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- Title
A Joint effects of water temperature and salinity on the expression of gill Hsp70 gene in Pinctada martensii (Dunker).
- Authors
WANG Ya-nan; WANG Hui; ZHU Xiao-wen; LUO Ming-ming; LIU Zhi-gang; DU Xiao-dong
- Abstract
By using central composite experimental design and response surface method, the joint effects of water temperature (16-40 ° C) and salinity (10-50) on the expression of gill Hsp70 gene in Pinctada martensii (Dunker) were studied under laboratory conditions. The results showed that the linear and quadratic effects of temperature on the expression of gill Hsp70 gene were significant, the linear effect of salinity was not significant, while the quadratic effect of salinity was significant. The interactive effect of temperature and salinity was not significant, and the effect of temperature was greater than that of salinity. The model equation of the gill Hsp70 gene expression was established, with the R2, Adj. R2, and Pred. R2 as high as 98.7%, 97.4%, and 89.2%, respectively, suggesting that the overarching predictive capability of the model was very satisfactory, and could be practicably applied for prediction. Through the optimization of the model, the expression of the gill Hsp70 gene reached its minimum (0.5276) when the temperature was 26.78 °C and the salinity was 29.33, with the desirability value being 98%. These experimental results could offer theoretical reference for the high expression of gill Hsp70 gene in P. martensii, the maintenance of cell internal environment stability, and the enhancement of P. martensii stress resistance.
- Publication
Yingyong Shengtai Xuebao, 2012, Vol 23, Issue 12, p3467
- ISSN
1001-9332
- Publication type
Academic Journal