Title

Genus Sphaerochaeta

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, including synonyms, cited in this file: 5
Number of subspecies, including synonyms, cited in this file: 0

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

 

Sphaerochaeta Ritalahti et al. 2012, gen. nov.
Type species: ¤ Sphaerochaeta globosa Ritalahti et al. 2012.
Etymology: Gr. n. sphaira (Latin transliteration sphaera), a sphere; Gr. fem. n. chaitê (Latin transliteration chaeta), long flowing hair; N.L. fem. n. Sphaerochaeta, round cells along threads of hair, indicative of a round morphology with a derivation from spirochaetal ancestry.
Valid publication: RITALAHTI (K.M.), JUSTICIA-LEON (S.D.), CUSICK (K.D.), RAMOS-HERNANDEZ (N.), RUBIN (M.), DORNBUSH (J.) and LÖFFLER (F.E.): Sphaerochaeta globosa gen. nov., sp. nov. and Sphaerochaeta pleomorpha sp. nov., free-living, spherical spirochaetes. Int. J. Syst. Evol. Microbiol., 2012, 62, 210-216.
Original article in IJSEM Online

→ Sphaerochaeta Ritalahti et al. 2012 emend. Abt et al. 2012 (authorship reads Abt, Göker, Kyrpides and Klenk).
References: List of Changes in Taxonomic Opinion no. 17. Int. J. Syst. Evol. Microbiol., 2013, 63, 8-9. [ABT (B.), HAN (C.), SCHEUNER (C.), LU (M.), LAPIDUS (A.), NOLAN (M.), LUCAS (S.), HAMMON (N.), DESHPANDE (S.), CHENG (J.F.), TAPIA (R.), GOODWIN (L.A.), PITLUCK (S.), LIOLIOS (K.), PAGANI (I.), IVANOVA (N.), MAVROMATIS (K.), MIKHAILOVA (N.), HUNTEMANN (M.), PATI (A.), CHEN (A.), PALANIAPPAN (K.), LAND (M.), HAUSER (L.), BRAMBILLA (E.M.), ROHDE (M.), SPRING (S.), GRONOW (S.), GÖKER (M.), WOYKE (T.), BRISTOW (J.), EISEN (J.A.), MARKOWITZ (V.), HUGENHOLTZ (P.), KYRPIDES (N.C.), KLENK (H.P.) and DETTER (J.C.): Complete genome sequence of the termite hindgut bacterium Spirochaeta coccoides type strain (SPN1T), reclassification in the genus Sphaerochaeta as Sphaerochaeta coccoides comb. nov. and emendations of the family Spirochaetaceae and the genus Sphaerochaeta. Stand. Genomic. Sci., 2012, 6, 194-209.]
List of Changes in Taxonomic Opinion no. 17 in IJSEM Online - Effective publication Online

→ Sphaerochaeta Ritalahti et al. 2012 emend. Abt et al. 2012 emend. Miyazaki et al. 2014.
Reference: MIYAZAKI, M., SAKAI, S., RITALAHTI, K. M., SAITO, Y., YAMANAKA, Y., SAITO, Y., TAME, A., UEMATSU, K., LÖFFLER, F. E., TAKAI, K. and IMACHI, H. 2014. Sphaerochaeta multiformis sp. nov., an anaerobic, psychrophilic bacterium isolated from subseafloor sediment, and emended description of the genus Sphaerochaeta. Int. J. Syst. Evol. Microbiol., 64, 4147-4154.
Original article.

→ Pleomorphochaeta Ritalahti et al. 2012 emend. Abt et al. 2012 emend. Miyazaki et al. 2014 emend. Arroua et al. 2017.
Reference: ARROUA, B., RANCHOU-PEYRUSE, A., RANCHOU-PEYRUSE, M., MAGOT, M., URIOS, L. and GRIMAUD, R. 2017. Pleomorphochaeta caudata gen. nov., sp. nov., an anaerobic bacterium isolated from an offshore oil well, reclassification of Sphaerochaeta multiformis MO-SPC2T as Pleomorphochaeta multiformis MO-SPC2T comb. nov. as the type strain of this novel genus and emended description of the genus Sphaerochaeta. Int. J. Syst. Evol. Microbiol., 67, 417-424.
Original article.

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Sphaerochaeta associata Troshina et al. 2015, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) GLS2=DSM 26261=VKM B-2742.
Sequence accession no. (16S rRNA gene) for the type strain: JN944166.
Whole-genome sequence accession no. for the type strain: -.
Etymology: N.L. fem. part. adj. associata, united with, occurring together, referring to isolation from binary cultures with M. mazei.
Source: Environmental.
Valid publication: TROSHINA, O., OSHURKOVA, V., SUZINA, N., MACHULIN, A., ARISKINA, E., VINOKUROVA, N., KOPITSYN, D., NOVIKOV, A. and SHCHERBAKOVA, V. 2015. Sphaerochaeta associata sp. nov., a spherical spirochaete isolated from cultures of Methanosarcina mazei JL01. Int. J. Syst. Evol. Microbiol., 65, 4315-4322.
Original article in IJSEM Online

