Anther middle layer fatty acid synthesis is essential for pollen development and fertility restoration at low temperature in Arabidopsis.

doi:10.1093/plphys/kiag511

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Article

Anther middle layer fatty acid synthesis is essential for pollen development and fertility restoration at low temperature in Arabidopsis.

Plant physiology - 4 Aug 2026

Zhu Ben-Shun, Zhang Chi, Hu Wen, Chen Jia-Jie, Mao Chang-Sheng, Bai Meng-Yang, Zhang Cheng, Yang Zhongnan, Yao Xiaozhen

Abstract excerpt

The middle layer of the anther, a narrow and enigmatic cell layer, has received limited research attention, leaving its functional role poorly understood. Through screening fertility restorers of a thermosensitive male-sterile mutant npu-2, we discovered that de novo fatty acid synthesis in the middle layer plays a critical role in pollen development. Compared to the tapetum, the middle layer contains more mature...

Topics

Arabidopsis
Pollen
Fatty Acids
Cold Temperature
Fertility
Flowers
Arabidopsis Proteins
Mutation

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Identifiers

PMID: 42456119
DOI: 10.1093/plphys/kiag511
PMCID: PMC13436689

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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