Megasphaera

Today we are going to talk about Megasphaera, a topic that has generated great interest and debate in recent times. Megasphaera is an issue that affects people of all ages, genders and social classes, and its impact is felt in different aspects of daily life. As we continue to explore the different aspects of Megasphaera, it is important to keep in mind its relevance and how it can influence our lives. In this article, we are going to delve into the different aspects of Megasphaera, analyze its implications and provide useful information to better understand this topic. So join us on this journey of discovery as we explore more about Megasphaera and its importance in our society!

Not to be confused with Magosphaera.

Megasphaera
Scientific classification
Domain:
Bacteria
Phylum:
Bacillota
Class:
Negativicutes
Order:
Veillonellales
Family:
Veillonellaceae
Genus:
Megasphaera

Rogosa 1971
Type species
Megasphaera elsdenii
(Gutierrez et al. 1959) Rogosa 1971[1]
Species

See text

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

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)[1] and National Center for Biotechnology Information (NCBI).[2]

16S rRNA based LTP_10_2024[4][5][6] 120 marker proteins based GTDB 09-RS220[7][8][9]
Megasphaera

M. micronuciformis Marchandin et al. 2003

Anaeroglobus geminatus Carlier et al. 2002

M. paucivorans Juvonen and Suihko 2006

M. sueciensis Juvonen and Suihko 2006

M. cerevisiae Engelmann and Weiss 1986

M. vaginalis Srinivasan et al. 2021 non Bordigoni et al. 2020

M. hutchinsoni Srinivasan et al. 2021

M. lornae Srinivasan et al. 2021

M. hexanoica Jeon et al. 2017

M. hominis Liu et al. 2022

M. butyrica Hitch et al. 2022

M. stantonii Maki & Looft 2018

M. massiliensis Padmanabhan et al. 2016

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

M. indica Lanjekar et al. 2014

Megasphaera_C

Megasphaera hutchinsoni

Megasphaera lornae

"Caecibacter"

"Megasphaera hominis"

"C. massiliensis" Ricaboni et al. 2017
(incl. Megasphaera hexanoica)

Megasphaera paucivorans

Anaeroglobus

Megasphaera vaginalis Bordigoni et al. 2020 non Srinivasan et al. 2021

"Colibacter massiliensis" Mailhe et al. 2017

"A. micronuciformis"

A. geminatus

Megasphaera

M. cerevisiae

M. stantonii

M. massiliensis

M. elsdenii

Unassigned species:

  • "M. intestinihominis" Hitch et al. 2024

See also

References

  1. ^ a b c A.C. Parte; et al. "Megasphaera". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2025-02-28.
  2. ^ a b C.L. Schoch; et al. "Megasphaera". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2025-02-28.
  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. ^ "The LTP". Retrieved 10 December 2024.
  5. ^ "LTP_all tree in newick format". Retrieved 10 December 2024.
  6. ^ "LTP_10_2024 Release Notes" (PDF). Retrieved 10 December 2024.
  7. ^ "GTDB release 09-RS220". Genome Taxonomy Database. Retrieved 10 May 2024.
  8. ^ "bac120_r220.sp_labels". Genome Taxonomy Database. Retrieved 10 May 2024.
  9. ^ "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2024.
  • 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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