Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Omics in Major Cereals: Applications, Challenges, and Prospects

Version 1 : Received: 18 April 2021 / Approved: 20 April 2021 / Online: 20 April 2021 (11:25:07 CEST)

How to cite: Kaur, B.; Sandhu, K.S.; Kamal, R.; Kaur, K.; Singh, J.; Röder, M.S.; Muqaddasi, Q.H. Omics in Major Cereals: Applications, Challenges, and Prospects. Preprints 2021, 2021040531 (doi: 10.20944/preprints202104.0531.v1). Kaur, B.; Sandhu, K.S.; Kamal, R.; Kaur, K.; Singh, J.; Röder, M.S.; Muqaddasi, Q.H. Omics in Major Cereals: Applications, Challenges, and Prospects. Preprints 2021, 2021040531 (doi: 10.20944/preprints202104.0531.v1).

Abstract

Omics technologies, viz., genomics, transcriptomics, proteomics, metabolomics, and phenomics, are becoming an integral part of virtually every commercial cereal breeding program because they provide substantial dividends per unit time in both pre-breeding and breeding phases. Continuous advances in cereal-omics promise—in combination with time efficiency—the cost benefits. In this review, we provide a comprehensive overview of the established cereal-omics methods in five major cereals, viz., rice, sorghum, maize, barley, and bread wheat. We cover the evolution of technologies in each omics section independently and concentrate on their use to improve economically important agronomic as well as biotic and abiotic stress-related traits. Advancements in the (1) identification, mapping, and sequencing of molecular/structural variants, (2) high-density transcriptomics data to study gene expression patterns, (3) global and targeted proteome profiling to study protein structure and interaction, (4) metabolomic profiling to quantify organ level small-density metabolites and their composition, and (5) high-resolution high-throughput image-based phenomics approaches are surveyed in this review.

Subject Areas

cereals; omics; gemomics; transcriptomics; proteomics; metabolomics; phenomics.

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