Megasphaera

Megasphaera is a genus of Firmicutes bacteria classified within the class Negativicutes.[1] [2]

Not to be confused with Magosphaera.

Megasphaera
Scientific classification
Domain:
Bacteria
Phylum:
Firmicutes
Class:
Negativicutes
Order:
Selenomonadales
Family:
Veillonellaceae
Genus:
Megasphaera

Rogosa 1971 emend. Marchandin et al. 2003
Species
  • ?Megasphaera hominis
  • Megasphaera cerevisiae Engelmann and Weiss 1986
  • Megasphaera elsdenii (Gutierrez et al. 1959) Rogosa 1971
  • Megasphaera micronuciformis Marchandin et al. 2003
  • Megasphaera paucivorans Juvonen and Suihko 2006
  • Megasphaera sueciensis Juvonen and Suihko 2006

This classification has been reexamined.[3] It appears that this genus is a member of the Clostridia.

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [4] and National Center for Biotechnology Information (NCBI)[5] and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Living Tree Project [6]

 
 

?M. hominis ♠

 
 

M. micronuciformis Marchandin et al. 2003

 
 
 

Anaeroglobus geminatus Carlier et al. 2002

 
 
 

M. elsdenii (Gutierrez et al. 1959) Rogosa 1971 (type sp.)

 
 
 

M. cerevisiae Engelmann and Weiss 1986

 
 
 

M. paucivorans Juvonen and Suihko 2006

 
 

M. sueciensis Juvonen and Suihko 2006

 
 
 
 
 
 

Notes:
♠ Strains found at the National Center for Biotechnology Information (NCBI) but not listed in the List of Prokaryotic names with Standing in Nomenclature (LPSN)

gollark: Παλαιολόγος isn't an innocent so I'm not doing innocent-blaming so it's fine.
gollark: I COULD use it.
gollark: I blame <@356107472269869058> somehow.
gollark: Unfortunately, my internet connection is veeeery slow right now.
gollark: We can't just rely on "god", he's done an *awful* job so far.

See also

The Department of Animal Nutrition and Nutritional Disorders established results proposing that M. elsdenii vaccines can help prevent subacute ruminal acidosis (SARA) depending on dietary grain through altering rumen flora. (Arik, Gulsen, Hayirli, Alatas).

References
  1. See the List of Prokaryotic names with Standing in Nomenclature. Data extracted from J.P. Euzéby. "Negativicutes". Archived from the original on 2013-01-27. Retrieved 2011-11-17.
  2. See the NCBI webpage on Negativicutes Data extracted from Sayers; et al. "NCBI Taxonomy Browser". National Center for Biotechnology Information. Retrieved 2011-06-05.
  3. Yutin N, Galperin MY (2013) A genomic update on Clostridial phylogeny: Gram-negative spore formers and other misplaced Clostridia. Environ Microbiol doi: 10.1111/1462-2920.12173
  4. J.P. Euzéby. "Megasphaera". List of Prokaryotic names with Standing in Nomenclature (LPSN). Archived from the original on January 27, 2013. Retrieved 2013-03-20.
  5. Sayers; et al. "Megasphaera". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2013-03-20.
  6. All-Species Living Tree Project."16S rRNA-based LTP release 111 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database. Retrieved 2013-03-20.

Arik, H. D., Gulsen, N., Hayirli, A., & Alatas, M. S. (2019). Efficacy of Megasphaera elsdenii inoculation in subacute ruminal acidosis in cattle. Journal of animal physiology and animal nutrition, 103(2), 416-426.



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