肺鱼干扰素调节因子1基因(irf-1)的克隆及其在肉鳍类中的分子进化
肉鳍类是脊椎动物的重要类群,分为总鳍鱼类和四足类.其中总鳍鱼类现生的物种包括腔棘鱼和肺鱼.四足动物则包括两栖类、爬行类、鸟类和哺乳类.为了比较肉鳍类irf-1基因的结构特点和系统发育意义,本研究克隆了肺鱼irf-1基因cDNA全序列,并与肉鳍类中其他物种的irf-1基因进行了比对分析.IRF是与自然免疫相关的蛋白质,目前已发现了11个家族成员,其中irf-1和irf-2是最先被发现的2个成员,在天然免疫中起着重要的作用.但有关IRF-1的报道主要集中在哺乳动物,其他类群中鲜有报道.与已报道的irf ...
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