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Barcode and molecular taxonomy


One of our research subjects is the exploration of the efficiency of molecular barcoding for the identification of Acanthomorph fishes. We also help building the reference dataset that will be used  for the identifications. However, this is cannot be done without a full reassessment of our knowledge of the small scale systematics of the group: identification aims to recover the species delineations. If our knowledge about these species delineations is incorrect, identification will most probably not succeed. Recent studies have shown that Acanthomorph systematics still has large surprises in store for us (see for instance Johnson et al. 2009).

We study groups with the COI mitochondrial marker (both for identification, and, analysed differently, as a marker for phylogenetics), but we corroborate the results through morpho-anatomy studies and additional molecular data.

We focus particularly on barcoding and molecular taxonomy of antarctic teleosts. We also study specimens from other campaigns, especially tropical, in both freshwater and sea.



References

G.David Johnson, John R. Paxton, Tracey T. Sutton, Takashi P. Satoh, Tetsuya Sado, Mutsumi Nishida, and Masaki Miya (2009). Deep-sea mystery solved: astonishing larval transformations and extreme sexual dimorphism unite three fish families. Biol Lett. 2009 April 23; 5(2): 235–239.  http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2667197/pdf/rsbl20080722.pdf/?tool=pmcentrez