V2EX endospore

Endospore

定义 Definition

内生孢子:某些细菌(最典型是芽孢杆菌属 Bacillus梭菌属 Clostridium)在不利环境下形成的高度耐受性休眠结构,可抵抗高温、干燥、辐射与多种化学物质;环境好转时可萌发恢复为营养细胞。(也常简称为“芽孢”,但严格说“endospore”特指细菌内生孢子。)

发音 Pronunciation (IPA)

/endspr/(BrE), /endospr/(AmE)

例句 Examples

The bacterium formed an endospore to survive the heat.
这种细菌形成了内生孢子以在高温下存活。

Because an endospore can persist in soil for long periods, sterilization requires careful time and temperature control.
由于内生孢子能在土壤中长期存活,灭菌需要严格控制时间与温度。

词源 Etymology

来自希腊语构词:endo- 表示“内部”,spore(孢子)源自希腊语 spora,意为“播种、散播”。合起来字面意思是“在内部形成的孢子”,对应其在细菌细胞内形成的特征。

相关词 Related Words

文献与著作 Literary Works

  • Brock Biology of Microorganisms(《布洛克微生物学》)
  • Prescott’s Microbiology(《普雷斯科特微生物学》)
  • Medical Microbiology by Murray, Rosenthal & Pfaller(常用医学微生物学教材)
  • Bergey’s Manual of Systematic Bacteriology(《伯杰氏细菌鉴定手册》)
  • 研究与综述期刊中常见:如 Journal of BacteriologyApplied and Environmental Microbiology 等关于内生孢子形成、耐受机制与灭菌验证的论文
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