نتایج جستجو برای: anaerobic fungi
تعداد نتایج: 76361 فیلتر نتایج به سال:
Large populations of obligately anaerobic fungi colonise plant fragments in the rumen of cattle and sheep on fibrous diets. Highest numbers are present on stem fragments and the fungi are found associated mainly with the lignified tissues that remain in the rumen for prolonged periods. Fungal populations are highest in animals receiving high-fibre diets and are absent from the rumen contents of...
Oil sands are surface exposed in river valley outcrops in northeastern Alberta, where flat slabs (tablets) of weathered, bitumen-saturated sandstone can be retrieved from outcrop cliffs or from riverbeds. Although the average yearly surface temperature of this region is low (0.7°C), we found that the temperatures of the exposed surfaces of outcrop cliffs reached 55 to 60°C on sunny summer days,...
Lignocellulose is an abundant and renewable resource that holds great promise for sustainable bioprocessing. However, unpretreated lignocellulose is recalcitrant to direct utilization by most microbes. Current methods to overcome this barrier include expensive pretreatment steps to liberate cellulose and hemicellulose from lignin. Anaerobic gut fungi possess complex cellulolytic machinery speci...
Anaerobic gut fungi are the primary colonizers of plant material in the rumen microbiome, but are poorly studied due to a lack of characterized isolates. While most genera of gut fungi form extensive rhizoidal networks, which likely participate in mechanical disruption of plant cell walls, fungi within the Caecomyces genus do not possess these rhizoids. Here, we describe a novel fungal isolate,...
Recent genomic analyses have revealed that anaerobic gut fungi possess both the largest number and highest diversity of lignocellulolytic enzymes all sequenced fungi, explaining their ability to decompose lignocellulosic substrates, e.g., agricultural waste, into fermentable sugars. Despite potential, development engineering methods for these organisms has been slow due complex life cycle, unde...
Anaerobic fungi and ciliate protozoa represent up to half of the herbivore gut microbial biomass. They are generally recognized as mutualistic symbionts in ruminant animals since they produce a wide range cellulolytic amylolytic enzymes play key role feed degradation for host. This is particularly true anaerobic fungi, which have most potent fiber degrading known biological world. The presence ...
OBJECTIVES Silver has historically and extensively been used as a broad-spectrum antimicrobial agent. However, the Food and Drug Administration currently does not recognize colloidal silver as a safe and effective antimicrobial agent. The goal of this study was to further evaluate the antimicrobial efficacy of colloidal silver. DESIGN Several strains of bacteria, fungi, and viruses were grown...
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