Antifreeze proteins in higher plants

Overwintering plants produce antifreeze proteins (AFPs) having the ability to adsorb onto the surface of ice crystals and modify their growth. Recently, several AFPs have been isolated and characterized and five full-length AFP cDNAs have been cloned and characterized in higher plants. The derived a...

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Bibliographic Details
Published in:Phytochemistry 2003-12, Vol.64 (7), p.1187-1196
Main Authors: Atici, O, Nalbantoglu, B
Format: Article
Language:English
Subjects:
Acclimatization
Amino Acid Sequence
amino acid sequences
Antifreeze cDNA
Antifreeze protein
Antifreeze Proteins - pharmacology
Antifreeze Proteins - physiology
cold stress
complementary DNA
Cryoprotective Agents - pharmacology
Freezing
grasses
hormonal regulation
ice
ice damage
Ice formation
literature reviews
Lolium perenne
Molecular Sequence Data
Overwintering plant
Plant Physiological Phenomena
plant proteins
plant stress
Plants - chemistry
Sequence Alignment
Sequence Homology, Amino Acid
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Summary:Overwintering plants produce antifreeze proteins (AFPs) having the ability to adsorb onto the surface of ice crystals and modify their growth. Recently, several AFPs have been isolated and characterized and five full-length AFP cDNAs have been cloned and characterized in higher plants. The derived amino acid sequences have shown low homology for identical residues. Theoretical and experimental models for structure of Lolium perenne AFP have been proposed. In addition, it was found that the hormone ethylene is involved in regulating antifreeze activity in response to cold. In this review, it is seen that the physiological and biochemical roles of AFPs may be important to protect the plant tissues from mechanical stress caused by ice formation. Physiological and biochemical roles of antifreeze proteins (AFPs) are important to protect the plant tissues from mechanical stress caused by ice formation. Several AFPs and five full-length AFP cDNAs have been isolated, cloned and characterized in higher plants.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(03)00420-5