The African coelacanth genome provides insights into tetrapod evolution

Chris T. Amemiya, Jessica Alfoldi, Alison P. Lee, Shaohua Fan, Hervé Philippe, Iain MacCallum, Ingo Braasch, Tereza Manousaki, Igor Schneider, Nicolas Rohner, Chris Organ, Domitille Chalopin, Jeramiah J. Smith, Mark Robinson, Rosemary A. Dorrington, Marco Gerdol, Bronwen Aken, Maria Assunta Biscotti, Marco Barucca, Denis BaurainAaron M. Berlin, Gregory L. Blatch, Francesco Buonocore, Thorsten Burmester, Michael S. Campbell, Adriana Canapa, John P. Cannon, Alan Christoffels, Gianluca De Moro, Adrienne L. Edkins, Lin Fan, Anna Maria Fausto, Nathalie Feiner, Mariko Forconi, Junaid Gamieldien, Sante Gnerre, Andreas Gnirke, Jared V. Goldstone, Wilfried Haerty, Mark E. Hahn, Uljana Hesse, Steve Hoffmann, Jeremy Johnson, Sibel I. Karchner, Shigehiro Kuraku, Marcia Lara, Joshua Z. Levin, Gary W. Litman, Evan Mauceli, Tsutomu Miyake, M. Gail Mueller, David R. Nelson, Anne Nitsche, Ettore Olmo, Tatsuya Ota, Alberto Pallavicini, Sumir Panji, Barbara Picone, Chris P. Ponting, Sonja J. Prohaska, Dariusz Przybylski, Nil Ratan Saha, Vydianathan Ravi, Filipe J. Ribeiro, Tatjana Sauka-Spengler, Giuseppe Scapigliati, Stephen M.J. Searle, Ted Sharpe, Oleg Simakov, Peter F. Stadler, John J. Stegeman, Kenta Sumiyama, Diana Tabbaa, Hakim Tafer, Jason Turner-Maier, Peter Van Heusden, Simon White, Louise Williams, Mark Yandell, Henner Brinkmann, Jean Nicolas Volff, Clifford J. Tabin, Neil Shubin, Manfred Schartl, David B. Jaffe, John H. Postlethwait, Byrappa Venkatesh, Federica Di Palma, Eric S. Lander, Axel Meyer, Kerstin Lindblad-Toh

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Abstract

The discovery of a living coelacanth specimen in 1938 was remarkable, as this lineage of lobe-finned fish was thought to have become extinct 70 million years ago. The modern coelacanth looks remarkably similar to many of its ancient relatives, and its evolutionary proximity to our own fish ancestors provides a glimpse of the fish that first walked on land. Here we report the genome sequence of the African coelacanth, Latimeria chalumnae. Through a phylogenomic analysis, we conclude that the lungfish, and not the coelacanth, is the closest living relative of tetrapods. Coelacanth protein-coding genes are significantly more slowly evolving than those of tetrapods, unlike other genomic features. Analyses of changes in genes and regulatory elements during the vertebrate adaptation to land highlight genes involved in immunity, nitrogen excretion and the development of fins, tail, ear, eye, brain and olfaction. Functional assays of enhancers involved in the fin-to-limb transition and in the emergence of extra-embryonic tissues show the importance of the coelacanth genome as a blueprint for understanding tetrapod evolution.

Original languageEnglish
Pages (from-to)311-316
Number of pages6
JournalNature
Volume496
Issue number7445
DOIs
StatePublished - Apr 18 2013

Bibliographical note

Funding Information:
Acknowledgements Acquisition and storage of Latimeria chalumnae samples was supported by grants from the African Coelacanth Ecosystem Programme of the South African National Department of Science and Technology. Generation of the Latimeria chalumnae and Protopterus annectens sequences by the Broad Institute of the Massachusetts Institute of Technology (MIT) and Harvard University was supported by grants from the National Human Genome Research Institute (NHGRI). K.L.T. is the recipient of a EURYI award from the European Science Foundation. We would also like to thank the Genomics Sequencing Platform of the Broad Institute for sequencing the L. chalumnae genome and L. chalumnae and P. annectens transcriptomes, S. Ahamada, R. Stobbs and the Association pour le Protection de Gombesa (APG) for their help in obtaining coelacanth samples, Y. Zhao for the use of data from Rana chensinensis, and L. Gaffney, C. Hamilton and J. Westlund for assistance with figure preparation.

Funding

Acknowledgements Acquisition and storage of Latimeria chalumnae samples was supported by grants from the African Coelacanth Ecosystem Programme of the South African National Department of Science and Technology. Generation of the Latimeria chalumnae and Protopterus annectens sequences by the Broad Institute of the Massachusetts Institute of Technology (MIT) and Harvard University was supported by grants from the National Human Genome Research Institute (NHGRI). K.L.T. is the recipient of a EURYI award from the European Science Foundation. We would also like to thank the Genomics Sequencing Platform of the Broad Institute for sequencing the L. chalumnae genome and L. chalumnae and P. annectens transcriptomes, S. Ahamada, R. Stobbs and the Association pour le Protection de Gombesa (APG) for their help in obtaining coelacanth samples, Y. Zhao for the use of data from Rana chensinensis, and L. Gaffney, C. Hamilton and J. Westlund for assistance with figure preparation.

FundersFunder number
EUROPEAN SCIENCE FOUNDATION
Eunice Kennedy Shriver National Institute of Child Health and Human Development
Harvard Transdisciplinary Research in Energetics and Cancer Center, Harvard University
Broad Institute of the Massachusetts Institute of Technology
Science and Technology Department of Ningxia
Massachusetts Institute of Technology
Medical Research Council-São Paulo Research FoundationMC_U137761446
Medical Research Council-São Paulo Research Foundation
Japan Society for the Promotion of Science Fund for the Promotion of Joint International Research23370101
Japan Society for the Promotion of Science Fund for the Promotion of Joint International Research
Biotechnology and Biological Sciences Research CouncilBBS/E/T/000PR6193, BBS/E/T/000PR5885
Biotechnology and Biological Sciences Research Council
National Center for Research ResourcesR24RR032670
National Center for Research Resources
National Human Genome Research InstituteR01HG003474, U54HG003067
National Human Genome Research Institute
National Institutes of Health/National Institute of Environmental Health SciencesR01ES006272, P42ES007381
National Institutes of Health/National Institute of Environmental Health Sciences
NIH National Institute of Child Health and Human Development National Center for Medical Rehabilitation ResearchR37HD032443
NIH National Institute of Child Health and Human Development National Center for Medical Rehabilitation Research
NIH Office of the DirectorR01OD011116, R24OD011199
NIH Office of the Director

    ASJC Scopus subject areas

    • General

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