V2EX chemotrophy

Chemotrophy

释义 Definition

化能营养(作用):生物通过氧化化学物质(如无机物:硫化氢、氨、亚铁离子;或有机物)来获取能量的一种营养方式,常见于许多细菌和古菌。常与“光能营养(phototrophy)”相对。(在更细分的分类中,还可与 chemoautotrophychemoheterotrophy 等术语相关。)

发音 Pronunciation

/kimotrofi/

例句 Examples

Chemotrophy helps some bacteria live deep underground.
化能营养使一些细菌能够在地下深处生存。

In hydrothermal vents, many microbes rely on chemotrophy, oxidizing reduced sulfur compounds to fuel carbon fixation.
在海底热液喷口,许多微生物依赖化能营养,通过氧化还原态硫化合物来获取能量,并为碳固定提供动力。

词源 Etymology

chemotrophy 由 **chemo-**(与“化学”有关)+ -trophy(“营养、摄食方式”,源自希腊语 trophē “滋养、食物”)构成。该词用于描述“以化学反应获取能量”的生命代谢策略,常见于微生物生态学与生物地球化学语境。

相关词 Related Words

文献与作品中的用例 Literary & Notable Works

  • Brock Biology of Microorganisms(《布洛克微生物学》)在微生物代谢与能量获取章节中讨论 chemotrophy 及其分类。
  • Principles of Microbiology(微生物学教材常见版本)用于对比 chemotrophyphototrophy,并引入化能自养/异养。
  • 综述与研究论文(如关于深海热液喷口、地下岩层生物圈、硝化/硫氧化过程的微生物生态学论文)频繁使用 chemotrophy 描述以化学能驱动的生态系统能量基础。
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