Acidophilic bacteria and archaea: Acid stable biocatalysts and their potential applications

Extremophiles

Volumn 16, Issue 1, 2012, Pages 1-19

  Sharma, Archana ^a   Kawarabayasi, Yutaka ^b   Satyanarayana, T ^a  

^a UNIVERSITY OF DELHI   (India)

^b NEW ENERGY AND INDUSTRIAL TECHNOLOGY DEVELOPMENT ORGANIZATION   (Japan)

Author keywords

Acid stable; Acidophiles; Biocatalysts; Extremophiles

Indexed keywords

ACID; ENZYME;

ARCHAEBACTERIUM; BACTERIUM; BIOCATALYSIS; CHEMICAL STRUCTURE; DIRECTED MOLECULAR EVOLUTION; GENETICS; METABOLISM; PH; PROTEIN DEGRADATION; REVIEW;

ACIDS; ARCHAEA; BACTERIA; BIOCATALYSIS; DIRECTED MOLECULAR EVOLUTION; ENZYMES; HYDROGEN-ION CONCENTRATION; MODELS, MOLECULAR; PROTEOLYSIS;

ACIDOPHILES; ARCHAEA; BACTERIA (MICROORGANISMS);

EID: 84155188952     PISSN: 14310651     EISSN: 14334909     Source Type: Journal    
DOI: 10.1007/s00792-011-0402-3     Document Type: Review

References (144)

