Activity and properties of fumarate reductase in ruminal bacteria.

@article{citeulike:2846293, abstract = {Fumarate-reducing bacteria were sought from the main ruminal bacteria. Fibrobacter succinogenes, Selenomonas ruminantium subsp. ruminantium, Selenomonas ruminantium subsp. lactilytica, and Veillonella parvula reduced fumarate by using H(2) as an electron donor. Ruminococcus albus, Prevotella ruminicola, and Anaerovibrio lipolytica consumed fumarate, although they did not oxidize H(2). Of these bacteria, V. parvula, two strains of Selenomonas, and F. succinogenes had a high capacity to reduce fumarate. In all the fumarate-reducing bacteria examined, fumarate reductase existed in the membrane fraction. Based on the activity per cell mass and the affinity of fumarate reductase to fumarate, these bacteria were divided into two groups, which corresponded to the capacity to use H(2): A group of bacteria with higher activity and affinity were able to use H(2) as an electron donor for fumarate reduction. The bacteria in this group should gain an advantage over the bacteria in another group in fumarate reduction in the rumen. Cellulose digestion by R. albus was improved by fumarate reduction by S. lactilytica as a result of an increased growth of R. albus, which may have been caused by the fact that S. lactilytica immediately consumed H(2) produced by R. albus. Thus fumarate reduction may play an important role in keeping a low partial pressure of H(2) in the rumen.}, address = {Department of Agriculture, Meiji University, Kawasaki 214-8571, Japan.}, author = {Asanuma, Narito and Hino, Tsuneo }, citeulike-article-id = {2846293}, issn = {0022-1260}, journal = {The Journal of general and applied microbiology}, keywords = {geba, parvula, veillonella}, month = {June}, number = {3}, pages = {119--125}, posted-at = {2008-05-30 05:21:54}, priority = {2}, title = {Activity and properties of fumarate reductase in ruminal bacteria.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/12483585}, volume = {46}, year = {2000} }

TY - JOUR ID - citeulike:2846293 L3 - citeulike-article-id:2846293 N2 - Fumarate-reducing bacteria were sought from the main ruminal bacteria. Fibrobacter succinogenes, Selenomonas ruminantium subsp. ruminantium, Selenomonas ruminantium subsp. lactilytica, and Veillonella parvula reduced fumarate by using H(2) as an electron donor. Ruminococcus albus, Prevotella ruminicola, and Anaerovibrio lipolytica consumed fumarate, although they did not oxidize H(2). Of these bacteria, V. parvula, two strains of Selenomonas, and F. succinogenes had a high capacity to reduce fumarate. In all the fumarate-reducing bacteria examined, fumarate reductase existed in the membrane fraction. Based on the activity per cell mass and the affinity of fumarate reductase to fumarate, these bacteria were divided into two groups, which corresponded to the capacity to use H(2): A group of bacteria with higher activity and affinity were able to use H(2) as an electron donor for fumarate reduction. The bacteria in this group should gain an advantage over the bacteria in another group in fumarate reduction in the rumen. Cellulose digestion by R. albus was improved by fumarate reduction by S. lactilytica as a result of an increased growth of R. albus, which may have been caused by the fact that S. lactilytica immediately consumed H(2) produced by R. albus. Thus fumarate reduction may play an important role in keeping a low partial pressure of H(2) in the rumen. IS - 3 JF - The Journal of general and applied microbiology SN - 0022-1260 AD - Department of Agriculture, Meiji University, Kawasaki 214-8571, Japan. EP - 125 TI - Activity and properties of fumarate reductase in ruminal bacteria. VL - 46 SP - 119 KW - geba KW - parvula KW - veillonella AU - Asanuma, Narito AU - Hino, Tsuneo PY - 2000/06// UR - http://view.ncbi.nlm.nih.gov/pubmed/12483585 ER -