ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2020
Discovery of two novel and adjacent QTLs on chromosome B02 controlling resistance against bacterial wilt in peanut variety Zhonghua 6.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 27 citations in OpenAlex.
- Synthetic communities and metabolite-driven enrichment of keystone rhizosphere microbial taxa suppress bacterial wilt disease in peanut.Plant communications · 2026Article
- AhBWR15, A Novel RLK Gene, Confers Resistance to Ralstonia solanacearum in Peanut.Plant biotechnology journal · 2026Article
- Integrated transcriptomic and metabolomic analysis revealed the response of resistant variety Zhonghua 6 to the infection of Ralstonia solanacearum in peanut.BMC plant biology · 2026Article
- Genome-wide identification and functional analysis of the SAMS gene family in peanut reveal the role of Ah6Q1KS5 in resistance to bacterial wilt.BMC plant biology · 2026Article
- Next-Generation Precision Breeding in Peanut (Insects · 2026Review
- Positional cloning of a peanut CC-NBS-LRR gene,Frontiers in plant science · 2025Article
- Optimizing Peanut (Plants (Basel, Switzerland) · 2024Review
- Transcriptome sequencing and expression analysis in peanut reveal the potential mechanism response to Ralstonia solanacearum infection.BMC plant biology · 2024Article
- Designing future peanut: the power of genomics-assisted breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Review
- Advances in omics research on peanut response to biotic stresses.Frontiers in plant science · 2023Review
- QTL identification, fine mapping, and marker development for breeding peanut (Arachis hypogaea L.) resistant to bacterial wilt.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Whole genome resequencing identifies candidate genes and allelic diagnostic markers for resistance toFrontiers in plant science · 2022Article
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Authors and funding
19 authors at 2 institutions in 2 countries.
Funding
Abstract
key messageTwo novel and adjacent genomics and candidate genes for bacterial wilt resistance were identified on chromosome B02 in peanut variety Zhonghua 6 using both traditional QTL mapping and QTL-seq methods. Peanut (Arachis hypogaea) is an important oilseed crop worldwide. Utilization of genetic resistance is the most economic and effective approach to control bacterial wilt, one of the most devastating plant diseases, in peanut production. To accelerate the genetic improvement of bacterial wilt resistance (BWR) in peanut breeding programs, quantitative trait locus (QTL) mapping has been conducted for two resistant varieties. In this context, we deployed linkage mapping as well as sequencing-based mapping approach, QTL-seq, to identify genomic regions and candidate genes for BWR in another highly resistant variety Zhonghua 6. The recombination inbred line population (268 progenies) from the cross Xuhua 13 × Zhonghua 6 was used in BWR evaluation across five environments. QTL mapping using both SSR- and SNP-based genetic maps identified a stable QTL (qBWRB02-1) on chromosome B02 with 37.79-78.86% phenotypic variation explained (PVE) across five environments. The QTL-seq facilitated further dissection of qBWRB02-1 into two adjacent genomic regions, qBWRB02-1-1 (2.81-4.24 Mb) and qBWRB02-1-2 (6.54-8.75 Mb). Mapping of newly developed Kompetitive allele-specific PCR (KASP) markers on the genetic map confirmed their stable expressions across five environments. The effects of qBWRB02-1-1 (49.43-68.86% PVE) were much higher than qBWRB02-1-2 (3.96-6.48% PVE) and other previously reported QTLs. Nineteen putative candidate genes affected by 49 non-synonymous SNPs were identified for qBWRB02-1-1, and ten of them were predicted to code for disease resistance proteins. The major and stable QTL qBWRB02-1-1 and validated KASP markers could be deployed in genomics-assisted breeding (GAB) to develop improved peanut varieties with enhanced BWR.
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