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Genus Thermus

Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow () only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).

Number of species cited in this file: 19
Number of subspecies cited in this file: 0

Classification (Warning: see also the file "Classification of prokaryotes: Introduction").


For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).


 

Thermus Brock and Freeze 1969, genus. (Type genus of the order ¤ Thermales Rainey and Da Costa 2002; type genus of the family ¤ Thermaceae Da Costa and Rainey 2002).
Type species: ¤ Thermus aquaticus Brock and Freeze 1969 (Approved Lists 1980).
Etymology: Gr. adj. thermos, hot; N.L. masc. n. Thermus, to indicate an organism living in hot places.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: BROCK (T.D.) and FREEZE (H.): Thermus aquaticus gen. n. and sp. n. a non-sporulating extreme thermophile. Journal of Bacteriology, 1969, 98, 289-297.

Thermus Brock and Freeze 1969 (Approved Lists 1980) emend. Nobre et al. 1996.
Type species: ¤ Thermus aquaticus Brock and Freeze 1969 (Approved Lists 1980).
Etymology: Gr. adj. thermos, hot; N.L. masc. n. Thermus, to indicate an organism living in hot places.
Reference: NOBRE (M.F.), TRÜPER (H.G.) and DA COSTA (M.S.): Transfer of Thermus ruber (Loginova et al. 1984), Thermus silvanus (Tenreiro et al. 1995), and Thermus chliarophilus (Tenreiro et al. 1995) to Meiothermus gen. nov. as Meiothermus ruber comb. nov., Meiothermus silvanus comb. nov., and Meiothermus chliarophilus comb. nov., respectively, and emendation of the genus Thermus. Int. J. Syst. Bacteriol., 1996, 46, 604-606.
Original article in IJSEM Online

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Thermus amyloliquefaciens Yu et al. 2015, sp. nov.
Type strain: (see also StrainInfo.net) YIM 77409=DSM 25898=KCTC 32024.
Sequence accession no. (16S rRNA) for the type strain: KP284528.
Etymology: Gr. n. amylon, starch; L. v. liquefacio, to make liquid, to melt, dissolve, liquefy; N.L. part. adj. amyloliquefaciens, starch digesting.
Source: Environmental.
Valid publication: YU, T. T., MING, H., YAO, J. C., ZHOU, E. M., PARK, D. J., HOZZEIN, W. N., KIM, C. J., WADAAN, M. A. and LI, W. J. 2015. Thermus amyloliquefaciens sp. nov., isolated from a hot spring sediment sample. Int. J. Syst. Evol. Microbiol., 65, 2491-2495.
Original article in IJSEM Online

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Thermus antranikianii Chung et al. 2000, sp. nov.
Type strain: (see also StrainInfo.net) HN3-7 = ATCC 700961= DSM 12462.
Sequence accession no. (16S rRNA gene) for the type strain: Y18411.
Etymology: N.L. masc. n. antranikianii, of Antranikian, named in honour of Garabed Antranikian, for his contribution to our knowledge of thermophilic and hyperthermophilic organisms
Reference: CHUNG (A.P.), RAINEY (F.A.), VALENTE (M.), NOBRE (M.F.) and da COSTA (M.S.): Thermus igniterrae sp. nov. and Thermus antranikianii sp. nov., two new species from Iceland. Int. J. Syst. Evol. Microbiol., 2000, 50, 209-217.
Original article in IJSEM Online

Note: The specific epithet is a genitive noun (N.L. antranikianii in honour of Garabed Antranikian), not a N.L. adjective as cited in the paper by Chung et al. 2000.

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Thermus aquaticus Brock and Freeze 1969, species. (Type species of the genus.)
Type strain: (see also StrainInfo.net) ATCC 25104= DSM 625 = JCM 10724 = LMG 8924 = NBRC 103206 = NCAIM B.01703 = NCIB (now NCIMB) 11243.
Sequence accession no. (16S rRNA gene) for the type strain: L09663.
Etymology: L. masc. adj. aquaticus, living, growing, or found in or by the water, aquatic.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: BROCK (T.D.) and FREEZE (H.): Thermus aquaticus gen. n. and sp. n. a non-sporulating extreme thermophile. Journal of Bacteriology, 1969, 98, 289-297.

