V2EX lysogeny

Lysogeny

定义 Definition

溶原性;溶原状态:指某些噬菌体(温和噬菌体)感染细菌后,不立即裂解宿主,而是把自身遗传物质整合进细菌染色体(形成前噬菌体),随宿主细胞复制并可在特定条件下被诱导转入裂解周期的现象。

发音 Pronunciation (IPA)

/lasdn/

例句 Examples

Lysogeny allows a phage to persist inside a bacterium without killing it.
溶原性使噬菌体能够在不杀死细菌的情况下在其体内长期存在。

Under stress, lysogeny can switch to the lytic cycle, leading to rapid viral replication and cell lysis.
在压力条件下,溶原状态可能转入裂解周期,导致病毒快速复制并使细胞裂解。

词源 Etymology

lysogeny由 **lyso-**(与“裂解”相关,源自希腊语 lysis,意为“松开、溶解、分解”)和 -geny(“产生、起源”,源自希腊语 genesis)构成,字面含义可理解为“与裂解相关的生成/状态”,在微生物学中专指噬菌体以“潜伏整合”的方式与宿主共存的状态。

相关词 Related Words

文学与经典著作 Literary Works

  • Molecular Biology of the Gene(Watson 等):在噬菌体 λ(lambda)调控章节讨论溶原性与裂解转换。
  • The Bacteriophages(Calendar 编):系统介绍溶原性、前噬菌体与调控机制。
  • Principles of Virology(Flint 等):在病毒生命周期与调控策略中讲解溶原性作为“潜伏/整合”策略的典型案例。
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