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Article

Arabidopsis XPD functions upstream of CDKA;1 to regulate stomatal development.

The New phytologist - 1 Apr 2026

Li Ping, Gu Xiaoli, Luo Jiangwei, Zhao Mingfeng, Wang Wenjin, Yan Longfeng, Liu Zhipeng, Chen Liang, Hou Suiwen

Abstract excerpt

In eukaryotes, XERODERMA PIGMENTOSUM GROUP D (XPD) is an integral subunit of the DNA repair/transcription complex TFIIH. In animals, XPD has been implicated in TFIIH-independent complexes regulating cell division, which, however, remains poorly understood in plants. Here, we identified XPD as a novel regulator of stomatal development in Arabidopsis. Its loss-of-function mutants exhibited increased stomatal...

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PMID: 41635122
DOI: 10.1111/nph.70915

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