secondary metabolite

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sec·on·dar·y me·tab·o·lite

a metabolite synthesized in a step in secondary metabolism.

secondary metabolite

a product of microbial cells in culture when growth is slowing down. While having no obvious role in the cellular physiology of the producer, secondary metabolites are sometimes most useful to humans, e.g. as antibiotics. Compare PRIMARY METABOLITE.
References in periodicals archive ?
Here I review diverse evidence of the influence of plant secondary compounds on vertebrate reproduction, including human reproduction.
Among higher primates, gorillas have enlarged colons which enable higher rates of fermentation to accommodate a fibrous diet of low quality plant fibres and greater processing of indigestible plant secondary compounds than smaller bodied apes (Remis et al.
A lichen's usefulness as medicine probably usually comes from the lichen secondary compounds that are abundant in most lichen thalli.
Female aversion to secondary compounds in nectar may be adaptive if such compounds interfere with survival or egg development, or if nicotine in nectar provides information about host quality for offspring.
Secondary compounds may also affect fruit choice because birds may eat a diversity of fruits to avoid toxic levels of particular secondary compounds (Baruea et al.
Like tomato and cucumber, the researchers' data indicate that some flavor-important secondary compounds are not formed until the fruit softens, or until its tissue is disrupted in some manner.
Finally, Chapter 12 attempts a "behind the scenes" look, providing some information on the cultivation of medicinal mushrooms, the phytochemical analysis of their secondary compounds, where to obtain mushrooms, and how to use them.
So, there is some evidence possibly that the secondary compounds in tea (or whatever it is about tea) seem to shift fuel use from [burning] carbohydrates to burning fat a little better," Dr.
A non-toxic form of a bacterial protein known as Shiga B-subunit together with tumor associated molecules can stimulate the immune system of mice to attack cancer cells without the need for secondary compounds known as adjuvants and offers hope for the development of improved cancer vaccines, according to a study published in the September issue of the Journal of Immunology.
He points out that most plants defend themselves against insects and other predators with a batch of chemicals, known as secondary compounds, that have potent properties when ingested.
As a commodity chemical, chlorine and its co-product, sodium hydroxide (caustic soda), are used in more than half of all commercial chemistry applications to create hundreds of secondary compounds that in turn contribute to plastics, pharmaceuticals and thousands of other modern-day products.
The client wanted to do with this tender the procurement of communications services to the future and fail-safe operation of fixed networks in the context of a market-driven costs and improve a WAN-/VPN-Infrastruktur for all sites in the form of primary and secondary compounds.