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Published on: October 25, 2018
Genetic variability of rumen Selenomonads
P Pristas1, M Piknova, A Sprincova
1Institute of Animal Physiology, Slovak Academy of Sciences, Slovakia. pristas@saske.sk
Abstract:
Molecular diversity of rumen bacteria belonging to the species Selenomonas ruminantium was evaluated by biochemical and PCR analyses targeted at the 16S rRNA operon and lactate dehydrogenase gene. While extremely variable in metabolic characteristics, two different RISA (ribosomal intergenic spacer analysis), and five lactate dehydrogenase gene RFLP profiles were observed among the twelve strains studied. The strains showed very limited variability ARDRA ( amplified ribosomal DNA restriction analysis) when two different profiles were observed only. 16S rDNA sequence comparisons indicate complex genetic structure within S.ruminantium population.
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