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The Arabidopsis tex1-4 mutant exhibits altered mRNA export and hormonal crosstalk in plant immunity against Pseudomonas syringae.

Plant cell reports - 21 Aug 2026

Uddin Shahab, Silvano Kris John, Chakraborty Rupak, Macoy Donah Mary, Ryu Gyeong Ryul, Ugli Rakhimov Abdurakhim Ramazon, Ahn Gyeongik, Khan Hamad, Cha Joon-Yung, Kim Woe-Yeon, Kim Min Gab

Abstract excerpt

KEY MESSAGE: TEX1 contributes to mRNA export and SA-mediated defense while modulating ABA-driven susceptibility, linking RNA processing to immune regulation in Arabidopsis TEX1, a subunit of the multi-protein THO/TREX complex conserved in eukaryotes, facilitates the synthesis, splicing, and nuclear-cytoplasmic export of mRNAs. However, its mechanism in plants remains to be thoroughly established, particularly its...

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PMID: 42624939
DOI: 10.1007/s00299-026-03913-7

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