Articles | Volume 23, issue 2
https://doi.org/10.5194/acp-23-1731-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-1731-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
31 Jan 2023
Research article |
| 31 Jan 2023
| 31 Jan 2023
Effects of pH and light exposure on the survival of bacteria and their ability to biodegrade organic compounds in clouds: implications for microbial activity in acidic cloud water
Yushuo Liu
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
City University of Hong Kong Shenzhen Research Institute, Nanshan District, Shenzhen, China
Chee Kent Lim
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Zhiyong Shen
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
Patrick K. H. Lee
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong SAR, China
School of Energy and Environment, City University of Hong Kong, Hong Kong SAR, China
City University of Hong Kong Shenzhen Research Institute, Nanshan District, Shenzhen, China
State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong SAR, China
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Cited
12 citations as recorded by crossref.
- Don’t Forget About the Microbes on Surfaces in Indoor Atmospheric Chemistry T. Nah et al. 10.1021/acsestair.4c00115
- Assessing the efficiency of water-soluble organic compound biodegradation in clouds under various environmental conditions L. Pailler et al. 10.1039/D2EA00153E
- Exploitation of microbial activities at low pH to enhance planetary health M. Atasoy et al. 10.1093/femsre/fuad062
- Emerging investigator series: aqueous photooxidation of live bacteria with hydroxyl radicals under cloud-like conditions: insights into the production and transformation of biological and organic matter originating from bioaerosols Y. Liu et al. 10.1039/D3EM00090G
- Bacterial Persistence in Aquatic Environments: A Study of Green Fluorescent Protein (GFP)-Tagged Escherichia coli in Laboratory Microcosms K. Mouree et al. 10.3923/rjm.2023.63.71
- Effect of microencapsulation on the bio-preservative and probiotic properties of Enterococcus durans F21 G. Benkirane et al. 10.1016/j.fbio.2024.104312
- Exometabolomic exploration of culturable airborne microorganisms from an urban atmosphere R. Jin et al. 10.5194/acp-25-1805-2025
- Performance of Teflon- reinforced Nafion against microbes and removal of heavy metal ions from aqueous environment V. Avvari & P. Sreekanth 10.1016/j.rineng.2024.102253
- Effects of pH and light exposure on the survival of bacteria and their ability to biodegrade organic compounds in clouds: implications for microbial activity in acidic cloud water Y. Liu et al. 10.5194/acp-23-1731-2023
- Bacteria in clouds biodegrade atmospheric formic and acetic acids L. Nuñez López et al. 10.5194/acp-24-5181-2024
- Microbial interactions and potential ecological implications in rain and snow: Novel insights from a semi-humid city in Northwest China G. Zhang et al. 10.1016/j.atmosres.2025.107953
- Effects of pH and light exposure on the survival of bacteria and their ability to biodegrade organic compounds in clouds: implications for microbial activity in acidic cloud water Y. Liu et al. 10.5194/acp-23-1731-2023
11 citations as recorded by crossref.
- Don’t Forget About the Microbes on Surfaces in Indoor Atmospheric Chemistry T. Nah et al. 10.1021/acsestair.4c00115
- Assessing the efficiency of water-soluble organic compound biodegradation in clouds under various environmental conditions L. Pailler et al. 10.1039/D2EA00153E
- Exploitation of microbial activities at low pH to enhance planetary health M. Atasoy et al. 10.1093/femsre/fuad062
- Emerging investigator series: aqueous photooxidation of live bacteria with hydroxyl radicals under cloud-like conditions: insights into the production and transformation of biological and organic matter originating from bioaerosols Y. Liu et al. 10.1039/D3EM00090G
- Bacterial Persistence in Aquatic Environments: A Study of Green Fluorescent Protein (GFP)-Tagged Escherichia coli in Laboratory Microcosms K. Mouree et al. 10.3923/rjm.2023.63.71
- Effect of microencapsulation on the bio-preservative and probiotic properties of Enterococcus durans F21 G. Benkirane et al. 10.1016/j.fbio.2024.104312
- Exometabolomic exploration of culturable airborne microorganisms from an urban atmosphere R. Jin et al. 10.5194/acp-25-1805-2025
- Performance of Teflon- reinforced Nafion against microbes and removal of heavy metal ions from aqueous environment V. Avvari & P. Sreekanth 10.1016/j.rineng.2024.102253
- Effects of pH and light exposure on the survival of bacteria and their ability to biodegrade organic compounds in clouds: implications for microbial activity in acidic cloud water Y. Liu et al. 10.5194/acp-23-1731-2023
- Bacteria in clouds biodegrade atmospheric formic and acetic acids L. Nuñez López et al. 10.5194/acp-24-5181-2024
- Microbial interactions and potential ecological implications in rain and snow: Novel insights from a semi-humid city in Northwest China G. Zhang et al. 10.1016/j.atmosres.2025.107953
Latest update: 20 Feb 2025
Short summary
We investigated how cloud water pH and solar radiation impact the survival and energetic metabolism of two neutrophilic bacteria species and their biodegradation of organic acids. Experiments were performed using artificial cloud water that mimicked the pH and composition of cloud water in South China. We found that there is a minimum cloud water pH threshold at which neutrophilic bacteria will survive and biodegrade organic compounds in cloud water during the daytime and/or nighttime.
We investigated how cloud water pH and solar radiation impact the survival and energetic...
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