An update on the arsenal: mining resistance genes for disease management of Brassica crops in the genomic era

Brassica species include many economically important crops that provide nutrition and health-promoting substances to humans worldwide. However, as with all crops, their production is constantly threatened by emerging viral, bacterial, and fungal diseases, whose incidence has increased in recent year...

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Bibliographic Details
Published in:Horticulture research 2020-03, Vol.7 (1), Article 34
Main Authors: Lv, Honghao, Fang, Zhiyuan, Yang, Limei, Zhang, Yangyong, Wang, Yong
Format: Article
Language:English
Subjects:
631/208/711
631/449/2491
Agricultural production
Agriculture
Biomedical and Life Sciences
Brassica
Breeding
Cloning
Control methods
Crop production
Crops
Disease control
Disease resistance
Ecology
Environmental degradation
Fungal diseases
Gene mapping
Genes
Genetics
Genomics
Health promotion
Life Sciences
Mapping
Molecular modelling
Nutrition
Plant Breeding/Biotechnology
Plant Genetics and Genomics
Plant Sciences
Review
Review Article
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Summary:Brassica species include many economically important crops that provide nutrition and health-promoting substances to humans worldwide. However, as with all crops, their production is constantly threatened by emerging viral, bacterial, and fungal diseases, whose incidence has increased in recent years. Traditional methods of control are often costly, present limited effectiveness, and cause environmental damage; instead, the ideal approach is to mine and utilize the resistance genes of the Brassica crop hosts themselves. Fortunately, the development of genomics, molecular genetics, and biological techniques enables us to rapidly discover and apply resistance (R) genes. Herein, the R genes identified in Brassica crops are summarized, including their mapping and cloning, possible molecular mechanisms, and application in resistance breeding. Future perspectives concerning how to accurately discover additional R gene resources and efficiently utilize these genes in the genomic era are also discussed.
ISSN:2662-6810
2052-7276
DOI:10.1038/s41438-020-0257-9