1. Albers SV, Driessen AJ (2007) Conditions for gene disruption by homologous recombination of exogenous DNA into the Sulfolobus solfataricus genome. Archaea 2: 145-149.
2. Alikhajeh J, Khajeh K, Naderi-Manesh M, Ranjbar B, Sajedi RH, Naderi-Manesh H (2007) Kinetic analysis, structural studies and prediction of pKa values of Bacillus KR-8104 α-amylase: the determinants of pH-activity profile. Enzym Microbiol Technol 41: 337-345.
3. Arpigny JL, Jaeger K-E (1999) Bacterial lipolytic enzymes: classification and properties. Biochem J 343: 177-183.
4. Asghari SM, Khajeh K, Moradian F, Ranjbar B, Naderi-Manesh H (2004) Acid-induced conformational changes in Bacillus amyloliqefaciens α-amylase: appearance of a molten globule like state. Enzym Microb Technol 35: 51-57.
5. Asoodeh A, Chamani J, Lagzian M (2010) A novel thermostable, acidophilic α-amylase from a new thermophilic "Bacillus sp. Ferdowsicous" isolated from Ferdows hot mineral spring in Iran: purification and biochemical characterization. Int J Biol Macromol 46: 289-297.
6. Auernik KS, Cooper CR, Kelly RM (2008a) Life in hot acid: pathway analysis in extremely thermoacidophilic archaea. Curr Opin Biotechnol 19: 445-453.
7. Auernik KS, Maezato Y, Blum PH, Kelly RM (2008b) The genome sequence of the metal-mobilizing, extremely thermoacidophilic archaeon Metallosphaera sedula provides insights into bioleaching-associated metabolism. Appl Environ Microbiol 74: 682-692.
8. Baker-Austin C, Dopson M (2007) Life in acid: pH homeostasis in acidophiles. Trends Microbiol 15: 165-171.
9. Batrakov SG, Pivovarova TA, Esipov SE, Sheichenko VI, Karavaiko GI (2002) Beta-d-glycopyranosyl caldarchaetidylglycerol is the main lipid of the acidophilic, mesophilic, ferrous iron-oxidizing archaeon Ferroplasm acidiphilum. Biochim Biophys Acta Mol Cell Biol Lipids 1581: 29-35.
10. Bertoldo C, Dock C, Antranikian G (2004) Thermoacidophilic microorganisms and their novel biocatalysts. Eng Life Sci 4: 521-531.
11. Bhattacharyya S, Chakrabarty BK, Das A, Jundu P, Banerjee PC (1990) Acidiphilium symbioticum sp. nov., an acidophilic heterotrophic bacterium from Thiobacillus ferrooxidans cultures isolated from Indian mines. Can J Microbiol 37: 78-85.
12. Biely P (1985) Microbial xylanolytic systems. Trends Biotechnol 11: 286-290.
13. Blake RC, White KJ, Shute EA (1991) Effect of divers anions on the electron-transfer reaction between iron and rusticyanin from Thiobacillus ferrooxidans. Biochemistry 30: 9443-9449.
14. Blanco A, Diaz P, Martinez J, Vidal T, Torres AL, Pastor FI (1998) Cloning of a new endoglucanase gene from Bacillus sp. BP-23 and characterization of the enzyme performance in paper manufacture from cereal straw. Appl Microbiol Biotechnol 50: 48-54.
15. Brierley CL, Brierley JA (1973) A chemoautotropic and thermophilic microorganism isolated from an acid hot spring. Can J Microbiol 19: 183-188.
16. Brock TD, Brock KM, Belly RT, Weiss RL (1972) Sulfolobus: a new genus of sulphur-oxidizing bacteria living at low pH and high temperature. Arch Mikrobiol 84: 54-68.
17. Bryant RD, McGoarty KM, Costerton JW, Laishley EJ (1983) Isolation and characterisation of a new acidophilic Thiobacillus strain (T. albertis). Can J Microbiol 29: 1159-1170.
18. Buonocore V, Caporale C, Derosa M, Gambacorta A (1976) Stable, inducible, thermoacidophilic α-amylase from Bacillus acidocaldarius. J Bacteriol 128: 515-521.
19. Chen L, Brugger K, Skovgaard M, Redder P, Qunxin S, Torarinsson E, Greve B, Awayez M, Zibat A, Klenk HP, Garretti RA (2005) The genome of Sulfolobus acidocaldarius, a model organism of the Crenarchaeota. J Bacteriol 187: 4992-4999.
20. Clark DA, Norris PR (1996) Acidimicrobium ferrooxidans gen. nov., sp. nov.: mixed-culture ferrous iron oxidation with Sulfobacillus species. Microbiology 142: 785-790.
21. Collins T, Gerday C, Feller G (2005) Xylanases, xylanase families and extremophilic xylanases. FEMS Microbiol Rev 29: 3-23.
22. Crabb WD, Shetty JK (1999) Commodity scale production of sugars from starches. Curr Opin Microbiol 2: 252-256.
23. Crossman L, Holden M, Pain A, Parkhill J (2004) Genomes beyond compare. Nat Rev Microbiol 2: 616-617.
