Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects
Crown rust, caused by Puccinia coronata f. sp. avenae (Pca), is a significant impediment to global oat production. Some 98 alleles at 92 loci conferring resistance to Pca in Avena have been designated; however, allelic relationships and chromosomal locations of many of these are unknown. Long-term monitoring of Pca in Australia, North America and elsewhere has shown that it is highly variable even in the absence of sexual recombination, likely due to large pathogen populations that cycle between wild oat communities and oat crops. Efforts to develop cultivars with genetic resistance to Pca began in the 1950s. Based almost solely on all all-stage resistance, this has had temporary benefits but very limited success. The inability to eradicate wild oats, and their common occurrence in many oat growing regions, means that future strategies to control Pca must be based on the assumption of a large and variable prevailing pathogen population with high evolutionary potential, even if cultivars with durable resistance are deployed and grown widely. The presence of minor gene, additive APR to Pca in hexaploid oat germplasm opens the possibility of pyramiding several such genes to give high levels of resistance. The recent availability of reference genomes for diploid and hexaploid oat will undoubtedly accelerate efforts to discover, characterise and develop high throughput diagnostic markers to introgress and pyramid resistance to Pca in high yielding adapted oat germplasm.
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Springer Nature
2022-11
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Online Access: | http://hdl.handle.net/10261/305788 http://dx.doi.org/10.13039/501100001774 http://dx.doi.org/10.13039/501100000980 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85131429609 |
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dig-ias-es-10261-3057882024-05-15T20:45:51Z Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects Park, R. F. Boshoff, W. H. P. Cabral, A. L. Chong, J. Martinelli, J. A. McMullen, M. S. Fetch, J. W. Mitchell Paczos-Grzęda, E. Prats, Elena Roake, J. Sowa, S. Ziems, L. Singh, D. Grains Research and Development Corporation (Australia) University of Sydney Ministerio de Ciencia e Innovación (España) Agencia Estatal de Investigación (España) European Commission Junta de Andalucía Crown rust, caused by Puccinia coronata f. sp. avenae (Pca), is a significant impediment to global oat production. Some 98 alleles at 92 loci conferring resistance to Pca in Avena have been designated; however, allelic relationships and chromosomal locations of many of these are unknown. Long-term monitoring of Pca in Australia, North America and elsewhere has shown that it is highly variable even in the absence of sexual recombination, likely due to large pathogen populations that cycle between wild oat communities and oat crops. Efforts to develop cultivars with genetic resistance to Pca began in the 1950s. Based almost solely on all all-stage resistance, this has had temporary benefits but very limited success. The inability to eradicate wild oats, and their common occurrence in many oat growing regions, means that future strategies to control Pca must be based on the assumption of a large and variable prevailing pathogen population with high evolutionary potential, even if cultivars with durable resistance are deployed and grown widely. The presence of minor gene, additive APR to Pca in hexaploid oat germplasm opens the possibility of pyramiding several such genes to give high levels of resistance. The recent availability of reference genomes for diploid and hexaploid oat will undoubtedly accelerate efforts to discover, characterise and develop high throughput diagnostic markers to introgress and pyramid resistance to Pca in high yielding adapted oat germplasm. Financial support from Judith and David Coffey and family, the Grains Research and Development Corporation (GRDC: DAS00133, UOS1707-003RTX, UOS2104-001RTX) and the University of Sydney is gratefully acknowledged. Some of the unpublished research reported on was undertaken as part of a long running program on national cereal rust surveillance, conducted at the University of Sydney since 1921. EP is funded by Spanish Ministry of Science and Innovation [PID2019-104518RB-100], (AEI/FEDER, UE) and regional government through the AGR-253 group, the European Regional and Social Development Funds. Peer reviewed 2023-04-11T07:54:43Z 2023-04-11T07:54:43Z 2022-11 artículo de revisión http://purl.org/coar/resource_type/c_dcae04bc Theoretical and Applied Genetics 135: 3709-3734 (2022) 0040-5752 http://hdl.handle.net/10261/305788 10.1007/s00122-022-04121-z 1432-2242 http://dx.doi.org/10.13039/501100001774 http://dx.doi.org/10.13039/501100000980 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 35665827 2-s2.0-85131429609 https://api.elsevier.com/content/abstract/scopus_id/85131429609 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-104518RB-I00/ES/MEJORA DE AVENA RESILIENTE ADAPTADA A AMBIENTES MEDITERRANEOS/ Publisher's version The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1007/s00122-022-04121-z https://doi.org/10.1007/s00122-022-04121-z Sí open application/pdf Springer Nature |
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Crown rust, caused by Puccinia coronata f. sp. avenae (Pca), is a significant impediment to global oat production. Some 98 alleles at 92 loci conferring resistance to Pca in Avena have been designated; however, allelic relationships and chromosomal locations of many of these are unknown. Long-term monitoring of Pca in Australia, North America and elsewhere has shown that it is highly variable even in the absence of sexual recombination, likely due to large pathogen populations that cycle between wild oat communities and oat crops. Efforts to develop cultivars with genetic resistance to Pca began in the 1950s. Based almost solely on all all-stage resistance, this has had temporary benefits but very limited success. The inability to eradicate wild oats, and their common occurrence in many oat growing regions, means that future strategies to control Pca must be based on the assumption of a large and variable prevailing pathogen population with high evolutionary potential, even if cultivars with durable resistance are deployed and grown widely. The presence of minor gene, additive APR to Pca in hexaploid oat germplasm opens the possibility of pyramiding several such genes to give high levels of resistance. The recent availability of reference genomes for diploid and hexaploid oat will undoubtedly accelerate efforts to discover, characterise and develop high throughput diagnostic markers to introgress and pyramid resistance to Pca in high yielding adapted oat germplasm. |
author2 |
Grains Research and Development Corporation (Australia) |
author_facet |
Grains Research and Development Corporation (Australia) Park, R. F. Boshoff, W. H. P. Cabral, A. L. Chong, J. Martinelli, J. A. McMullen, M. S. Fetch, J. W. Mitchell Paczos-Grzęda, E. Prats, Elena Roake, J. Sowa, S. Ziems, L. Singh, D. |
format |
artículo de revisión |
author |
Park, R. F. Boshoff, W. H. P. Cabral, A. L. Chong, J. Martinelli, J. A. McMullen, M. S. Fetch, J. W. Mitchell Paczos-Grzęda, E. Prats, Elena Roake, J. Sowa, S. Ziems, L. Singh, D. |
spellingShingle |
Park, R. F. Boshoff, W. H. P. Cabral, A. L. Chong, J. Martinelli, J. A. McMullen, M. S. Fetch, J. W. Mitchell Paczos-Grzęda, E. Prats, Elena Roake, J. Sowa, S. Ziems, L. Singh, D. Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
author_sort |
Park, R. F. |
title |
Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
title_short |
Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
title_full |
Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
title_fullStr |
Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
title_full_unstemmed |
Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects |
title_sort |
breeding oat for resistance to the crown rust pathogen puccinia coronata f. sp. avenae: achievements and prospects |
publisher |
Springer Nature |
publishDate |
2022-11 |
url |
http://hdl.handle.net/10261/305788 http://dx.doi.org/10.13039/501100001774 http://dx.doi.org/10.13039/501100000980 http://dx.doi.org/10.13039/501100011011 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 https://api.elsevier.com/content/abstract/scopus_id/85131429609 |
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