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Sphaerochaeta coccoides (Dröge et al. 2006) Abt et al. 2012 (authorship reads Abt, Göker, Kyrpides and Klenk), comb. nov.
Type strain: (see also Global Catalogue of Microorganisms) SPN1 = ATCC BAA-1237 = DSM 17374.
Sequence accession no. (16S rRNA gene) for the type strain: AJ698092, CP002659 (complete genome).
Basonym: ¤ Spirochaeta coccoides Dröge et al. 2006.
Etymology: Gr. n. kokkos, a berry; L. fem. suff. -oides [from Gr. suff. -eides (from Gr. n. eidos, that which is seen, form, shape, figure)], ressembling, similar; N.L. fem. adj. coccoides, berry-shaped.
Valid publication: Validation List no. 147. Int. J. Syst. Evol. Microbiol., 2012, 62, 2045-2047.
Effective publication: ABT (B.), HAN (C.), SCHEUNER (C.), LU (M.), LAPIDUS (A.), NOLAN (M.), LUCAS (S.), HAMMON (N.), DESHPANDE (S.), CHENG (J.F.), TAPIA (R.), GOODWIN (L.A.), PITLUCK (S.), LIOLIOS (K.), PAGANI (I.), IVANOVA (N.), MAVROMATIS (K.), MIKHAILOVA (N.), HUNTEMANN (M.), PATI (A.), CHEN (A.), PALANIAPPAN (K.), LAND (M.), HAUSER (L.), BRAMBILLA (E.M.), ROHDE (M.), SPRING (S.), GRONOW (S.), GÖKER (M.), WOYKE (T.), BRISTOW (J.), EISEN (J.A.), MARKOWITZ (V.), HUGENHOLTZ (P.), KYRPIDES (N.C.), KLENK (H.P.) and DETTER (J.C.): Complete genome sequence of the termite hindgut bacterium Spirochaeta coccoides type strain (SPN1T), reclassification in the genus Sphaerochaeta as Sphaerochaeta coccoides comb. nov. and emendations of the family Spirochaetaceae and the genus Sphaerochaeta. Stand. Genomic. Sci., 2012, 6, 194-209.
Validation List no. 147 in IJSEM Online - Effective publication Online

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Sphaerochaeta globosa Ritalahti et al. 2012, sp. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) Buddy = ATCC BAA-1886 = DSM 22777.
Sequence accession no. (16S rRNA gene) for the type strain: AF357916.
Etymology: L. fem. adj. globosa, sphere-shaped, reflecting the characteristic morphology, wherein round cells form on spherical ‘bubbles’ during exponential growth.
Valid publication: RITALAHTI (K.M.), JUSTICIA-LEON (S.D.), CUSICK (K.D.), RAMOS-HERNANDEZ (N.), RUBIN (M.), DORNBUSH (J.) and LÖFFLER (F.E.): Sphaerochaeta globosa gen. nov., sp. nov. and Sphaerochaeta pleomorpha sp. nov., free-living, spherical spirochaetes. Int. J. Syst. Evol. Microbiol., 2012, 62, 210-216.
Original article in IJSEM Online

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Sphaerochaeta multiformis Miyazaki et al. 2014, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MO-SPC2=JCM 17281=DSM 23952.
Sequence accession no. (16S rRNA gene) for the type strain: AB598280.
Etymology: L. fem. adj. multiformis, many-shaped, multiform.
Source: Environmental - marine.
Valid publication: MIYAZAKI, M., SAKAI, S., RITALAHTI, K. M., SAITO, Y., YAMANAKA, Y., SAITO, Y., TAME, A., UEMATSU, K., LÖFFLER, F. E., TAKAI, K. and IMACHI, H. 2014. Sphaerochaeta multiformis sp. nov., an anaerobic, psychrophilic bacterium isolated from subseafloor sediment, and emended description of the genus Sphaerochaeta. Int. J. Syst. Evol. Microbiol., 64, 4147-4154.
Original article in IJSEM Online

→ ¤ Pleomorphochaeta multiformis (Miyazaki et al. 2014) Arroua et al. 2017, comb. nov.

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Sphaerochaeta pleomorpha Ritalahti et al. 2012, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) Grapes = ATCC BAA-1885 = DSM 22778.
Sequence accession no. (16S rRNA gene) for the type strain: AF357917.
Etymology: N.L. fem. adj. pleomorpha (from Gr. adj. pleos, full, and Gr. n. morphê, form, shape), having many shapes and sizes, pleomorphic, reflecting the characteristic morphological progression during phases of growth.
Valid publication: RITALAHTI (K.M.), JUSTICIA-LEON (S.D.), CUSICK (K.D.), RAMOS-HERNANDEZ (N.), RUBIN (M.), DORNBUSH (J.) and LÖFFLER (F.E.): Sphaerochaeta globosa gen. nov., sp. nov. and Sphaerochaeta pleomorpha sp. nov., free-living, spherical spirochaetes. Int. J. Syst. Evol. Microbiol., 2012, 62, 210-216.
Original article in IJSEM Online

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