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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Ancient origin of the complement lectin pathway revealed by molecular cloning of mannan binding protein-associated serine protease from a urochordate, the Japanese ascidian, Halocynthia roretzi
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Ancient origin of the complement lectin pathway revealed by molecular cloning of mannan binding protein-associated serine protease from a urochordate, the Japanese ascidian, Halocynthia roretzi

机译:补体凝集素途径的古代起源是通过分子克隆甘露聚糖结合蛋白相关的丝氨酸蛋白酶而揭示的,该丝氨酸蛋白酶来自一种urochordate,日本海鞘,Halocynthia roretzi

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摘要

Recent identification of a C3-like gene in sea urchins revealed the presence of a complement system in invertebrates. To elucidate further the components and func- tion of the pre-vertebrate complement system, we attempted to isolate an ascidian (urochordata) C3 convertase. After iden- tification of C3 cDNA from Halocynthia roretzi, a Japanese ascidian, reverse transcriptase-PCR amplification of hepa- topancreas RNA was performed using primers encoding highly conserved amino acid sequences of the vertebrate Bf and C2 serine protease domain.
机译:最近在海胆中鉴定出一个类似于C3的基因,这表明无脊椎动物中存在补体系统。为了进一步阐明椎骨前补体系统的组成和功能,我们试图分离一种海鞘(urochordata)C3转化酶。鉴定出日本轮虫(Halocynthia roretzi)的C3 cDNA后,用编码脊椎动物Bf和C2丝氨酸蛋白酶结构域高度保守的氨基酸序列的引物进行了肝胰腺RNA的逆转录酶PCR扩增。

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