24. Darland G, Brock TD (1971) Bacillus acidocaldarius sp. nov., an acidophilic, thermophilic spore forming bacterium. J Gen Microbiol 67: 9-15.
25. Darland G, Brock TD, Samsonoff W, Conti SF (1970) A thermophilic, acidophilic mycoplasma isolated from a coal refuse pile. Science 170: 1416-1418.
26. Davies DR (1990) The structure and function of the aspartic proteinases. Ann Rev Biophys Chem 19: 189-215.
27. De Pascale D, Sasso MP, Lernia ID, Lazzaro AD, Furia A, Farina MC, Rossi M, De rosa M (2001) Recombinant thermophilic enzymes from trehalose and trehalosyl dextrins production. J Mol Catal B Enzym 11: 777-786.
28. Di Lernia I, Morana A, Ottombrino A, Fusco S, Rossi M, De Rosa M (1998) Enzymes from Sulfolobus shibatae for the production of trehalose and glucose from starch. Extremophiles 2: 409-416.
29. Dock C, Hess M, Anthranikian G (2008) A thermoactive glucoamylase with biotechnological relevance from the thermoacidophilic euryarchaeon Thermoplasma acidophilum. Appl Microbiol Biotechnol 78: 105-114.
30. Eckert K, Schneider E (2003) A thermoacidophilic endoglucanase (CelB) from Alicyclobacillusacidocaldarius displays high sequence similarity to arabinofuranosidases belonging to family 51 of glycoside hydrolases. Eur J Biochem 270: 3593-3602.
31. Ettema TJ, Brinkman AB, Lamers PP, Kornet NG, de Vos WM, Vander Oost J (2006) Molecular characterization of a conserved archaeal copper resistance (cop) gene cluster and its copper responsive regulator in Sulfolobus solfataricus P2. Microbiology 152: 1969-1979.
32. Fang T-Y, Huang X-G, Shih T-Y, Tseng W-C (2004) Characterization of trehalosyl dextrin forming enzyme from thermophilic archaeon Sulfolobus solfataricus ATCC 35092. Extremophiles 8: 335-343.
33. Ferrer M, Golyshina OV, Beloqui A, Bottger LH, Andreu JM, Polaina J, Lacey ALD, Trautwein AX, Timmis KN, Golyshin PN (2008) A purple acidophilic di-ferric DNA ligase from Ferroplasma. Proc Natl Acad Sci USA 105: 8878-8883.
34. Fuchs T, Huber H, Teiner K, Burggraf S, Stetter KO (1996) Metallosphaera prunae, sp. nov., a novel metal-mobilizing, thermoacidophilic archaeum, isolated from a uranium mine in Germany. Syst Appl Microbiol 18: 560-566.
35. Fusek M, Lin XL, Tang J (1990) Enzymatic properties of thermopsin. J Biol Chem 265: 1496-1501.
36. Futterer O, Angelov A, Liesegang H, Gottschalk G, Schleper C, Schepers B, Dock C, Antranikian G, Liebl W (2004) Genome sequence of Picrophilus torridus and its implications for life around pH 0. Proc Natl Acad Sci USA 101: 9091-9096.
37. Gaffney PJ, Edgell TA, Dawson PA, Ford AW, Stocker E (1996) A pig collagen peptide fraction. A unique material for maintaining biological activity during lyophilization and during storage in the liquid state. J Pharm Pharmacol 48: 896-898.
38. Galbe M, Zacchi G (2007) Pretreatment of lignocellulosic materials for efficient bioethanol production. Adv Biochem Eng Biotechnol 108: 41-65.
39. Golovacheva RS, Golyshina OV, Karavaiko GI, Dorofeev AG, Cheruykh NA (1992) The new iron-oxidizing bacterium Leptospirillum thermoferrooxidans sp. nov. Mikrobiologiya 61: 1056-1065.
40. Golovacheva RS, Karavaiko GI (1978) A new genus of thermophilic spore-forming bacteria, Sulfobacillus. Mikrobiologiya 47: 815-822.
41. Golyshina OV, Golyshina NP, Timmis NK, Ferrer M (2006) The pH optimum anomaly of intracellular enzymes of Ferroplasma acidiphilum. Environ Microbiol 8: 416-425.
42. Golyshina OV, Pivovarova TA, Karavaiko GI, Moore ERB, Abracham WR, Luensdorf H, Timmis KN, Yakimov MM, Golyshin PN (2000) Ferroplasma acidiphilum gen. nov., sp. nov., an acidophilic autotrophic, ferrous-iron oxidizing, cell wall lacking, mesophilic member of the Ferroplasmaceae fam. Nov., comprising distinct lineage of Archaea. Int J Syst Evol Microbiol 50: 997-1006.
43. Grogan D, Palm P, Zillig W (1990) Isolate B12 which harbors a virus-like element represents a new species of the archaebacterial genus Sulfolobus, Sulfolobus shibatae new species. Arch Mikrobiol 154: 594-599.
44. Guay R, Silver M (1975) Thiobacillus acidophilus sp. nov., isolation and some physiological characteristics. Can J Microbiol 21: 281-288.
