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Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops

Wani, S.H., Choudhary, M., Barmukh, R., Bagaria, P.K., Samantara, K., Razzaq, A., Jaba, J., Ba, M.N. and Varshney, R.K.ORCID: 0000-0002-4562-9131 (2022) Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops. Theoretical and Applied Genetics .

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Free to read: https://doi.org/10.1007/s00122-022-04060-9
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Abstract

Insect resistance in crops has been a major research objective in several crop improvement programs. However, the use of conventional breeding methods to develop high-yielding cultivars with sustainable and durable insect pest resistance has been largely unsuccessful. The use of molecular markers for identification and deployment of insect resistance quantitative trait loci (QTLs) can fastrack traditional breeding methods. Till date, several QTLs for insect pest resistance have been identified in field-grown crops, and a few of them have been cloned by positional cloning approaches. Genome editing technologies, such as CRISPR/Cas9, are paving the way to tailor insect pest resistance loci for designing crops for the future. Here, we provide an overview of diverse defense mechanisms exerted by plants in response to insect pest attack, and review recent advances in genomics research and genetic improvements for insect pest resistance in major field crops. Finally, we discuss the scope for genomic breeding strategies to develop more durable insect pest resistant crops.

Item Type: Journal Article
Murdoch Affiliation(s): Centre for Crop and Food Innovation
Food Futures Institute
Western Australian State Agricultural Biotechnology Centre
Publisher: Springer Verlag
Copyright: © 2022 The Authors.
URI: http://researchrepository.murdoch.edu.au/id/eprint/64235
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