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斑马鱼DrSpin-1基因的克隆和特征分析
Authors
孙敏
桂建芳
王晓磊
Publication date
1 January 2012
Publisher
Abstract
Spin蛋白家族是具有Spin/Ssty保守结构域并在配子发生过程中发挥关键作用的一类分子。研究利用简并引物PCR,从斑马鱼成熟卵母细胞SMART cDNA文库中筛选到260 bp的DrSpin-1和DrSpin-2部分序列,经序列同源性比对,斑马鱼DrSpin-1的部分氨基酸序列与银鲫CagSpin一致性高达81%。利用RACEPCR从该cDNA文库中获得斑马鱼DrSpin-1的全长cDNA序列。序列分析表明,DrSpin-1全长cDNA为1082 bp,开放阅读框771 bp,编码257个氨基酸,具有三个Spin/Ssty保守域,8个可能的磷酸化位点,初步确定斑马鱼DrSpin-1是Spin基因家族成员。斑马鱼DrSpin-1蛋白与已报道的鱼类Spin蛋白多重序列比对表明,DrSpin-1蛋白与银鲫CagSpin蛋白同源性最高。可以推测克隆得到的斑马鱼DrSpin-1与已知功能的银鲫CagSpin具有相近的表达谱和生物学功能,可能在配子发生和受精过程中发挥重要作用
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/17429
Last time updated on 15/03/2018