45. Gueguen Y, Rolland JL, Schroeck S, Flament D, Defretin S, Saniez MH, Dietrich J (2001) Characterization of the maltooligosyl trehalose synthese from the thermophilic archaeon Sulfolobus acidocaldarius. FEMS Microbiol Lett 194: 201-206.
46. Han D, Krauss G (2009) Characterization of the endonuclease SSO2001 from Sulfolobus solfataricus P2. FEBS Lett 583: 771-776.
47. Harrison AP (1981) Acidiphilium cryptum gen. nov., sp. nov., heterotrophic bacterium from acidic mineral environments. Int J Syst Bacteriol 31: 327-332.
48. Harrison AP (1983) Genomic and physiological comparisons between heterotrophic thiobacilli and Acidiphilium cryptum, Thiobacillus versutus, sp. nov., and Thiobacillus acidophilus nom. rev. Int J Syst Bacteriol 33: 211-217.
49. Hess M (2008) Thermoacidophilic proteins for biofuel production. Trends Microbiol 16: 414-419.
50. Hirata A, Adachi M, Sekine A, Kang YN, Utsumi S, Mikami B (2004) Structural and enzymatic analysis of soybean beta-amylase mutants with increased pH optimum. J Biol Chem 279: 7287-7295.
51. Honda S (1998) Dietary use of collagen and collagen peptides for cosmetics. Food Style 21: 54-60.
52. Hou S, Makarova KS, Saw JHW, Senin P, Ly BV, Zhou Z, RenY Wang J, Galperin MY, Omelchenko MV, Wolf YI, Yutin N, Koonin EV, Stott MB, Mountain BW, Crowe MA, Smirnova AV, Dunfield PF, Feng L, Wang L, Alam M (2008) Complete genome sequence of the extremely acidophilic methanotroph isolate V4, Methylacidiphilum infernorum, a representative of the bacterial phylum Verrucomicrobia. Biol Direct 3: 26.
53. Hovarth P, Barrangou R (2010) CRISPR/Cas, the immune system of bacteria and archaea. Science 327: 167-170.
54. Huang Y, Krauss G, Cottaz S, Driguez H, Lipps G (2005) A highly acid-stable and thermostable endo-b-glucanase from the thermoacidophilic archaeon Sulfolobus solfataricus. Biochem J 385: 581-588.
55. Huber G, Spinnler C, Gambacorta A, Stetter KO (1989) Metallosphaera sedula gen. and sp. nov. represents a new genus of aerobic, metal-mobilizing, thermoacido-philic archaebacteria. Syst Appl Microbiol 12: 38-47.
56. Huber H, Stetter KO (1989) Thiobacillus prosperus sp. nov., represents of new group of acid tolerant metal-mobilizing bacteria isolated from a marine geothermal field. Arch Mikrobiol 151: 479-485.
57. Huber G, Stetter KO (1991) Sulfolobus metallicus, sp. nov., a novel strictly chemolithoautotrophic thermophilic archaeal species of metal mobilizers. Syst Appl Microbiol 14: 372-378.
58. Inagaki K, Nakahira K, Mukai K, Tamura T, Tanaka H (1998) Gene cloning and characterization of an acidic xylanase from Acidobacterium capsulatum. Biosci Biotechnol Biochem 62: 1061-1067.
59. Itoh T, Yoshikawa N, Takashina T (2007) Thermogymnomonas acidicola gen. nov., sp. nov., a novel thermoacidophilic, cell wall-less archaeon in the order Thermoplasmatales, isolated from a solfataric soil in Hakone, Japan. Int J Syst Evol Microbiol 57: 2557-2561.
60. Jones A, Lamsa M, Frandsen TP, Spendler T, Harris P, Sloma A, Xu F, Nielson JB, Cherry JR (2008) Directed evolution of a maltogenic alpha-amylase from Bacillus sp. TS-25. J Biotechnol 134: 325-333.
61. Karavaiko GI, Golyshina OV, Troitskii AV, Valiehoroman KM, Golovacheva RS, Pivovarova TA (1994) Sulfurococcus yellowstonii sp. nov., a new species of ironoxidizing and sulphur-oxidizing thermoacidophilic archaebacteria. Mikrobiologiya 63: 379-387.
62. Katkocin DM (1985) Thermostable glucoamylase and method for its production. US Patent No. 4, 536, 477.
63. Kato M (1999) Trehalose production with a new enzymatic system from Sulfolobus solfataricus KM1. J Mol Catal B Enzym 6: 223-233.
64. Kato M, Miura Y, Kettoku M, Komeda T, Iwamatsu A, Kobayashi K (1996a) Reaction mechanism of a new glycosyltrehalose hydrolyzing enzyme isolated from the hyperthermophilic archaeon, Sulfolobus solfataricus KM1. Biosci Biotechnol Biochem 60: 925-928.
65. Kato M, Miura Y, Kettoku M, Shindo K, Iwamatsu A, Kobayashi K (1996b) Purification and characterization of new trehalose producing enzymes isolated from the hyperthermophilic archaean, Sulfolobus solfataricus KM1. Biosci Biotechnol Biochem 60: 546-550.
