In conclusion, SSH library between B. anthracis A16 and A16R had been constructed and 9 DNA sequences that were present in B. anthracis A16 but absent from the non-anthrax-causing B. anthracis A16R genomes were isolated.

• 通过Southern blot的初步筛选和PCR复筛，发现了9个只存在于炭疽杆菌A16中的差异片段。