Genus Megasphaera
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: 9
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).
Megasphaera Rogosa 1971, genus.
Type species: ¤ Megasphaera elsdenii (Gutierrez et al. 1959) Rogosa 1971 (Approved Lists 1980).
Etymology: Gr. adj. megâs, big; L. fem. n. sphaera, a sphere; N.L. fem. n. Megasphaera, big sphere.
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: ROGOSA (M.): Transfer of Peptostreptococcus elsdenii Gutierrez et al. to a new genus, Megasphaera [M. elsdenii (Gutierrez et al. comb. nov.. International Journal of Systematic Bacteriology, 1971, 21, 187-189.]
→ Megasphaera Rogosa 1971 (Approved Lists 1980) emend. Marchandin et al. 2003.
Reference: MARCHANDIN (H.), JUMAS-BILAK (E.), GAY (B.), TEYSSIER (C.), JEAN-PIERRE (H.), SIMÉON DE BUOCHBERG (M.), CARRIÈRE (C.) and CARLIER (J.P.): Phylogenetic analysis of some Sporomusa sub-branch members isolated from human clinical specimens: description of Megasphaera micronuciformis sp. nov. Int. J. Syst. Evol. Microbiol., 2003, 53, 547-553.
Original article in IJSEM Online
Note: In the Tables of Contents (IJSEM, 2003, 53, part 2, page I) and in the file "Author Index" (IJSEM, 2003, 53, part 2, page V), the author's name M. Siméon de Buochberg is erroneously cited as M.S. de Buochberg.
Megasphaera cerevisiae Engelmann and Weiss 1986, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) PAT 1 = ATCC 43254= DSM 20462 = JCM 6130.
Sequence accession no. (16S rRNA gene) for the type strain: L37040.
Etymology: L. n. cerevisia, beer; L. gen. n. cerevisiae, of beer.
Valid publication: Validation List no. 20. Int. J. Syst. Bacteriol., 1986, 36, 354-356.
Effective publication: ENGELMANN (U.) and WEISS (N.): Megasphaera cerevisiae sp. nov.: a new gram-negative obligately anaerobic coccus isolated from spoiled beer. Syst. Appl. Microbiol., 1985, 6, 287-290.
Validation List no. 20 in IJSEM Online - Effective publication Online
Megasphaera elsdenii (Gutierrez et al. 1959) Rogosa 1971, species. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) ATCC 25940= CCUG 6199 = CIP 106852 = DSM 20460 = JCM 1772.
Sequence accession no. (16S rRNA gene) for the type strain: U95027.
Synonyms: "Organism LC" Elsden and Lewis 1953, "rumen orgnism LC" Elsden et al. 1956, "Peptostreptococcus elsdenii" Gutierrez et al. 1959.
Etymology: N.L. gen. n. elsdenii, of Elsden; named after S.R. Elsden who first isolated the organism.
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: 1 GUTIERREZ (J.), DAVIS (R.E.), LINDAHL (I.L.) and WARWICK (E.J.): Bacterial changes in the rumen during the onset of feed-lot bloat of cattle and characteristics of Peptostreptococcus elsdenii n. sp. Applied Microbiology, 1959, 7, 16-22. 2 ROGOSA (M.): Transfer of Peptostreptococcus elsdenii Gutierrez et al. to a new genus, Megasphaera [M. elsdenii (Gutierrez et al. comb. nov.. International Journal of Systematic Bacteriology, 1971, 21, 187-189.]
Megasphaera hexanoica Jeon et al. 2017, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MH=KCCM 43214=JCM 31403.
Sequence accession no. (16S rRNA gene) for the type strain: KX021300.
Etymology: N.L. n. acidum hexanoicum, hexanoic acid; N.L. fem. adj. hexanoica, referring to the production of hexanoic acid.
Source: Animal.
Valid publication: JEON, B. S., KIM, S. and SANG, B. I. 2017. Megasphaera hexanoica sp. nov., a medium-chain carboxylic acid-producing bacterium isolated from a cow rumen. Int. J. Syst. Evol. Microbiol., 67, 2114-2120.
Original article in IJSEM Online
Megasphaera indica Lanjekar et al. 2014, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) NMBHI-10=DSM 25563=MCC 2481.
Sequence accession no. (16S rRNA gene) for the type strain: HM990965.
Etymology: L. fem. adj. indica, pertaining to India, where the organism was isolated.
Source: Human.
Valid publication: LANJEKAR, V. B., MARATHE, N. P., RAMANA, V. V., SHOUCHE, Y. S. and RANADE, D. R. 2014. Megasphaera indica sp. nov., an obligate anaerobic bacteria isolated from human faeces. Int. J. Syst. Evol. Microbiol., 64, 2250-2256.
