V2EX model organism

Model Organism

定义 Definition

模式生物:在生物学研究中被广泛使用的物种,用来代表性地研究某类生命现象(如遗传、发育、疾病机制等),因为它们通常易于饲养、繁殖快、基因信息清楚或实验工具成熟。常见模式生物包括果蝇、小鼠、线虫、斑马鱼、拟南芥、酵母等。

发音 Pronunciation (IPA)

/mdl rnzm/

例句 Examples

A fruit fly is a classic model organism in genetics.
果蝇是遗传学中经典的模式生物。

Because its genome is well annotated and many tools exist, the zebrafish has become a powerful model organism for studying vertebrate development and disease.
由于其基因组注释完善且实验工具丰富,斑马鱼已成为研究脊椎动物发育与疾病的强大模式生物。

词源 Etymology

model 原意为“模型、范例”,来自拉丁语 modulus(“尺度、标准”之意);organism 来自希腊语 organon(“器官、工具”相关词源),后在现代科学语境中固定为“生物体”。合在一起,model organism 字面即“作为范例的生物体”,强调它在实验中充当可推广的研究对象。该术语主要在近现代实验生物学体系成熟后普及。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Franois Jacob, The Logic of Life: A History of Heredity(《生命的逻辑:遗传史》):讨论遗传学与分子生物学发展中,典型实验材料(可视为模式生物体系)的作用。
  • James D. Watson, Molecular Biology of the Gene(《基因的分子生物学》):在介绍分子遗传学时常结合经典研究对象与实验系统(模式生物思路)。
  • Evelyn Fox Keller, The Century of the Gene(《基因的世纪》):涉及基因概念与实验生物学实践的演变,包含对研究体系与代表性实验对象的讨论。
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