V2EX actinobacteria

ACTINOBACTERIA

释义 Definition(中文)

放线菌门/放线菌类群:一大类革兰氏阳性细菌(常见为高 G+C 含量),许多种类生活在土壤与人体等环境中;其中一些能形成丝状菌丝样结构,并且以产生多种抗生素与天然产物而著名(如 Streptomyces 属)。日常语境里也常泛指“放线菌类细菌”。(更细分的分类与命名在不同教材/系统中可能略有差异。)

例句 Examples

Actinobacteria are common in soil.
放线菌类细菌在土壤中很常见。

Because many Actinobacteria produce bioactive compounds, researchers screen soil samples to discover new antibiotics and other drugs.
由于许多放线菌类细菌能产生具有生物活性的化合物,研究人员会筛查土壤样本以发现新的抗生素和其他药物。

发音 Pronunciation(IPA)

/ktnobktri/

词源 Etymology(中文)

该词由 actino-(源自希腊语 aktis/aktinos,意为“光线、放射状”)+ bacteria(细菌)构成,最初用来强调这类微生物中不少成员呈现放射状或丝状的形态特征。相关历史上也常与旧称 actinomycetes(放线菌) 的概念交织。

关词 Related Words

文学/著作中的用例 Literary Works(举例)

  • Bergey’s Manual of Systematic Bacteriology(《伯杰氏系统细菌学手册》):系统分类学中频繁出现 Actinobacteria
  • Brock Biology of Microorganisms(《布洛克微生物学》):介绍细菌分类、放线菌类群与抗生素来源时常用该词。
  • I Contain Multitudes by Ed Yong(《我体内的亿万居民》):讨论人体微生物组时会提及包括 Actinobacteria 在内的主要类群。
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