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 ?
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.
The evaluation of processing aids that could inhibit aldehyde production, and an analysis of secondary compounds in processed fruit and during the storage of fresh-cut fruit, could help the industry deliver more consumer-acceptable products.
Here I review diverse evidence of the influence of plant secondary compounds on vertebrate reproduction, including human reproduction.
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.
Several of the more than 100,000 secondary compounds made by plants may play a role in reducing chronic or degenerative diseases in people.
They also suggest that, more generally, repeated exploitation of secondary compounds by plant-eating insects may account for the great diversity of secondary chemicals that plants produce: That is, every time an insect herbivore adapts to a plant's toxins, the plant is forced to produce a new one.
In addition, GE will supply the NBC broadcast of the Games, three Athens Olympic Broadcasting secondary compounds and 50% of the lighting power needs for 35 sports venues.