Megasphaera

Megasphaera

[mə′gas·fə·rə]
(microbiology)
A genus of bacteria in the family Veillonellaceae; relatively large cells occurring in pairs arranged in chains.
References in periodicals archive ?
Populations of rumen Megasphaera elsdenii, Butyrivibrio fibrisolvens, and Streptococcus bovis also were monitored in cattle fed different diets using qPCR [49,50].
Glycerol is metabolized by Megasphaera elsdenii, Streptococcus bovis, and Selenomonas ruminantium (Stewart, Flint, & Bryant, 1997), and Megasphaera elsdenii has been associated with increases in butyric acid in ruminal fluid (Hales et al.
brewMAP is utilised for the detection of Megasphaera and Pectinatus species, and brewLAP for the pan detection of lactic acid producing species that were developed and validated with the support of key partners who have successfully implemented Veriflow(R) technology at their breweries.
1996) mention that SC1077 can prevent a decrease of pH in the rumen from a lower production of lactic acid due to the increase of rumen microorganisms, especially Megasphaera elsdenii or Selenomonas ruminatum which use lactate as an energy source.
10) Entre las bacterias identificadas, se encuentran Selenomonas, Neisseria, una variedad de especies de Streptococcus, Bifidobacterium, Propionibacterium, Scardoviawiggsiae, Veillonella parvula, Veillonella atypica, Megasphaera micronuciformis, Fusobacterium periodontium, Achromobacterxylosoxidans y Actinomycesgerensceriae.
Especies del genero Propionibacterium, Clostridium propionicum y Megasphaera elsdenii fermentan glucosa o lactato a propionato, acetato y C[O.
Megasphaera, Leptotrichia were found less frequent in 0-3 Nugent scores, but Leptotrichia detection in both pH groups did not differ statistically.
2000) Characterization of the gene encoding the [Fe]-hydrogenase from Megasphaera elsdenii.
oxytoca Yes (95) No Lyngbya (a) Yes (45) No Megasphaera (a) Yes (20) No Microcystis (a) Yes (10) No Novosphingobium N.
In addition, the company is waiting for the approval of Megasphaera elsdenii by the US Food and Drug Administration, for which it registered eighteen months ago.
Estos compuestos podrian ser utilizados como sustrato por microorganismos ruminales tales como: Megasphaera elsdenii, Prevotella ruminicola, Selenomonas ruminantium, Dasytricha ruminantium y Entodinium caudatum (Coleman 1986), lo cual se traduciria en una mayor degradacion ruminal del almidon dietario.
Tabla 1 Especies frecuentes del rumen Esyecie Consume Produce Fibrobacter succinogenes CU S, F, A Ruminococcus albus CU, HC A, F, E Ruminococcus SSavefaciens CU, HC S, F, A Eubacterium ruminantium HC, DX, SU A, F, B Ruminobacter amylophilus PC S, F, A Succinomonas amylolytica PC, SU L, A, F Butyrivibrio pbrisolvens PC S, A, P Selenomonas ruminantium PC, CU, HC B, F, A Megasphaera elsdenu PC, DX, SU L, A, P Lachnospira multiparus PC, SU P, A, B Succinivibrio dextrtnosolvens PC, SU, DX L, A, F Anaerovibrio lipolytica GL, SU S, A, F Clostridium aminophilum AA A, S, P Clostridium sticklandii AA Br, A Wolinella succinogenes AA A, B Methanobrevibacter ruminantium [H.