Basu, U and Sharma, A and Bajaj, D and Malik, N and Jha, U C and Upadhyaya, H D and Parida, S K (2021) The DNA Replication, Repair, and Recombination Pathway Genes Modulating Yield and Stress Tolerance Traits in Chickpea. Plant Molecular Biology Reporter, 40. pp. 119-135. ISSN 1572-9818
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DNA replication, repair, and recombination (DRRR) are the fundamental processes required for faithful transmission of genetic information within and between generations. The DRRR genes protect the cells from potential mutations and damage during the developmental phases and stress conditions. Thus, these genes indirectly regulate diverse important agronomic traits in a crop plant. A genome-wide survey of six DRRR pathway genes, namely, DNA replication, Base Excision Repair, Nucleotide Excision Repair, Homologous Recombination, Mismatch Excision Repair, and Non-Homologous End-Joining, identified 157 DRRR genes in chickpea. Phylogenetic analysis of these genes within the legume clades and model plant Arabidopsis identified 42 conserved DRRR genes exhibiting clade-specific evolutionary patterns. Integrating the gene-based association mapping with differential expression profiling identified the natural alleles of the potential DRRR genes, primarily regulating flowering and maturation time and involved in drought tolerance of chickpea. Identifying and understanding DRRR genes’ roles in regulating yield and stress tolerance traits in a vital grain legume like chickpea is requisite for its future crop improvement endeavors. Manipulation of promising functionally relevant DRRR genes will pave the way for simultaneous improvement in multiple beneficial agronomic traits in chickpea.
| Item Type: | Article |
|---|---|
| Divisions: | Genebank |
| CRP: | UNSPECIFIED |
| Uncontrolled Keywords: | Association mapping, Chickpea, Drought, DRRR, SNP, Yield |
| Subjects: | Mandate crops > Chickpea Others > Drought |
| Depositing User: | Mr Nagaraju T |
| Date Deposited: | 27 Mar 2024 09:51 |
| Last Modified: | 27 Mar 2024 09:51 |
| URI: | http://oar.icrisat.org/id/eprint/12602 |
| Official URL: | https://link.springer.com/article/10.1007/s11105-0... |
| Projects: | UNSPECIFIED |
| Funders: | Government of India - Department of Biotechnology |
| Acknowledgement: | UB acknowledges the UGC (University Grants Commission), India, for research fellowship awards. |
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