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Thermus arciformis Zhang et al. 2010, sp. nov.
Type strain: (see also StrainInfo.net) TH92 = CGMCC 1.6992 = JCM 15153.
Sequence accession no. (16S rRNA gene) for the type strain: EU247889.
Etymology: L. n. arcus, a bow or a building arch; L. masc. suff. -formis (from L. n. forma, shape, appearance), in the shape of; N.L. masc. adj. arciformis, bow-shaped, indicating one particular cell morphology.
Valid publication: ZHANG (X.Q.), YING (Y.), YE (Y.), XU (X.W.), ZHU (X.F.) and WU (M.): Thermus arciformis sp. nov., a thermophilic species from a geothermal area. Int. J. Syst. Evol. Microbiol., 2010, 60, 834-839.
Original article in IJSEM Online

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Thermus brockianus Williams et al. 1995, sp. nov.
Type strain: (see also StrainInfo.net) YS38 (which was isolated by R.J. Sharp from Pine Spring in Yellowstone National Park) = JCM 11602 = NCIB (now NCIMB) 12676 (listed in the 1994 catalog as "Thermus brockii").
Sequence accession no. (16S rRNA gene) for the type strain: Z15062.
Etymology: N.L. masc. adj. brockianus, named after Thomas D. Brock.
Valid publication: WILLIAMS (R.A.D.), SMITH (K.E.), WELCH (S.G.), MICALLEF (J.) and SHARP (R.J.): DNA relatedness of Thermus strains, description of Thermus brockianus sp. nov., and proposal to reestablish Thermus thermophilus (Oshima and Imahori). Int. J. Syst. Bacteriol., 1995, 45, 495-499.
Original article in IJSEM Online

Note: Strain NCIB (now NCIMB) 12676 is designated as the type strain by way of an author's correction.
Reference: Author's correction. Int. J. Syst. Bacteriol., 1996, 46, 629.
Original article in IJSEM Online

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Thermus caliditerrae Ming et al. 2014, sp. nov.
Type strain: (see also StrainInfo.net) YIM 77925=DSM 25901=CCTCC 2012061.
Sequence accession no. (16S rRNA) for the type strain: KC852874.
Whole-genome sequence accession no. for the type strain: N/A.
Etymology: L. adj. calidus, hot; L. n. terra, soil, earth; N.L. gen. n. caliditerrae, of a hot soil, referring to where the strain was isolated.
Source: Environmental.
Valid publication: MING, H., YIN, Y.-R., LI, S., NIE, G.-X., YU, T.-T., ZHOU, E.-M., LIU, L., DONG, L. and LI, W.-J. 2014. Thermus caliditerrae sp. nov., a novel thermophilic species isolated from a geothermal area. Int. J. Syst. Evol. Microbiol., 64, 650-656.
Original article in IJSEM Online

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Thermus chliarophilus Tenreiro et al. 1995, sp. nov.
Type strain: (see also StrainInfo.net) ALT-8 = ATCC 700543= DSM 9957.
Sequence accession no. (16S rRNA gene) for the type strain: X84212.
Etymology: Gr. adj. chliaros, warm; N.L. masc. adj. philus (from Gr. masc. adj. philos), friend, loving; N.L. masc. adj. chliarophilus, warmth loving.
Valid publication: TENREIRO (S.), NOBRE (M.F.) and DA COSTA (M.S.): Thermus silvanus sp. nov. and Thermus chliarophilus sp. nov. two new species related to Thermus ruber but with lower growth temperatures. Int. J. Syst. Bacteriol., 1995, 45, 633-639.
Original article in IJSEM Online

¤ Meiothermus chliarophilus (Tenreiro et al. 1995) Nobre et al. 1996, comb. nov.

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Thermus composti Vajna et al. 2012, sp. nov.
Type strain: (see also StrainInfo.net) K-39 = DSM 21686 = NCAIM B 02340.
Sequence accession no. (16S rRNA gene) for the type strain: EU701067.
Etymology: N.L. gen. n. composti, of/from compost.
Valid publication: VAJNA (B.), KANIZSAI (S.), KÉKI (Z.), MÁRIALIGETI (K.), SCHUMANN (P.) and TÓTH (E.M.): Thermus composti sp. nov., isolated from oyster mushroom compost. Int. J. Syst. Evol. Microbiol., 2012, 62, 1486-1490.
Original article in IJSEM Online

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Thermus filiformis Hudson et al. 1987, sp. nov. 
Type strain: (see also StrainInfo.net) Wai33 A1 = ATCC 43280= DSM 4687 = JCM 11600.
Sequence accession no. (16S rRNA gene) for the type strain: X58345 (type strain ATCC 43280, FR749950 (type strain DSM 4687, clone 1), FR749951 (type strain DSM 4687, clone 2), FR749952 (type strain DSM 4687, clone 3).
Etymology: L. n. filum, thread; L. adj. suffix -formis (from L. n. forma, figure, shape, appearance), -like, in the shape of; N.L. masc. adj. filiformis, thread shaped.
Valid publication: HUDSON (J.A.), MORGAN (H.W.) and DANIEL (R.M.): Thermus filiformis sp. nov., a filamentous caldoactive bacterium. Int. J. Syst. Bacteriol., 1987, 37, 431-436.
Original article in IJSEM Online

