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Bioscience, Biotechnology, and Biochemistry Volume 72, 2008 - Issue 6
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Original Articles

Evaluation of the Protective Activities of a Late Embryogenesis Abundant (LEA) Related Protein, Cor15am, during Various Stresses in Vitro

Katsuhiro NAKAYAMAThe 21st Century Centers of Excellence Program, Cryobiofrontier Research Center, Iwate University
,
Kumiko OKAWAThe 21st Century Centers of Excellence Program, Cryobiofrontier Research Center, Iwate University
,
Tomohiro KAKIZAKIThe 21st Century Centers of Excellence Program, Cryobiofrontier Research Center, Iwate University
&
Takehito INABAThe 21st Century Centers of Excellence Program, Cryobiofrontier Research Center, Iwate University
Pages 1642-1645 | Received 03 Apr 2008, Accepted 30 Apr 2008, Published online: 22 May 2014
 
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Abstract

Arabidopsis Cor15am is a late embryogenesis abundant (LEA) related protein that has been shown to exhibit cryoprotective activity in vitro. In this study, we further investigated the mechanisms by which Cor15am protects substrates from inactivation. Although Cor15am did not exhibit refolding activity, it showed protective activity against various stresses in vitro. This might be attributable to the activity of Cor15am in attenuating the aggregation of the substrates. Our data indicate that Cor15am functions as a protectant against various stresses by preventing protein aggregation.

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