental infection with Chlamydia psittaci in cats. Vet Microbiol 59, 259-281.
125. Thomas, N. S., Lusher, M., Storey, C. C. & Clarke, I. N. (1997). Plasmid diversity in Chlamydia. Microbiology 143, 1847-1854.
126. Thompson, J. D., Higgins, D. G. & Gibson, T. J. (1994). CLUSTAL w: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice. Nucleic Acids Res 22, 4673-4680.
127. Timms, P., Eaves, F. W., Girjes, A. A. & Lavin, M. F. (1988). Comparison of Chlamydia psittaci isolates by restriction endonuclease and DNA probe analysis. Infect Immun 56, 287-290.
128. Van de Peer, Y., Neefs, J.-M., De Rijk, P., De Vos, P. & De Wachter, R. (1994). About the order of divergence of the major bacterial taxa during evolution. Syst Appl Microbiol 17, 32-38.
129. Vanrompay, D., Andersen, A. A., Ducatelle, R. & Haesebrouck, F. (1993). Serotyping of European isolates of Chlamydia psittaci from poultry and other birds. J Clin Microbiol 31, 134-137.
130. Vanrompay, D., De Meurichy, W., Ducatelle, R. & Haesebrouck, F. (1994). Pneumonia in Moorish tortoises (Testudo graeca) associated with avian serovar A Chlamydia psittaci. Vet Rec 135, 284-285.
131. Vuillaumier, S., Kaltenboeck, B., Lecointre, G., Lehn, P. & Denamur, E. (1997). Phylogenetic analysis of cystic fibrosis transmembrane conductance regulator gene in mammalian species argues for the development of a rabbit model for cystic fibrosis. Mol Biol Evol 14, 372-380.
132. Walker, E. M., Arnett, J. K., Heath, J. D. & Norris, S. J. (1991). Treponema pallidum subsp. pallidum has a single, circular chromosome with a size of approximately 900 kilobase pairs. Infect Immun 59, 2476-2479.
133. Wardrop, S., Fowler, A., O'Callaghan, P., Giffard, P. & Timms, P. (1999) Characterisation of the koala biovar of Chlamydia pneumoniae at four gene loci. Syst Appl Microbiol (in press).
134. Wayne, L. G., Brenner, D. J., Colwell, R. R. & 9 other authors (1987). International Committee on Systematic Bacteriology. Report of the ad hoc committee on reconciliation of approaches to bacterial systematics. Int J Syst Bacteriol 37, 463-464.
135. Weisburg, W. G., Hatch, T. P. & Woese, C. R. (1986). Eubacterial origin of chlamydiae. J Bacteriol 167, 570-574.
136. Weiss, E., Schramek, S., Wilson, N. N. & Newman, L. W. (1970). Deoxyribonucleic acid heterogeneity between human and murine strains of Chlamydia trachomatis. Infect Immun 2, 24-28.
137. Wills, J. M., Watson, G., Lusher, M., Mair, T. S., Wood, D. & Richmond, S. J. (1990). Characterisation of Chlamydia psittaci isolated from a horse. Vet Microbiol 24, 11-19.
138. Zahn, I., Szeredi, L., Schiller, I. & 7 other authors (1995). Immunohistochemical determination of Chlamydia psittaci/ pecorum and C. trachomatis in the piglet gut. J Vet Med Ser B 42, 266-276.
139. Zhang, Y.-X., Fox, J. G., Ho, Y., Zhang, L., Stills, H. F., Jr & Smith, T. F. (1993). Comparison of the major outer-membrane protein (MOMP) gene of mouse pneumonitis (MoPn) and hamster SFPD strains of Chlamydia trachomatis with other Chlamydia strains. Mol Biol Evol 10, 1327-1342.
140. Zhao, Q., Schachter, J. & Stephens, R. S. (1993). Lack of allelic polymorphism for the major outer membrane protein gene of the agent of guinea pig inclusion conjunctivitis (Chlamydia psittaci). Infect Immun 61, 3078-3080.