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Thermus igniterrae Chung et al. 2000, sp. nov.
Type strain: (see also StrainInfo.net) RF-4 = ATCC 700962= DSM 12459.
Sequence accession no. (16S rRNA gene) for the type strain: Y18406.
Etymology: L. n. ignis, fire; L. n. terra, land, earth; N.L. gen. n. igniterrae, of the land of fire, referring to Iceland
Reference: CHUNG (A.P.), RAINEY (F.A.), VALENTE (M.), NOBRE (M.F.) and da COSTA (M.S.): Thermus igniterrae sp. nov. and Thermus antranikianii sp. nov., two new species from Iceland. Int. J. Syst. Evol. Microbiol., 2000, 50, 209-217.
Original article in IJSEM Online

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Thermus islandicus Bjornsdottir et al. 2009, sp. nov.
Type strain: (see also StrainInfo.net) PRI 3838 = PRI-3838 = ATCC BAA-1677 = DSM 21543.
Sequence accession no. (16S rRNA gene) for the type strain: EU753247.
Etymology: N.L. masc. adj. islandicus, from Iceland, pertaining to the location of its first isolation.
Valid publication: BJORNSDOTTIR (S.H.), PETURSDOTTIR (S.K.), HREGGVIDSSON (G.O.), SKIRNISDOTTIR (S.), HJORLEIFSDOTTIR (S.), ARNFINNSSON (J.) and KRISTJANSSON (J.K.): Thermus islandicus sp. nov., a mixotrophic sulfur-oxidizing bacterium isolated from the Torfajokull geothermal area. Int. J. Syst. Evol. Microbiol., 2009, 59, 2962-2966.
Original article in IJSEM Online

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Thermus oshimai Williams et al. 1996, sp. nov.
Type strain: (see also StrainInfo.net) SPS17 = ATCC 700435= JCM 11603 = NCIMB 13400.
Sequence accession no. (16S rRNA gene) for the type strain: Y18416.
Etymology: N.L. gen. n. oshimai, of Oshina, named after Tairo Oshima.
Valid publication: WILLIAMS (R.A.D.), SMITH (K.E.), WELCH (S.G.) and MICALLEF (J.): Thermus oshimai sp. nov., isolated from hot springs in Portugal, Iceland, and the Azores, and comment on the concept of a limited geographical distribution of Thermus species. Int. J. Syst. Bacteriol., 1996, 46, 403-408.
Original article in IJSEM Online

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Thermus profundus (sic) Kobayashi et al. 1995, sp. nov.
Type strain: (see also StrainInfo.net) DT 5432.
Sequence accession no. (16S rRNA gene) for the type strain: not found.
Etymology: L. masc. adj. profundus, deep, living within the depths of the oceans.
Valid publication: Validation List no. 52. Int. J. Syst. Bacteriol., 1995, 45, 197-198.
Effective publication: KOBAYASHI (T.), KWAK (Y.S.), AKIBA (T.), KUDO (T.) and HORIKOSHI (K.): Thermococcus profundus sp. nov., a new hyperthermophilic archaeon isolated from a deep-sea hydrothermal vent. Syst. Appl. Microbiol., 1994, 17, 232-236.
Validation List no. 52 in IJSEM Online

Note: Thermus profundus Kobayashi et al. 1995 (Validation List no. 52) is an incorrect name and the correct entry ¤ Thermococcus profundus Kobayashi et al. 1995 appears in Validation List no. 53 [1]. So, Thermus profundus should be disregarded on List no. 52 [2].
References:
1 Validation List no. 53. Int. J. Syst. Bacteriol., 1995, 45, 418-419.
Validation List no. 53 in IJSEM Online
2 EUZÉBY (J.P.) and KUDO (T.): Corrigenda to the Validation Lists. Int. J. Syst. Evol. Microbiol., 2001, 51, 1933-1938.
Original article by Euzéby and Kudo in IJSEM Online

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Thermus ruber (ex Loginova et al.1975) Loginova et al. 1984, sp. nov., nom. rev.
Type strain: (see also StrainInfo.net) Loginova strain 21 = ATCC 35948= AUCM 1258 = DSM 1279 = VKM B-1258.
Sequence accession no. (16S rRNA gene) for the type strain: Z15059.
Synonym: "Thermus ruber" Loginova et al.1975.
Etymology: L. masc. adj. ruber, red.
Valid publication: LOGINOVA (L.G.), EGOROVA (L.A.), GOLOVACHEVA (R.S.) and SEREGINA (L.M.): Thermus ruber sp. nov., nom. rev. Int. J. Syst. Bacteriol., 1984, 34, 498-499.
Original article in IJSEM Online

¤ Meiothermus ruber (Loginova et al. 1984) Nobre et al. 1996, comb. nov.

