V2EX arabinose

Arabinose

定义 Definition

arabinose阿拉伯糖,一种五碳单糖(戊糖),常见于植物细胞壁的多糖中(如阿拉伯聚糖、果胶等),也常用于微生物学与分子生物学实验中(例如诱导某些基因表达系统)。在生物化学里常见形式包括 L-arabinose。(该词也可指其相关的化学/生化背景用法。)

发音 Pronunciation

/rbnos/

例句 Examples

Arabinose is a type of sugar found in plants.
阿拉伯糖是一种存在于植物中的糖。

In microbiology, L-arabinose can be used to induce gene expression by activating the ara operon in certain bacteria.
在微生物学中,L-阿拉伯糖可用于诱导基因表达,因为它能在某些细菌中激活阿拉伯糖操纵子(ara operon)。

词源 Etymology

arabinose 源自 Arabia(阿拉伯) 的词根 arabin- 加上化学命名中常见的糖类后缀 -ose(表示“糖”)。之所以与“阿拉伯”相关,是因为这种糖最早与某些来自阿拉伯胶(gum arabic,阿拉伯树胶)等植物来源的物质研究有关,命名体现了早期发现与材料来源之间的联系。

相关词 Related Words

文学与名著出现 Notable Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在糖类与代谢/结构多糖相关章节中常涉及戊糖与植物多糖成分,可能出现 arabinose
  • Molecular Biology of the Cell(《细胞的分子生物学》):在原核基因调控与经典操纵子例子相关内容中,常与 ara operon(阿拉伯糖操纵子)一起出现。
  • Brock Biology of Microorganisms(《布洛克微生物学》):在微生物代谢与基因调控、实验系统(诱导表达)相关叙述中常见 arabinose
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