Multifunctional regulatory mutation in Bacillus subtilis flavinogenesis system

Multifunctional regulatory mutation in Bacillus subtilis flavinogenesis system Among Bacillus subtilis riboflavin-resistant mutants we identified one, which differed from other regulatory mutants by overproduction of riboflavin and simultaneous upregulation of the ribC gene encoding flavokinase/FAD-synthase. Genetic and biochemical analysis showed that the ribU1 mutation determines a trans-acting factor that simultaneously regulates activity of riboflavin and truB-ribC-rpsO operons. Regulatory activity of the ribU1 mutation comprises about 10% of Rfn element activity on interaction with flavins. The ribU1 mutation can be presumably ascribed to a gene of the transcriptional regulators family. Russian Journal of Genetics Springer Journals

Multifunctional regulatory mutation in Bacillus subtilis flavinogenesis system

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SP MAIK Nauka/Interperiodica
Copyright © 2009 by Pleiades Publishing, Ltd.
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
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