نتایج جستجو برای: adhesion virulence factors
تعداد نتایج: 1180730 فیلتر نتایج به سال:
The ability of bacterial species to colonize and infect host organisms is critically dependent upon their capacity to adhere to cellular surfaces of the host. Adherence to cell surfaces is known to be essential for the activation and delivery of certain virulence factors, but can also directly affect host cell signaling to aid bacterial spread and survival. In this review we will discuss the re...
Microbial virulence is a complex and often multifactorial phenotype, intricately linked to a pathogen's evolutionary trajectory. Toxicity, the ability to destroy host cell membranes, and adhesion, the ability to adhere to human tissues, are the major virulence factors of many bacterial pathogens, including Staphylococcus aureus. Here, we assayed the toxicity and adhesiveness of 90 MRSA (methici...
Members of the trimeric autotransporter adhesin (TAA) family play a crucial role in adhesion of Gram-negative pathogens to host cells. Moreover, these proteins are multifunctional virulence factors involved in several other biological traits, including invasion into host cells and evasion of the host immune system. In cystic fibrosis epidemic Burkholderia cenocepacia strain J2315, we identified...
In recent years, the role of bacterial sRNAs in adversity tolerance and pathogens has attracted increasing attention. A great number virulence-related were reported a variety human pathogens. However, only few from aquatic reported. our previous study, novel sRNA, sR158, was identified Edwardsiella piscicida, an important pathogen, but its function remains unknown. same we also type II TA syste...
Candida species normally exist as commensals of the skin and mucosa, but they are also opportunistic pathogens, with the ability to cause a variety of superficial and invasive diseases. Among the several of Candida species, Candida albicans remains the most common fungal isolate, mainly from blood cultures in the diagnostic of nosocomial bloodstream infection. However, the rates of candida infe...
Coagulase-negative staphylococci (CNS) have gained substantial interest as pathogens involved in nosocomial, particularly catheter-related infections. The pathogenic potential of CNS is mainly due to their capacity to form biofilms on indwelling medical devices. In a biofilm, the bacteria are protected against antibiotics and from attacks by the immune system. The factors contributing to biofil...
Cronobacter sakazakii is a foodborne pathogen, which causes a life-threatening form of meningitis, necrotizing colitis and meningoencephalitis in neonates and children. Epidemiological studies implicate dried infant formula as the principal source of C. sakazakii. In this study, we investigated the efficacy of sub-inhibitory concentrations (SIC) of trans-cinnamaldehyde (TC), an ingredient in ci...
Morphogenesis and adhesion to host tissues and medical devices contribute to the virulence of Candida albicans, the most common fungal pathogen isolated from humans. However, identification of molecular mechanisms of C. albicans adhesion and morphogenesis has been impaired by the lack of effective molecular and genetic tools available for this organism. Saccharomyces cerevisiae provides an attr...
We have found that a high iron concentration in solid complete cultivation medium potentiates cell-cell and cell-surface adhesion of the fission yeast Schizosaccharomyces pombe. Spotted giant colonies grown on iron-rich media were found to be more compact and more resistant to washing than those grown on plates with a standard iron content. Furthermore, we have documented that excess environmen...
background: enterotoxigenic escherichia coli (etec) strains are the major causes of diarrheal disease in humans and animals. colonization factors and enterotoxins are the major virulence factors in etec pathogenesis. for the broad-spectrum protection against etec, one could focus on colonization factors and non-toxic heat labile as a vaccine candidate. methods: a fusion protein is composed of a...
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