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猪的全基因组范围内Fox转录因子家族的识别和进化分析

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摘要 Fox蛋白是一类在后口生物界中广泛存在的转录因子,属于"螺旋-转角-螺旋"(helix-turn-helix)类蛋白的一个亚群。我们对其进行了全基因组的分析,探讨了此基因家族的分类。从猪中共识别27个含有Fox结构域的基因。通过利用Fox结构域内的氨基酸序列构建了NJ进化树,结果表明,27条基因内有20条分别归属到9个Fox基因家族中。本研究发现Fox基因在染色体上的分布呈不均衡性且存在3个基因簇。另外通过基因重复使得Fox基因家族得以扩增。基于人类Fox基因的研究结果,也讨论了猪Fox基因家族的功能分化和保守性。
出处 《黑龙江动物繁殖》 2010年第3期4-7,共4页 Heilongjiang journal of animal reproduction
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