Effects of CO2 in fungi

Curr Opin Microbiol. 2024 Jun:79:102488. doi: 10.1016/j.mib.2024.102488. Epub 2024 May 17.


Carbon dioxide supplies carbon for photosynthetic species and is a major product of respiration for all life forms. Inside the human body where CO2 is a by-product of the tricarboxylic acid cycle, its level reaches 5% or higher. In the ambient atmosphere, ∼.04% of the air is CO2. Different organisms can tolerate different CO2 levels to various degrees, and experiencing higher CO2 is toxic and can lead to death. The fungal kingdom shows great variations in response to CO2 that has been documented by different researchers at different time periods. This literature review aims to connect these studies, highlight mechanisms underlying tolerance to high levels of CO2, and emphasize the effects of CO2 on fungal metabolism and morphogenesis.

Publication types

  • Review

MeSH terms

  • Carbon Dioxide* / metabolism
  • Fungi* / genetics
  • Fungi* / metabolism
  • Fungi* / physiology
  • Humans
  • Photosynthesis


  • Carbon Dioxide