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PMID: 3896143 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Influence of salts and temperature on the transfer of mercury resistance from a marine pseudomonad to Escherichia coli.

Applied and environmental microbiology ·Vol. 50 ·No. 1 ·1985-07-00 ·Pages 38-40

Gauthier MJ, Cauvin F, Breittmayer JP

Abstract

Thirty-one strains of marine bacteria were examined for their ability to transfer mercury resistance to Escherichia coli in complex media; eight strains were able to transfer their resistance marker, with frequencies ranging from 10(-3) to 10(-8). Frequencies generally increased with the increase of the mating period. Additional mating experiments were carried out with one strain, belonging to the pseudomonads, to estimate the influence of temperature, salinity, and time on the conjugal transfer frequency of mercury resistance markers. The higher frequencies occurred at 30 degrees C, in a salt medium (37%), after 24 h of mating.

MeSH Terms
Conjugation, Genetic DNA, Bacterial Escherichia coli/drug effects,genetics,ultrastructure Genes, Bacterial Genetic Markers Mercury/pharmacology Pseudomonas/drug effects,genetics,ultrastructure R Factors Seawater Sodium Chloride/pharmacology Temperature Time Factors
Chemicals
DNA, Bacterial Genetic Markers Sodium Chloride Mercury
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Gauthier M J
Cauvin F
Breittmayer J P
References (11)
11 references, click to expand
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Article Info
Journal
Applied and environmental microbiology
Abbr.
Appl Environ Microbiol
ISSN
0099-2240
DOI
10.1128/aem.50.1.38-40.1985
Published
1985-07-00
Pages
38-40
Language
English
Region
United States
NLM ID
7605801
PMCID
PMC238569
Subset
IM
External Links
PubMed source DOI: 10.1128/aem.50.1.38-40.1985 PMC Full Text View journal details
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