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Article

Heritable variation drives rapid evolution of thermal performance curves in the protist Tetrahymena thermophila.

Communications biology - 15 Apr 2026

Liu Megan H, Han Ze-Yi, Yuan Yaning, DeWitt Katrina, Wieczynski Daniel J, Yammine Kathryn M, Yammine Andrea, Zufall Rebecca A, Siepielski Adam M, Chalker Douglas L, Onishi Masayuki, Machado Fabio A, Gibert Jean P

Abstract excerpt

Microbial respiration is a key biotic driver of climate change. Warming boosts microbial population growth, which increases biomass and respiration, potentially leading to more warming. This feedback might be disrupted by adaptation in thermal performance curves (TPCs) -whose shape describes how temperature drives growth. In this study, we uncover substantial genetic variation (G) in the intrinsic population...

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Identifiers

PMID: 41986609
DOI: 10.1038/s42003-026-09980-6
PMCID: PMC13385369

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