V2EX muramic acid

Muramic Acid

定义 Definition

胞壁酸:一种存在于细菌细胞壁(肽聚糖)中的氨基糖衍生物,常以 N-乙酰胞壁酸(NAM, N-acetylmuramic acid) 的形式出现,是构成肽聚糖骨架的重要成分。(该词也可能在生化与微生物学语境中指其相关衍生物。)

发音 Pronunciation (IPA)

/mjrmk sd/

词源 Etymology

muramic 来自 murein(旧称,指细菌细胞壁的“肽聚糖”成分/黏液样壁质),与拉丁语 murus(“墙”)相关,强调其“细胞壁”背景;acid 表示其化学性质为酸性化合物。整体词义直指“细胞壁相关的酸”。

例句 Examples

Muramic acid is a key building block of bacterial cell walls.
胞壁酸是细菌细胞壁的重要构建单元。

Researchers measured muramic acid in samples to estimate bacterial biomass in the soil.
研究人员在样品中测定胆壁酸,以估算土壤中的细菌生物量。

相关词 Related Words

文学与著作 Literary Works

  • Brock Biology of Microorganisms(《布罗克微生物学》)在讲解肽聚糖结构与细菌细胞壁组成时提及(常与 N-乙酰胞壁酸/NAM 一同出现)。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在细胞结构与多糖/糖类衍生物相关章节中可能涉及相关概念(常与肽聚糖、氨基糖并列)。
  • Schleifer, K. H., & Kandler, O. (1972). “Peptidoglycan types of bacterial cell walls…” 经典综述/研究文献中讨论细胞壁肽聚糖组成时会涉及 NAM/胞壁酸相关内容。
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