نتایج جستجو برای: ژن cdtb
تعداد نتایج: 15989 فیلتر نتایج به سال:
Campylobacter jejuni isolates of different origins (bovine, broiler meat, human) were screened by polymerase chain reaction for the presence of 4 genes cdtB, cst-II, ggt, and virB11, previously linked to virulence such as adherence, invasion, colonization, molecular mimicry, and cytotoxin production. In addition, the isolates were screened for the presence of the global gene regulator csrA link...
Cytolethal distending toxins (CDTs) represent an emerging family of newly described bacterial products that are produced by a number of pathogens. The genes encoding these toxins have been identified as a cluster of three adjacent genes, cdtA, cdtB, and cdtC, plus 5 cdt genetic variants, designated as cdt-I, cdt-II, cdt-III, cdt-IV, and cdt- V, have been identified to date. In this study, a gen...
An association between certain Campylobacter species and enterocolitis in humans and nonhuman primates is well established, but the association between cytolethal distending toxin and disease is incompletely understood. The purpose of the present study was to examine Campylobacter species isolated from captive conventionally raised macaque monkeys for the presence of the cdtB gene and for cytol...
In this paper, we propose a Connectivedriven Dependency Tree (CDT) scheme to represent the discourse rhetorical structure in Chinese language, with elementary discourse units as leaf nodes and connectives as non-leaf nodes, largely motivated by the Penn Discourse Treebank and the Rhetorical Structure Theory. In particular, connectives are employed to directly represent the hierarchy of the tree...
Escherichia albertii has been associated with diarrhea in humans but not with disease or infection in animals. However, in December 2004, E. albertii was found, by biochemical and genetic methods, to be the probable cause of death for redpoll finches (Carduelis flammea) in Alaska. Subsequent investigation found this organism in dead and subclinically infected birds of other species from North A...
background: clostridium difficile (c. difficile) infection is one of the most important diseases in healthcare facilities and community. ribotypes 027 and 078 are known as hyper-virulent strain of c. difficile in molecular study. pcr-ribotyping is a suitable method to interpret the relation of c. difficile isolated from food and hospital. objectives: in the present study, the clostridim diffici...
The presence of the flaA, cadF, cdtB and iam genes of Campylobacter spp. was determined with the PCR method. The materials to investigate were 56 C. jejuni and 23 C. coli strains isolated from clinical samples (children and domestic animals). It was found that all of the Campylobacter spp. isolates from children with diarrhoea and domestic animals had cadF gene, responsible for adherence. The f...
Binary toxin (CDT) is frequently observed in Clostridium difficile strains associated with increased severity of C. difficile infection (CDI). CDT belongs to the family of binary ADP-ribosylating toxins consisting of two separate toxin components: CDTa, the enzymatic ADP-ribosyltransferase which modifies actin, and CDTb which binds to host cells and translocates CDTa into the cytosol. CDTb is a...
In cacao farms, the presence of cadmium (Cd) is a major issue for commercialization, particularly countries such as Colombia. Cadmium-tolerant bacteria (CdtB) are an important functional group microorganisms with potential bioremediation strategies. Cd immobilization activity by CdtB can be accurately measured isothermal microcalorimetry (IMC). this study, metabolic capacity entire community in...
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