Escherichia coli contains plasmids coding for heat-stable b, other enterotoxins, and antibiotic resistance

P. Echeverria, J. Seriwatana, D. N. Taylor, C. Tirapat, B. Rowe

Research output: Contribution to journalArticlepeer-review

Abstract

Plasmid DNAs obtained from 18 escherichia coli isolates that hybridized with the heat-stable b (ST-b) enterotoxin gene probe were examined by Southern blot analysis for genes coding for heat-labile, ST-a, and ST-b enterotoxins with specific rabiolabeled DNA probes. Four E. coli isolates contained plasmids coding for both heat-labile and ST-b enterotoxins, and one isolate contained a plasmid coding for ST-a and ST-b. Five of 11 isolates of antibiotic-resistant enterotoxigenic E. coli isolates containing ST-b-coding DNA transferred a plasmid coding for both antibiotic resistance and ST-b to E. coli K-12, suggesting that the widespread use of antibiotics could increase the distribution of genes coding for ST-b.

Original languageEnglish (US)
Pages (from-to)843-846
Number of pages4
JournalInfection and immunity
Volume48
Issue number3
StatePublished - Nov 20 1985

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases

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