V2EX mannan

Mannan

释义 Definition

mannan(甘露聚糖):一种由甘露糖(mannose)为主要组成单元构成的多糖,常见于植物细胞壁(属于半纤维素的一类)以及酵母、真菌等微生物的细胞壁成分中;在免疫学与微生物学中也常指与病原体表面相关的mannan结构。该词在日常英语中不常用,主要用于生物化学与生命科学语境。

发音 Pronunciation (IPA)

/mnn/

词源 Etymology

来自 mannose(甘露糖)+ -an(常用于表示“……聚合物/多糖”的后缀,如 glucan)。因此 mannan 字面含义就是“由甘露糖聚合而成的多糖”。

例句 Examples

Mannan is a polysaccharide found in many plant cell walls.
甘露聚糖是一种存在于许多植物细胞壁中的多糖。

The immune system can recognize mannan on fungal surfaces, which helps trigger an inflammatory response.
免疫系统能够识别真菌表面的甘露聚糖,这有助于触发炎症反应。

相关词 Related Words

文献与作品 Notable Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)在糖类/多糖与细胞结构相关章节中常出现该术语
  • Brock Biology of Microorganisms(《布洛克微生物学》)讨论真菌/酵母细胞壁成分时常涉及 mannan
  • Medical Microbiology(多本经典《医学微生物学》教材版本)在念珠菌等真菌的细胞壁抗原与免疫识别部分可见 mannan
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