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Article

Natural variation in PtoCPK3 governs drought tolerance by orchestrating xylem remodeling and lignin metabolism in Populus.

Science advances - 5 Jun 2026

Wang Dan, Jiang Yongsen, Quan Mingyang, Liao Borong, Chen Yongming, Gu Mingyue, Guan Yicen, Zhang Donghai, Qin Shitong, Fang Yuanyuan, Qi Weina, Xiao Liang, Ren Tailin, Zhao Tingxuan, Du Qingzhang, Ingvarsson Pär K, El-Kassaby Yousry A, Zhang Deqiang

Abstract excerpt

Drought stress severely limits the growth of perennial trees. Xylem structure is central to water conduction; however, lignin monomer composition driving xylem remodeling for drought adaptation remains enigmatic. By integrating multi-omics analyses, genotype-environment association analysis, and metabolite-based genome-wide association studies, we identified PtoCPK3 as a key gene associated with...

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Identifiers

PMID: 42234763
DOI: 10.1126/sciadv.aee2172
PMCID: PMC13232617

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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