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Science 11 March 1977:
Vol. 195. no. 4282, pp. 998 - 1000
DOI: 10.1126/science.402693
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Articles

Science, Vol 195, Issue 4282, 998-1000
Copyright © 1977 by American Association for the Advancement of Science

articles

Conjugal transfer of the gonococcal penicillinase plasmid

BI Eisenstein, T Sox, G Biswas, E Blackman, and PF Sparling

Certain gonococci, which heretofore have lacked a conjugal mating system, can sexually transfer a small plasmid (4.5 x 10)6) daltons) which carries the gene for beta-lactamase production. Frequencies of conjugal transfer were similar into diverse recipients (other gonococci, Neisseria flava, and Escherichia coli), which suggests that gonococci may transfer the plasmid promiscuously in nature.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)