Genus Slackia
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: 6
Number of subspecies, including synonyms, 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).
Slackia Wade et al. 1999, gen. nov.
Type species: ¤ Slackia exigua (Poco et al. 1996) Wade et al. 1999.
Etymology: N.L. fem. n. Slackia, named to honour Geoffrey Slack, distinguished British microbiologist and dental researcher.
Valid publication: WADE (W.G.), DOWNES (J.), DYMOCK (D.), HIOM (S.J.), WEIGHTMAN (A.J.), DEWHIRST (F.E.), PASTER (B.J.), TZELLAS (N.) and COLEMAN (B.): The family Coriobacteriaceae: reclassification of Eubacterium exiguum (Poco et al. 1996) and Peptostreptococcus heliotrinreducens (Lanigan 1976) as Slackia exigua gen. nov., comb. nov. and Slackia heliotrinireducens gen. nov., comb. nov., and Eubacterium lentum (Prevot 1938) as Eggerthella lenta gen. nov., comb. nov. Int. J. Syst. Bacteriol., 1999, 49, 595-600.
Original article in IJSEM Online
→ Slackia Wade et al. 1999 emend. Nagai et al. 2010.
Reference: NAGAI (F.), WATANABE (Y.) and MOROTOMI (M.): Slackia piriformis sp. nov. and Collinsella tanakaei sp. nov., new members of the family Coriobacteriaceae, isolated from human faeces. Int. J. Syst. Evol. Microbiol., 2010, 60, 2639-2646.
Original article in IJSEM Online
Slackia equolifaciens Jin et al. 2010, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) DZE = CCUG 58231 = JCM 16059.
Sequence accession no. (16S rRNA gene) for the type strain: EU377663.
Etymology: N.L. n. equol -olis, equol; L. part. adj. faciens, making; N.L. part. adj. equolifaciens, equol-producing.
Valid publication: JIN (J.S.), KITAHARA (M.), SAKAMOTO (M.), HATTORI (M.) and BENNO (Y.): Slackia equolifaciens sp. nov., a human intestinal bacterium capable of producing equol. Int. J. Syst. Evol. Microbiol., 2010, 60, 1721-1724.
Original article in IJSEM Online
Slackia exigua (Poco et al. 1996) Wade et al. 1999, comb. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) S-7 = ATCC 700122= CIP 105133 = JCM 11022.
Sequence accession no. (16S rRNA gene) for the type strain: AF101240.
Basonym: ¤ Eubacterium exiguum Poco et al. 1996.
Etymology: L. fem. adj. exigua, scanty, small, referring to the scanty or poor growth of this organism.
Valid publication: WADE (W.G.), DOWNES (J.), DYMOCK (D.), HIOM (S.J.), WEIGHTMAN (A.J.), DEWHIRST (F.E.), PASTER (B.J.), TZELLAS (N.) and COLEMAN (B.): The family Coriobacteriaceae: reclassification of Eubacterium exiguum (Poco et al. 1996) and Peptostreptococcus heliotrinreducens (Lanigan 1976) as Slackia exigua gen. nov., comb. nov. and Slackia heliotrinireducens gen. nov., comb. nov., and Eubacterium lentum (Prevot 1938) as Eggerthella lenta gen. nov., comb. nov. Int. J. Syst. Bacteriol., 1999, 49, 595-600.
Original article in IJSEM Online
Slackia faecicanis Lawson et al. 2005, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) 5WC12 = CCUG 48399 = CIP 108281 = JCM 14555.
Sequence accession no. (16S rRNA gene) for the type strain: AJ608686.
Etymology: L. n. faex faecis, faeces; L. gen. n. canis, of dog; N.L. gen. n. faecicanis, from dog faeces.
Valid publication: LAWSON (P.A.), GREETHAM (H.L.), GIBSON (G.R.), GIFFARD (C.), FALSEN (E.) and COLLINS (M.D.): Slackia faecicanis sp. nov., isolated from canine faeces. Int. J. Syst. Evol. Microbiol., 2005, 55, 1243-1246.
