Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4419071 | Ecotoxicology and Environmental Safety | 2016 | 7 Pages |
•Four C1q-domain-containing (C1qDC) protein genes were cloned from V. philippinarum.•VpC1qDCs expression were modulated by the water soluble fraction of No.0 diesel oil.•VpC1qDCs involved in antioxidant defence and oil detoxification in V. philippinarum.•VpC1qDC1 and VpC1qDC3 were more sensitive to environmental stress.
As pattern recognitionreceptors, the C1q-domain-containing (C1qDC) proteins play an important role in the pathogen recognition and complement pathway activation. In the present study, four novel C1q domain containing proteins (designated as VpC1qDC1, VpC1qDC2, VpC1qDC3 and VpC1qDC4) were cloned and characterized from clam Venerupis philippinarum. The four VpC1qDCs all possessed the conserved features critical for the fundamental structure and function of the C1q family. The four VpC1qDCs genes showed differential response profiles after exposure to the water soluble fraction of No.0 diesel oil (WSFD). More notably, VpC1qDC1 and VpC1qDC3 were more sensitive to low concentration of WSFD, as their mRNA level changed by higher magnitudes. In addition, VpC1qDC2 and VpC1qDC4 displayed notable increases with larger amplitude to high concentration of WSFD. All these results suggested that the transcriptional response of VpC1qDCs genes were probably a protective mechanism of the cell to oils pollution. The diverse expression patterns of VpC1qDCs demonstrated that VpC1qDC1 and VpC1qDC3 were sensitive responders to environmental stress in V. philippinarum.