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The Apostichopus japonicus is an important species in some Asia countries including Korea, China and Japan. The purpose of the present study was to investigate the differential gene expression of heat shock protein90 (Hsp90) and ferritin as a biomarker for the thermal stress during water temperature rising in the sea cucumber, A. japonicus. The A. japonicus (1.4 g) was cultured in incubator of separate temperature (15°C, 20°C, 25°C and 30°C) for each 0, 3, 6, 12, 24, 48 hours. The mRNA expression levels of Hsp90 and ferritin were examined using RT-PCR assay. Results showed that, the expression of Hsp90 mRNA was not significantly changed at 15°C.
The expression of Hsp90 mRNA was significantly increased at high temperature such as 20°C and 25°C. Furthermore, Hsp90 mRNA was early increased at 25°C than 20°C. The ferritin mRNA was similar expression pattern with Hsp90. But, Hsp90 mRNA was more sensitive than ferritin mRNA at high thermal stress. These results indicate that Hsp90 and ferritin mRNAs were involved in the temperature changes response and may be play an important role in mediating the thermal stress in A. japonicas.
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참고문헌 (23)
참고문헌 신청
Basu N. / 2002 / Heat shock protein genes and their functional significance in fish / Gene 295 : 173 ~ 183
Colinet H. / 2010 / Temporal expression of heat shock genes during cold stress and recovery from chill coma in adult Drosophila melanogaster / FEBS J 277 : 174 ~ 185
Dong YW. / 2008 / Effects of different thermal regimes on growth and physiological performance of the sea cucumber Apostichopus japonicus Selenka / Aquaculture 275 : 329 ~ 33
Fangue NA. / 2006 / Intraspecific variation in thermal tolerance and heat shock protein gene expression in common killifish, Fundulus heteroclitus / J. Exp. Biol 209 : 2859 ~
Feder ME. / 1999 / Heat-shock proteins, molecular chaperones, and the stress response : evolutionary and ecological physiology / Annu. Rev. Physiol 61 : 243 ~ 282
Colinet H. / 2010 / Temporal expression of heat shock genes during cold stress and recovery from chill coma in adult Drosophila melanogaster / FEBS J 277 : 174 ~ 185
Dong YW. / 2008 / Effects of different thermal regimes on growth and physiological performance of the sea cucumber Apostichopus japonicus Selenka / Aquaculture 275 : 329 ~ 33
Fangue NA. / 2006 / Intraspecific variation in thermal tolerance and heat shock protein gene expression in common killifish, Fundulus heteroclitus / J. Exp. Biol 209 : 2859 ~
Feder ME. / 1999 / Heat-shock proteins, molecular chaperones, and the stress response : evolutionary and ecological physiology / Annu. Rev. Physiol 61 : 243 ~ 282
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