Enumeration of transconjugated Ruminococcus albus and its survival in the goat rumen microcosm
نویسندگان
چکیده
منابع مشابه
Utilization of Ruminal Epithelial Cells by Ruminococcus albus, with or without Rumen Protozoa, and Its Effect
Effects of supplementation with ruminal epithelial cells on fiber-degrading activity and cell growth of Ruminococcus albus (R. albus, strain 7) was tested using a basal substrate of rice straw and formulated concentrate. Cultures of R. albus alone and R. albus with rumen protozoa were grown at 39C for 48 h with an 8.4% crude protein (CP) substrate, 33% of the CP supplemented with either rumina...
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این پژوهش با هدف "بررسی وضعیت موجود آموزش عالی مجازی در ایران و راههای توسعه و ارتقای آن " و با روش توصیفی-تحلیلی و پیمایشی صورت پذیرفته است. بررسی اسنادو مدارک موجود در زمینه آموزش مجازی نشان داد تعداد دانشجویان و مقاطع تحصیلی و رشته محل های دوره های الکترونیکی چندان مطلوب نبوده و از نظر کیفی نیز وضعیت شاخص خدمات آموزشی اساتید و وضعیت شبکه اینترنت در محیط آموزش مجازی نامطلوب است.
Preparation of the cellulase from the cellulolytic anaerobic rumen bacterium Ruminococcus albus and its release from the bacterial cell wall.
1. Most of the cellulase (CM-cellulase) elaborated by the rumen bacterium Ruminococcus albus strain SY3, which was isolated from a sheep, was cell-wall-bound. 2. The enzyme could be released readily by washing either with phosphate buffer or with water. 3. The amount of enzyme released was affected by the pH and ionic strength of the phosphate buffer. 4. The cell-wall-bound enzyme was of very h...
متن کاملFunctional phylotyping approach for assessing intraspecific diversity of Ruminococcus albus within the rumen microbiome.
Ruminococcus albus, a cellulolytic bacterium, is a critical member of the rumen community. Ruminococcus albus lacks a classical cellulosome complex, but it possesses a unique family 37 carbohydrate-binding module (CBM37), which is integrated into a variety of carbohydrate-active enzymes. We developed a potential molecular tool for functional phylotyping of the R. albus population in the rumen, ...
متن کاملFunctional analyses of multiple lichenin-degrading enzymes from the rumen bacterium Ruminococcus albus 8.
Ruminococcus albus 8 is a fibrolytic ruminal bacterium capable of utilization of various plant cell wall polysaccharides. A bioinformatic analysis of a partial genome sequence of R. albus revealed several putative enzymes likely to hydrolyze glucans, including lichenin, a mixed-linkage polysaccharide of glucose linked together in β-1,3 and β-1,4 glycosidic bonds. In the present study, we demons...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1995
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.61.5.2030-2032.1995