ArticleBMC genomics2020
Identification of QTL for resistance to root rot in sweetpotato (Ipomoea batatas (L.) Lam) with SSR linkage maps.
Article in BMC genomics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.
- Exploring and exploiting genetics and genomics for sweetpotato improvement: Status and perspectives.Plant communications · 2022Pooled it
- Biotic Stress Resistance in Sweet Potato: Mechanisms, Perspectives, and Sustainable Production Strategies.Plants (Basel, Switzerland) · 2026Review
- Advancements and Emerging Trends in the Detection of Sweet Potato Diseases: A Comprehensive Review.ACS omega · 2026Review
- Article
- Linkage map construction and QTL mapping for morphological traits in Ipomoea trifida, a diploid sweetpotato relative.The plant genome · 2025Article
- Natural Allelic Variations in IbCHYR1-IbZnFR Complex Regulate Fusarium Root Rot Resistance in Sweet Potato.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Mapping and identification of QTLs for low light tolerance traits in grapevine.BMC plant biology · 2025Article
- Phenotypic Traits, SSR Core Primer Screening, and Genetic Diversity Analysis ofEcology and evolution · 2025Article
- Construction of Simple Sequence Repeat-Based Genetic Linkage Map and Identification of QTLs for Accumulation of Floral Volatiles in Lavender (International journal of molecular sciences · 2025Article
- Genome-Wide Microsatellites inAnimals : an open access journal from MDPI · 2024Article
- Genome-wide association study to identify novel loci and genes for Fusarium root rot resistance in sweet potato using genotyping-by-sequencing.Frontiers in plant science · 2023Article
- Genome-wide identification and expression analysis of the glutamate receptor gene family in sweet potato and its two diploid relatives.Frontiers in plant science · 2023Article
- High-Density Single Nucleotide Polymorphisms Genetic Map Construction and Quantitative Trait Locus Mapping of Color-Related Traits of Purple Sweet Potato [Frontiers in plant science · 2021Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundSweetpotato root rot is a devastating disease caused by Fusarium solani that seriously endangers the yield of sweetpotato in China. Although there is currently no effective method to control the disease, breeding of resistant varieties is the most effective and economic option. Moreover, quantitative trait locus (QTL) associated with resistance to root rot have not yet been reported, and the biological mechanisms of resistance remain unclear in sweetpotato. Thus, increasing our knowledge about the mechanism of disease resistance and identifying resistance loci will assist in the development of disease resistance breeding.
resultsIn this study, we constructed genetic linkage maps of sweetpotato using a mapping population consisting of 300 individuals derived from a cross between Jizishu 1 and Longshu 9 by simple sequence repeat (SSR) markers, and mapped seven QTLs for resistance to root rot. In total, 484 and 573 polymorphic SSR markers were grouped into 90 linkage groups for Jizishu 1 and Longshu 9, respectively. The total map distance for Jizishu 1 was 3974.24 cM, with an average marker distance of 8.23 cM. The total map distance for Longshu 9 was 5163.35 cM, with an average marker distance of 9.01 cM. Five QTLs (qRRM_1, qRRM_2, qRRM_3, qRRM_4, and qRRM_5) were located in five linkage groups of Jizishu 1 map explaining 52.6-57.0% of the variation. Two QTLs (qRRF_1 and qRRF_2) were mapped on two linkage groups of Longshu 9 explaining 57.6 and 53.6% of the variation, respectively. Furthermore, 71.4% of the QTLs positively affected the variation. Three of the seven QTLs, qRRM_3, qRRF_1, and qRRF_2, were colocalized with markers IES43-5mt, IES68-6 fs**, and IES108-1 fs, respectively.
conclusionsTo our knowledge, this is the first report on the construction of a genetic linkage map for purple sweetpotato (Jizishu 1) and the identification of QTLs associated with resistance to root rot in sweetpotato using SSR markers. These QTLs will have practical significance for the fine mapping of root rot resistance genes and play an important role in sweetpotato marker-assisted breeding.
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