Emergence of Phytochemical Genomics: Integration of Multi-Omics Approaches for Understanding Genomic Basis of Phytochemicals

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Phytochemical Genomics

Abstract

Since time immemorial, humans utilize plants for various needs such as food, shelter, fuelwood, and medicine. Plants exhibit medicinal properties due to the presence of several classes of phytochemicals, especially secondary metabolites, also known as specialized metabolites (SMs). Plants are chemical factories and many important drugs used today are derived from the plants or plant-inspired semi-biosynthetic pathways. Large numbers of plants are being increasingly explored for medicinally important specialized metabolites because there has been an increase in the interest in bioprospecting natural sources of more drugs. However, current bioprospecting approaches are not sustainable. Therefore, modern approaches can be used for the characterization of medicinally important plants for metabolites/phytochemicals present in them and for the validation of their medicinal properties in treating several serious diseases. Recent decades have seen the emergence of new technologies which can be deployed to characterize the phytochemicals present in the plants on a large scale. The genetic biosynthetic pathways of the plants can also be traced using high-throughput technologies such as genomics, proteomics, metabolomics, and transcriptomics. Several studies aim to characterize biosynthetic pathways of phytochemicals, and efforts are on identifying genes, proteins, and metabolomes associated with a particular metabolite. All this has led to an emergence of an entirely new discipline known as phytochemical genomics, which involves the integration of multi-omics approaches, such as genomics, transcriptomics, proteomics, and metabolomics intending to decipher gene-protein-metabolite networks. This chapter introduces the concept of phytochemical genomics, various techniques/technologies, and approaches that are used in phytochemical genomics and some of the examples of medicinal plants, where these technologies have been successfully utilized. This chapter further delves into linking gene editing technologies with omics information for the improvement of medicinal plants.

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Vijay, A. et al. (2022). Emergence of Phytochemical Genomics: Integration of Multi-Omics Approaches for Understanding Genomic Basis of Phytochemicals. In: Swamy, M.K., Kumar, A. (eds) Phytochemical Genomics. Springer, Singapore. https://doi.org/10.1007/978-981-19-5779-6_9

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