TRYPTOPHAN-REQUIRING PARENTAL STRAINS YIELDSALMONELLA TYPHIMURIUM×ESCHERICHIA COLIHYBRID RECOMBINANTS WITH FUNCTIONAL TRYPTOPHAN OPERONS
Crosses between an Escherichia coli Hfr trp strain and three Salmonella typhimurium F−trp strains produced some trp+hybrids in which the tryptophan operon is composed of genes from both parental species.
1978 ◽
Vol 121
(2)
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pp. 153-177
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1980 ◽
Vol 144
(2)
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pp. 143-161
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1980 ◽
Vol 144
(2)
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pp. 133-142
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1973 ◽
Vol 80
(4)
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pp. 801-823
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1983 ◽
Vol 80
(10)
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pp. 2879-2883
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2011 ◽
Vol 1
(1zero)
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pp. 141
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