66. Kawarabayasi Y, Hino Y, Horikawa H, Jin-no K, Takahashi M, Sekine M, Baba S, Ankai A, Kosugi H, Hosoyama A, Fukui S, Nagai Y, Nishijima K, Otsuka R, Nakazawa H, Takamiya M, Kato Y, Yoshizawa T, Tanaka T, Kudoh Y, Yamazaki J, Kushida N, Oguchi A, Aoki K, Masuda S, Yanagii M, Nishimura M, Yamagishi A, Oshima T, Kikuchi H (2001) Complete genome sequence of an aerobic thermoacidophilic Crenarchaeon, Sulfolobus tokodaii strain7. DNA Res 8: 123-140.
67. Kawashima T, Amano N, Koike H, Makino S, Higuchi S, Kawashima-Ohya Y, Watanabe K, Yanazaki M, Kanehori K, Kawamotoi T, Nunoshiba T, Yamamoto Y, Aramaki H, Makino K, Suzuki M (2000) Archaeal adaptation to higher temperatures revealed by genomic sequence of Thermoplasma volcanium. Proc Natl Acad Sci USA 97: 14257-14262.
68. Keeling PJ, Klenk H-P, Singh RK, Feeley O, Schleper C, Zillig W, Doolittle WF, Sensen WC (1996) Complete nucleotide sequence of the Sulfolobus islandicus multicopy plasmid pRN1. Plasmid 35: 141-144.
69. Keeling PJ, Klenk HP, Singh RK, Schenk ME, Sensen WC, Zillig W, Doolittle WF (1998) Sulfolobus islandicus plasmids pRN1 and pRN2 share distant but common evolutionary ancestry. Extremophiles 2: 391-393.
70. Kim S, Lee SB (2006) Rare codon clusters at 5′-end influence heterologous expression of archaeal gene in Escherichia coli. Protein Expr Purif 50: 49-57.
71. Kim M, Park J, Kim Y, Lee H, Nyawira R, Shin H, Park C, Yoo S, Kim Y, Moon T, Park K (2004) Properties of novel thermostable glucoamylase from the hyperthermophilic archaeon Sulfolobus solfataricus in relation to starch processing. Appl Environ Microbiol 70: 3933-3940.
72. Kishimoto N, Inagaki K, Sugio T, Tano T (1991) Purification and properties of an acidic β-glucosidase from Acidobacterium capsulatum. J Fermen Bioeng 71: 318-321.
73. Kishimoto N, Kosako Y, Eakao N, Tano T, Hiraishi A (1995) Transfer of Acidiphilium facilis and Acidiphilium aminolytica to the genus Acidocella gen. nov., and emendation of the genus Acidiphilium. Syst Appl Microbiol 18: 85-91.
74. Kletzin A, Lieke A, Urich T, Charlebois RL, Sensen CW (1999) Molecular analysis of pDL10 from Acidianus ambivalens reveals a family of related plasmids from extremely thermophilic and acidophilic archaea. Genetics 152: 1307-1314.
75. Kocabayak S, Ozel H (2007) An extracellular Pepstatin insensitive acid protease produced by Thermoplasma volcanium. Biores Technol 98: 112-117.
76. Koma D, Sawai T, Harayama S, Kino K (2006) Overexpression of the genes from thermophiles in Escherichia coli at high-temperature cultivation. Appl Microbiol Biotechnol 73: 172-180.
77. Kurosawa N, Itoh YH, Iwai T, Sugai A, Uda I, Kimura N, Horiuchi T, Itoh T (1998) Sulfurisphaera ohwakuensis gen. nov., sp. nov., a novel extremely thermophilic acidophile of the order Sulfolobales. Int J Syst Bacteriol 48: 451-456.
78. Kurosawa N, Fukuda K, Itoh YH, Horiuchi T (2000) Partial purification and characterization of thermostable acid phosphatase from thermoacidophilic archaeon Sulfolobus acidocaldarius. Curr Microbiol 40: 57-60.
79. Limauro DR, Cannio G, Fiorentino MR, Bartolucci S (2001) Identification and molecular characterization of an endoglucanase gene, CelS, from the extremely thermophilic archaeon Sulfolobus solfataricus. Extremophiles 5: 213-219.
80. Liu XD, Xu Y (2008) A novel raw starch digesting α-amylase from a newly isolated Bacillus sp. YX-1: purification and characterization. Biores Technol 99: 4315-4320.
81. Lobos JH, Chisholm TE, Bopp LH, Holmes DS (1986) Acidiphilium organovorum sp. nov., an acidophilic heterotroph isolated from a Thiobacillus ferrooxidans culture. Int J Syst Bacteriol 36: 139-144.
82. Macalady JL, Vestling MM, Baumler D, Boekelheide N, Kaspar CW, Banfield JF (2004) Tetraether-linked membrane monolayers in Ferroplasma spp: a key to survival in acid. Extremophiles 8: 411-419.
83. Manabe F, Itoh YH, Shoun H, Wakagi T (2009) Membrane-bound acid pyrophosphatase from Sulfolobus tokodaii, a thermoacidophilic archaeon: heterologous expression of the gene and characterization of the product. Extremophiles 13: 859-865.
84. Manabe F, Shoun H, Wakagi T (2011) Conserved residues in membrane-bound acid pyrophosphatase from Sulfolobus tokodaii, a thermoacidophilic archaeon. Extremophiles 15: 359-364.
