Difference between revisions of "Chemical and physical properties of functional metabolites"

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==Introduction==
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Chemists typically classify these compounds according to their biogenetic origin in isoprenoids, polyketides, amino acids and peptides, shikimate derivatives and carbohydrates. Furthermore, there are many other classes of compounds derived by mixed biosynthesis arising from combinations of the above pathways. Over half of the metabolites described to date (56%) are derived from the isoprenoid pathway, with the remainder split mainly between the amino acid (20%) and polyketide (20%) pathways. Interestingly, the nucleic acid and carbohydrate pathways constitute only 1% of the metabolic pathways compared to the important role that these classes of compounds play in primary metabolism.
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The pathways leading to the synthesis of these compounds are often complex and significant quantities of metabolic energy may be expended to generate compounds that could otherwise have been directed to growth or reproduction. Hence it is believed that the cost for their production must be compensated for by an ecological (related to outer interactions) or physiological (related to inner processes) benefit to the producing organism.
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==References==
 
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Revision as of 14:55, 7 May 2009

Introduction

Chemists typically classify these compounds according to their biogenetic origin in isoprenoids, polyketides, amino acids and peptides, shikimate derivatives and carbohydrates. Furthermore, there are many other classes of compounds derived by mixed biosynthesis arising from combinations of the above pathways. Over half of the metabolites described to date (56%) are derived from the isoprenoid pathway, with the remainder split mainly between the amino acid (20%) and polyketide (20%) pathways. Interestingly, the nucleic acid and carbohydrate pathways constitute only 1% of the metabolic pathways compared to the important role that these classes of compounds play in primary metabolism.

The pathways leading to the synthesis of these compounds are often complex and significant quantities of metabolic energy may be expended to generate compounds that could otherwise have been directed to growth or reproduction. Hence it is believed that the cost for their production must be compensated for by an ecological (related to outer interactions) or physiological (related to inner processes) benefit to the producing organism.


References


The main author of this article is Ianora, Adriana
Please note that others may also have edited the contents of this article.

Citation: Ianora, Adriana (2009): Chemical and physical properties of functional metabolites. Available from http://www.coastalwiki.org/wiki/Chemical_and_physical_properties_of_functional_metabolites [accessed on 28-03-2024]