Exclusion, superinfection immunity and abortive recombinants in I + × I + bacterial crosses
- 1 February 1969
- journal article
- research article
- Published by Hindawi Limited in Genetics Research
- Vol. 13 (1) , 113-115
- https://doi.org/10.1017/s0016672300002809
Abstract
I + × I + crosses were studied, using various Coll plasmids. Exclusion due to presence of Coll in recipients was removed by starvation, with production of I – phenocopies. Superinfection immunity prevented normal replication of transferred genes: thus,Itrp+ donated to an I +trp– recipient led to formation of abortive recombinants.Keywords
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