Multiple Intrachromosomal Rearrangements in Turdus (Turdidae, Passeriformes) by FISH

What is it about?

Tw species of Turdus (Aves, Passeriformes) were studied by classical and molecular cytogenetics. The hybridization pattern of GGA macrochromosomes showed fissions of GGA 1 and GGA 4 chromosomes. LAL chromosome paintings revealed a complex pattern of intrachromosomal rearrangements (paracentric and pericentric inversions) on chromosome 2, which corresponds to GGA1q. Karyotype analysis in Turdus revealed that this genus has derived characteristics in relation to the putative avian ancestral karyotype,

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Why is it important?

This paper 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.