Thin aggregative fimbriae enhanceSalmonella enteritidisbiofilm formation
نویسندگان
چکیده
منابع مشابه
Structure and characterization of AgfB from Salmonella enteritidis thin aggregative fimbriae.
The agfBAC operon of Salmonella enteritidis encodes thin aggregative fimbriae, fibrous, polymeric structures primarily composed of AgfA fimbrins. Although uncharacterized, AgfB shows a 51 % overall amino acid sequence similarity to AgfA. Using AgfB epitope-specific antiserum, AgfB was detected as a minor component of whole, purified fimbriae. Like AgfA, AgfB was released from purified fimbriae ...
متن کاملDNA-based diagnostic tests for Salmonella species targeting agfA, the structural gene for thin, aggregative fimbriae.
Salmonella enteritidis 27655-3b and a few diarrheagenic Escherichia coli strains produce morphologically and antigenically related, thin, aggregative fimbriae, collectively named GVVPQ fimbriae (S. K. Collinson, L. Emödy, T. J. Trust, and W. W. Kay, J. Bacteriol. 174:4490-4495, 1992). To determine whether GVVPQ fimbriae are common to Salmonella spp. and other enteropathogenic members of the fam...
متن کاملThin aggregative fimbriae and cellulose enhance long-term survival and persistence of Salmonella.
Salmonella spp. are environmentally persistent pathogens that have served as one of the important models for understanding how bacteria adapt to stressful conditions. However, it remains poorly understood how they survive extreme conditions encountered outside their hosts. Here we show that the rdar morphotype, a multicellular phenotype characterized by fimbria- and cellulose-mediated colony pa...
متن کاملAgfC and AgfE facilitate extracellular thin aggregative fimbriae synthesis in Salmonella enteritidis.
Salmonella thin aggregative fimbriae (Tafi; curli) are important in pathogenesis and biofilm formation; however, less is known of their structure and morphogenesis. In the Salmonella agfBAC Tafi operon, the transcription and role of agfC have been elusive. In this study, agfBAC transcripts were detected using a sensitive reverse transcriptase technique. Native AgfC was not detected using polycl...
متن کاملExpression of thin aggregative fimbriae promotes interaction of Salmonella typhimurium SR-11 with mouse small intestinal epithelial cells.
The factors that mediate binding of Salmonella typhimurium to small intestinal epithelial cells have not been fully characterized. In this paper we demonstrate that elimination of production of thin aggregative fiber by a transposon insertion within the gene encoding the subunit protein of the fiber reduced binding of S. typhimurium SR-11 to a conditionally immortalized proximal small intestina...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1998
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.1998.tb13012.x