… In mammalian sperm, the acrosome process is not formed. The main hydrolase released during the acrosome reaction is a protease called acrosin. In mammalian sperm, hyaluronidase is also one of the main enzymes, but the content varies by species. … From 【Sperm】… The acrosome is thought to be a specialized structure of the lysosome, an organelle of normal cells, and contains many hydrolases. The most important is acrosin, a protease specific to the acrosome. Others include acid phosphatases, nonspecific esterases, and hyaluronidases. … *Some of the terminology that mentions "acrosin" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…哺乳類精子では,先体突起は形成されない。先体反応に伴って放出される加水分解酵素の主要なものは,アクロシンacrosinと呼ばれるタンパク質分解酵素である。哺乳類精子では,ヒアルロニダーゼも主要な酵素の一つにあげられるが,含量には種による違いがある。… 【精子】より… 先体は通常細胞の細胞小器官であるリソソームが特殊な分化を遂げた構造と考えられ,多くの加水分解酵素を含有する。最も重要なのはアクロシンacrosinと呼ばれる先体に特異的なタンパク質分解酵素である。ほかに酸性ホスファターゼ,非特異的エステラーゼ,ヒアルロニダーゼなどが含まれる。… ※「acrosin」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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