Differential expression of principal sigma factor homologues of Streptomyces aureofaciens correlates with the developmental stage.
Nucleic Acids Res. 1993 Aug 11;21(16):3647-52. doi: 10.1093/nar/21.16.3647.
Nucleic Acids Res. 1993.
PMID: 8367281
Free PMC article.