Comparative chromosome painting of chicken autosomal paints 1-9 in nine different bird species

Guttenbach, M. and Nanda, I. and Feichtinger, W. and Masabanda, Julio S. and Griffin, Darren K. and Schmid, Michael (2003) Comparative chromosome painting of chicken autosomal paints 1-9 in nine different bird species. Cytogenetic and Genome Research, 103 (1-2). pp. 173-184. ISSN 1424-8581. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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In a Zoo-FISH study chicken autosomal chromosome paints 1 to 9 (GGA1-GGA9) were hybridized to metaphase spreads of nine diverse birds belonging to primitive and modern orders. This comparative approach allows tracing of chromosomal rearrangements that occurred during bird evolution. Striking homologies in the chromosomes of the different species were noted, indicating a high degree of evolutionary conservation in avian karyotypes. In two species, the quail and the goose, all chicken paints specifically labeled their corresponding chromosomes. In three pheasant species as well as in the American rhea and blackbird, GGA4 hybridized to chromosome 4 and additionally to a single pair of microchromosomes. Furthermore, in the pheasants fission of the ancestral galliform chromosome 2 could be documented. Hybridization of various chicken probes to two different chromosomes or to only the short or long chromosome arm of one chromosome pair in the species representing the orders Passeriformes, Strigiformes, and Columbiformes revealed translocations and chromosome fissions during species radiation. Thus comparative analysis with chicken chromosome-specific painting probes proves to be a rapid and comprehensive approach to elucidate the chromosomal relationships of the extant birds.

Item Type: Article
Additional information: 15004483 1424-859X
Uncontrolled keywords: Animals Birds Chickens Chromosome Painting Chromosomes Evolution, Molecular Karyotyping Metaphase Recombination, Genetic Synteny
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Biosciences
Depositing User: Darren Griffin
Date Deposited: 10 Sep 2008 10:26
Last Modified: 14 Jul 2014 12:41
Resource URI: (The current URI for this page, for reference purposes)
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