CsPM5.2, a phosphate transporter protein‐like gene, promotes powdery mildew resistance in cucumber
SUMMARY Powdery mildew (PM) is one of the most serious fungal diseases affecting cucumbers ( Cucumis sativus L.). The mechanism of PM resistance in cucumber is intricate and remains fragmentary as it is controlled by several genes. In this study, we detected the major‐effect Quantitative Trait Locus (QTL), PM5.2, involved in PM resistance by QTL mapping. Through fine mapping, the dominant PM resistance gene, CsPM5.2, was cloned and its function was confirmed by transgenic complementation and natural variation identification. In cultivar 9930, a dysfunctional CsPM5.2 mutant resulted from a single nucleotide polymorphism in the coding region and endowed susceptibility to PM. CsPM5.2 encodes a phosphate transporter‐like protein PHO1; H3. The expression of CsPM5.2 is ubiquitous and induced by the PM pathogen. In cucumber, both CsPM5.2 and Cspm5.1( Csmlo1) are required for PM resistance. Transcriptome analysis suggested that the salicylic acid (SA) pathway may play an important role in CsPM5.2‐mediated PM resistance. Our findings help parse the mechanisms of PM resistance and provide strategies for breeding PM‐resistant cucumber cultivars..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:117 |
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| Enthalten in: |
The Plant Journal - 117(2024), 5, Seite 1487-1502 |
| Beteiligte Personen: |
Sun, Jingxian [VerfasserIn] |
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| Anmerkungen: |
Copyright © 2024 Society for Experimental Biology and John Wiley & Sons Ltd |
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| Umfang: |
1502 |
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| doi: |
10.1111/tpj.16576 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a SUMMARY Powdery mildew (PM) is one of the most serious fungal diseases affecting cucumbers ( Cucumis sativus L.). The mechanism of PM resistance in cucumber is intricate and remains fragmentary as it is controlled by several genes. In this study, we detected the major‐effect Quantitative Trait Locus (QTL), PM5.2, involved in PM resistance by QTL mapping. Through fine mapping, the dominant PM resistance gene, CsPM5.2, was cloned and its function was confirmed by transgenic complementation and natural variation identification. In cultivar 9930, a dysfunctional CsPM5.2 mutant resulted from a single nucleotide polymorphism in the coding region and endowed susceptibility to PM. CsPM5.2 encodes a phosphate transporter‐like protein PHO1; H3. The expression of CsPM5.2 is ubiquitous and induced by the PM pathogen. In cucumber, both CsPM5.2 and Cspm5.1( Csmlo1) are required for PM resistance. Transcriptome analysis suggested that the salicylic acid (SA) pathway may play an important role in CsPM5.2‐mediated PM resistance. Our findings help parse the mechanisms of PM resistance and provide strategies for breeding PM‐resistant cucumber cultivars. | ||
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| 700 | 1 | |a Xiao, Tingting |4 aut | |
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| 700 | 1 | |a Zhang, Keyan |4 aut | |
| 700 | 1 | |a He, Huan‐Le |4 aut | |
| 700 | 1 | |a Pan, Junsong |4 aut | |
| 700 | 1 | |a Cai, Run |4 aut | |
| 700 | 1 | |a Wang, Gang |4 aut | |
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