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Fig. 2 | BMC Genomics

Fig. 2

From: Osmoregulatory strategies of estuarine fish Scatophagus argus in response to environmental salinity changes

Fig. 2

Proteomic profiles in S. argus gill by iTRAQ. A Total spectra are the secondary mass spectra, and the spectra are the secondary mass spectra after quality control. A unique peptide indicates an identified peptide belonging to only one group of proteins. Proteins were identified by Mascot 2.3.02 software. B Volcano plots showing the distribution of the protein expression measurements for the 6,272 quantified proteins in the gills of S. argus under different environmental salinity stresses, according to the -log10(p-value) of the Bonferroni-corrected t-test and the log2(fold-change) in expression between the treatment group (0‰, 10‰, 35‰ and 50‰) and the control group (25‰). Blue circles represent down-regulated proteins with a p-value < 0.05, red circles represent up-regulated proteins with a p-value < 0.05, and gray circles represent unchanged proteins. C Venn diagram of the substantial differences in the gill proteome of S. argus in response to different environmental salinities

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