Articles | Volume 22, issue 20
https://doi.org/10.5194/bg-22-5625-2025
https://doi.org/10.5194/bg-22-5625-2025
Reviews and syntheses
 | 
16 Oct 2025
Reviews and syntheses |  | 16 Oct 2025

Reviews and syntheses: Contribution of sulfate to aerobic methane oxidation in upland soils – a mini-review

Rui Su, Kexin Li, Nannan Wang, Fenghui Yuan, Ying Zhao, Yunjiang Zuo, Ying Sun, Liyuan He, Lixin Yang, Xiaofeng Xu, and Lihua Zhang

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Cited articles

Adamsen, A. P. S. and King, G. M.: Methane consumption in temperate and subarctic forest soils rates, vertical zonation, and responses to water and nitrogen, Appl. Environ. Microbiol., 59, 485–490, https://doi.org/10.1128/aem.59.2.485-490.1993, 1993. 
Balasubramanian, R. and Rosenzweig, A. C.: Structural and mechanistic insights into methane oxidation by particulate methane monooxygenase, Accounts Chem. Res., 40, 573–580, https://doi.org/10.1021/ar700004s, 2007. 
Bechtold, E. K., Ellenbogen, J. B., Villa, J. A., Ferreira, D. K. d. M., Oliverio, A. M., Kostka, J. E., Rich, V. I., Varner, R. K., Bansal, S., Ward, E. J., Bohrer, G., Borton, M. A., Wrighton, K. C., and Wilkins, M. J.: Metabolic interactions underpinning high methane fluxes across terrestrial freshwater wetlands, Nat. Commun., 16, https://doi.org/10.1038/s41467-025-56133-0, 2025. 
Benstead, J. and King, G. M.: The effect of soil acidification on atmospheric methane uptake by a Maine forest soil, FEMS Microbiol. Ecol., 34, 207–212, https://doi.org/10.1111/j.1574-6941.2001.tb00771.x, 2001. 
Bjorneras, C., Skerlep, M., Floudas, D., Persson, P., and Kritzberg, E. S.: High sulfate concentration enhances iron mobilization from organic soil to water, Biogeochemistry, 144, 245–259, https://doi.org/10.1007/s10533-019-00581-6, 2019. 
Short summary
This research examines the effect of sulfate on methane oxidation in soil, finding that sulfate may facilitate methane oxidation. Considering methane's role as a greenhouse gas and rising sulfate deposition, the study aims to predict changes in methane oxidation due to acid deposition. Future experiments will explore microbial mechanisms, as sulfate reduces methane emissions while also enhancing its consumption, providing insights for mitigation strategies.
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