نتایج جستجو برای: cellulolytic bacteria
تعداد نتایج: 181593 فیلتر نتایج به سال:
Symbiotic associations of cellulolytic eukaryotic protists and diverse bacteria are common in the gut microbial communities of termites. Besides cellulose degradation by the gut protists, reductive acetogenesis from H2 plus CO2 and nitrogen fixation by gut bacteria play crucial roles in the host termites' nutrition by contributing to the energy demand of termites and supplying nitrogen poor in ...
Rumen microorganisms are responsible for digestion and utilization of dietary feeds by host ruminants. Unconventional feed resources could be used as alternatives in tropical areas where feed resources are insufficient in terms of quality and quantity. The objective of the present experiment was to evaluate the effect of diets based on palm oil (PO), decanter cake (DC) or palm kernel cake (PKC)...
Lignocellulosic biomass is a promising feedstock to produce biofuels and other valuable biocommodities. A major obstacle to its commercialization is the high cost of degrading biomass into fermentable sugars, which is typically achieved using cellulolytic enzymes from Trichoderma reesei. Here, we explore the use of microbes to break down biomass. Bacillus subtilis was engineered to display a mu...
The effects of four contrasting diets were determined on populations of three species of ruminal cellulolytic bacteria (Ruminococcus albus, Ruminococcus flavefaciens, and Fibrobacter succinogenes) using oligonucleotide probes to rRNA. Diets based on alfalfa silage or corn silage as the primary fiber source were formulated to contain either 24 or 32% neutral detergent fiber measured after alpha-...
The genus Caldicellulosiruptor contains extremely thermophilic, cellulolytic bacteria capable of lignocellulose deconstruction. Currently, complete genome sequences for eleven Caldicellulosiruptor species are available. Here, we report genome sequences for three additional Caldicellulosiruptor species: Rt8.B8 DSM 8990 (New Zealand), Wai35.B1 DSM 8977 (New Zealand), and "Thermoanaerobacter cellu...
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...
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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