V2EX metagenomics

Metagenomics

定义 Definition

宏基因组学:直接从环境样本(如土壤、海水、人体肠道等)中提取并测序全部微生物群落的遗传物质(DNA/RNA),以研究其中有哪些微生物、它们具备哪些功能以及群落结构如何变化。常用于研究无法在实验室培养的微生物。

发音 Pronunciation

/met.dnmks/

例句 Examples

Metagenomics helps scientists identify microbes in seawater.
宏基因组学帮助科学家识别海水中的微生物。

Using metagenomics, researchers reconstructed microbial genomes from gut samples to link community functions with disease risk.
研究人员利用宏基因组学从肠道样本中重建微生物基因组,从而将群落功能与疾病风险联系起来。

词源 Etymology

metagenomics由 **meta-**(“超越、在……之外”;在此可理解为“整体层面/群落层面”)与 genomics(“基因组学”)组合而成,强调研究对象不是单一生物的基因组,而是一个环境中“混合群落”的总体遗传信息。该术语在21世纪微生物生态与高通量测序发展中迅速普及。

相关词 Related Words

文学与著作中的使用 Literary Works

  • Metagenomics: Current Innovations and Future Trends(综述与专著中高频出现,用于系统讨论宏基因组学方法与应用)
  • Principles of Metagenomics(教材/学术著作常见标题词,集中阐述宏基因组学基本概念与技术流程)
  • NatureScienceThe ISME Journal 等期刊的宏基因组学研究论文(该词在标题、摘要与方法部分常见)
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