Evidence map›Paper›PMID 41893927›Full record

ArticlePlanta2026

Genetic basis of pedicellate spikelet masculinization in maize revealed by an advanced maize-teosinte population.

Ruifan Bao, Xueying Wang, Junle Wu, Ting Liang, Xiya Hu, Pengxu Meng, Hang Mi, Peng Li, Sijia Yang, Zhiqin Liu and 5 more

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Article in Planta, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

15 authors.

Ruifan Bao *Maize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Xueying Wang *Maize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Junle Wu *Maize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Ting LiangMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Xiya HuMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Pengxu MengMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Hang MiMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Peng LiMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Sijia YangMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Zhiqin LiuMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Siyu LeiMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Jinyu YangMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Jixing NiMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Tingzhao RongMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China.
Jian LiuMaize Research Institute, Sichuan Agricultural University, Chengdu, 611130, China. liujian@sicau.edu.cn.ORCID http://orcid.org/0000-0003-4192-8721

Funding

Natural Science Foundation of Sichuan Province 2022NSFSC0151Sichuan Province Science and Technology Support Program 2022ZDZX0013Sichuan Province Science and Technology Support Program 2023YFN0006The National Key Research and Development Program of China 2022YFD1601501The National Key Research and Development Program of China 2023YFD1201100
6 · The paper itself

Abstract

MAIN

conclusionThe sex differentiation of maize florets is critical for yield, yet its developmental regulatory mechanism remains unelucidated. Our study establishes valuable genetic loci for cloning the causative gene(s) underlying pedicellate spikelet masculinization. As a typical monoecious species, maize produces a tassel at the apex and an ear in the leaf axils, each consisting of paired sessile and pedicellate spikelets of the same sex. However, the developmental mechanisms governing sexual differentiation between the sessile and pedicellate spikelets remain poorly understood. In this study, we focused on a unique phenotype-pedicellate spikelet masculinization (PSM) in the ear-which was lost during domestication but reappeared in a maize introgression line containing chromosome segments from teosinte. Firstly, a novel and stable major QTL, qPSM3-1, located on chromosome 3, was identified in three advanced mapping populations: BC

Indexed as

FlowersZea maysChromosome MappingChromosomes, PlantPhenotypeQuantitative Trait LociFemale inflorescenceMaizeMasculinizationPedicellate spikeletsSex determination

Identifiers

PMID41893927

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.