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. 1986 Jan;165(1):204-14.
doi: 10.1128/jb.165.1.204-214.1986.

Mapping of rRNA genes with integrable plasmids in Bacillus subtilis

G LaFauci, R L Widom, R L Eisner, E D Jarvis, R Rudner

Mapping of rRNA genes with integrable plasmids in Bacillus subtilis

G LaFauci et al. J Bacteriol. 1986 Jan.

Abstract

Integrable plasmids pGR102 and pWR103 containing ribosomal sequences from within the transcriptional units for 16S and 23S were used to transform Bacillus subtilis. To date, these plasmids integrated into 7 of 10 known rrn operons. Two such events occurred at unassigned operons, revealing a close linkage of the CAT gene of the plasmid to pha-1 situated between dal-1 and purB33 for rrnE and to thiA78 situated between glyB133 and re-12 for rrnD. All seven integration events that led to the loss of unique ribosomal BclI fragments can now be assigned to known rrn operons.

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