Biomaterial Database

[Characterization of R plasmids in "Salmonella typhi" and "S. paratyphi B" from Algeria (author's transl)]. 1980

W Akache, and K Rahal

The distribution of R plasmids in six drug-resistant Salmonella typhi strains and four S. paratyphi B strains isolated from human in Algeria was studied. All strains but one S. typhi harbored one conjugative R plasmid. Plasmids belonging to the incompatibility groups FIme, B, W or P were found in the S. typhi strains and those belonging to groups FIme or B were found in the S. paratyphi B strains. The epidemiological surveillance of R plasmids shows that the drug resistance of these strains is not the result of the epidemic spread of particular strains of Salmonella.

UI	MeSH Term	Description	Entries
D011815	R Factors	A class of plasmids that transfer antibiotic resistance from one bacterium to another by conjugation.	R Factor,R Plasmid,R Plasmids,Resistance Factor,Resistance Factors,Factor, R,Factor, Resistance,Factors, R,Factors, Resistance,Plasmid, R,Plasmids, R
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
D004352	Drug Resistance, Microbial	The ability of microorganisms, especially bacteria, to resist or to become tolerant to chemotherapeutic agents, antimicrobial agents, or antibiotics. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS).	Antibiotic Resistance,Antibiotic Resistance, Microbial,Antimicrobial Resistance, Drug,Antimicrobial Drug Resistance,Antimicrobial Drug Resistances,Antimicrobial Resistances, Drug,Drug Antimicrobial Resistance,Drug Antimicrobial Resistances,Drug Resistances, Microbial,Resistance, Antibiotic,Resistance, Drug Antimicrobial,Resistances, Drug Antimicrobial
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000462	Algeria	A country in northern Africa bordering the Mediterranean Sea, between MOROCCO and TUNISIA. Its capital is Algiers.
D012475	Salmonella	A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that utilizes citrate as a sole carbon source. It is pathogenic for humans, causing enteric fevers, gastroenteritis, and bacteremia. Food poisoning is the most common clinical manifestation. Organisms within this genus are separated on the basis of antigenic characteristics, sugar fermentation patterns, and bacteriophage susceptibility.
D012484	Salmonella paratyphi B	A serotype of SALMONELLA ENTERICA which is an agent of PARATYPHOID FEVER in humans.	Salmonella schottmuelleri,Salmonella enterica serovar Paratyphi B
D012485	Salmonella typhi	A serotype of SALMONELLA ENTERICA which is the etiologic agent of TYPHOID FEVER.	Salmonella enterica serovar Typhi,Salmonella typhosa
D014161	Transduction, Genetic	The transfer of bacterial DNA by phages from an infected bacterium to another bacterium. This also refers to the transfer of genes into eukaryotic cells by viruses. This naturally occurring process is routinely employed as a GENE TRANSFER TECHNIQUE.	Genetic Transduction,Genetic Transductions,Transductions, Genetic

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