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DBT Propelled National Effort in Creating Mutant Resource for Functional Genomics in Rice


Affiliations
1 ICAR-National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110 012, India
2 ICAR-National Rice Research Institute, Cuttack 753 006, India
3 Tamil Nadu Agricultural University, Coimbatore 641 003, India
4 ICAR-Indian Institute Rice Research, Hyderabad 500 030, India
5 University of Agricultural Sciences, Bengaluru 560 065, India
6 Punjab Agricultural University, Ludhiana 500 030, India
7 ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
 

In 2007, with the help of DBT, a research project to create mutant resources for functional genomics in rice was launched through a national initiative involving ICAR-National Research Centre on Plant Biotechnology, New Delhi; ICAR-Indian Agricultural Research Institute, New Delhi; Tamil Nadu Agricultural University, Coimbatore; ICAR-Indian Institute of Rice Research, Hyderabad; University of Agricultural Sciences, Bangalore and Punjab Agricultural University, Ludhiana. Genetically well-defined material is a prerequisite for functional genomics. Thus, the project aimed to generate EMS mutants in the background of an upland and short duration aus genotype, Nagina22, characterize the mutants and use them in crop improvement. As of now, nearly 85,000 rice M2 mutant populations have been created under the project. Based on field phenotyping, gain and or loss of function mutants for tolerance to herbicide spray, drought, salinity and resistance to rice leaf and panicle blast, sheath blight and high phosphorus (P) use efficiency under low P field have been identified. Notably, the herbicide-tolerant mutant identified is under the process of registration for distribution to public and private rice breeders under appropriate material transfer agreement. Besides this, the project also aims to serve as a 'National Repository of rice EMS mutant resource' for the researchers involved in rice biology and improvement in the country.

Keywords

EMS Mutagenesis, Mutant Resources, Nagina22, Rice.
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  • DBT Propelled National Effort in Creating Mutant Resource for Functional Genomics in Rice

Abstract Views: 358  |  PDF Views: 126

Authors

S. V. Amitha Mithra
ICAR-National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110 012, India
M. K. Kar
ICAR-National Rice Research Institute, Cuttack 753 006, India
T. Mohapatra
ICAR-National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110 012, India
S. Robin
Tamil Nadu Agricultural University, Coimbatore 641 003, India
N. Sarla
ICAR-Indian Institute Rice Research, Hyderabad 500 030, India
M. Seshashayee
University of Agricultural Sciences, Bengaluru 560 065, India
K. Singh
Punjab Agricultural University, Ludhiana 500 030, India
A. K. Singh
ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
N. K. Singh
ICAR-National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110 012, India
R. P. Sharma
ICAR-National Research Centre on Plant Biotechnology, Indian Agricultural Research Institute, New Delhi 110 012, India

Abstract


In 2007, with the help of DBT, a research project to create mutant resources for functional genomics in rice was launched through a national initiative involving ICAR-National Research Centre on Plant Biotechnology, New Delhi; ICAR-Indian Agricultural Research Institute, New Delhi; Tamil Nadu Agricultural University, Coimbatore; ICAR-Indian Institute of Rice Research, Hyderabad; University of Agricultural Sciences, Bangalore and Punjab Agricultural University, Ludhiana. Genetically well-defined material is a prerequisite for functional genomics. Thus, the project aimed to generate EMS mutants in the background of an upland and short duration aus genotype, Nagina22, characterize the mutants and use them in crop improvement. As of now, nearly 85,000 rice M2 mutant populations have been created under the project. Based on field phenotyping, gain and or loss of function mutants for tolerance to herbicide spray, drought, salinity and resistance to rice leaf and panicle blast, sheath blight and high phosphorus (P) use efficiency under low P field have been identified. Notably, the herbicide-tolerant mutant identified is under the process of registration for distribution to public and private rice breeders under appropriate material transfer agreement. Besides this, the project also aims to serve as a 'National Repository of rice EMS mutant resource' for the researchers involved in rice biology and improvement in the country.

Keywords


EMS Mutagenesis, Mutant Resources, Nagina22, Rice.

References





DOI: https://doi.org/10.18520/cs%2Fv110%2Fi4%2F543-548