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StHAB1-mediated ABA signaling potentiates the sensitivity to long-distance signal StSP6A to promote tuberization in potato.

The New phytologist - 1 Apr 2026

Wang Enshuang, Jing Shenglin, Dong Liepeng, Sun Xiaomeng, Liu Tengfei, Liu Shengxuan, Qin Jun, He Shijie, He Shuangshuang, Jiang Peng, Ye Xiantao, Cai Xingkui, Song Botao

Abstract excerpt

The plant hormone abscisic acid (ABA) is historically recognized as a tuberization stimulator, with exogenous application significantly enhancing potato tuber formation. However, the physiological significance of endogenous ABA signaling in tuberization and its underlying molecular mechanisms remain poorly understood. Here, by using ABA-insensitive hypermorphic StHAB1G276D-overexpression mutant and StHAB1...

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PMID: 41693231
DOI: 10.1111/nph.70974

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 3 Sept 2026.

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