Original article in IJSEM Online
Megasphaera massiliensis Padmanabhan et al. 2016, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) NP3=CSUR P245=DSM 26228.
Sequence accession no. (16S rRNA gene) for the type strain: JX424772.
Whole-genome sequence accession no. for the type strain: CAVO00000000 .
Etymology: L. fem. adj. massiliensis, of Massilia, the Latin name of Marseille where was cultivated strain NP3.
Source: Clinical.
Valid publication: VALIDATION LIST no. 168. List of new names and new combinations previously effectively, but not validly, published. Int. J. Syst. Evol. Microbiol., 66 (2016), 1603-1606.
Validation List Online
Effective publication: Padmanabhan, R., Lagier, J.-C., Dangui, N. P. M., Michelle, C., Couderc, C., Raoult, D. and Fournier, P.-E. 2013. Non-contiguous finished genome sequence and description of Megasphaera massiliensis sp. nov. Stand. Genomic Sci. 8, 525-538.
Effective publication Online
Megasphaera micronuciformis Marchandin et al. 2003, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) AIP 412.00 = CCUG 45952 = CIP 107280.
Sequence accession no. (16S rRNA gene) for the type strain: AF473834.
Etymology: Gr. adj. micros, small; L. gen. n. nucis, of a nut; L. suff. formis (from L. n. forma, figure, shape, appearance), -like, in the shape of; N.L. fem. adj. micronuciformis, small walnut-shaped, referring to the morphology of bacterial cells and cell surface.
Valid publication: MARCHANDIN (H.), JUMAS-BILAK (E.), GAY (B.), TEYSSIER (C.), JEAN-PIERRE (H.), SIMÉON DE BUOCHBERG (M.), CARRIÈRE (C.) and CARLIER (J.P.): Phylogenetic analysis of some Sporomusa sub-branch members isolated from human clinical specimens: description of Megasphaera micronuciformis sp. nov. Int. J. Syst. Evol. Microbiol., 2003, 53, 547-553.
Original article in IJSEM Online
Notes:
1 In the Tables of Contents (IJSEM, 2003, 53, part 2, page I) and in the file "Author Index" (IJSEM, 2003, 53, part 2, page V), the author's name M. Siméon de Buochberg is erroneously cited as M.S. de Buochberg.
2 The correct etymology of the specific epithet should be Gr. adj. micros, small; L. fem. gen. n. nucis (not nuci as cited in the paper by Marchandin et al. 2003), a nut; L. adj. suffix -formis -is -e (from L. n. forma, figure, shape, appearance), -like, in the shape of; N.L. fem. adj. micronuciformis, small walnut-shaped.
Megasphaera paucivorans Juvonen and Suihko 2006, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) DSM 16981 = VTT E-032341.
Sequence accession no. (16S rRNA gene) for the type strain: DQ223730.
Etymology: L. adj. paucus, few, little; L. part. adj. vorans, devouring; N.L. part. adj. paucivorans, devouring few substrates.
Valid publication: JUVONEN (R.) and SUIHKO (M.L.): Megasphaera paucivorans sp. nov., Megasphaera sueciensis sp. nov. and Pectinatus haikarae sp. nov., isolated from brewery samples, and emended description of the genus Pectinatus. Int. J. Syst. Evol. Microbiol., 2006, 56, 695-702.
Original article in IJSEM Online
Megasphaera stantonii Maki and Looft 2018, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) AJH120=DSM 106750=CCUG 71842
Sequence accession no. (16S rRNA gene) for the type strain: MG811574.
Whole-genome sequence accession no.: SRX4366008.
Etymology: N.L. gen. n. stantonii, of Stanton, named in honour of Thaddeus Stanton, an American microbiologist who contributed to the characterization of the genus Megasphaera and other intestine-associated microorganisms.
Source: Animal.
Valid publication: MAKI, J. J. and LOOFT, T. 2018. Megasphaera stantonii sp. nov., a butyrate-producing bacterium isolated from the cecum of a healthy chicken. Int. J. Syst. Evol. Microbiol., 68, 3409-3415.
Original article in IJSEM Online
Megasphaera sueciensis Juvonen and Suihko 2006, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) DSM 17042 = VTT E-97791.
Sequence accession no. (16S rRNA gene) for the type strain: DQ223729.
Etymology: N.L. fem. adj. sueciensis, pertaining to Sweden.
Valid publication: JUVONEN (R.) and SUIHKO (M.L.): Megasphaera paucivorans sp. nov., Megasphaera sueciensis sp. nov. and Pectinatus haikarae sp. nov., isolated from brewery samples, and emended description of the genus Pectinatus. Int. J. Syst. Evol. Microbiol., 2006, 56, 695-702.
Original article in IJSEM Online