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Article

Arabidopsis ABCG21 is an ABA efflux transporter involved in seed germination under salt stress.

Plant physiology - 2 Jul 2026

Lou Meiqi, Wang Jingqi, Zhang Mengyuan, Ying Zhuojing, Niu Yangxia, Zhang Penghong, Deng Xiaojuan, Zhu Xiaoxian, Veselov Dmitry, Machipane Mauro Estevao, Zhao Jiangzhe, Zhang Kewei

Abstract excerpt

Abscisic acid (ABA) is a key phytohormone that regulates stomatal movement, seed germination, root development, and stress responses. Here, we report that Arabidopsis (Arabidopsis thaliana) ABC transporter G family member 21 (AtABCG21) functions as an ABA transporter that plays a role in seed germination under salt stress. AtABCG21 exhibits efflux transporter activity toward ABA in tobacco (Nicotiana benthamiana)...

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PMID: 42378658
DOI: 10.1093/plphys/kiag460

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

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Arabidopsis ABCG21 is an ABA efflux transporter involved in seed germination under salt stress.PMID 42378658Read ↗

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