Evidence map›Paper›PMID 41761082›Full record

ArticleBMC genomics2026

GWAS on yield-related traits of Pakistani wheat under post-anthesis heat stress.

Shabbir Hussain, Fanmei Kong, Ishrat Naureen, Madiha Habib, Nida Ghori, Faisal Saeed Awan, Hasham Feroz Ghuman, Kiran Hameed, Xiaocun Zhang

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In one paragraph

Article in BMC genomics, 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Shabbir HussainCollege of Resource and Environment, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271000, China.
Fanmei KongCollege of Resource and Environment, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271000, China.
Ishrat NaureenUniversity of Electronic Science and Technology, Chengdu, Sichuan, China.
Madiha HabibGenetic Purity Testing Lab, University of Agriculture, Faisalabad, Punjab, Pakistan.
Nida GhoriDepartment of Protecting Crops and Environment, Rothamsted Research, Harpenden, United Kingdom.
Faisal Saeed AwanCenter of Agricultural Biochemistry and Biotechnology, University of Agriculture, Faisalabad, Punjab, Pakistan.
Hasham Feroz GhumanCenter of Agricultural Biochemistry and Biotechnology, University of Agriculture, Faisalabad, Punjab, Pakistan.
Kiran HameedGenetic Purity Testing Lab, University of Agriculture, Faisalabad, Punjab, Pakistan.
Xiaocun ZhangCollege of Resource and Environment, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong Province, 271000, China. xczhang@sdau.edu.cn.

Funding

This work was supported by the Agricultural Variety Improvement Project of Shandong Province 2021LZGC013
6 · The paper itself

Abstract

Heat stress is a major threat to spring wheat (Triticum aestivum) production in the Indo-Gangetic plains of South Asia, particularly in India and Pakistan. Breeding for heat-tolerant cultivars is an effective strategy to improve wheat productivity in stressed environments. To identify quantitative trait loci (QTL) for heat tolerance, we conducted a genome-wide association study (GWAS) to identify marker-trait associations (MTAs) using single-nucleotide polymorphism (SNP) markers generated via genotyping-by-sequencing (GBS). We evaluated a panel of 184 Pakistani spring wheat accessions for 13 yield-related agronomic traits under induced terminal heat stress. GWAS using the Bayesian information and linkage disequilibrium iteratively nested keyway (BLINK) model identified 295 significant MTAs on all 21 wheat chromosomes. Notably, two QTL intervals (QTL), on chromosomes 3D (5 SNPs) and 5B (3 SNPs), exhibited pleiotropic effects on grain weight (GW) and grain per spike (GPS). In addition, three QTL intervals comprising 9 SNPs on chromosome 7 A, 7 SNPs on 3B, and 4 SNPs on 5 A were significantly associated with the heat susceptibility index (HSI). Furthermore, clusters on chromosome 2B (5 SNPs) and 6B (4 SNPs) were linked to kernel weight reduction (KWR). The identified QTLs and candidate genes associated with HSI and KWR provide valuable genetic resources for fine-mapping and the development of breeder-friendly markers for selecting heat-tolerant wheat cultivars.

Indexed as

Genome-Wide Association StudyHeat-Shock ResponseQuantitative Trait, HeritableTriticumChromosome MappingChromosomes, PlantLinkage DisequilibriumPakistanPhenotypePolymorphism, Single NucleotideQuantitative Trait LociGenome-wide association study (GWAS)Heat TolerancePleiotropic effectQuantitative trait loci (QTL)Single-nucleotide polymorphisms (SNPs)

Identifiers

PMID41761082
PMCPMC13059358

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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.