Orchid phylogenomics and multiple drivers of their extraordinary diversification
Artículo de publicación ISI
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| Format: | Artículo de revista biblioteca |
| Language: | English |
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Royal Soc.
2015
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| Subjects: | Andes, BAMM, BiSSE, New Guinea Highlands, Pleurothallidinae, speciation, |
| Online Access: | https://repositorio.uchile.cl/handle/2250/138216 |
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dig-uchile-cl-2250-1382162023-01-17T21:02:21Z Orchid phylogenomics and multiple drivers of their extraordinary diversification Givnish, Thomas J. Spalink, Daniel Ames, Mercedes Lyon, Stephanie P. Hunter, Steven J. Zuluaga, Alejandro Iles, William J. D. Clements, Mark A. Arroyo, Mary T. K. Leebens Mack, James Endara, Lorena Kriebel, Ricardo Neubig, Kurt M. Whitten, W. Mark Williams, Norris H. Cameron, Kenneth M. Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation Artículo de publicación ISI Orchids are the most diverse family of angiosperms, with over 25 000 species, more than mammals, birds and reptiles combined. Tests of hypotheses to account for such diversity have been stymied by the lack of a fully resolved broad-scale phylogeny. Here, we provide such a phylogeny, based on 75 chloroplast genes for 39 species representing all orchid subfamilies and 16 of 17 tribes, time-calibrated against 17 angiosperm fossils. A supermatrix analysis places an additional 144 species based on three plastid genes. Orchids appear to have arisen roughly 112 million years ago (Mya); the subfamilies Orchidoideae and Epidendroideae diverged from each other at the end of the Cretaceous; and the eight tribes and three previously unplaced subtribes of the upper epidendroids diverged rapidly from each other between 37.9 and 30.8 Mya. Orchids appear to have undergone one significant acceleration of net species diversification in the orchidoids, and two accelerations and one deceleration in the upper epidendroids. Consistent with theory, such accelerations were correlated with the evolution of pollinia, the epiphytic habit, CAM photosynthesis, tropical distribution (especially in extensive cordilleras), and pollination via Lepidoptera or euglossine bees. Deceit pollination appears to have elevated the number of orchid species by one-half but not via acceleration of the rate of net diversification. The highest rate of net species diversification within the orchids (0.382 sp sp 1 My-1) is 6.8 times that at the Asparagales crown. NSF Assembling the Tree of Life (AToL) Program DEB-0830836 ICM P02-005 2016-05-09T19:54:27Z 2016-05-09T19:54:27Z 2015 Artículo de revista Proceeding of the Royal Society B-Biological Sciences Volumen: 282 Número: 1814 Páginas: 171-180 (2015) DOI: 10.1098/rspb.2015.1553 https://repositorio.uchile.cl/handle/2250/138216 en Atribución-NoComercial-SinDerivadas 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ application/pdf Royal Soc. |
| institution |
UCHILE CL |
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| country |
Chile |
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CL |
| component |
Bibliográfico |
| access |
En linea |
| databasecode |
dig-uchile-cl |
| tag |
biblioteca |
| region |
America del Sur |
| libraryname |
Dirección de Servicios de Información y Bibliotecas de la UCHILE |
| language |
English |
| topic |
Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation |
| spellingShingle |
Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation Givnish, Thomas J. Spalink, Daniel Ames, Mercedes Lyon, Stephanie P. Hunter, Steven J. Zuluaga, Alejandro Iles, William J. D. Clements, Mark A. Arroyo, Mary T. K. Leebens Mack, James Endara, Lorena Kriebel, Ricardo Neubig, Kurt M. Whitten, W. Mark Williams, Norris H. Cameron, Kenneth M. Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| description |
Artículo de publicación ISI |
| format |
Artículo de revista |
| topic_facet |
Andes BAMM BiSSE New Guinea Highlands Pleurothallidinae speciation |
| author |
Givnish, Thomas J. Spalink, Daniel Ames, Mercedes Lyon, Stephanie P. Hunter, Steven J. Zuluaga, Alejandro Iles, William J. D. Clements, Mark A. Arroyo, Mary T. K. Leebens Mack, James Endara, Lorena Kriebel, Ricardo Neubig, Kurt M. Whitten, W. Mark Williams, Norris H. Cameron, Kenneth M. |
| author_facet |
Givnish, Thomas J. Spalink, Daniel Ames, Mercedes Lyon, Stephanie P. Hunter, Steven J. Zuluaga, Alejandro Iles, William J. D. Clements, Mark A. Arroyo, Mary T. K. Leebens Mack, James Endara, Lorena Kriebel, Ricardo Neubig, Kurt M. Whitten, W. Mark Williams, Norris H. Cameron, Kenneth M. |
| author_sort |
Givnish, Thomas J. |
| title |
Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| title_short |
Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| title_full |
Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| title_fullStr |
Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| title_full_unstemmed |
Orchid phylogenomics and multiple drivers of their extraordinary diversification |
| title_sort |
orchid phylogenomics and multiple drivers of their extraordinary diversification |
| publisher |
Royal Soc. |
| publishDate |
2015 |
| url |
https://repositorio.uchile.cl/handle/2250/138216 |
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