Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives
Among the <i>Brassica</i> oilseeds, canola (<i>Brassica napus</i>) is the most economically significant globally. However, its production can be limited by blackleg disease, caused by the fungal pathogen <i>Lepstosphaeria maculans</i>. The deployment of resistance...
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| Format: | Article |
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MDPI AG
2020-12-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/22/1/313 |
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| author | Aldrin Y. Cantila Nur Shuhadah Mohd Saad Junrey C. Amas David Edwards Jacqueline Batley |
| author_facet | Aldrin Y. Cantila Nur Shuhadah Mohd Saad Junrey C. Amas David Edwards Jacqueline Batley |
| author_sort | Aldrin Y. Cantila |
| collection | DOAJ |
| description | Among the <i>Brassica</i> oilseeds, canola (<i>Brassica napus</i>) is the most economically significant globally. However, its production can be limited by blackleg disease, caused by the fungal pathogen <i>Lepstosphaeria maculans</i>. The deployment of resistance genes has been implemented as one of the key strategies to manage the disease. Genetic resistance against blackleg comes in two forms: qualitative resistance, controlled by a single, major resistance gene (<i>R</i> gene), and quantitative resistance (QR), controlled by numerous, small effect loci. <i>R</i>-gene-mediated blackleg resistance has been extensively studied, wherein several genomic regions harbouring <i>R</i> genes against <i>L. maculans</i> have been identified and three of these genes were cloned. These studies advance our understanding of the mechanism of <i>R</i> gene and pathogen avirulence (<i>Avr</i>) gene interaction. Notably, these studies revealed a more complex interaction than originally thought. Advances in genomics help unravel these complexities, providing insights into the genes and genetic factors towards improving blackleg resistance. Here, we aim to discuss the existing <i>R</i>-gene-mediated resistance, make a summary of candidate <i>R</i> genes against the disease, and emphasise the role of players involved in the pathogenicity and resistance. The comprehensive result will allow breeders to improve resistance to <i>L. maculans,</i> thereby increasing yield. |
| first_indexed | 2024-03-10T13:39:22Z |
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| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-10T13:39:22Z |
| publishDate | 2020-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-13701d575d0b4f9d849b743d665652202023-11-21T03:08:23ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672020-12-0122131310.3390/ijms22010313Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its RelativesAldrin Y. Cantila0Nur Shuhadah Mohd Saad1Junrey C. Amas2David Edwards3Jacqueline Batley4School of Biological Sciences, University of Western Australia, Perth, WA 6009, AustraliaSchool of Biological Sciences, University of Western Australia, Perth, WA 6009, AustraliaSchool of Biological Sciences, University of Western Australia, Perth, WA 6009, AustraliaSchool of Biological Sciences, University of Western Australia, Perth, WA 6009, AustraliaSchool of Biological Sciences, University of Western Australia, Perth, WA 6009, AustraliaAmong the <i>Brassica</i> oilseeds, canola (<i>Brassica napus</i>) is the most economically significant globally. However, its production can be limited by blackleg disease, caused by the fungal pathogen <i>Lepstosphaeria maculans</i>. The deployment of resistance genes has been implemented as one of the key strategies to manage the disease. Genetic resistance against blackleg comes in two forms: qualitative resistance, controlled by a single, major resistance gene (<i>R</i> gene), and quantitative resistance (QR), controlled by numerous, small effect loci. <i>R</i>-gene-mediated blackleg resistance has been extensively studied, wherein several genomic regions harbouring <i>R</i> genes against <i>L. maculans</i> have been identified and three of these genes were cloned. These studies advance our understanding of the mechanism of <i>R</i> gene and pathogen avirulence (<i>Avr</i>) gene interaction. Notably, these studies revealed a more complex interaction than originally thought. Advances in genomics help unravel these complexities, providing insights into the genes and genetic factors towards improving blackleg resistance. Here, we aim to discuss the existing <i>R</i>-gene-mediated resistance, make a summary of candidate <i>R</i> genes against the disease, and emphasise the role of players involved in the pathogenicity and resistance. The comprehensive result will allow breeders to improve resistance to <i>L. maculans,</i> thereby increasing yield.https://www.mdpi.com/1422-0067/22/1/313<i>Brassica napus</i>blacklegresistance genes |
| spellingShingle | Aldrin Y. Cantila Nur Shuhadah Mohd Saad Junrey C. Amas David Edwards Jacqueline Batley Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives International Journal of Molecular Sciences <i>Brassica napus</i> blackleg resistance genes |
| title | Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives |
| title_full | Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives |
| title_fullStr | Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives |
| title_full_unstemmed | Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives |
| title_short | Recent Findings Unravel Genes and Genetic Factors Underlying <i>Leptosphaeria maculans</i> Resistance in <i>Brassica napus</i> and Its Relatives |
| title_sort | recent findings unravel genes and genetic factors underlying i leptosphaeria maculans i resistance in i brassica napus i and its relatives |
| topic | <i>Brassica napus</i> blackleg resistance genes |
| url | https://www.mdpi.com/1422-0067/22/1/313 |
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