1887

Abstract

Two fertility-inhibition functions which reduce R388 (IncW) transfer were detected on RP1 (60 kb, IncP). The respective genes, and , were mapped by transposon insertion mutagenesis to the regions between coordinates 32·8 to 31·7 kb (), and 59·8 to 0·8 kb (). The function occurs in a non-essential region of RP1 whereas is straddled by essential plasmid-maintenance and host-range determinants and apparently coincides (or overlaps) with the gene for tellurite-resistance.

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/content/journal/micro/10.1099/00221287-135-3-499
1989-03-01
2024-12-12
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