V2EX comparative genomics

Comparative Genomics

定义 Definition

比较基因组学:通过比较不同物种(或不同个体、群体)的基因组序列与结构,研究基因的功能、进化关系、保守区域与差异变异的学科。常用于发现功能基因、推断进化历史、解释性状差异与疾病相关变异等。

发音 Pronunciation (IPA)

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例句 Examples

Comparative genomics helps scientists find genes shared by many species.
比较基因组学帮助科学家找到许多物种共同拥有的基因。

By combining comparative genomics with fossil evidence, researchers can better infer when key genetic changes occurred during vertebrate evolution.
将比较基因组学与化石证据结合,研究人员能更好地推断脊椎动物进化过程中关键遗传变化发生的时间。

词源 Etymology

comparative 来自拉丁语 comparare(“比较、对照”),强调“放在一起看差异与相似”;genomics 源于 genome(基因组)+ -ics(表示学科/领域的后缀),意为“关于基因组的研究”。合起来,“comparative genomics”即“以比较为方法的基因组研究”。(该术语在20纪末基因组测序技术发展后广泛流行。)

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Genome(Matt Ridley)科普语境中讨论基因组与跨物种比较思想时常涉及比较基因组学相关概念。
  • Principles of Genome Analysis and Genomics(Sandy B. Primrose & Richard Twyman)教材中以“comparative genomics”作为核心方法之一讲解基因组分析。
  • Comparative Genomics: Methods and Protocols(Methods in Molecular Biology 系列)方法学专著,标题与章节中大量直接使用该术语。
  • NatureSciencePNAS 等期刊的基因组论文在报告跨物种基因组对比、保守元件、系统发育推断时频繁出现该术语。
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