5、顶体中,是溶解卵黄膜、促进受精作用的重要蛋白质,决定了贻贝种间精卵识别的特异性。本实验采用Triol法提取厚壳贻贝雄性性腺组织总RNA,反转录为cDNA作为模板,克隆M7lysin基因。三、研究步骤、方法及措施:1.提取厚壳贻贝性腺组织总RNA的提取;2.利用反转录试剂盒对RNA进行逆转录获得cDNA;3.通过对管家基因β-actin进行PCR扩增检测模板完整情况。4.通过已发表的贻贝的M7lysin的基因序列,设计兼并性引物扩增M7lysin基因。四、参考文献[1].Vacquier V D. Evolution of gamete recognition protein
6、[J]. Science, 1998, 281(5385): 1995-1998.[2]. Mozingo N M, Vacquier V D, Chandler D E. Structural features of the abalone egg extracellar matrix and its role in gamete in-teraction during fertilization [J]. Mol Rep And Devel, 1995,41: 493-502.[3]. Swanson W J, Vacquier V D. The abalone egg
7、receptor for sperm lysine is a giant multivalent molecule [J]. Proc Natl Acad SciUSA, 1997, 94: 6724-6729.[4].Swanson W J, Vacquier V D. Extraordinary divergence and positive Darwinain selection in a insagenic protein coating the acrosomal process of aba