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Expression of a Dehydrin-Like Protein in Maize Seedlings Germinated from Seed Exposed to Freezing
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  • Expression of a Dehydrin-Like Protein in Maize Seedlings Germinated from Seed Exposed to Freezing
  • Expression of a Dehydrin-Like Protein in Maize Seedlings Germinated from Seed Exposed to Freezing
저자명
Hartwigsen. Jack A.,Goggi. Susana A.
간행물명
Journal of plant biology
권/호정보
2002년|45권 4호|pp.225-229 (5 pages)
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한국식물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

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.