V2EX murein

Murein

释义 Definition

murein(粘肽/肽聚糖):细菌细胞壁的主要结构成分之一,由糖链与短肽交联形成坚固的网状层,帮助细菌维持形状并抵抗渗透压。在很多教材中,murein 常与 peptidoglycan(肽聚糖)同义使用

发音 Pronunciation (IPA)

/mjrin/

例句 Examples

Bacteria need murein to keep their cell walls strong.
细菌需要粘肽来保持细胞壁坚固。

Because murein forms a cross-linked mesh, it protects bacteria from bursting in dilute environments.
由于粘肽形成交联的网状结构,它能保护细菌在低渗环境中不至于胀裂。

词源 Etymology

murein 来自德语与早期细菌学用语传统,词根与“**Mur-**(如 muramic acid,胞壁酸)”相关,指向细菌细胞壁中特有的糖类成分与结构。随着生物化学命名趋于统一,现代文献中更常用 peptidoglycan,而 murein 多见于部分教材或较早/特定学术传统的表述。

相关词 Related Words

文学与著作 Notable Works

由于 murein 是偏专业的微生物学术语,它主要出现在教材与学术著作中,例如:

  • Brock Biology of Microorganisms(《布洛克微生物学》)
  • Prescott’s Microbiology(《普雷斯科特微生物学》)
  • Jawetz, Melnick & Adelberg’s Medical Microbiology(《贾韦茨医学微生物学》)
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
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