85. Marciniszyn J, Hartsuck JA, Tang J (1976) Mode of inhibition of acid proteases by pepstatin. J Biol Chem 251: 7088-7094.
86. Markosyan GE (1972) A new iron-oxidizing bacterium Leptospirillum ferrooxidans gen. nov., sp. nov. Biol J Armenia 25: 26-29.
87. Markosyan GE (1973) A new mixotrophic sulphur bacterium developing in acid media, Thiobacillus organoparus sp. Dokl Akad Nauk SSSR 211: 1205-1208.
88. Matin A (1999) pH homeostasis in acidophiles. Novartis Found Sym 221: 152-163.
89. Matzke J, Herrmann A, Schneider E, Bakker EP (2000) Gene cloning, nucleotide sequence and biochemical properties of a cytoplasmic cyclomaltodextrinase (neopullulanase) from Alicyclobacillus acidocaldarius, reclassification of a group of enzymes. FEMS Microbiol Lett 183: 55-61.
90. Matzke J, Schwermann B, Baker EP (1997) Acidostable and acidophilic proteins: the example of the α- amylase from Alicyclobacillus acidocaldarius. Comp Biochem Physiol 118A: 475-479.
91. Maurelli L, Giovane A, Esposito A, Moracci M, Fiume I, Rossi M, Morana A (2008) Evidence that the xylanase activity from Sulfolobus solfataricus Oα is encoded by the endoglucanase precursor gene (sso1354) and characterization of the associated cellulase activity. Extremophiles 12: 689-700.
92. Miura Y, Kettoku M, Kato M, Kobayashi K, Kondo K (1999) High level production of thermostable alpha-amylase from Sulfolobus solfataricus in high-cell density culture of the food yeast Candida utilis. J Mol Microbiol Biotechnol 1: 129-134.
93. Murao S, Okhuni K, Naganao M (1988) A novel thermostable S-PI (pepstatin Ac)-insensitive acid proteinase from thermophilic Bacillus novo sp. strain Mn-32. Agric Biol Chem 52: 1029-1031.
94. Nakada T, Ikegami S, Chaen H, Kubota M, Fukuda S, Sugimoto T, Kurimoto M, Tsujisaka Y (1996a) Purification and characterization of thermostable maltooligosyl trehalose synthese from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius. Biosci Biotechnol Biochem 60: 263-266.
95. Nakada T, Ikegami S, Chaen H, Kubota M, Fukuda S, Sugimoto T, Kurimoto M, Tsujisaka Y (1996b) Purification and characterization of thermostable maltooligosyl trehalose trehalohydrolase from thermoacidophilic archaebacterium Sulfolobus acidocaldarius. Biosci Biotechnol Biochem 60: 267-270.
96. Nakayama T, Tsuruoka N, Akai M, Nishino T (2000) Thermostable collagenolytic activity of a novel thermophilic isolate, Bacillus sp. Strain NTAP-1. J Biosci Bioeng 89: 612-614.
97. Neilsen JE, Borchert TV, Vriend G (2001) The determinants of α-amylase pH-activity profiles. Protein Eng 14: 505-512.
98. Norris PR (1990) Microbial Mineral Recovery. In: Ehrlich HL, Brierley CL (eds) Acidophilic bacteria and their activity in mineral sulfide oxidation. McGraw-Hill, New York, pp 1-27.
99. Norris PR, Clark DA, Owen JP, Waterhouse S (1996) Characteristics of Sulfobacillus acidophilus sp. nov. and other moderately thermophilic mineral-sulfide-oxidizing bacteria. Microbiology 142: 775-783.
100. Nouailler M, Bruscella P, Lojou E, Lebrun R, Bonnyfoy V, Guerlesquin F (2006) Structural analysis of the HiPIP from the acidophilic bacteria: Acidithiobacillus ferrooxidans. Extremophiles 10: 191-198.
101. Oda K, Nakazima T, Terashita T, Suziki KA, Murao S (1987a) Purification and properties of an S-PI (Pepstatin Ac) insensitive carboxyl proteinase from a Xanthomonas sp. Bacterium. Agric Biol Chem 51: 3073-3080.
102. Oda K, Sugitani M, Fukuhara K, Murao S (1987b) Purification and properties of a pepstatin-insensitive carboxyl proteinase from a gram negative bacterium. Biochim Biophys Acta 923: 463-469.
103. Page-Sharp M, Behm CA, Smith GD (1999) Involvement of the compatible solutes trehalose and sucrose in the response to salt stress of a cynobacterial Scytonema species isolated from desert soil. Biochim Biophys Acta 1472: 519-528.
104. Prescott M, Peek K, Daniel RM (1995) Characterization of a thermostable pepstatin-insensitive acid proteinase from a Bacillus sp. Int J Biochem 27: 729-739.
105. Rajagopalan TG, Stein WH, Moore S (1966) The inactivation of pepsin by diazoacetylnorleucine methyl ester. J Biol Chem 241: 4295-4297.
