[Production of thermolabile enterotoxins of Escherichia coli by Yersinia enterocolitica and Yersinia pseudotuberculosis]. 1988

B M Titenko, and I A Emdina, and S A Lebedeva, and O S Burlakova, and N V Roshchina

The plasmids pCG86 and RP4elt coding for thermolabile enterotoxins of Escherichia coli (LT) were transferred in conjugation to Yersinia enterocolitica and Yersinia pseudotuberculosis cells. Both plasmids were stably inherited by the recipient cells. The elt genes of the toxins were expressed in Yersinia cells at the level comparable to the one registered in Escherichia coli cells. In the broth cultures of transconjugant cells the major part of LT toxin is bound with cells (74-97%). The obtained data may serve an experimental basis in favour of possibility of Ent+ strains of Yersinia enterocolitica and Yersinia pseudotuberculosis formation in nature and expediency of search and diagnosing of such strains.

UI MeSH Term Description Entries
D010957 Plasmids Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS. Episomes,Episome,Plasmid
D003227 Conjugation, Genetic A parasexual process in BACTERIA; ALGAE; FUNGI; and ciliate EUKARYOTA for achieving exchange of chromosome material during fusion of two cells. In bacteria, this is a uni-directional transfer of genetic material; in protozoa it is a bi-directional exchange. In algae and fungi, it is a form of sexual reproduction, with the union of male and female gametes. Bacterial Conjugation,Conjugation, Bacterial,Genetic Conjugation
D004768 Enterotoxins Substances that are toxic to the intestinal tract causing vomiting, diarrhea, etc.; most common enterotoxins are produced by bacteria. Staphylococcal Enterotoxin,Enterotoxin,Staphylococcal Enterotoxins,Enterotoxin, Staphylococcal,Enterotoxins, Staphylococcal
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D005798 Genes, Bacterial The functional hereditary units of BACTERIA. Bacterial Gene,Bacterial Genes,Gene, Bacterial
D001427 Bacterial Toxins Toxic substances formed in or elaborated by bacteria; they are usually proteins with high molecular weight and antigenicity; some are used as antibiotics and some to skin test for the presence of or susceptibility to certain diseases. Bacterial Toxin,Toxins, Bacterial,Toxin, Bacterial
D015008 Yersinia enterocolitica A species of the genus YERSINIA, isolated from both man and animal. It is a frequent cause of bacterial gastroenteritis in children. Bacterium enterocoliticum
D015011 Yersinia pseudotuberculosis A human and animal pathogen causing mesenteric lymphadenitis, diarrhea, and bacteremia.
D029968 Escherichia coli Proteins Proteins obtained from ESCHERICHIA COLI. E coli Proteins

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