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

OAR@ICRISAT

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Relation http://oar.icrisat.org/12206/
https://link.springer.com/article/10.1007/s00122-022-04060-9
https://doi.org/10.1007/s00122-022-04060-9
 
Title Molecular mechanisms, genetic mapping, and genome editing
for insect pest resistance in field crops
 
Creator Wani, S H
Choudhary, M
Barmukh, R
Bagaria, P K
Samantara, K
Razzaq, A
Jaba, J
Ba, M N
Varshney, R K
 
Subject Molecular Biology
Genetics and Genomics
Entomology
 
Description Key message Improving crop resistance against insect pests is crucial for ensuring future food security. Integrating genomics with modern breeding methods holds enormous potential in dissecting the genetic architecture of this
complex trait and accelerating crop improvement. 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.
 
Publisher Springer
 
Date 2022-03-10
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights cc_attribution
 
Identifier http://oar.icrisat.org/12206/1/Theoretical%20and%20Applied%20Genetics_135_3875-3895_2022.pdf
Wani, S H and Choudhary, M and Barmukh, R and Bagaria, P K and Samantara, K and Razzaq, A and Jaba, J and Ba, M N and Varshney, R K (2022) Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops. Theoretical and Applied Genetics, 135. pp. 3875-3895. ISSN 1432-2242