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Genome dynamics and chromosomal localization of the non-LTR retrotransposons Rex1 and Rex3 in Antarctic fish
TLDR
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.
Conservation of the 5S-bearing chromosome pair and co-localization with major rDNA clusters in five species of Astyanax (Pisces, Characidae)
TLDR
Major and5S ribosomal genes have been localized in chromosomes from five fish species, genus Astyanax, using in situ hybridization (FISH) with 28S and 5S rDNA probes for elucidating evolutionary relationships among closely related taxa.
Viability of X-autosome translocations in mammals: an epigenomic hypothesis from a rodent case-study
TLDR
An epigenomic hypothesis is proposed which posits that constitutive heterochromatin is probably selected for in X-autosome translocations since it may protect the inactivated X from spreading to the autosomal part, and allow for the independent regulation of replication timing of the sex and autosomal segments.
Molecular and morphological phylogenies of the Antarctic teleostean family Nototheniidae, with emphasis on the Trematominae
TLDR
Four independent molecular data sets were sequenced in order to solve longstanding phylogenetic problems among Antarctic teleosts of the family Nototheniidae and show that the tendencies shown by some trematomines to secondarily colonize the water column are not gained through common ancestry.
Phylogeny of the Channichthyidae (Notothenioidei, Teleostei) Based on Two Mitochondrial Genes
TLDR
The family Channichthyidae contains 11 genera and 15 species and is considered monophyletic, and was first investigated by Iwami based on morphological characters.
Is the Species Flock Concept Operational? The Antarctic Shelf Case
TLDR
The present study contradicts the paradigm that marine species flocks are rare and proposes a new protocol which includes an iterative fine-tuning of the monophyly and endemicity criteria in order to discover unsuspected flocks.
The complex phylogeography of the Indo‐Malayan Alophoixus bulbuls with the description of a putative new ring species complex
TLDR
This work reconstructed the phylogeographic history of a group of closely related passerines, the Alophoixus bulbuls, and detected evidence of population expansion in two subspecies, including one that was involved in the closing of the ring.
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