Plasmids of Shigella dysenteriae Y6R: a Defective Col Factor
نویسندگان
چکیده
منابع مشابه
Survival of Shigella dysenteriae on fomites
Studies have shown that various objects, such as utensils, toys, and clothes, can serve as vehicles for transmission of Shigella spp. Shigellae can become viable but non-culturable (VBNC) when exposed to various environmental conditions as shown in earlier studies. The present study was carried out to detect VBNC Shigella dysenteriae type 1 on various fomites by direct viable counting, polymera...
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Since July 2002, bacteriologically confirmed shigellosis cases have increased, and multidrug-resistant Shigella dysenteriae serotype 1 strains have reemerged in patients hospitalized with diarrhea in Kolkata, India. The isolated strains of S. dysenteriae 1 showed resistance to chloramphenicol (80%), ampicillin (100%), tetracycline (100%), co-trimoxazole (100%), nalidixic acid (100%), norfloxaci...
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Small regulatory RNAs (sRNAs) of Shigella dysenteriae and other pathogens are vital for the regulation of virulence-associated genes and processes. Here, we characterize RyfA1, one member of a sibling pair of sRNAs produced by S. dysenteriae. Unlike its nearly identical sibling molecule, RyfA2, predicted to be encoded almost exclusively by non-pathogenic species, the presence of a gene encoding...
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In a previous communication (Mackie, 1938) we have reported observations upon the Shigella dysenteriae agglutinin curves in a group of patients presenting the intestinal pathology of chronic bacillary dysentery and bacteriologic or serologic evdence of infection by these organisms. Fluctuation of the titre curves in individual patients, the common finding of higher titres in the culture-negativ...
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Shigella species (spp.) are gram-negative bacteria that are responsible for shigellosis. Although it can be controlled via antibiotics, increasing number of antibiotic resistant isolates of Shigella have been reported. Therefore, other strategies such as production of specific vaccine against this organism could be a suitable therapeutic approach. Attenuated live vaccines produced by gene delet...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1973
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.116.1.163-174.1973