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Role of Phytochemicals and Nucleic Acids in Solving Taxonomic Problems

Role of Phytochemicals and Nucleic Acids in Solving Taxonomic Problems Phytochemicals and nucleic acids provide valuable tools for delimitation of various taxa and their placement in natural system of classification. Chemical characters are broadly categorized as visible traits, micro- and macromolecules. Compared to visible characters that are few and have limited usage in taxonomy, micro- and macromolecules provide important taxonomic tools. Micromolecular characters are small sized and include phenolic constituents, alkaloids, terpenoids, free amino acids, fats and oils and cyanogenic compounds. Macromolecules, the information containing molecules are large sized and comprise of proteins, DNA and RNA. Though chemical characters provide important taxonomic tools, some of these such as alkaloids and proteins are susceptible to change with regard to changing environmental conditions or ontogeny. Plant parts of same physiological age should, therefore be used for comparative analysis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proceedings of the National Academy of Sciences, India Section B: Biological Sciences Springer Journals

Role of Phytochemicals and Nucleic Acids in Solving Taxonomic Problems

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References (52)

Publisher
Springer Journals
Copyright
Copyright © 2012 by The National Academy of Sciences, India
Subject
Life Sciences; Life Sciences, general; Behavioural Sciences; Plant Biochemistry; Nucleic Acid Chemistry
ISSN
0369-8211
eISSN
2250-1746
DOI
10.1007/s40011-012-0126-x
Publisher site
See Article on Publisher Site

Abstract

Phytochemicals and nucleic acids provide valuable tools for delimitation of various taxa and their placement in natural system of classification. Chemical characters are broadly categorized as visible traits, micro- and macromolecules. Compared to visible characters that are few and have limited usage in taxonomy, micro- and macromolecules provide important taxonomic tools. Micromolecular characters are small sized and include phenolic constituents, alkaloids, terpenoids, free amino acids, fats and oils and cyanogenic compounds. Macromolecules, the information containing molecules are large sized and comprise of proteins, DNA and RNA. Though chemical characters provide important taxonomic tools, some of these such as alkaloids and proteins are susceptible to change with regard to changing environmental conditions or ontogeny. Plant parts of same physiological age should, therefore be used for comparative analysis.

Journal

Proceedings of the National Academy of Sciences, India Section B: Biological SciencesSpringer Journals

Published: Nov 18, 2012

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