نتایج جستجو برای: pxo1
تعداد نتایج: 138 فیلتر نتایج به سال:
Emerging B. cereus strains that cause anthrax-like disease have been isolated in Cameroon (CA strain) and Côte d'Ivoire (CI strain). These strains are unusual, because their genomic characterisation shows that they belong to the B. cereus species, although they harbour two plasmids, pBCXO1 and pBCXO2, that are highly similar to the pXO1 and pXO2 plasmids of B. anthracis that encode the toxins a...
The poly-gamma-d-glutamic acid (PGA) capsule is one of the major virulence factors of Bacillus anthracis, which causes a highly lethal infection. The antiphagocytic PGA capsule disguises the bacilli from immune surveillance and allows unimpeded growth of bacilli in the host. Recently, efforts have been made to include PGA as a component of anthrax vaccine; however, the innate immune response of...
سابقه و هدف: آنتی‌ژن ایمنی‌بخش(PA) (Protective antigen) Bacillus anthracis به‌عنوان واکسن سیاه زخم مورد استفاده قرار می‌گیرد. کلون و بیان ژن PA در سویه‌های مختلف گزارش شده است که بیش‌ترین بیان، در B. subtilis تا μg/ml 160 بوده است. هدف از این تحقیق کلون کردن ژن PA در ناقل بیان‌کننده pWB980 و انتقال آن به B. subtilis سویه WB600 می‌باشد. مواد و روش‌ها: در این مطالعه پلاسمید pXO1 از...
In an ongoing Microbial Observatory investigation of the International Space Station (ISS), 11 Bacillus strains (2 from the Kibo Japanese experimental module, 4 from the U.S. segment, and 5 from the Russian module) were isolated and their whole genomes were sequenced. A comparative analysis of the 16S rRNA gene sequences of these isolates showed the highest similarity (>99%) to the Bacillus ant...
doi:10.4102/ojvr.v81i2.722 http://www.ojvr.org Authors: B.M. Hang’ombe1 M. Ziwa2 M. Haule2 I. Nakamura3 K.L. Samui1 D. Kaile4 A.S. Mweene1 B.S. Kilonzo5 E.F. Lyamuya2 M. Matee2 C. Sugimoto3 H. Sawa3 B.W. Wren6 Affiliations: 1School of Veterinary Medicine, University of Zambia, Zambia 2Muhimbili University of Health and Allied Sciences, Tanzania 3Hokkaido University Research Center for Zoonosis ...
Background: The secretion time course of Bacillus anthracis strain RA3R (pXO1+/pXO2-) during early, mid, and late log phase were investigated under conditions that simulate those encountered in the host. All of the identified proteins were analyzed by different software algorithms to characterize their predicted mode of secretion and cellular localization. In addition, immunogenic proteins were...
Why would one want to sequence the genomes of 94 additional, mostly soil and water isolates of Bacillus cereus sensu lato (1)? The answer is of course to be able to make a rapid analysis during a bioterrorism event, to develop a portable kit for the rapid identification of anthrax spores (by proteomic analysis), and to determine their precise origin (by means of DNA genomic polymorphisms). The ...
Identification of Bacillus anthracis is considerably difficult because of its very high phenotypic and genotypic similarity to other members of the Bacillus cereus group. Differentiation methods based on morphological and phenotypic characteristics are time-consuming, and false results may be obtained for atypical strains. On the other hand molecular discrimination based on the presence of two ...
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