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Identification of ABC Transporter Genes in Gonad Tissue of Two Mediterranean Sea Urchin Species: Black, Arbacia lixula L., and Rocky, Paracentrotus lividus L.

Abstract

Multixenobiotic resistance (MXR) represents an important cellular detoxification mechanism in aquatic organisms as it provides them robustness toward natural and man-made contaminants. Several ABC transporters have major roles in the MXR phenotype – P-gp/ABCB1, MRP1–3/ABCC1–3 and BCRP/ABCG2. In this study, we identified the presence of ABC transporters involved in the MXR mechanism of Arbacia lixula and Paracentrotus lividus. AlABCB1/P-gp, AlABCC3/MRP3, AlABCC9/SUR-like and AlABCG-like transcripts were identified in A. lixula; and PlABCC1/P-gp, PlABCC3/MRP3, PlABCC5/MRP5, and PlABCC9/SUR-like transcripts in P. lividus. For each of the new partial sequences, we performed detailed phylogenetic and identity analysis as a first step toward full characterization and understanding of the ecotoxicological role of these ABC transporters.

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Acknowledgments

This work has been supported by the Ministry of Science, Education and Sports of the Republic of Croatia, Project Nos. 058-0582261-2246 and 098-0982934-2745.

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Correspondence to Ivana Bošnjak.

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Bošnjak, I., Zaja, R., Klobučar, R.S. et al. Identification of ABC Transporter Genes in Gonad Tissue of Two Mediterranean Sea Urchin Species: Black, Arbacia lixula L., and Rocky, Paracentrotus lividus L.. Bull Environ Contam Toxicol 91, 415–419 (2013). https://doi.org/10.1007/s00128-013-1021-8

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Keywords

  • ABC transporters
  • MXR mechanism
  • Arbacia lixula
  • Paracentrotus lividus