V2EX isoprenoid

Isoprenoid

定义 Definition

异戊二烯类化合物;萜类/萜烯类相关化合物:一大类天然有机分子,结构上通常可看作由重复的“异戊二烯(isoprene)五碳单元”拼接而成。常见于植物精油、色素(如类胡萝卜素)、激素、以及细胞膜相关分子(如某些醌类侧链)等。(注:在不同学科语境中也常与 terpenes/terpenoids 密切相关。)

发音 Pronunciation (IPA)

/asoprnd/

例句 Examples

Isoprenoids are common in plants and give many herbs their smell.
异戊二烯类化合物在植物中很常见,许多香草的气味都与它们有关。

In biochemistry, isoprenoid chains can be attached to proteins, helping them anchor to cell membranes.
在生物化学中,异戊二烯链可以连接到蛋白质上,帮助蛋白质锚定在细胞膜上。

词源 Etymology

isoprenoidisoprene(异戊二烯,一种五碳烃)+ 后缀 -oid(“……样的/类似……的”)构成,字面意思是“像异戊二烯的(化合物)”。该词用于强调这些分子在结构上与“异戊二烯单元重复”这一模式有关。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)讨论异戊二烯类在代谢与生物膜相关分子中的作用。
  • Biochemistry (Berg, Tymoczko & Stryer)(《斯特赖尔生物化学》)涉及萜类/异戊二烯类的生物合成与功能。
  • Molecular Biology of the Cell(《细胞的分子生物学》)常在膜定位、脂质修饰与相关通路中提及异戊二烯衍生物。
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