V2EX lysozyme

Lysozyme

释义 Definition

溶菌酶:一种具有抗菌作用的酶,能破坏细菌细胞壁中的肽聚糖,从而使细菌裂解。常见于泪液、唾液、蛋清以及部分免疫细胞中。(也可指更广义的相关酶类,但最常用即上述含义。)

发音 Pronunciation (IPA)

/laszam/

例句 Examples

Lysozyme is found in tears and helps protect the eyes from infection.
溶菌酶存在于泪液中,有助于保护眼睛免受感染。

Because lysozyme breaks down bacterial cell walls, it is often used in labs to lyse certain bacteria during experiments.
由于溶菌酶能分解细菌细胞壁,它常被用于实验室中裂解特定细菌以进行实验。

词源 Etymology

lyso- 来自希腊语词根,表示“溶解、分解”(与 lysis “裂解”同源);**-zyme** 来自希腊语 zymē,意为“发酵”,后来在现代科学语境中用于表示“酶”。合起来即“能引起裂解作用的酶”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Alexander Fleming 的论文 On a Remarkable Bacteriolytic Element Found in Tissues and Secretions(1922)中系统描述了溶菌酶(lysozyme)的发现与性质。
  • 生物化学与分子生物学经典教材(如 LehningerPrinciples of Biochemistry)常以 lysozyme 作为讲解蛋白质结构与酶作用机制的代表性例子。
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