نتایج جستجو برای: yeast cells
تعداد نتایج: 1449666 فیلتر نتایج به سال:
Yeast additives have been fed to animals for more than 100 years. Although there are about 500 different species of yeast, the most common one fed to cows is Saccharomyces cerevisiae. Strains of Saccharomyces cerevisiae on the market today vary widely. The American Association of Feed Control Officials defines an active dry yeast as containing no less than 15 billion live yeast cells (cfu) per ...
UNLABELLED Cryptococcosis is an opportunistic infection due to the ubiquitous yeast Cryptococcus neoformans. This yeast interacts closely with innate immune cells, leading to various fates, including fungal persistence within cells, making possible the dissemination of the yeast cells with monocytes via a Trojan horse strategy. In humans, the natural history of the infection begins with primoin...
Uptake of particulate antigenic matter, including microorganisms and vaccine-bearing microspheres, by the intestinal mucosa takes place in the domes of the gut-associated lymphoid tissues and is achieved by membranous (M) cells, which continuously transport particles from the lumen to the underlying tissue where some particle components initiate immune reactions. Using yeast as tracer, we inves...
خمیرترش، یک قطعه خمیر از پخت قبلی میباشد که برای تولید نان با آرد، نمک و آب مخلوط و سپس ذخیره میشود. میکروارگانیسمهای اصلی خمیرترش، باکتریهای اسید لاکتیک و مخمرها هستند که نقش مهمی در بهبود طعم، بافت و ماندگاری فراوردههای نانوایی ایفا میکنند. در تحقیق حاضر، 7 نمونه خمیرترش از ییلاقهای ماسوله، همدان، نطنز، کیاسر، آمل، فومن جمعآوری و جهت انجام تحقیق استفاده گردید. باکتریهای اسید لاکتیک و...
Recent evidence suggests that selenium (Se) yeast may exhibit potential anti-cancer properties; whereas the precise mechanisms remain unknown. The present study was aimed at evaluating the effects of Se yeast on oxidative stress, growth inhibition, and apoptosis in human breast cancer cells. Treatments of ER-positive MCF-7 and triple-negative MDA-MB-231 cells with Se yeast (100, 750, and 1500 n...
background: glutathione (gsh) is a non-protein thiol compound, which plays an important role in the response to oxidative stress and nutritional stress. the aim of this study was to isolate indigenous s. cerevisiae strains capable of effectively produce gsh. methods: one hundred-twenty sweet fruit samples were collected. the strains were isolated on yeast glucose chloramphenicol (ygc) agar medi...
Two different growth media, namely complex and defined media, were used to examine establishment of steady-state conditions in phosphate-limited culture system of Saccharomyces cerevisiae CEN.PK113-5D strain. Using the defined growth medium, it was possible to obtain steady state condition in the continuous culture. The effect of phosphate concentration on the growth of S. cerevisiae in pho...
results 162 yeast species from 250 specimens were isolated in sabroud dextrose agar (sda) medium. 106 (65.4%) of them were germ tube formation positive, 86 (53%) chlamydoconidium formation positive and 101(62.4%) were pcr positive. yeast cells and mycelia were detected in the isolates on direct microscopic examination. c. albicans accounted for 66.04% of cases and 34% were non-c. albicans speci...
protein recovery under sonication treatment and autolysis, also protein hydrolysis progress during enzymatic hydrolysis (using trypsin and chymotrypsin) and autolysis (using endogenous enzymes) were investigated in saccharomyces cerevisiae and kluyveromyces marxianus. crude protein content of dried yeast cells were 53.22% and 45.6% for s.cerevisiae and k.marxianus, respectively. after 96 hrs of...
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