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Integrated genomics and molecular breeding approaches for dissecting the complex quantitative traits in crop plants

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Title Integrated genomics and molecular breeding approaches for dissecting the complex quantitative traits in crop plants
 
Creator Kujur, Alice
Saxena, Maneesha S.
Bajaj, Deepak
Laxmi
Parida, Swarup K.
 
Subject Complex quantitative traits
genomics
molecular breeding
SNP
SSR
 
Description Accepted date: 7 October 2013
The enormous population growth, climate change and global warming are now considered major threats to agriculture and world's food security. To improve the productivity and sustainability of agriculture, the development of highyielding and durable abiotic and biotic stress-tolerant cultivars and/climate resilient crops is essential. Henceforth, understanding the molecular mechanism and dissection of complex quantitative yield and stress tolerance traits is the prime objective in current agricultural biotechnology research. In recent years, tremendous progress has been made in plant genomics and molecular breeding research pertaining to conventional and next-generation whole genome, transcriptome and epigenome sequencing efforts, generation of huge genomic, transcriptomic and epigenomic resources and development of modern genomics-assisted breeding approaches in diverse crop genotypes with contrasting yield and abiotic stress tolerance traits. Unfortunately, the detailed molecular mechanism and gene regulatory networks controlling such complex quantitative traits is not yet well understood in crop plants. Therefore, we propose an integrated strategies involving available enormous and diverse traditional and modern -omics (structural, functional, comparative and epigenomics) approaches/resources and genomics-assisted breeding methods which agricultural biotechnologist can adopt/utilize to dissect and decode the molecular and gene regulatory networks involved in the complex quantitative yield and stress tolerance traits in crop plants. This would provide clues and much needed inputs for rapid selection of novel functionally relevant molecular tags regulating such complex traits to expedite traditional and modern marker-assisted genetic enhancement studies in target crop species for developing high-yielding stress-tolerant varieties.
The authors gratefully acknowledge the financial support by
the Department of Biotechnology (DBT), India. AK
acknowledges the Council of Scientific and Industrial
Research (CSIR) for the award of Junior Research
Fellowship (JRF). We wish to thank the anonymous referees
for critically evaluating the manuscript and providing
constructive comments/suggestions to improve its quality.
 
Date 2015-11-05T06:29:06Z
2015-11-05T06:29:06Z
2013
 
Type Article
 
Identifier Journal of Biosciences, 38(5): 971-987
0973-7138
http://172.16.0.77:8080/jspui/handle/123456789/323
http://www.ias.ac.in/describe/article/jbsc/038/05/0971-0987
10.1007/s12038-013-9388-6
 
Language en_US
 
Publisher Indian Academy of Sciences