1887

Abstract

SUMMARY: The expression of the and sporulation loci of was examined by using DNA-RNA hybridization to detect the time of appearance of their corresponding mRNA molecules in wild-type and asporogenous mutants of . From the size of the mRNA molecules it is clear that both the and loci are polycistronic operons. Neither of the mRNA molecules is polyadenylated. The results also indicate the operon is regulated by two promoters which become functional at different times.

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1986-11-01
2021-05-19
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