Temperature sensitive. A general purpose plasmid vector for cloning in Bacillus subtilis. Medium is 1179 V Y medium. Hosts: Bacillus subtilis BD170, Bacillus, Staphylococcus aureus. Related vectors: pBD, pBD8, pBD9, pBD10, pBD11, pBD12, pBD20, pBD35.