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Genome dynamics and chromosomal localization of the non-LTR retrotransposons Rex1 and Rex3 in Antarctic fish
This report is the first description and analysis of retrotransposable elements in Antarctic fish genomes and suggests the presence of autosomal and gonosomal regions of preferential accumulation for different types of repeated elements in notothenioid genomes.
Molecular pedomorphism underlies craniofacial skeletal evolution in Antarctic notothenioid fishes
The hypothesis that early shifts in the relative timing of craniofacial skeletal gene expression may have had a significant impact on the adaptive radiation of Antarctic notothenioids into pelagic habitats is supported.
Antarctic fish chromosome banding : Significance for evolutionary studies
Un recapitulatif des resultats obtenus avec les techniques de marquage (banding) qu'il a ete possible d'appliquer jusqu'a present aux chromosomes des poissons antarctiques est expose. Il s'agit en
Fishes of Antarctica: a biological overview Edited by G. di Prisco, E. Pisano & A. Clarke Springer-Verlag, Milano (1998). 363 pages. Price DM 198. ISBN 88 470 0028 9.
A comparison of Adaptive Radiations of Antarctic Fish with those of NonAntarctic Fish is compared.
A nursery area for the Antarctic silverfish Pleuragramma antarcticum at Terra Nova Bay (Ross Sea): first estimate of distribution and abundance of eggs and larvae under the seasonal sea-ice
The present results add information on life cycle and hatching period of the Antarctic silverfish and confirm the importance of the Terra Nova Bay as a nursery area for this important species.
Adaptive radiation in Antarctic notothenioid fish: Studies of genomic change at chromosomal level
Advances in cytogenetics at the molecular level provide new perspectives for understanding how changes in genome organisation are correlated with critical events in the evolution and adaptation of Antarctic fish.
The two giant sister species of the Southern Ocean, Dissostichus eleginoides and Dissostichus mawsoni, differ in karyotype and chromosomal pattern of ribosomal RNA genes
The two giant notothenioid species, the Patagonian toothfish Dissostichus eleginoides and the Antarctic toothfish D. mawsoni, are important components of the Antarctic ichthyofauna and heavily
A multiple sex-chromosome system in Antarctic ice-fishes
Eleven of the 15 known species of the notothenioid family Channichthyidae, the specialized whiteblooded Teleosts endemic to the Southern Ocean, show a multiple sex-chromosome system possibly originated by the translocation of an autosome on an early Y gonosome morphologically similar to the X.
Evolution in an extreme environment: developmental biases and phenotypic integration in the adaptive radiation of antarctic notothenioids
It is proposed that the evolution of high levels of phenotypic integration in icefishes may be considered a key innovation that facilitated their morphological evolution and subsequent ecological expansion.