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Phylogenetic Systematics and Evolution

New publication

Massive DNA sequencing efforts behind recently published study of mitochondrial genomes in lantern fishes.

Although lantern fishes are amongst the most numerous of vertebrate animals in the World, they are generally not well known. Ph.D. stipendiat Jan Yde Poulsen in the University Museum of Bergen is studying the evolution and systematics of lantern fishes and has recently published a comprehensive work with Norwegian and Japanese colleagues in BMC Evolutionary Biology.

Mitochondrial genomes are usually circular and the genes usually have the same order in most vertebrate species. However, Poulsen has found many different gene order rearrangement in lantern fishes. Each case of gene rearrangement testifies internal species relationships and helps to reconstruct the evolutionary history of the lantern fishes.

The publication is Open Access and can be found here.

More info about lantern fishes in Fish Base.