Abstract
Superinfection immunity is found in the conjugal transfer of R factors between two fi(+) R factors and between two fi(-) R factors (fi = fertility inhibition), as we reported previously. In contrast, no reduction in the frequencies of transduction of an fi(+) R factor 222 was caused by the presence of fi(+) R factors in the recipients in transduction systems with phage P1kc in Escherichia coli K-12 and with phage P22 in Salmonella typhimurium LT-2. The absence of superinfection immunity in transduction may be due to the difference in the route of entry of the R factor. The frequencies of transduction of an fi(+) R factor were reduced, although slightly, by the presence of fi(-) R factors in the recipients. This reduction is probably due to host-controlled restriction of the entering fi(+) R factor by the fi(-) R factors in the recipients, since transduction of an fi(+) R factor by the transducing phage propagated on the strain carrying both fi(+) and fi(-) R factors was not reduced by the presence of homologous fi(-) R factors in the recipients. The fi(+) R factor 222, when transduced to the recipient strains carrying other R factors, recombined genetically at high frequencies with these resident R factors, regardless of their ...Continue Reading
References
Jun 1, 1966·Journal of Molecular Biology·R RowndA Nakamura
Oct 28, 1967·Nature·A M LawnN Datta
Feb 1, 1968·Journal of General Microbiology·M OkadaT Miyake
Nov 1, 1968·Journal of Bacteriology·T WatanabeS Sakaizumi
Jun 1, 1965·Transactions of the New York Academy of Sciences·C C Brinton
Jan 1, 1965·Annual Review of Microbiology·W Arber
Feb 1, 1966·Genetical Research·E Meynell, N Datta
Aug 21, 1965·Nature·E Meynell, N Datta
May 1, 1966·Journal of Molecular Biology·S FalkowJ A Wohlhieter
May 27, 1967·Nature·E Meynell, N Datta
May 1, 1961·Journal of Bacteriology·T WATANABE, T FUKASAWA
Aug 1, 1961·Journal of Bacteriology·T WATANABE, T FUKASAWA
Mar 1, 1963·Bacteriological Reviews·T WATANABE
Sep 1, 1964·Journal of Bacteriology·T WATANABES SATO
Sep 1, 1964·Proceedings of the National Academy of Sciences of the United States of America·C C BRINTONJ CARNAHAN
Jan 1, 1965·Genetics·W ARBER, M L MORSE
Aug 1, 1966·Journal of Bacteriology·T WatanabeS Sato
Citations
Jan 1, 1973·Journal of Bacteriology·E Meynell, A Ewins
Jun 1, 1971·Journal of Bacteriology·R Nakaya, R Rownd
Jul 1, 1974·Journal of Bacteriology·P GuerryN Datta
Jun 1, 1969·Bacteriological Reviews·R P Novick
Apr 1, 1970·Journal of Bacteriology·M Yoshikawa, K Sakai
May 1, 1970·Journal of Bacteriology·T Watanabe, Y Ogata
Mar 1, 1974·Antimicrobial Agents and Chemotherapy·N Datta, J Olarte
Nov 1, 1969·Journal of Bacteriology·R V Iyer, V N Iyer
May 1, 1977·Journal of Bacteriology·P M Chandler, V Krishnapillai
Apr 29, 2008·Plasmid·M Pilar Garcillán-Barcia, Fernando de la Cruz