examination of the genomic dna from several sources using the cloned 6.5 kb ssti fragment from s. venezuelae isp5230 as a probe showed a hybridizing region in the dna from s. venezuelae 13s but none in the dna from another chloramphenicol producer , streptomyces phaeochromogenes nrrlb 3559 .
C0000702
a
C0012854
dna