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Doublesex and mab-3 related transcription factor (dmrt) play crucial roles in sex determination and sex differentiation in vertebrates and invertebrates. Although dmrt genes have been identified in vertebrates, little is known about aquatic invertebrates. In this study, two dmrt genes, namely, Dc_dmrt93B and Dc_dmrt99B, were identified from brackish water flea, Diaphanosoma celebensis. Transcriptional changes were observed in the dmrt genes when the flea was exposed to bisphenol (BP), an endocrine disruptor. Sequence and phylogenetic analyses showed that both dmrt genes contained two conserved domains, namely, DM and DMA, closely clustered with those of Daphnia spp. Additionally, a significant increase in the Dc_dmrt99B mRNA expression level was observed upon exposure to intermediate concentrations of BP (bisphenol A>bisphenol S=bisphenol F, p<0.05), while the expression of Dc_dmrt93B mRNA was slightly modulated. These findings imply that the two dmrt genes may be involved in sex differentiation of D. celebensis. Furthermore, it was found that the ability of BP to modulate dmrt genes could affect development and reproduction. This study provides a basis for understanding the function of the dmrt genes and the molecular mode of action of BP in small crustaceans.
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참고문헌 (39)
참고문헌 신청
Bellefroid EJ / 2013 / Expanding roles for the evolutionarily conserved Dmrt sex transcriptional regulators during embryogenesis / Cell. Mol. Life Sci 70:3829~3845
Beronius A / 2015 / Using systematic reviews for hazard and risk assessment of endocrine disrupting chemicals / Rev. Endocr. Metab. Disord 16:273~287
Caballero-Casero N / 2016 / Analytical meth-ods for the determination of mixtures of bisphenols and deri-vatives in human and environmental exposure sources and biological fluids / Anal. Chim. Acta 908:22~53
Canesi L / 2015 / Environmental effects of BPA : focus on aquatic species / Dose-Response 13:1~14
Chen D / 2016 / Bisphenol analogues other than BPA: Environmental occurrence, human exposure, and toxicity / Environ. Sci. Technol 50:5438~5453
Beronius A / 2015 / Using systematic reviews for hazard and risk assessment of endocrine disrupting chemicals / Rev. Endocr. Metab. Disord 16:273~287
Caballero-Casero N / 2016 / Analytical meth-ods for the determination of mixtures of bisphenols and deri-vatives in human and environmental exposure sources and biological fluids / Anal. Chim. Acta 908:22~53
Canesi L / 2015 / Environmental effects of BPA : focus on aquatic species / Dose-Response 13:1~14
Chen D / 2016 / Bisphenol analogues other than BPA: Environmental occurrence, human exposure, and toxicity / Environ. Sci. Technol 50:5438~5453
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