V2EX photomorphogenesis

Photomorphogenesis

定义 Definition

光形态建成:植物(尤其是幼苗)在光信号作用下发生的一系列生长与发育变化,例如抑制胚轴伸长、子叶展开、叶绿体发育与相关基因表达改变。该词也常用于更广义的“光调控发育”。(在不同语境中还可涉及不同波段光与不同受体的调控过程。)

发音 Pronunciation (IPA)

/fotomrfdnss/

例句 Examples

Seedlings show photomorphogenesis when exposed to light.
幼苗在光照下会表现出光形态建成。

Photomorphogenesis integrates signals from phytochromes and cryptochromes to reshape gene expression and development in young plants.
光形态建成会整合来自光敏色素与隐花色素的信号,从而重塑幼小植物的基因表达与发育过程。

词源 Etymology

该词由三部分构成:**photo-**(光)+ **morpho-**(形态、形状)+ -genesis(生成、发生)。字面意思是“由光引发的形态发生/生成”。在植物生理学与发育生物学中用于描述光作为关键信号时对形态与发育的调控。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Taiz & Zeiger, Plant Physiology and Development(植物生理学经典教材章节中常讨论 photomorphogenesis 与光受体信号通路)
  • Kendrick & Kronenberg (eds.), Photomorphogenesis in Plants(专门以光形态建成为主题的学术著作)
  • **The Arabidopsis Book(美国植物生物学家学会 ASBP/ASP B 的综述资源,多篇条目涉及 photomorphogenesis)
  • Mohr & Schopfer, Plant Physiology(教材中常以该术语统称光调控发育过程)
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