Original article in IJSEM Online
Slackia heliotrinireducens corrig. (Lanigan 1983) Wade et al. 1999, comb. nov.
Type strain: (see also Global Catalogue of Microorganisms) RHS1 = ATCC 29202= CCUG 47954 = DSM 20476 = JCM 14554 = NCTC 11029.
Sequence accession no. (16S rRNA gene) for the type strain: CP001684 (complete genome).
Basonym: ¤ Peptococcus heliotrinreducens corrig. Lanigan 1983.
Other synonym: ¤ Peptostreptococcus heliotrinreducens (Lanigan 1983) Ezaki and Yabuuchi 1986.
Etymology: N.L. n. heliotrinum, heliotrine, a pyrrolizidine alkaloid; L. part. adj. reducens, leading back, bringing back and in chemistry converting to a different oxidation state; N.L. part. adj. heliotrinireducens, referring to the organisms ability to bring about oxidative cleavage of the heliotrine molecule.
Valid publication: WADE (W.G.), DOWNES (J.), DYMOCK (D.), HIOM (S.J.), WEIGHTMAN (A.J.), DEWHIRST (F.E.), PASTER (B.J.), TZELLAS (N.) and COLEMAN (B.): The family Coriobacteriaceae: reclassification of Eubacterium exiguum (Poco et al. 1996) and Peptostreptococcus heliotrinreducens (Lanigan 1976) as Slackia exigua gen. nov., comb. nov. and Slackia heliotrinireducens gen. nov., comb. nov., and Eubacterium lentum (Prevot 1938) as Eggerthella lenta gen. nov., comb. nov. Int. J. Syst. Bacteriol., 1999, 49, 595-600.
Original article in IJSEM Online
Note: The spelling of the specific epithet, heliotrinreducens (sic), has been corrected to heliotrinireducens by Wade et al.
Slackia isoflavoniconvertens Matthies et al 2009, sp. nov.
Type strain: strain HE8 = CCUG 57679 = DSM 22006 = JCM 16137.
Sequence accession no. (16S rRNA gene) for the type strain: EU826403.
Etymology: N.L. n. isoflavonum, isoflavone; L. part. adj. convertens, converting; N.L. part. adj. isoflavoniconvertens, isoflavone converting.
Valid publication: Validation List no. 129. Int. J. Syst. Evol. Microbiol., 2009, 59, 2129-2130.
Effective publication: MATTHIES (A.), BLAUT (M.) and BRAUNE (A.): Isolation of a human intestinal bacterium capable of daidzein and genistein conversion. Appl. Environ. Microbiol., 2009, 75, 1740-1744.
Validation List no. 129 in IJSEM Online - Effective publication Online
Note: The culture collection accession number CCUG 57679 has been provided at the time of request for valid publication of the name.
Reference: ASSOCIATE EDITOR, IJSEM: Validation List no. 129 (footnote #). Int. J. Syst. Evol. Microbiol., 2009, 59, 2129-2130.
Validation List no. 129 in IJSEM Online
Slackia piriformis Nagai et al. 2010, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) YIT 12062 = DSM 22477 = JCM 16070.
Sequence accession no. (16S rRNA gene) for the type strain: AB490806.
Etymology: L. n. pirum, pear; L. fem. adj. suffix -formis, -like, in the shape of; N.L. fem. adj. piriformis, pear-shaped, referring to the cell shape.
Valid publication: NAGAI (F.), WATANABE (Y.) and MOROTOMI (M.): Slackia piriformis sp. nov. and Collinsella tanakaei sp. nov., new members of the family Coriobacteriaceae, isolated from human faeces. Int. J. Syst. Evol. Microbiol., 2010, 60, 2639-2646.
Original article in IJSEM Online