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首页> 外文期刊>Biochemistry >NUCLEOPLASMIN-MEDIATED DECONDENSATION OF MYTILUS SPERM CHROMATIN - IDENTIFICATION AND PARTIAL CHARACTERIZATION OF A NUCLEOPLASMIN-LIKE PROTEIN WITH SPERM-NUCLEI DECONDENSING ACTIVITY IN MYTILUS CALIFORNIANUS
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NUCLEOPLASMIN-MEDIATED DECONDENSATION OF MYTILUS SPERM CHROMATIN - IDENTIFICATION AND PARTIAL CHARACTERIZATION OF A NUCLEOPLASMIN-LIKE PROTEIN WITH SPERM-NUCLEI DECONDENSING ACTIVITY IN MYTILUS CALIFORNIANUS

机译:核纤溶酶介导的mytilus精子染色质的缩合-鉴定和鉴定部分含脂蛋白的蛋白与精子-核素的脱活活性

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摘要

We have been able to induce sperm nuclear decondensation in the mussel Mytilus californianus (mollusc) using either egg extracts or pure nucleoplasmin from Xenopus (amphibian). The nuclear decondensation involves removal of the sperm nuclear basic proteins (SNBPs) which bind to nucleoplasmin. An attempt has been made to isolate an ooplasmic factor from Mytilus with a similar sperm-chromatin decondensing activity. An acidic, thermostable protein with a molecular mass of 58 000 has been purified and partially characterized.
机译:我们已经能够使用非洲爪蟾(两栖动物)的卵提取物或纯核纤溶酶在贻贝加利福尼亚贻贝(软体动物)中诱导精子核的缩聚。核的缩合涉及去除与核纤溶酶结合的精子核碱性蛋白(SNBP)。已经尝试从Mytilus中分离具有类似精子-染色质去缩活性的卵质因子。已纯化并部分表征了分子量为58 000的酸性,热稳定蛋白。

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