Comparative genomics reveals insights into avian genome evolution and adaptation.
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Birds are the most species-rich class of tetrapod vertebrates and have wide relevance across many research fields. We explored bird macroevolution using full genomes from 48 avian species representing all major extant clades. The avian genome is principally characterized by its constrained size, which predominantly arose because of lineage-specific erosion of repetitive elements, large segmental deletions, and gene loss. Avian genomes furthermore show a remarkably high degree of evolutionary stasis at the levels of nucleotide sequence, gene synteny, and chromosomal structure. Despite this pattern of conservation, we detected many non-neutral evolutionary changes in protein-coding genes and noncoding regions. These analyses reveal that pan-avian genomic diversity covaries with adaptations to different lifestyles and convergent evolution of traits.
Molecular Sequence Annotation
Sequence Analysis, DNA
Published Version (Please cite this version)10.1126/science.1251385
Publication InfoAlfaro-Núñez, A; Alström, P; An, N; Antunes, A; Avian Genome Consortium; Bertelsen, MF; ... Zhou, Q (2014). Comparative genomics reveals insights into avian genome evolution and adaptation. Science, 346(6215). pp. 1311-1320. 10.1126/science.1251385. Retrieved from https://hdl.handle.net/10161/11151.
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Adjunct Professor in the Dept. of Neurobiology
Dr. Jarvis' laboratory studies the neurobiology of vocal communication. Emphasis is placed on the molecular pathways involved in the perception and production of learned vocalizations. They use an integrative approach that combines behavioral, anatomical, electrophysiological and molecular biological techniques. The main animal model used is songbirds, one of the few vertebrate groups that evolved the ability to learn vocalizations. The generality of the discoveries is tested in other vocal
Associate Professor of Medicine
Dr. Lori A. Orlando, MD MHS is an Associate Professor of Medicine and Director of the Precision Medicine Program in the Center for Applied Genomics and Precision Medicine at Duke University. She attended Tulane Medical Center for both medical school (1994-1998) and Internal Medicine residency (1998-2000). There she finished AOA and received a number of awards for teaching and clinical care from the medical school and the residency programs, including the Musser-Burch-Puschett award in 2000 fo
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Unknown author (2011-08-18)Mark Guyer and Jane Peterson, in-person interview with Kathryn Maxson and Robert Cook-Deegan, conducted in Rockville, MD (NIH campus), 18 August 2011. Mark Guyer and Jane Peterson were grants program officers at the NIH ...
Wolf, Paul G; Sessa, Emily B; Marchant, Daniel Blaine; Li, Fay-Wei; Rothfels, Carl J; Sigel, Erin M; Gitzendanner, Matthew A; ... (13 authors) (Genome Biol Evol, 2015-08-26)Ferns are one of the few remaining major clades of land plants for which a complete genome sequence is lacking. Knowledge of genome space in ferns will enable broad-scale comparative analyses of land plant genes and genomes, ...
Lindblad-Toh, Kerstin; Garber, Manuel; Zuk, Or; Lin, Michael F; Parker, Brian J; Washietl, Stefan; Kheradpour, Pouya; ... (89 authors) (Nature, 2011-10-12)The comparison of related genomes has emerged as a powerful lens for genome interpretation. Here we report the sequencing and comparative analysis of 29 eutherian genomes. We confirm that at least 5.5% of the human genome ...