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Sequence and comparative analysis of the chicken genome provide unique perspectives on vertebrate evolution.
Nature 432, 695-716 (2004)
We present here a draft genome sequence of the red jungle fowl, Gallus gallus. Because the chicken is a modern descendant of the dinosaurs and the first non-mammalian amniote to have its genome sequenced, the draft sequence of its genome-composed of approximately one billion base pairs of sequence and an estimated 20,000-23,000 genes-provides a new perspective on vertebrate genome evolution, while also improving the annotation of mammalian genomes. For example, the evolutionary distance between chicken and human provides high specificity in detecting functional elements, both non-coding and coding. Notably, many conserved non-coding sequences are far from genes and cannot be assigned to defined functional classes. In coding regions the evolutionary dynamics of protein domains and orthologous groups illustrate processes that distinguish the lineages leading to birds and mammals. The distinctive properties of avian microchromosomes, together with the inferred patterns of conserved synteny, provide additional insights into vertebrate chromosome architecture.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
ISSN (print) / ISBN
0028-0836
e-ISSN
1476-4687
Zeitschrift
Nature
Quellenangaben
Band: 432,
Seiten: 695-716
Verlag
Nature Publishing Group
Verlagsort
London
Begutachtungsstatus
Peer reviewed
Institut(e)
Translational Metabolic Oncology (IDC-TMO)