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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/12/01 08:49:39」(JST)

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Megasphaera is a genus of Firmicutes 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) ^[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)

References

^ See the List of Prokaryotic names with Standing in Nomenclature. Data extracted from J.P. Euzéby. "Negativicutes". Retrieved 2011-11-17.
^ See the NCBI webpage on Negativicutes Data extracted from Sayers; et al. "NCBI Taxonomy Browser". National Center for Biotechnology Information. Retrieved 2011-06-05.
^ 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
^ J.P. Euzéby. "Megasphaera". List of Prokaryotic names with Standing in Nomenclature (LPSN) [1]. Retrieved 2013-03-20.
^ Sayers; et al. "Megasphaera". National Center for Biotechnology Information (NCBI) taxonomy database [2]. Retrieved 2013-03-20.
^ All-Species Living Tree Project."16S rRNA-based LTP release 111 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database [3]. Retrieved 2013-03-20.

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UpToDate Contents

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1. 嫌気性細菌感染 anaerobic bacterial infections

English Journal

Evaluation of surfactants on waste activated sludge fermentation by pyrosequencing analysis.

Zhou A1, Liu W2, Varrone C3, Wang Y4, Wang A5, Yue X6.
Bioresource technology.Bioresour Technol.2015 Sep;192:835-40. doi: 10.1016/j.biortech.2015.06.017. Epub 2015 Jun 10.
The effects of three widely-used surfactants on waste activated sludge (WAS) fermentation and microbial community structures were investigated. Rhamnolipid bio-surfactants (RL) showed more positive effects on WAS hydrolysis and acidification compared to chemosynthetic surfactants, such as sodium dod
PMID 26081163

First Trimester Levels of BV-Associated Bacteria and Risk of Miscarriage Among Women Early in Pregnancy.

Nelson DB1, Hanlon AL, Wu G, Liu C, Fredricks DN.
Maternal and child health journal.Matern Child Health J.2015 Jul 9. [Epub ahead of print]
OBJECTIVES: Prior studies have examined the role of bacterial vaginosis (BV) and increased risk of miscarriage; however the risk has been modest and many BV positive pregnant women deliver at term. BV is microbiologically heterogeneous, and thus the identification of specific BV-associated bacteria
PMID 26156825

A multiplex real-time PCR assay for routine diagnosis of bacterial vaginosis.

Kusters JG1, Reuland EA, Bouter S, Koenig P, Dorigo-Zetsma JW.
European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology.Eur J Clin Microbiol Infect Dis.2015 Jul 5. [Epub ahead of print]
A semi-quantitative multiplex PCR assay for the diagnosis of bacterial vaginosis (BV) was evaluated in a prospective study in a population of Dutch women with complaints of abnormal vaginal discharge. The PCR targets Gardnerella vaginalis, Atopobium vaginae, Megasphaera phylotype 1, Lactobacillus cr
PMID 26143346

Japanese Journal

水素発酵法の盲点

大西章博
再生と利用 38(144), 31-37, 2014-07
NAID 40020179310

1P-170 乳酸菌存在下におけるMegasphaera elsdeniiの水素発酵能の評価(一般講演(バイオマス,資源,エネルギー工学),第65回日本生物工学会大会)

村山蘭,長谷川裕士,阿部新子,板東由起子,大西章博,藤本尚志,鈴木昌治
日本生物工学会大会講演要旨集 65, 60, 2013-08-25
NAID 110009737550

Decomposition of the fluorescence spectra of two FAD molecules in electron-transferring flavoprotein from Megasphaera elsdenii

Sato Kyosuke,Nishina Yasuzo,Shiga Kiyoshi
The journal of biochemistry 154(1), 61-66, 2013-07
NAID 40019683313

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★リンクテーブル★

リンク元	「メガスフェラ」
拡張検索	「Megasphaera属」

「メガスフェラ」

Megasphaera
Scientific classification
Kingdom:	Bacteria
Phylum:	Firmicutes
Class:	Negativicutes Marchandin et al. 2010
Order:	Selenomonadales Marchandin et al. 2010
Family:	Veillonellaceae; Rogosa 1971 emend. Marchandin et al. 2010
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;