The amphioxus genome and the evolution of the chordate karyotype [electronic resource].

Published: Berkeley, Calif. : Lawrence Berkeley National Laboratory, 2008.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description: 28 : digital, PDF file
Additional Creators: Lawrence Berkeley National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information

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Summary

Lancelets ('amphioxus') are the modern survivors of an ancient chordate lineage with a fossil record dating back to the Cambrian. We describe the structure and gene content of the highly polymorphic ≈520 million base pair genome of the Florida lancelet Branchiostoma floridae, and analyze it in the context of chordate evolution. Whole genome comparisons illuminate the murky relationships among the three chordate groups (tunicates, lancelets, and vertebrates), and allow reconstruction of not only the gene complement of the last common chordate ancestor, but also a partial reconstruction of its genomic organization, as well as a description of two genome-wide duplications and subsequent reorganizations in the vertebrate lineage. These genome-scale events shaped the vertebrate genome and provided additional genetic variation for exploitation during vertebrate evolution.

Report Numbers

E 1.99:lbnl-284e
lbnl-284e

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Note

Published through SciTech Connect.
04/01/2008.
"lbnl-284e"
Nature FT
Jurka, Jerzy; Pennacchio, Len A.; Lucas, Susan; Osoegawa, Kazutoyo; de Jong, Pieter J.; Dubchak, Inna; Terry, Astrid; Hellsten, Uffe; Salamov, Asaf A.; Grigoriev, Igor V.; Satou, Yutaka; Putnam, Nicholas H.; Kapitonov, Vladimir; Kawashima, Takeshi; Kohara, Yuji; Lindquist, Erika; Butts, Thomas; Ferrier, David E.K.; Furlong, Rebecca F.; Robinson-Rechavi, Marc; Shoguchi, Eiichi; Yu, Jr-Kai; Benito-Gutierrez, Elia; Garcia-Fernandez, Jordi; Gibson-Brown, Jeremy J.; Horton, Amy C.; Kuroki, Yoko; Sauka-Spengler, Tatjana; Schmutz.
Genomics Division

Funding Information

DE-AC02-05CH11231

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