Abstract

AbstractSmall millets are small seeded nutri-rich crops that are widely grown in diverse environments under low fertility and minimum inputs. They are considered as inherently stress tolerant and hence it will be interesting to study the impact of climate change on their nutritional quality. The genetic resources of these crops possess wide variations for agronomical, nutritional and stress tolerant traits, which need to be exploited in the crop improvement programme. The generation of genomic resources in small millets is attaining rapid pace with the availability of whole genome sequences of finger millet, foxtail millet, proso millet and barnyard grass along with the repertoire of DNA markers for further exploitation in gene/QTL mapping approaches. Currently, the transcriptome studies are picking-up pace towards the identification of differentially expressed genes/transcripts associated with abiotic stress tolerance and nutritional traits, which adds to the knowledge accumulated through genomic studies. However, proteomic and metabolomic studies are lacking in small millets, which have to be given priority to have a comprehensive understanding of the mechanisms and interaction of various factors in the manifestation of climate resilience. Therefore, it will be worthwhile to focus on an integrated approach involving genetic resources, genomics, phenomics, transcriptomics, proteomics, metabolomics, and crop modelling to understand the impacts of climate change on nutritional quality of small millets. This book chapters focusses on the above-mentioned aspects and brings about a comprehensive review of work done across the globe aimed towards the development of nutri-rich and climate resilient cultivars in small millets.KeywordsSmall milletsAbiotic stressNutritional qualityGenomicsClimate changePhenomicsTranscriptomicsProteomicsMetabolomics

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