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Variation at the ZmCALS5 promoter regulates maize pollen fertility by modulating ZmABI4 binding affinity.

The New phytologist - 1 Sept 2026

Li Junyao, Wang Tengyue, Wang Xi, Tao Zhen, Wang Chuanhong, Zhao Yibing, Cui Mingliang, Wang Liming, Li Peijin

Abstract excerpt

Pollen fertility is a key factor affecting yield in maize (Zea mays), but the mechanism underlying this trait in natural accessions is poorly understood. Here, we performed quantitative trait locus mapping and identified the candidate gene ZmCALS5 encoding a callose synthase as controlling maize pollen fertility. A single-nucleotide polymorphism (SNP) within the ZmCALS5 promoter (-756A/C) influenced the ZmCALS5...

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Identifiers

PMID: 42324779
DOI: 10.1111/nph.71377
PMCID: PMC13491265

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026.

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