Improved CTAB method was used to extract the six tissues DNA, (such as sexual gland, zool, mantle, adductor muscle, gill, liver).

• 采用改良CTAB法提取蚌的性腺、斧足、外套膜、闭壳肌、鳃、肝脏六个主要组织器官的基因组DNA，发现性腺的提取效果最好，提取过程中研磨容易，水浴消化时间短，DNA电泳带型最清晰；