한국초지조사료학회지 (Journal of The Korean Society of Grassland and Forage Science)

  • 제40권4호
  • /
  • Pages.285-290
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  • 2020
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  • 2287-5824(pISSN)
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  • 2287-5832(eISSN)
한국초지조사료학회 (The Korean Society of Grassland and Forage Science)
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Isolation and Characterization of a Rice Mitochondrial Small Heat Shock Protein Gene

  • Kim, Do-Hyun (Division of Applied Life Sciences (BK21Plus), IALS, Gyeongsang National University) ;
  • Alam, Iftekhar (Division of Applied Life Sciences (BK21Plus), IALS, Gyeongsang National University) ;
  • Lee, Dong-Gi (Division of Applied Life Sciences (BK21Plus), IALS, Gyeongsang National University) ;
  • Lee, Byung-Hyun (Division of Applied Life Sciences (BK21Plus), IALS, Gyeongsang National University)
  • 투고 : 2020.11.09
  • 심사 : 2020.11.25
  • 발행 : 2020.12.31
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초록

To understand the role of small heat shock protein (sHSPs) in rice plant response to various stresses such as the heat and oxidative stresses, a cDNA encoding a 24.1 kDa mitochondrial small HSP (Oshsp24.1) was isolated from rice by rapid amplification of cDNA ends (RACE) PCR. The deduced amino acid sequence shows very high similarity with other plant small HSPs. DNA gel blot analysis suggests that the rice genome contains more than one copy of Oshsp24.1. High level of expression of Oshsp24.1 transcript was observed in rice seedlings in response to heat, methyl viologen, hydrogen peroxide, ozone, salt and heavy metal stresses. Recombinant OsHSP24.1 protein was produced in E. coli cells for biochemical assay. The protein formed oligomeric complex when incubated with Sulfo-EGS (ethylene glycol bis (succinimidyl succinate)). Our results shows that Oshsp24.1 has an important role in abiotic stress response and have potential for developing stress-tolerant plants.

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참고문헌

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