Molecular evidence for the origins of Antarctic fishes: paraphyly of the Bovichtidae and no indication for the monophyly of the Notothenioidei (Teleostei)

@article{Lecointre1997MolecularEF,
  title={Molecular evidence for the origins of Antarctic fishes: paraphyly of the Bovichtidae and no indication for the monophyly of the Notothenioidei (Teleostei)},
  author={Guillaume Lecointre and C{\'e}line Bonillo and catherine ozouF-cosTaz and J. C. Hureau},
  journal={Polar Biology},
  year={1997},
  volume={18},
  pages={193-208}
}
Abstract The notothenioids are an Antarctic suborder of perciform fishes to which increasing interest is being devoted. To investigate their origin, one must address two questions. First, are Bovichtidae (Bovichtus, Cottoperca, Pseudaphritis), the sister-group of the rest of the suborder, monophyletic ? Secondly, what is the sister-group of the Notothenioidei ? These questions were addressed by determining the complete nucleotide sequence of the D2 and D8 domains of 28S rDNA (759 sites, among… 
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Histology indicates that Balushkin’s antesupracleithral organ is the thymus, a lymphoid organ that involutes with age in notothenioids, and a new ocular character complex first recognized here reinforces the phyletically basal position of bovichtids.
Phylogenetic analysis of Antarctic notothenioid fishes based on two-dimensional gel electrophoresis
TLDR
The phylogenetic analyses showed that Gymnodraco acuticeps (Bathydraconidae) and Champsocephalus gunnari (Channichthyidae) composed a sistergroup, and that the family Nototheniidae was paraphyletic.
Genome enablement of the notothenioidei: genome size estimates from 11 species and BAC libraries from 2 representative taxa.
TLDR
The results indicate that evolution of phylogenetically derived notothenioid families, [e.g., the icefishes (Channichthyidae], was accompanied by genome expansion, and sets the stage for expanded analysis of the psychrophilic mode of life.
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