Affiliation:
1. Department of Microbiology, School of Medicine, Gunma University, Maebashi, Japan
Abstract
Harada, Kenji
(Gunma University, Maebashi, Japan),
Mitsuo Kameda, Mitsue Suzuki, and Susumu Mitsuhashi
. Drug resistance of enteric bacteria. II. Transduction of transmissible drug-resistance (R) factors with phage epsilon. J. Bacteriol.
86:
1332–1338. 1963.—Transmissible drug-resistance (R) factors, which transfer resistance to tetracycline (TC), chloramphenicol, streptomycin, and sulfonamide by cell-to-cell contact, were found to be transduced in the system of
Salmonella
E group with phage epsilon (ε
15
and ε
34
). The R
+
transductants of
S. newington
(S-84) and
S. chittagong
(S-224) were all found to be unable to transfer their R factors by conjugation, and their R factors were not eliminated by treatment with acridine dyes so far as tested. The R factors containing TC resistance were consistently segregated when transduced. At low multiplicities of infection, the R
+
transductants with ε
15
were all nonlysogenic and unable to produce normal ε
15
phage particles; among the R
+
transductants with ε
34
, 34% were lysogenic and 66% were sensitive to ε
34
.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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