نتایج جستجو برای: mixed culture
تعداد نتایج: 489971 فیلتر نتایج به سال:
It is now well recognized that pre-transplant donor-specific blood transfusion (DST) has a beneficial effect on the survival of allografts. To determine the optimal interval between DST and transplantation, and to analyze the mechanisms of this effect, the survival of cardiac allografts to rats which received a single DST was examined. The cardiac allograft survival was found to be prolonged wh...
From several polyvinyl alcohol (PVA)-utilizing mixed cultures, two component bacterial strains essential for PVA utilization were isolated, and their properties and roles in PVA utilization were studied. Each pair of essential component strains consisted of a type I strain, which produced a PVA-degrading enzyme and constituted the predominant population of the mixed culture in PVA, and a type I...
Plasmid pRW002 carries genetic determinants for exfoliative toxin B and bacteriocin R1 synthesis. When a donor strain carrying plasmid pRW002 was mixed with a plasmidless recipient strain on a nitrocellulose membrane in accordance with the procedure used for staphylococcal conjugation, pRW002 was passed to the recipient by mixed-culture transduction. Transfer was inhibited by citrate and seroty...
Lymphocyte function in rheumatoid arthritis has been assessed by the mixed lymphocyte culture assay. In contrast to previous studies, no difference was found between lymphocytes from healthy volunteers and patients with rheumatoid arthritis. An occasional patient's lymphocytes failed to respond on a given day, but were normal on restudy. All 44 arthritic patient's lymphocytes underwent blast tr...
The autologous mixed lymphocyte reaction (auto-MLR) measures the ability of non-T cells to stimulate autologous T cells to proliferate in tissue culture. The auto-MLR was studied in 1 1 patients with autoimmune thrombocytopenic purpura (ATP). Seven patients had decreased auto-MLR. which averaged 4440 ± 3364 cpm (SEM) compared to 1 5.360 ± 6905 cpm for simultaneously studied controls. The averag...
Seven ruminally and duodenally cannulated steers (264 +/- 8 kg BW) consuming low-quality forage (5% CP; 61% NDF; 31% ADF) were used to determine the influence of CP degradability and supplementation frequency (SF) on ruminal fermentation characteristics. Treatments included an unsupplemented control and degradable intake protein (DIP) or undegradable intake protein (UIP) provided daily, every 3...
Changes of bacterial profiles in microbial communities are strongly associated with human health. There is an increasing need for multiple species research in vitro. To avoid high cost or measurement of a limited number of species, PCR-based multiple species cell counting (PCR-MSCC) has been conceived. Species-specific sequence is defined as a unique sequence of one species in a multiple specie...
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