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Thermus scotoductus Kristjansson et al. 1994, sp. nov.
Type strain: (see also StrainInfo.net) SE-1 = ATCC 51532= DSM 8553 = JCM 11601.
Sequence accession no. (16S rRNA gene) for the type strain: AF032127.
Etymology: Gr. n. skotos, darkness; L. masc. n. ductus, Roman water duct; N.L. masc. n. scotoductus, intended to mean living in pipes and producing a dark pigment.
Valid publication: Validation List no. 50. Int. J. Syst. Bacteriol., 1994, 44, 595.
Effective publication: KRISTJANSSON (J.K.), HJORLEIFSDOTTIR (S.), MARTEINSSON (V.T.) and ALFREDSSON (G.A.): Thermus scotoductus, sp. nov., a pigment-producing thermophilic bacterium from hot tap water in Iceland and including Thermus sp. X-1. Syst. Appl. Microbiol., 1994, 17, 44-50.
Validation List no. 50 in IJSEM Online - Effective publication Online

Note: The species Thermus scotoductus (effective publication: Kristjansson et al. 1994, type strain: strain SE-1 = DSM 8553 = ATCC 51532 appears also on the Validation List no. 53 [1]. The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 50, published 1 July 1994) [2].
References:
1 Validation List no. 53. Int. J. Syst. Bacteriol., 1995, 45, 418-419.
2 EUZÉBY (J.P.) and KUDO (T.): Corrigenda to the Validation Lists. Int. J. Syst. Evol. Microbiol., 2001, 51, 1933-1938.
Original article by Euzéby and Kudo in IJSEM Online

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Thermus silvanus Tenreiro et al. 1995, sp. nov.
Type strain: (see also StrainInfo.net) VI-R2 = ATCC 700542= DSM 9946.
Sequence accession no. (16S rRNA gene) for the type strain: X84211.
Etymology: N.L. masc. adj. silvanus, named after Manuel T. Silva, Portuguese microbiologist and immunologist.
Valid publication: TENREIRO (S.), NOBRE (M.F.) and DA COSTA (M.S.): Thermus silvanus sp. nov. and Thermus chliarophilus sp. nov. two new species related to Thermus ruber but with lower growth temperatures. Int. J. Syst. Bacteriol., 1995, 45, 633-639.
Original article in IJSEM Online

¤ Meiothermus silvanus (Tenreiro et al. 1995) Nobre et al. 1996, comb. nov.

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Thermus tengchongensis Yu et al. 2013, sp. nov.
Type strain: (see also StrainInfo.net) YIM 77924=KCTC 32025=CCTCC AB 2012063.
Sequence accession no. (16S rRNA) for the type strain: JX112365.
Etymology: -.
Source: Environmental - soil.
Valid publication: Validation List no. 153. List of new names and new combinations previously effectively, but not validly, published. Int. J. Syst. Evol. Microbiol., 63 (2013), 3131-3134.
Validation List Online
Effective publication: YU, T.-T., YAO, J.-C., MING, H., YIN, Y.-R., ZHOU, E.-M., LIU, M.-J., TANG, S.-K. and LI, W.-J. 2013. Thermus tengchongensis sp. nov., isolated from a geothermally heated soil sample in Tengchong, Yunnan, south-west China. Antonie van Leeuwenhoek, 103, 513-518.
Effective publication Online

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Thermus thermophilus (ex Oshima and Imahori 1974) Williams et al. 1995, sp. nov.
Type strain: (see also StrainInfo.net) HB8 = ATCC 27634= DSM 579 = JCM 10941 = NBRC 101084 = NCIMB 11244.
Sequence accession no. (16S rRNA gene) for the type strain: X07998.
Synonym: "Thermus thermophilus" Oshima and Imahori 1974.
Etymology: Gr. n. thermê, heat; N.L. masc. adj. philus (from Gr. masc. adj. philos), friend, loving; N.L. masc. adj. thermophilus, heat-loving.
Valid publication: WILLIAMS (R.A.D.), SMITH (K.E.), WELCH (S.G.), MICALLEF (J.) and SHARP (R.J.): DNA relatedness of Thermus strains, description of Thermus brockianus sp. nov., and proposal to reestablish Thermus thermophilus (Oshima and Imahori). Int. J. Syst. Bacteriol., 1995, 45, 495-499.
Original article in IJSEM Online

