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Multidirectional chromosome painting in Synallaxis frontalis (Passeriformes, Furnariidae) reveals high chromosomal reorganization, involving fissions and inversions
TLDR
Analysis of the data on chromosome painting and the data published in other Passeriformes highlights chromosomal changes that have occurred during the evolution of Passer bird species.
Chromosome Painting in Neotropical Long- and Short-Tailed Parrots (Aves, Psittaciformes): Phylogeny and Proposal for a Putative Ancestral Karyotype for Tribe Arini
TLDR
This work constructed homology maps of Pyrrhura frontalis and Amazona aestiva, belonging to the long- and short-tailed groups, to propose a putative ancestral karyotype for this group, and indicates that PFR retained a more basal karyotypes than long-tailed species previously studied, and AAE aMore basal kARYotype for Neotropical Psittacidae analyzed so far.
Karyotype Evolution in Birds: From Conventional Staining to Chromosome Painting
TLDR
In this report, the authors gather both classical and molecular cytogenetic data and describe some interesting and unique characteristics of karyotype evolution in birds.
Chromosomal Analysis in Crotophaga ani (Aves, Cuculiformes) Reveals Extensive Genomic Reorganization and an Unusual Z-Autosome Robertsonian Translocation
TLDR
The results suggest that the avian sex chromosome is more complex than previously postulated and revealed the role of microchromosomes in the avan sex chromosome evolution, especially cuckoos.
Chromosomal Diversity and Karyotype Evolution in South American Macaws (Psittaciformes, Psittacidae)
TLDR
Analyzing the karyotype of two species of macaws confirmed that despite apparent chromosomal similarity, macaws have very diverse karyotypes, which differ from each other not only by inversions and translocations as postulated before, but also by fissions and fusions.
Chromosomal Evolution in the Phylogenetic Context: A Remarkable Karyotype Reorganization in Neotropical Parrot Myiopsitta monachus (Psittacidae)
TLDR
Results show that M. monachus probes generated by flow cytometry provide novel cytogenetic tools for the detection of avian chromosome rearrangements, since this species presents breakpoints that have not been described in other species.
Chromosomal Mapping of Repetitive DNAs in Myiopsitta monachus and Amazona aestiva (Psittaciformes, Psittacidae) with Emphasis on the Sex Chromosomes
TLDR
It is suggested that the increase in length of the W chromosome in M. monachus is due to the amplification of repetitive elements, which highlights their significant role in the evolutionary process of sex chromosome differentiation.
Molecular Cytogenetic Characterization of Multiple Intrachromosomal Rearrangements in Two Representatives of the Genus Turdus (Turdidae, Passeriformes)
TLDR
Karyotype analysis in Turdus revealed that this genus has derived characteristics in relation to the putative avian ancestral karyotype, highlighting the importance of using new tools for analysis of chromosomal evolution in birds, such as the probes derived from L. albicollis, which make it possible to identify intrachromosomal rearrangements not visible with the use of GGA chromosome painting solely.
Chromosome mapping of the large elaenia (Elaenia spectabilis): evidence for a cytogenetic signature for passeriform birds?
TLDR
The characterization of the karyotype of Elaenia spectabilis (Passeriformes, Tyrannidae) by means of classical and molecular cytogenetics suggests that the centric fission in GGA1, as well as the inversions observed in segments homologous to GGA 1q, appeared in the early history of Passeriforms because they could be detected in Oscine and Suboscine species.
Intrachromosomal rearrangements in two representatives of the genus Saltator (Thraupidae, Passeriformes) and the occurrence of heteromorphic Z chromosomes
TLDR
This study aims to analyze two species of genus Saltator, the golden-billed saltator and the green-winged saltator, by means of classical cytogenetics and cross-species chromosome painting and shows that the karyotypes of these species are similar to other species of Passeriformes.
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