Degradation of maize stem by two rumen fungal species, Piromyces communis and Caecomyces communis, in pure cultures or in association with cellulolytic bacteria
نویسندگان
چکیده
منابع مشابه
Degradation of maize stem by two rumen fungal species, Piromyces communis and Caecomyces communis, in pure cultures or in association with cellulolytic bacteria.
Two species of rumen fungi, Piromyces (Piromonas) communis FL and Caecomyces (Sphaeromonas) communis FG10, were cultured alone or in association with the cellulolytic bacteria Ruminococcus flavefaciens or Fibrobacter succinogenes on maize stem. A kinetic study of the degradation of the substrate was then made. After 48 h of culture, all non-lignified tissues observed by scanning electron micros...
متن کاملEffect of Eubacterium limosum, a ruminal hydrogenotrophic bacterium, on the degradation and fermentation of cellulose by 3 species of rumen anaerobic fungi.
The degradation and fermentation of cellulose filter paper were studied in axenic cultures of 3 species of rumen anaerobic fungi, Neocallimastix frontalis, Piromyces communis and Caecomyces communis, and in cocultures containing 1 of these fungal strains and Eubacterium limosum, a hydrogenotrophic rumen bacterial species. When E limosum was introduced into fungal cultures a slight decrease in f...
متن کاملDegradation and Utilization of Isolated Hemicellulose by Pure Cultures of Cellulolytic Rumen Bacteria.
Dehority, B. A. (Ohio Agricultural Experiment Station, Wooster). Degradation and utilization of isolated hemicellulose by pure cultures of cellulolytic rumen bacteria. J. Bacteriol. 89:1515-1520. 1965.-Hemicelluloses isolated from flax, corn hulls, alfalfa, oat hulls, and fescue grass were used as sole energy sources to study the ability of pure cultures of cellulolytic rumen bacteria to degrad...
متن کاملRate of isolated hemicellulose degradation and utilization by pure cultures of rumen bacteria.
Rate studies on the utilization or degradation (or both) of isolated hemicelluloses were conducted with six strains of rumen cellulolytic bacteria. Utilization was estimated by total pentose loss, and degradation values were based on solubilization of the hemicellulose in acidified 80% ethyl alcohol. With the various strains of ruminococci, degradation of flax and fescue grass hemicellulose was...
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چکیده: سرطان پستان دومین عامل مرگ مرتبط با سرطان در خانم ها است. از آنجا که سرطان پستان یک تومور وابسته به هورمون است، می تواند توسط وضعیت هورمون های استروئیدی شامل استروژن و پروژسترون تنظیم شود. استروژن نقش مهمی در توسعه و پیشرفت سرطان پستان ایفا می کند و تاثیر خود را روی بیان ژن های هدف از طریق گیرنده های استروژن اعمال می کند. اما گروه دیگری از گیرنده های هسته ای به نام گیرنده های مرتبط به ا...
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ژورنال
عنوان ژورنال: Reproduction Nutrition Development
سال: 1992
ISSN: 0926-5287
DOI: 10.1051/rnd:19920402