Articles | Volume 20, issue 11
Research article
16 Jun 2023
Research article |  | 16 Jun 2023

Differential temperature sensitivity of intracellular metabolic processes and extracellular soil enzyme activities

Adetunji Alex Adekanmbi, Laurence Dale, Liz Shaw, and Tom Sizmur

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Cited articles

Adekanmbi, A. A., Shaw, L. J., and Sizmur, T.: Effect of Sieving on Ex Situ Soil Respiration of Soils from Three Land Use Types, J. Soil Sci. Plant Nut., 20, 912–916,, 2020. 
Adekanmbi, A. A., Dale, L., Shaw, L., and Sizmur, T.: Data for: Differential Temperature Sensitivity of Intracellular and Extracellular Soil Enzyme Activities, V2, Mendeley Data [data set],, 2023. 
Adeli, A., Sistani, K. R., Bal'a, M. F., and Rowe, D. E.: Phosphorus Dynamics in Broiler Litter-Amended Soils, Commun. Soil Sci. Plan., 36, 1099–1115,, 2005. 
Allison, S. D. and Vitousek, P. M.: Responses of extracellular enzymes to simple and complex nutrient inputs, Soil Biol. Biochem., 37, 937–944,, 2005. 
Alster, C. J., Baas, P., Wallenstein, M. D., Johnson, N. G., and von Fischer, J. C.: Temperature sensitivity as a microbial trait using parameters from macromolecular rate theory, Front. Microbiol., 7, 1–10,, 2016. 
Short summary
The decomposition of soil organic matter and flux of carbon dioxide are expected to increase as temperatures rise. However, soil organic matter decomposition is a two-step process whereby large molecules are first broken down outside microbial cells and then respired within microbial cells. We show here that these two steps are not equally sensitive to increases in soil temperature and that global warming may cause a shift in the rate-limiting step from outside to inside the microbial cell.
Final-revised paper