facultative organism

Japanese: facultative organism(英語表記)facultativeorganism
facultative organism

…Among heterotrophic organisms, there are aerobic organisms that actively use oxygen, and anaerobic organisms that cannot grow in the presence of oxygen. In addition to these, there are also facultative organisms that can grow in both aerobic and anaerobic environments. Anaerobic organisms die immediately when placed under aerobic conditions, and one possible explanation for this is that they do not have catalase, so they cannot process the hydrogen peroxide that is produced, and so die of poisoning. …

*Some terminology that refers to "facultative organism" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…従属栄養生物の中には,酸素を積極的に利用する好気性生物と,酸素があっては生育できない嫌気性生物がある。これらに加えて,好気・嫌気両方の環境で生育できる通性嫌気性生物facultative organismも存在している。嫌気性生物を好気条件下に移すとたちまち死滅するが,その原因の一つとして,カタラーゼが備わっていないために,発生した過酸化水素を処理できず,中毒死してしまうという解釈もある。…

※「facultative organism」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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