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Characterization of CLCN5 and Expression Profile under Low-Salinity Stress in Takifugu rubripes

Characterization of CLCN5 and Expression Profile under Low-Salinity Stress in Takifugu rubripes

Lin Ye, Jie-Lan Jiang*, Jia Xu, Rui-Ting Liu, Yin-Qiu Tian, Qing-Qing Zang, Jia-Yi Cao and Ming-Guang Mao*

Key Laboratory of Mariculture and Stock Enhancement in North China’s Sea, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fish Applied Biology and Aquaculture in North China, Liaoning Province, College of Fisheries and Life Sciences, Dalian Ocean University, Dalian 116023, China

 
* Corresponding author: jielanjiang@dlou.edu.cn; mmg@dlou.edu.cn

Fig. 1.
Nucleotide sequence of the TrCLCN5 gene and its deduced amino acid sequence from Takifugu rubripes. 
The amino acid sequence is shown with one letter codes below the nucleotide sequence in shadow. The initiation codon is underlined, and the stop codon is indicated with an asterisk. 
Fig. 2.

Transmembrane structures and functional domains in TrCLCN5. A: Transmembrane structures in TrCLCN5 detected using the TMHMM web server; B: Functional domains in TrCLCN5 detected using the conserved domain database web server.

Fig. 3.

Neighbor-joining phylogenetic tree of TrCLCN5 amino acid sequences and other representative species.

Fig. 4.

Relative expression level of CLCN5 mRNA in different tissues of Takifugu rubripes by quantitative real-time PCR analysis. The tissues include gill (G), liver (L), brain (B), muscle (M), intestine (In), and kidney (K). After normalization to β-actin, relative expressions of TrCLCN5 mRNA were calculated using the 2-ΔΔCt method. Bars represent the mean ± SD. The * indicates significant differences (p < 0.05).

Fig. 5.

Relative expression of TrCLCN5 mRNA in Takifugu rubripes gills under low-salinity stress at different time points. After normalization to β-actin, relative expressions of TrCLCN5 mRNA were calculated using the 2-ΔΔCt method. Bars represent the mean ± SD. The * indicates significant differences from the control group (p < 0.05).

Fig. 6.

Relative expression of TrCLCN5 mRNA in Takifugu rubripes gills after 3 h of low-salinity stress. After normalization to β-actin, relative expressions of TrCLCN5 mRNA were calculated using the 2-ΔΔCt method. Bars represent the mean ± SD. The * indicates significant differences from the control group (p < 0.05).

Pakistan Journal of Zoology

April

Pakistan J. Zool., Vol. 56, Iss. 2, pp. 503-1000

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