Genome-Wide Identification, Characterization and Phylogenetic Analysis of ATP-Binding Cassette (ABC) Transporter Genes in Common Carp (Cyprinus carpio)

PLoS One. 2016 Apr 8;11(4):e0153246. doi: 10.1371/journal.pone.0153246. eCollection 2016.

Abstract

The ATP-binding cassette (ABC) gene family is considered to be one of the largest gene families in all forms of prokaryotic and eukaryotic life. Although the ABC transporter genes have been annotated in some species, detailed information about the ABC superfamily and the evolutionary characterization of ABC genes in common carp (Cyprinus carpio) are still unclear. In this research, we identified 61 ABC transporter genes in the common carp genome. Phylogenetic analysis revealed that they could be classified into seven subfamilies, namely 11 ABCAs, six ABCBs, 19 ABCCs, eight ABCDs, two ABCEs, four ABCFs, and 11 ABCGs. Comparative analysis of the ABC genes in seven vertebrate species including common carp, showed that at least 10 common carp genes were retained from the third round of whole genome duplication, while 12 duplicated ABC genes may have come from the fourth round of whole genome duplication. Gene losses were also observed for 14 ABC genes. Expression profiles of the 61 ABC genes in six common carp tissues (brain, heart, spleen, kidney, intestine, and gill) revealed extensive functional divergence among the ABC genes. Different copies of some genes had tissue-specific expression patterns, which may indicate some gene function specialization. This study provides essential genomic resources for future studies in common carp.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • ATP-Binding Cassette Transporters / classification
  • ATP-Binding Cassette Transporters / genetics*
  • Animals
  • Carps / genetics*
  • Evolution, Molecular
  • Fish Proteins / classification
  • Fish Proteins / genetics*
  • Gene Deletion
  • Gene Duplication
  • Gene Expression Profiling
  • Genetic Variation
  • Genome-Wide Association Study
  • Multigene Family
  • Phylogeny
  • Synteny
  • Tissue Distribution

Substances

  • ATP-Binding Cassette Transporters
  • Fish Proteins

Grants and funding

The authors acknowledge grant support from the National Natural Science Foundation of China (No.31422057), National High-Technology Research and Development Program of China (863 program; 2011AA100401), Special Scientific Research Funds for Central Non-profit Institutes of Chinese Academy of Fishery Sciences (2014A03YQ01; 2014C008) and Foundation of Beijing Key Laboratory of Fishery Biotechnology (201602). The authors would like to extend their sincere appreciation to the Deanship of Scientific Research at King Saud University for funding this research (No. RG 1435-012).