Evidence map›Paper›PMID 33446120›Full record

ArticleBMC plant biology2021

Genomic regions associated with stripe rust resistance against the Egyptian race revealed by genome-wide association study.

Mohamed A Abou-Zeid, Amira M I Mourad

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Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

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20citing papers in PubMed, 1 pooled it
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3 · Its place in the literature

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20 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

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5 · Who and what money

Authors and funding

2 authors.

Mohamed A Abou-ZeidWheat Disease Research Department, Plant Pathology Research Institute, ARC, Giza, Egypt.
Amira M I MouradDepartment of Agronomy, Faculty of Agriculture, Assiut University, Assiut, Egypt. amira_mourad@agr.au.edu.eg.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWheat stripe rust (caused by Puccinia striiformis f. sp. Tritici), is a major disease that causes huge yield damage. New pathogen races appeared in the last few years and caused a broke down in the resistant genotypes. In Egypt, some of the resistant genotypes began to be susceptible to stripe rust in recent years. This situation increases the need to produce new genotypes with durable resistance. Besides, looking for a new resistant source from the available wheat genotypes all over the world help in enhancing the breeding programs.

resultsIn the recent study, a set of 103-spring wheat genotypes from different fourteen countries were evaluated to their field resistant to stripe rust for two years. These genotypes included 17 Egyptian genotypes from the old and new cultivars. The 103-spring wheat genotypes were reported to be well adapted to the Egyptian environmental conditions. Out of the tested genotypes, eight genotypes from four different countries were found to be resistant in both years. Genotyping was carried out using genotyping-by-sequencing and a set of 26,703 SNPs were used in the genome-wide association study. Five SNP markers, located on chromosomes 2A and 4A, were found to be significantly associated with the resistance in both years. Three gene models associated with disease resistance and underlying these significant SNPs were identified. One immune Iranian genotype, with the highest number of different alleles from the most resistant Egyptian genotypes, was detected.

conclusionthe high variation among the tested genotypes in their resistance to the Egyptian stripe rust race confirming the possible improvement of stripe rust resistance in the Egyptian wheat genotypes. The identified five SNP markers are stable and could be used in marker-assisted selection after validation in different genetic backgrounds. Crossing between the immune Iranian genotype and the Egyptian genotypes will improve stripe rust resistance in Egypt.

Indexed as

Analysis of VarianceDisease ResistanceEgyptGenetic MarkersGenome-Wide Association StudyGenotypeIranLinkage DisequilibriumPlant BreedingPlant DiseasesPolymorphism, Single NucleotidePucciniaReproducibility of ResultsTriticumGenetic MarkersCoefficient of InfectionDisease severitygene expressionGenome-wide association studyLinkage disequilibriumSingle marker analysis

Identifiers

PMID33446120
PMCPMC7809828

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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.