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Phosphate starvation-induced CORNICHON HOMOLOG 5 as endoplasmic reticulum cargo receptor for PHT1 transporters in Arabidopsis.

Plant physiology - 2 Jun 2026

Chiu Chang-Yi, Tsai Cheng-Da, Lung Hui-Fang, Wang Jhih-Yi, Tsai Ming-Hsuan, McGinness Alastair J, Kanno Satomi, Kriechbaumer Verena, Lu Chiao-An, Liu Tzu-Yin

Abstract excerpt

Inorganic phosphate (Pi) is essential for plant growth and is acquired and distributed by the plasma membrane PHOSPHATE TRANSPORTER 1 proteins (PHT1s). Enhancing the abundance of PHT1s at the cell surface thus ensures plant productivity and sustainable agriculture. CORNICHON HOMOLOG proteins (CNIHs) are conserved eukaryotic cargo receptors that mediate the selective export of membrane proteins from the...

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PMID: 42120613
DOI: 10.1093/plphys/kiag282

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