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Properties, Potentials, and Prospects of Antifreeze Proteins

Venketesh, S and Dayananda, C (2008) Properties, Potentials, and Prospects of Antifreeze Proteins. In: Critical Reviews in Biotechnology, 28 (1). pp. 57-82.

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Antifreeze proteins (AFPs) are a group of proteins that protect organisms from deep freezing temperatures and are expressed in vertebrates, invertebrates, plants, bacteria, and fungi. The nuclear magnetic resonance, x-ray structure, and many spectroscopic studies with AFPs have been instrumental in determining the structure-function relationship. Mutational studies have indicated the importance of hydrophobic residues in ice binding. Various studies have pointed out that the mechanism of AFP action is through its adsorption on the ice surface, which leads to a curved surface, preventing further growth of ice by the "Kelvin effect." The AFPs have potential industrial, medical, and agricultural application in different fields, such as food technology, preservation of cell lines, organs, cryosurgery, and cold hardy transgenic plants and animals. However, the applications of AFPs are marred by high cost due to low yield. This review deals with the source and properties of AFPs from an angle of their application and their potential. The possibility of production using different molecular biological techniques, which will help increase the yield, is also dealt with.

Item Type: Journal Article
Publication: Critical Reviews in Biotechnology
Publisher: Taylor & Francis
Additional Information: Copyright of this article belongs to Taylor & Francis.
Keywords: AFP;thermal hysteresis;protein expression;HSP;molecular chaperones.
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 24 Sep 2008 10:31
Last Modified: 24 Sep 2008 10:31
URI: http://eprints.iisc.ac.in/id/eprint/15889

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