نتایج جستجو برای: virf
تعداد نتایج: 157 فیلتر نتایج به سال:
ExsA has been implicated as a central regulator of exoenzyme S production by Pseudomonas aeruginosa. In this study, the DNA-binding and transcriptional activation properties of ExsA were investigated. ExsA was produced and purified as a fusion protein, MALA3A2, which was shown to bind specifically to promoter regions that regulated transcription of the exoenzyme S trans-regulatory locus (pC) an...
TIA-1 positive stress granules (SG) represent the storage sites of stalled mRNAs and are often associated with the cellular antiviral response. In this report, we provide evidence that Kaposi's sarcoma-associated herpesvirus (KSHV) overcomes the host antiviral response by inhibition of SG formation via a viral lytic protein ORF57. By immunofluorescence analysis, we found that B lymphocytes with...
The genetic transformation of plant cells by Agrobacterium tumefaciens results from the transfer of DNA and proteins via a specific virulence (vir) -induced type IV secretion system (T4SS). To better understand T4SS function, we analyzed the localization of its structural components and substrates by deconvolution fluorescence microscopy. GFP fusions to T4SS proteins with cytoplasmic tails, Vir...
Low prevalence of human enteropathogenic Yersinia spp. in brown rats (Rattus norvegicus) in Flanders
Brown rats (Rattus norvegicus) have been identified as potential carriers of Yersinia enterocolitica and Y. pseudotuberculosis, the etiological agents of yersiniosis, the third most reported bacterial zoonosis in Europe. Enteropathogenic Yersinia spp. are most often isolated from rats during yersiniosis cases in animals and humans, and from rats inhabiting farms and slaughterhouses. Information...
یرسینیا انتروکولیتیکا یک باکتری گرم منفی و پاتوژن روده ای است که از طریق آب و مواد غذایی به انسان منتقل می شود. شیر از منابع عمده انتقال عفونت به انسان بوده و آلودگی آن با باکتری مانند یرسینیا انتروکولیتیکا می تواند برای انسان عوارض زیان باری داشته باشد. این مطالعه با هدف جداسازی یرسینیا انتروکولیتیکا و ارزیابی ژن های بیماری زایی آن از شیر نشخوارکنندگان کوچک در شهرستان شهرکرد به روش کشت میکروبی...
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