نتایج جستجو برای: mycobacterium phlei
تعداد نتایج: 46228 فیلتر نتایج به سال:
The use of enzyme-linked immunosorbent assays (ELISAs) is recommended for Johne's disease (JD) control in dairy herds. In 2006, we developed a novel ELISA test for JD, named EVELISA (ELISA using ethanol extract of Mycobacterium avium subsp. paratuberculosis), which showed higher sensitivity than commercial ELISA tests. To further investigate the performance of EVELISA, we obtained 38 serum samp...
The phospholipid composition of the electron transport particles and coupling factor-depleted electron transport particles of Mycobacterium phlei are the same, but they differ in contents. The accessibility of partially purified phospholipase A to these membrane phospholipids was found to be different. Treatment of membranes of Mycobacterium phlei with phospholipase A impairs the rate of oxidat...
Pathogenic mycobacteria parasitize macrophages and reside within phagosomes, which do not fuse with lysosomal granules. Mycobacteria are also internalized by neutrophils, which possess at least two types of granules, specific and azurophil granules, the latter being specialized lysosomes. Here, we investigated the ability of mycobacteria to inhibit the fusion of these granules with their phagos...
Succinate dehydrogenase (SDH) was solubilized from membranes of Mycobacterium phlei by Triton X-100 with a recovery of about 90%. The solubilized SDH was purified about 90-fold by Sephacryl S-300, DEAE-cellulose, hydroxylapatite, and isoelectric focusing in the presence of Triton X-100 with a 20% recovery. SDH was homogeneous, as determined by polyacrylamide gel electrophoresis in nondenaturing...
Active transport of proline was observed in both electron transport particles and cell membrane ghosts from Mycobacterium phlei. The transport of proline was dependent upon substrate oxidation and the presence of Li+ or Na+, but not upon the formation of a high energy phosphorylated intermediate. The requirement for Na+ was different from Na+ coupled transport systems which have been described;...
The kinetics of reduction of the b-type cytochromes in the electron transport particles (ETP) from Mycobacterium phlei were studied with nicotinamide adenine dinucleotide, reduced form (NADH) or succinate as electron donors. There appeared to be three active cytochromes b in the ETP,bS563 and bS559, which were reducible by either substrate, and bN563, which was reducible by NADH but not by succ...
In a previous publication (Sen Gupta, 1943), the results of the complement-fixation test using the original Witebsky, Klingenstein, Kuhn (WKK) antigen were reported. Reference was also made about the preparation of the antigen according to the WKK method. It was shown that a complement-fixation test of marked degree of ' specificity' for kala-azar had been evolved. In order to investigate furth...
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