Acceptance by Erwinia spp. of R plasmid R68.45 and its ability to mobilize the chromosome of Erwinia chrysanthemi.

Journal of Bacteriology
A K Chatterjee

Abstract

R plasmid R68.45 was transferred in broth matings from Escherichia coli to strains of Erwinia amylovora, E. carotovora subsp. atroseptica, E. chrysanthemi, and E. herbicola (Enterobacter agglomerans); the frequency of transfer ranged from 2 x 10(-8) to 5 x 10(-4) per input donor cell depending on the bacterial species. The drug resistance markers tet(+), amp(+), and kan(+) were stable in these Erwinia species. Transconjugants of Erwinia spp., but not of the wild-type parent Erwinia strains, acquired levels of antibiotic resistance (tetracycline, 50 mug/ml; ampicillin, 200 mug/ml; kanamycin 200 mug/ml) similar to those of the donor R68.45-bearing strain of Escherichia coli. Erwinia transconjugants (with one exception of E. carotovora subsp. atroseptica) were donors of the antibiotic resistance markers; the frequency of transfer was consistently higher with an E. coli strain than with Erwinia spp. as recipients, and when matings were done on a solid surface (membranes) rather than in liquid. Transfer of chromosomal markers ade(+), gal(+), gtu(+) (utilization of galacturonate), his(+), leu(+), lys(+), thr(+), and trp(+) occurred in crosses between E. chrysanthemi strains harboring R68.45 and appropriate recipient strains; the freq...Continue Reading

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Citations

Dec 1, 2000·Applied and Environmental Microbiology·A R PoplawskyW Chun
May 1, 1989·Molecular Microbiology·N Hugouvieux-Cotte-PattatJ Robert-Baudouy
Jun 5, 1998·Molecular Plant-microbe Interactions : MPMI·A R Poplawsky, W Chun
Jan 1, 1984·Molecular & General Genetics : MGG·F BarrasM Chippaux
Sep 1, 1983·Applied and Environmental Microbiology·M S Davidson, A O Summers
Feb 1, 1983·Applied and Environmental Microbiology·A K ChatterjeeD A Feese
Dec 1, 1985·Journal of Bacteriology·K J Forbes, M C Pérombelon
Oct 1, 1985·Journal of Bacteriology·D L Roeder, A Collmer
May 1, 1981·Antimicrobial Agents and Chemotherapy·D E TaylorP C Fleming
Mar 1, 1985·Applied and Environmental Microbiology·R T Zink, A K Chatterjee

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