Formation of recombinants between nontransmissible drug-resistance determinants and transfer factors.

Noninfectious drug-resistance determinants acquired conjugal transmissibility by the formation of recombinants with transfer factors, suggesting the origin of R factors.

Drug resistance of enteric bacteria. 8. Chromosomal location of nontransferable R factor in Escherichia coli.

The R(21)(TC) factor, obtained by transduction of the R(10)(TC.CM.SM.

Drug resistance of enteric bacteria. V. High frequency of transduction of R factors with bacteriophage epsilon.

Kameda, Mitsuo (Gunma University, Maebashi, Japan), Kenji Harada, Mitsue Suzuki, and Susumu Mitsuhashi. Drug resistance of enteric bacteria. V.

DRUG RESISTANCE OF ENTERIC BACTERIA. 3. ACQUISITION OF TRANSFERABILITY OF NONTRANSMISSIBLE R(TC) FACTOR IN COOPERATION WITH F FACTOR AND FORMATION OF FR(TC).

Harada, Kenji (Gunma University, Maebashi, Japan), Mitsuo Kameda, Mitsue Suzuki, and Susumu Mitsuhashi. Drug resistance of enteric bacteria. III.

DRUG RESISTANCE OF ENTERIC BACTERIA. II. TRANSDUCTION OF TRANSMISSIBLE DRUG-RESISTANCE (R) FACTORS WITH PHAGE EPSILON.

Harada, Kenji (Gunma University, Maebashi, Japan), Mitsuo Kameda, Mitsue Suzuki, and Susumu Mitsuhashi. Drug resistance of enteric bacteria. II.

Combination of two types of transmissible drug-resistance factors in a host bacterium.

Mitsuhashi, Susumu (Gunma University, Maebashi, Japan), Kenji Harada, Hajime Hashimoto, Mitsuo Kameda, and Mitsue Suzuki. Combination of two types of transmissible drug-resistance factors in a host bacterium. J.