106. Ren-Long J, Wu J, Chaw S-M, Tsai C-W, Tsen S-D (1999) A novel species of thermoacidophilic archaeon, Sulfolobus yangmingensis sp. nov. Int J Syst Bacteriol 49: 1809-1816.
107. Richards AB, Krakowka S, Dexter LB, Schmid H, Wolterbeek AP, Waalkens-Berendsen DH, Shigoyuki A, Kurimoto M (2002) Trehalose: a review of properties, history of use and human tolerance and results of multiple safety studies. Food Chem Toxicol 40: 871-898.
108. Richardson TH, Tan X, Frey G, Callen W, Cabell M, Lam D, Macomber J, Short JM, Robertson DE, Miller C (2002) A novel, high performance enzyme for starch liquefaction. Discovery and optimization of a low pH, thermostable alpha amylase. J Biol Chem 277: 26501-26507.
109. Rolfsmeier M, Haseltine C, Bini E, Clark A, Blum P (1998) Molecular characterization of the α-glucosidase gene (malA) from the hyperthermophilic archaeon Sulfolobus solfataricus. J Bacteriol 180: 1287-1295.
110. Romonsellez F, Orell A, Jerez CA (2006) Copper tolerance of the thermoacidophilic archaeon Sulfolobus metallicus: possible role of polyphosphate metabolism. Microbiology 152: 59-66.
111. Rubin-Pitel SB, Zhao H (2006) Recent advances in biocatalysis by directed enzyme evolution. Comb Chem High Throughput Screen 9: 247-257.
112. Ruepp A, Graml W, Santos-Martinez ML, Koretke KK, Volker C, Mewes WH, Freishman D, Stocker S, Lupas NA, Baumeister W (2000) The genome sequence of thermoacidophilic scavenger Thermoplasma acidophilum. Nature 407: 508-513.
113. Sajedi RH, Naderi-Mahesh H, Khajeh K, Ahmadvand R, Ranjbar BA, Asoodeh A, Moradian F (2005) A calcium independent α-amylase that is active and stable at low pH from the Bacillus sp. KR-8104. Enzym Microbiol Technol 36: 666-671.
114. Schafer K, Magnusson U, Scheffel AS, Sandgren MOJ, Diederichs K, Welte W, Hulsmann A, Schneider E, Mowbray SL (2004) X-ray structures of the maltose maltodextrin binding protein of the thermoacidophilic bacterium Alicyclobacillus acidocaldarius provide insight into acidostability of the proteins. J Mol Biol 335: 261-274.
115. Schelert J, Dixit V, Hoang V, Simbahan J, Drozda M, Blum P (2004) Occurence and characterizaton of mercury resistance in the hyperthermophilic archaeon Sulfolobus solfataricus by use of gene disruption. J Bacteriol 186: 427-437.
116. Schelert J, Drozda M, Dixit V, Dillman A, Blum P (2006) Regulation of mercury resistance in the crenarchaeote Sulfolobus solfataricus. J Bacteriol 188: 7141-7150.
117. Schepers B, Thiemann V, Antranikian G (2006) Characterization of a novel glucoamylase from the thermoacidophilic archaeon Picrophilus torridus heterologously expressed in E. coli. Eng Life Sci 6: 311-317.
118. Schleper C, Puehler G, Holz I, Gambacorta A, Janekovic D, Santarius U (1995) Picrophilus gen. nov., fam. Nov. a novel aerobic, heterotrophic, thermoacidophilic genus and family comprising archaea capable of growth around pH 0. J Bacteriol 177: 7050-7059.
119. Schwermann B, Pfau K, Liliensiek B, Schleyer M, Fischer T, Bakker EP (1994) Purification, properties and structural aspects of the thermoacidophilic α-amylase from Alicyclobacillus acidocaldarius ATCC 27009. Insight into acidostability of proteins. Eur J Biochem 226: 981-991.
120. Segerer A, Langworthy TA, Stetter KO (1988) Thermoplasma acidophilum and Thermoplasma volcanium sp. nov. from solfatara fields. Syst Appl Microbiol 10: 161-171.
121. Segerer A, Neuner A, Kristjansson JK, Stetter KO (1986) Acidanus infermus gen. nov., sp. nov., and Acidanus brierleyi comb. nov.: facultatively aerobic, extremely acidophlic thermophilic sulphur-metabolizing archaebacteria. Int J Syst Bacteriol 36: 559-564.
122. Segerer A, Stetter KO, Klink F (1985) Two contrary modes of chemolithotrophy in the same archaebacterium. Nature 313: 787-789.
123. Segerer A, Trincone A, Gahrtz M, Stetter KO (1991) Stygiolobus azoricus gen. nov. represents a novel genus of anaerobic, extremely thermoacidophilic archaea of the order Sulfolobales.Int J Syst Bacteriol 41: 495.
124. Sen S, Dasu VV, Mandal B (2007) Development in directed evolution for improving enzyme functions. Appl Biochem Biotechnol 143: 212-223.
