V2EX indole-3-acetic acid

Indole-3-acetic acid

释义 Definition

吲哚-3-乙酸(IAA):一种最常见、最重要的天然生长素(auxin),属于植物激素,主要调控细胞伸长、顶端优势、根的形成、向光性/向地性以及果实发育等过程。(在化学与生物学语境中也常以缩写 IAA 出现。)

发音 Pronunciation (IPA)

/ndol θri sitk sd/

例句 Examples

Indole-3-acetic acid helps plants grow toward light.
吲哚-3-乙酸帮助植物朝向光的方向生长。

Changes in indole-3-acetic acid levels can alter root development and overall plant architecture.
吲哚-3-乙酸水平的变化会影响根系发育,并改变植物整体形态结构。

词源 Etymology

该术语由三部分构成:indole(吲哚,含氮芳香杂环)+ 3(取代位置在第3位)+ acetic acid(乙酸),意思是“在吲哚环的3位连接乙酸侧链的化合物”。它作为植物生长素的代表,常在植物生理学与生物化学文献中以 IAA 指代。

相关词 Related Words

文学作品 Literary Works

  • The Botany of Desire(Michael Pollan)
  • The Power of Movement in Plants(Charles Darwin & Francis Darwin)
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