Gene presence-absence variation associates with quantitative Verticillium longisporum disease resistance in Brassica napus
Although copy number variation (CNV) and presence-absence variation (PAV) have been discovered in selected gene families in most crop species, the global prevalence of these polymorphisms in most complex genomes is still unclear and their influence on quantitatively inherited agronomic traits is still largely unknown. Here we analyze the association of gene PAV with resistance of oilseed rape (Brassica napus) against the important fungal pathogen Verticillium longisporum, as an example for a complex, quantitative disease resistance in the strongly rearranged genome of a recent allopolyploid crop species. Using Single Nucleotide absence Polymorphism (SNaP) markers to efficiently trace PAV in breeding populations, we significantly increased the resolution of loci influencing V. longisporum resistance in biparental and multi-parental mapping populations. Gene PAV, assayed by resequencing mapping parents, was observed in 23-51% of the genes within confidence intervals of quantitative trait loci (QTL) for V. longisporum resistance, and high-priority candidate genes identified within QTL were all affected by PAV. The results demonstrate the prominent role of gene PAV in determining agronomic traits, suggesting that this important class of polymorphism should be exploited more systematically in future plant breeding.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
Scientific reports - 10(2020), 1 vom: 05. März, Seite 4131 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gabur, Iulian [VerfasserIn] |
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| Links: |
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| Themen: |
Fungal Proteins |
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| Anmerkungen: |
Date Completed 16.11.2020 Date Revised 13.11.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41598-020-61228-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM307282724 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Although copy number variation (CNV) and presence-absence variation (PAV) have been discovered in selected gene families in most crop species, the global prevalence of these polymorphisms in most complex genomes is still unclear and their influence on quantitatively inherited agronomic traits is still largely unknown. Here we analyze the association of gene PAV with resistance of oilseed rape (Brassica napus) against the important fungal pathogen Verticillium longisporum, as an example for a complex, quantitative disease resistance in the strongly rearranged genome of a recent allopolyploid crop species. Using Single Nucleotide absence Polymorphism (SNaP) markers to efficiently trace PAV in breeding populations, we significantly increased the resolution of loci influencing V. longisporum resistance in biparental and multi-parental mapping populations. Gene PAV, assayed by resequencing mapping parents, was observed in 23-51% of the genes within confidence intervals of quantitative trait loci (QTL) for V. longisporum resistance, and high-priority candidate genes identified within QTL were all affected by PAV. The results demonstrate the prominent role of gene PAV in determining agronomic traits, suggesting that this important class of polymorphism should be exploited more systematically in future plant breeding | ||
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| 700 | 1 | |a Chawla, Harmeet Singh |e verfasserin |4 aut | |
| 700 | 1 | |a Lopisso, Daniel Teshome |e verfasserin |4 aut | |
| 700 | 1 | |a von Tiedemann, Andreas |e verfasserin |4 aut | |
| 700 | 1 | |a Snowdon, Rod J |e verfasserin |4 aut | |
| 700 | 1 | |a Obermeier, Christian |e verfasserin |4 aut | |
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