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Secondary metabolites often play an important role in plant defense against herbivory and other interspecies defenses. Humans use secondary metabolites as medicines, flavourings, pigments, and recreational drugs. [2] The term secondary metabolite was first coined by Albrecht Kossel, the 1910 Nobel Prize laureate for medicine and physiology.
Secondary metabolites commonly mediate antagonistic interactions, such as competition and predation, as well as mutualistic ones such as pollination and resource mutualisms. Examples of secondary metabolites include antibiotics, pigments and scents.
Primary metabolism in a plant comprises all metabolic pathways that are essential to the plant's survival. Primary metabolites are compounds that are directly involved in the growth and development of a plant whereas secondary metabolites are compounds produced in other metabolic pathways that, although important, are not essential to the functioning of the plant.
These substances, secondary metabolites, are organic compounds that are not directly involved in the normal growth, development or reproduction of organisms, [25] and often produced as by-products during the synthesis of primary metabolic products. [26] Examples of these byproducts include phenolics, flavonoids, and tannins. [27]
A secondary metabolite is not directly involved in those processes, but usually has an important ecological function. Examples include antibiotics and pigments such as resins and terpenes etc. Some antibiotics use primary metabolites as precursors, such as actinomycin, which is created from the primary metabolite tryptophan.
Pages in category "Secondary metabolites" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...
They are the largest class of plant secondary metabolites, representing about 60% of known natural products. [3] Many terpenoids have substantial pharmacological bioactivity and are therefore of interest to medicinal chemists. [4] Plant terpenoids are used for their aromatic qualities and play a role in traditional herbal remedies.
Nonribosomal peptides (NRP) are a class of peptide secondary metabolites, usually produced by microorganisms like bacteria and fungi.Nonribosomal peptides are also found in higher organisms, such as nudibranchs, but are thought to be made by bacteria inside these organisms. [1]