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Çѱ¹½Ä¹°ÇÐȸ / v.45, no.4, 2002³â, pp.225-229
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( Expression of a Dehydrin-Like Protein in Maize Seedlings Germinated from Seed Exposed to Freezing ) |
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| Dehydrins are a family of heat-soluble, hydrophilic proteins that share a considerable degree of sequence homology, Their expression has been reported in numerous plant species in response to a multitude of environmental stresses including low temperature, freezing, and desiccation. It has also been established that exposing plant tissues to freezing temperatures generates desiccation stress. We observed differential accumulation of a dehydrin-like protein and corresponding mRNA in three-day-old maize (Zea mays L.) seedlings germinated under favorable environmental conditions from seed that had been exposed to freezing temperatures during maturation. This represents the first documented situation in which a dehydrin-like protein differentially accumulates under favorable environmental renditions. We believe that the dehydrin-like protein and corresponding mRNA are synthesized de novo in seedling that are germinated from seed that have been exposed to freezing in response to desiccation-like stress that persists under favorable environmental conditions resulting from freeze-induced damage sustained by the ungerminated embryo. |
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| dehydrin;freezing;maize;seed; |
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Journal of Plant Biology / v.45, no.4, 2002³â, pp.225-229
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211922411665)
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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