Note: According to Rule 24b(2), Thermus thermophilus (ex Oshima and Imahori 1974) Williams et al. 1995 has priority over ¤ Thermus thermophilus (ex Oshima and Imahori 1974) Manaia et al. 1995. However, Williams et al. 1995 proposed the name Thermus thermophilus as valid only in the abstract of the publication without a formal proposal in the text, and did not present phenotypic results showing that the species could be distinguished from other species of the genus Thermus. For these reasons, the publication by Manaia et al. 1994 is considered the effective publication for the revival of the species Thermus thermophilus and the Validation List no. 54 is considered as the valid publication.
References:
1 DA COSTA (M.S.), NOBRE (M.F.) and RAINEY (F.A.): Genus I. Thermus Brock and Freeze 1969, 295AL emend. Nobre, Trüper and da Costa 1996b, 605. In: D.R. BOONE, R.W. CASTENHOLZ and G.M. GARRITY (editors): Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, pp. 404-414.
2 DE VOS (P.), TRÜPER (H.G.) and TINDALL (B.J.): Judicial Commission of the International Committee on Systematics of Prokaryotes Xth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 28, 29 and 31 July and 1 August 2002, Paris, France. Int. J. Syst. Evol. Microbiol., 2005, 55, 525-532.
Original article by De Vos et al. 2005 in IJSEM Online

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Thermus thermophilus (ex Oshima and Imahori 1974) Manaia et al. 1995, sp. nov., nom. rev., emend.
Type strain: (see also StrainInfo.net) HB8 = ATCC 27634= DSM 579 = JCM 10941 = NBRC 101084 = NCIMB 11244.
Sequence accession no. (16S rRNA gene) for the type strain: X07998.
Synonym: "Thermus thermophilus" Oshima and Imahori 1974.
Etymology: Gr. n. thermê, heat; N.L. masc. adj. philus (from Gr. masc. adj. philos), friend, loving; N.L. masc. adj. thermophilus, heat-loving.
Valid publication: Validation List no. 54. Int. J. Syst. Bacteriol., 1995, 45, 619-620.
Effective publication: MANAIA (C.M.), HOSTE (B.), GUTIERREZ (M.C.), GILLIS (M.), VENTOSA (A.), KERSTERS (K.) and DA COSTA (M.S.): Halotolerant Thermus strains from marine and terrestrial hot springs belong to Thermus thermophilus (ex Oshima and Imahori, 1974) nom. rev. emend. Syst. Appl. Microbiol., 1994, 17, 526-532.
Validation List no. 54 in IJSEM Online - Effective publication Online

Notes:
1 In Validation List no. 54, Thermus thermophilus (ex Oshima and Imahori 1974) Manaia et al. 1995 is erroneously proposed as a new combination.
Reference: EUZÉBY (J.P.) and KUDO (T.): Corrigenda to the Validation Lists. Int. J. Syst. Evol. Microbiol., 2001, 51, 1933-1938.
Original article in IJSEM Online
2 In Validation List no. 54, the type strain HB8 is cited as HB-8.
3 According to Rule 24b(2), ¤ Thermus thermophilus (ex Oshima and Imahori 1974) Williams et al. 1995 has priority over Thermus thermophilus (ex Oshima and Imahori 1974) Manaia et al. 1995. However, Williams et al. 1995 proposed the name Thermus thermophilus as valid only in the abstract of the publication without a formal proposal in the text, and did not present phenotypic results showing that the species could be distinguished from other species of the genus Thermus. For these reasons, the publication by Manaia et al. 1994 is considered the effective publication for the revival of the species Thermus thermophilus and the Validation List no. 54 is considered as the valid publication.
References:
1 DA COSTA (M.S.), NOBRE (M.F.) and RAINEY (F.A.): Genus I. Thermus Brock and Freeze 1969, 295AL emend. Nobre, Trüper and da Costa 1996b, 605. In: D.R. BOONE, R.W. CASTENHOLZ and G.M. GARRITY (editors): Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, pp. 404-414.
2 DE VOS (P.), TRÜPER (H.G.) and TINDALL (B.J.): Judicial Commission of the International Committee on Systematics of Prokaryotes Xth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 28, 29 and 31 July and 1 August 2002, Paris, France. Int. J. Syst. Evol. Microbiol., 2005, 55, 525-532.
Original article by De Vos et al. 2005 in IJSEM Online

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