Applications of NMR Spectroscopy

Applications of NMR Spectroscopy

Volume: 6

Indexed in: Scopus, EBSCO.

Applications of NMR Spectroscopy is a book series devoted to publishing the latest advances in the applications of nuclear magnetic resonance (NMR) spectroscopy in various fields of organic ...
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Identification & Characterization of Secondary Metabolites in the Biological Soup by NMR Spectroscopy

Pp. 47-96 (50)

Saleem Yousf, Nazia Hussain, Shilpy Sharma and Jeetender Chugh

Abstract

Living cells possess the ability to tune their response to various intra- and extracellular cues, e.g., oxidative stress, nutritional deprivation, etc., which in turn leads to an assortment of different metabolites in the cellular soup. Metabolomics – the science that deals with understanding the metabolic profile of a biological system under a set of conditions – is becoming a powerful tool that helps to comprehend the mechanistic information about cellular events. The information about the small molecules present in the biological soup is now being used in different facets of research in life sciences, including natural product identification; studying pharmacological responses of potential drugs; understanding the chemical diversity of a plant/microbial species based on geographical origin; translational metabolomics of bio-fluids to understand various diseases, and cellular pathway analysis; etc. The technological challenge in the identification as well as characterization of these small molecules has been answered in part by recent advances in the field of Mass spectrometry and NMR, coupled with high-throughput separation techniques. In this chapter, we will discuss the diversity of the metabolome; primary and secondary metabolites; overview of available techniques for metabolite identification and characterization; recent advances in NMR making it amenable for the study of metabolites; and the methods used for NMR data measurement and analysis.

Keywords:

Metabolomics, NMR Spectroscopy, Secondary Metabolites, Proton NMR, Correlation Spectroscopy, Total Correlation Spectroscopy, Statistical Analysis, PCA Analysis, PLS-DA Analysis, Score Plot.

Affiliation:

Department of Biology, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411008, India.