we report that transformation of streptomyces lividans with cloned dna of the slp1 genetic element results in integration of the element at the same chromosomal locus ( attb ) normally occupied by slp1 in its original host , streptomyces coelicolor , and in s. lividans that has received slp1 by mating .
C0008633
chromosomal
C1708726
locus