Increase in CO<sub>2</sub> concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from <italic style="font-style: italic">Pseudanabaena</italic>

Pengfei QIU; Wujuan MI; Gaofei SONG; Fengfeng CHENG; Yonghong BI

doi:10.1007/s00343-025-4244-8

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Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena

Ecology | Updated：2025-12-16

- Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena
- Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena
- 海洋湖沼学报(英文) 2025年43卷第6期页码：1913-1922
- Affiliations：
  
  1.College of Life Science, Xinyang Normal University, Xinyang 464000, China
  2.State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Author bio：
  
  biyh@ihb.ac.cn
- Funds：
  
  the National Key R&D Program of China(2021YFC3200900);the National Natural Science Foundation of China(31971477)
- DOI：10.1007/s00343-025-4244-8
  中图分类号：
- 收稿：2024-09-08，
  
  纸质出版：2025-11-01
- Accepted：
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Pengfei QIU, Wujuan MI, Gaofei SONG, 等. Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena[J]. 海洋湖沼学报(英文), 2025,43(6):1913-1922.

QIU Pengfei,MI Wujuan,SONG Gaofei,et al.Increase in CO,₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from ,Pseudanabaena[J].Journal of Oceanology and Limnology,2025,43(06):1913-1922.
Pengfei QIU, Wujuan MI, Gaofei SONG, 等. Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena[J]. 海洋湖沼学报(英文), 2025,43(6):1913-1922. DOI： 10.1007/s00343-025-4244-8.

QIU Pengfei,MI Wujuan,SONG Gaofei,et al.Increase in CO,₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from ,Pseudanabaena[J].Journal of Oceanology and Limnology,2025,43(06):1913-1922. DOI： 10.1007/s00343-025-4244-8.

摘要

Abstract

The global rise in CO

concentration is having a profound impact on the structure and function of aquatic ecosystems. However

little information is available on the responses of odor-producing cyanobacteria to the increase in CO

concentration. In this study

the effects of different CO

concentrations on 2-methylisoborneol (MIB)-producing

Pseudanabaena

and non-2-MIB-producing

Pseudanabaena

under monoculture and co-culture conditions were investigated. Results show that the specific growth rate of

Pseudanabaena

gradually increased with the rise in CO

concentration

and for the 2-MIB-producing strain

this increase was significantly higher than the non-2-MIB-producing strain. Under co-culture conditions

the proportion of non-2-MIB-producing

Pseudanabaena

was significantly higher than that of 2-MIB-producing

Pseudanabaena

suggesting a superior competitive ability of non-2-MIB-producing

Pseudanabaena

over 2-MIB-producing

Pseudanabaena

. Under monoculture conditions

the total 2-MIB production at the 300-μg/g CO

concentration was significantly higher than that at 600- and 1 200-μg/g CO

concentrations. The 2-MIB concentration produced by

Pseudanabaena

decreased with the increasing in CO

concentration. Therefore

we believe that with the future increase in CO

concentration

2-MIB concentration would be decreased and so would the risk of 2-MIB outbreaks.

关键词

Keywords

references

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Increase in CO2 concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena

Increase in CO2 concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena

DOI：10.1007/s00343-025-4244-8

摘要

Abstract

关键词

Keywords

references

Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena

Increase in CO₂ concentration reduces the competitiveness of 2-methylisoborneol-producing cyanobacteria: evidence from Pseudanabaena