نتایج جستجو برای: flagellin flic
تعداد نتایج: 2793 فیلتر نتایج به سال:
Burkholderia cenocepacia causes chronic and life-threatening respiratory infections in immunocompromized people. The B. cenocepacia N-acyl-homoserine lactone (AHL)-dependent quorum sensing system relies on the production of AHLs by the synthases CepI and CciI while CepR, CciR and CepR2 control expression of many genes important for pathogenesis. Downstream from, and co-transcribed with cepI, li...
The large antigenic diversity (over 2,300 serotypes) expressed by SalmoneUla strains can probably be observed at the genetic level. The phase 1 flagellin gene fliC was amplified, and the amplified fragment was cleaved with a mixture of both endonucleases TaqI and ScaI. The restriction patterns observed allowed differentiation of flagellar types b, i, d, j, l,v, and z1o. Flagellar group g (g,m, ...
Abstract It is well known that accumulated changes in microbiota composition over several decades have contributed to an increase non-communicable chronic diseases. While much effort has been devoted toward achieving a consensus on the microbes, and their products, driving this increase, inconsistent results suggest more research required understand disparity observed outcomes. Previous work fr...
FlhF is a signal recognition particle-like protein present in monotrichous bacteria. The loss of FlhF in various bacteria results in decreased transcription of class II, III, or IV flagellar genes, leads to diminished or absent motility, and results in the assembly of flagella at nonpolar locations on the cell surface. In this work, we demonstrate that the loss of FlhF results in defective swim...
Data for further development of the flagellar antigen genetics of the species Escherichia coli are reported. Two new flagellin genes named fllA and flmA were found in E. coli 781-55, E2987-73, and E223-69, the test strains for E. coli flagellar antigens H44, H55, and H54, respectively (collection of the International Escherichia and Klebsiella Centre of the World Health Organization, Copenhagen...
To determine the evolutionary mechanisms generating serotypic diversity in Salmonella strains, we sequenced the central, antigen-determining part of the phase 1 flagellin gene (fliC) in strains of several serovars for which estimates of chromosomal genomic relatedness had been obtained by multilocus enzyme electrophoresis. The nucleotide sequence of this region was identical in several chromoso...
Some Eubacterium and Roseburia species are among the most prevalent motile bacteria present in the intestinal microbiota of healthy adults. These flagellate species contribute "cell motility" category genes to the intestinal microbiome and flagellin proteins to the intestinal proteome. We reviewed and revised the annotation of motility genes in the genomes of six Eubacterium and Roseburia speci...
Lactobacillus species are commensal bacteria that have long been recognized as probiotic microbes and are generally regarded as safe (GRAS) for human consumption. We have investigated the use of L. gasseri as a vaccine vector for oral immunization against mucosal pathogens. Recent research has shown that the immune response to different lactobacilli can vary widely depending on the species or s...
conclusions the development of delivery systems into bacteria with an efficacy compatible to that in human use could be a key for the potential utility of sirna for the prophylaxis and treatment of p. aeruginosa-induced hematogenous pulmonary infections in humans. results in quantitative rt–pcr,it was shown that the sirna significantly inhibited the expression of the flagella mrna. filc gene kn...
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