ISSN:
1617-4623
Keywords:
Key wordsmbrC
;
secE
;
nusG
;
Escherichia coli
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract The mbrC17 mutation in Escherichia coli had been shown to cause conditional growth defects and an increase in the quantity of DNA per cell. The present work was aimed at identifying the mutation. Sequencing showed that the MbrC17 phenotype does not involve glr (murI), as previously suggested. P1 transduction data indicated that the mbrC17 mutation is closely linked to rpoB, and allele exchange showed it to lie within the secE-nusG operon. A single change relative to wild type was found in the secE-nusG region from the mbrC17 strain, a G → A mutation 23 bp upstream of the secE coding sequence. This mutation causes a two-fold increase in the concentration of secE-nusG mRNA.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s004380050572
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