How to use avidities in a sentence? Find typical usage patterns (collocations)/phrases/context for "avidities" and check conjugation/comparative form for "avidities". Mastering all the usages of "avidities" from sentence examples published by news publications.
Matricity is the interaction of a matrix with its environment. This word is used particularly of protein interactions, where a polymerised protein (a matrix) interacts with a membrane or another polymer. Protein interactions can normally be described by their affinities for each other. The interactions of clustered proteins for multivalent ligands are described by avidities (avidity), while matricity describes a semisolid state interaction of a matrix with its environment.
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Like most siderophores, pyoverdine is synthesized and secreted into the environment when the microorganism that produces it detects that intracellular iron concentrations have fallen below a preset threshold. Although iron is the fourth-most abundant element in the Earth's crust, solubility of biologically relevant iron compounds is exceedingly low, and is generally insufficient for the needs of most (but not all) microorganisms. Siderophores, which are typically quite soluble and have exceptionally high avidity for iron (III) (the avidity of some siderophores for iron exceeds 10 M and many of the strongest avidities ever observed in nature are exhibited by siderophores for iron), help increase bioavailability of iron by pulling it into aqueous solution. In addition to this role, pyoverdine has a number of other functions, including regulating virulence, limiting the growth of other bacterial species (and serving as a sort of antimicrobial) by limiting iron availability, and sequestering other metals and preventing their toxicity.
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