V2EX lysogenic

Lysogenic

定义 Definition

lysogenic(溶原的):指某些温和噬菌体把自身遗传物质整合进细菌染色体中,作为前噬菌体(prophage)长期潜伏复制,而不立即导致宿主细胞裂解死亡的状态或过程。该词也常用于描述与溶原周期(lysogeny)相关的现象(如溶原菌株、溶原转换等)。

发音 Pronunciation (IPA)

/lasdnk/

例句 Examples

The bacterium is lysogenic, carrying the phage DNA without being destroyed.
这种细菌处于溶原状态,携带噬菌体DNA而不会被破坏。

Under stress, a lysogenic phage can switch to the lytic cycle and rapidly produce new viruses.
在压力条件下,溶原性噬菌体可能转入裂解周期并迅速产生大量新病毒。

词源 Etymology

来自 **lyso-**(与“溶解、裂解”相关的构词成分,常见于 lysis “裂解”)+ -genic(“产生……的、引起……的”)。整体含义可理解为“与溶原(潜伏整合)状态相关/能够引发溶原状态的”。在微生物学语境中,它专指噬菌体与细菌之间的一种“潜伏整合式”关系。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Franois Jacob & lie Wollman 的经典研究论文与专著(如关于噬菌体与溶原性的研究著述)中频繁使用 lysogenic 来描述溶原菌与前噬菌体现象。
  • Molecular Biology of the Gene(Watson 等,分子生物学经典教材)在讲述噬菌体(尤其是 λ 噬菌体)生命周期时使用 lysogenic(溶原)与 lytic(裂解)作核心对照。
  • Fields Virology(病毒学权威参考书)在病毒复制策略与噬菌体章节中使用 lysogenic 讨论温和噬菌体的潜伏整合与诱导机制。
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