125. Serour E, Antranikian G (2002) Novel thermoactive glucamylases from the thermoacidophilic Archaea Thermoplasma acidophilum, Picrophilus torridus and Picrophilus oshimae. Antonie van Leewenhock 81: 73-83.
126. 2+-independent and acid stable α-amylase from a novel acidophilic bacterium Bacillus acidicola TSAS1. Biotechnol Lett 32: 1503-1507.
127. 2+-independent α-amylase by Bacillus acidicola. J Biosci Bioeng 111: 550-553.
128. She Q, Singh RK, Confalonieri F, Zivanovic Y, Allard G, Awayez MJ, Chan-Weiher CC, Clausen IG, Curtis BA, De Moors A, Erauso G, Fletcher C, Gordon PM, Heikamp-de Jong I, Jeffries AC, Kozera CJ, Medina N, Peng X, Thi-Ngoc HP, Redder P, Schenk ME, Theriault C, Tolstrup N, Charlebois RL, Doolittle WF, Duguet M, Gaasterland T, Garrett RA, Ragan MA, Sensen CW, Vander OJ (2001) The complete genome of the crenarchaeon Sulfolobus solfataricus P2. Proc Natl Acad Sci USA 98: 7835-7840.
129. Tang J (1971) Specific and irreversible inactivation of pepsin by substrate-like epoxides. J Biol Chem 246: 4510-4517.
130. Toogood SH, Prescott M, Daniel MR (1995) A pepstatin-insensitive aspartic proteinase from a thermophilic Bacillus sp. Biochem J 307: 783-789.
131. Tsuruoka N, Nakayama T, Ashida M, Hemmi H, Nakao M, Minakata H, Oyama H, Oda K, Nishino T (2003) Collagenolytic serine-carboxyl proteinase from Alicyclobacillus sendaiensis strain NTAP-1: purification, characterization, gene cloning and heterologous expression. Appl Environ Microbiol 69: 162-169.
132. Verhaert RM, Beekwilder J, Olsthoorn R, van DJ, Quax WJ (2002) Phage display selects for amylases with improved low pH starch binding. J Biotechnol 96: 103-118.
133. Vossenberg JL, Driessen AJ, Zillig W, Konings WN (1998) Bioenergetics and cytoplasmic membrane stability of the extremely acidophilic, thermophilic archaeon Picrophilus oshimae. Extremophiles 2: 67-74.
134. Wakao N, Hiraishi A, Nagasawa N, Matsuura T, Matsumoto T, Sakurai Y, Shiota H (1994) Acidiphilium multivorum sp. nov., an acidophilic chemoorganotrophic bacterium from pyritic acid mine drainage. J Gen Appl Microbiol 40: 143-159.
135. Wichlacz PL, Unz RF, Langworthy TA (1986) Acidiphilium angustum sp. nov., Acidiphilium facilis sp. nov., Acidiphilium rubrum sp. nov. Acidophilic heterotrophic bacteria isolated from acidic coal mine drainage. Int J Syst Bacteriol 36: 197-201.
136. Wisotzkey JD, Jurtshuk P, Fox GE, Deinhard G, Poralla K (1992) Comparative sequence analyses on the 16S ribosomal-RNA (rDNA) of Bacillus acidocaldarius, Bacillus acidoterrestris, and Bacillus cycloheptanicus and proposal for creation of a new genus, Alicyclobacillus gen. nov. Int J Syst Bacteriol 42: 263-269.
137. Worthington P, Hoang V, Perez-Pomares F, Blum P (2003) Targeted disruption of the α-amylase gene in the hyperthermophilic archaeon Sulfolobus solfataricus. J Bacteriol 185: 482-488.
138. Xiang X, Dong X, Huang L (2003) Sulfolobus tengchongensis sp. nov., a novel thermoacidophilic archaeaon isolated from a hot spring in Tengchong, China. Extremophiles 7: 493-498.
139. Yamashiro K, Yokobori S, Oshima TE, Yamagishi A (2006) Structural analysis of the plasmid pTA1 isolated from the thermoacidophilic archaeon Thermoplasma acidophilum. Extremophiles 10: 327-335.
140. Yasuda M, Yamagishi A, Oshima T (1995) The plasmids found in isolates of the acidothermophilic archaebacterium Thermoplasma acidophilum. FEMS Microbiol Lett 128: 157-162.
141. Zhao Q, Liu H, Zhang Y, Zhang Y (2010) Engineering of protease-resistant phytase from Penicillium sp.: high thermal stability, low optimal temperature and pH. J Biosci Bioeng 110: 638-645.
142. Zillig W, Boeck A (1987) In Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 23. Int J Syst Bacteriol 37: 179-180.
143. Zillig W, Stetter KO, Wunderl S, Schultz W, Priess H, Scholz I (1980) In Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 5. Int J Syst Bacteriol 30: 676-677.
144. Zillig W, Yeats S, Holz I, Boeck A, Rettenberger M, Gropp F, Simon G (1986) Desulfurolobus ambivalens, gen. nov., sp. nov., an autotrophic archaebacterium facultatively oxidizing or reducing sulphur. Syst Appl Microbiol 8: 197-203.