Antifreeze proteins in higher plants |
| |
Authors: | Atici Okkeş Nalbantoglu Barbaros |
| |
Institution: | Department of Biology, Faculty of Science and Arts, Atatürk University, 25240 Erzurum, Turkey. |
| |
Abstract: | 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. |
| |
Keywords: | Antifreeze protein Antifreeze cDNA Ice formation Overwintering plant |
本文献已被 ScienceDirect PubMed 等数据库收录! |