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Diversificación ForestalForest diversification
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Inventario y Monitoreo de Ecosistemas ForestalesForest Ecosystem Inventory
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Corresponds to the general collection of the INFOR´s Library with bibliographic material from different publishers and institutions.

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It contains the research carried out by INFOR on various sectorial topics.

Ciencia e Investigación Forestal Journal

It contains the articles published in the institutional scientific journal since 1987.

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Asterid phylogenomics/phylotranscriptomics uncover morphological evolutionary histories and support phylogenetic placement for numerous whole-genome duplications

Artículo de revista
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Editorial
Oxford
Date
2020
Cómo citar
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Abstract
Asterids are one of the most successful angiosperm lineages, exhibiting extensive morphological diversity and including a number of important crops. Despite their biological prominence and value to humans, the deep asterid phylogeny has not been fully resolved, and the evolutionary landscape underlying their radiation remains unknown. To resolve the asterid phylogeny, we sequenced 213 transcriptomes/genomes and combined them with other data sets, representing all accepted orders and nearly all families of asterids. We show fully supported monophyly of asterids, Berberidopsidales as sister to asterids, monophyly of all orders except Icacinales, Aquifoliales, and Bruniales, and monophyly of all families except Icacinaceae and Ehretiaceae. Novel taxon placements benefited from the expanded sampling with living collections from botanical gardens, resolving hitherto uncertain relationships. The remaining ambiguous placements here are likely due to limited sampling and could be addressed in the future with relevant additional taxa. Using our well-resolved phylogeny as reference, divergence time estimates support an Aptian (Early Cretaceous) origin of asterids and the origin of all orders before the Cretaceous–Paleogene boundary. Ancestral state reconstruction at the family level suggests that the asterid ancestor was a woody terrestrial plant with simple leaves, bisexual, and actinomorphic flowers with free petals and free anthers, a superior ovary with a style, and drupaceous fruits. Whole-genome duplication (WGD) analyses provide strong evidence for 33 WGDs in asterids and one in Berberidopsidales, including four suprafamilial and seven familial/subfamilial WGDs. Our results advance the understanding of asterid phylogeny and provide numerous novel evolutionary insights into their diversification and morphological evolution.
Materias
Asterids
Phylogeny
Adaptive radiation
Morphological diversity
WGD
Polyploidy
Origen
Mol. Biol. Evol. 37(11):3188–3210
10.1093/molbev/msaa160
https://repositorio.uchile.cl/handle/2250/180813
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  • Universidad de Chile. Facultad de Ciencias Forestales

Documento no disponible en formato digital. Consultar en biblioteca INFOR: Contacto

Licencia Creative CommonsExcepto si se señala otra cosa, la licencia del ítem se describe como Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional

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DIRECCIÓN EJECUTIVA
Calle Nueva Uno N°3570 Lt. 4 Michaihue -
San Pedro de La Paz, Concepción
(56-41) 285 32 60
SEDE METROPOLITANA
Sucre 2397, Ñuñoa, Santiago
(56-2) 2366 71 20
SEDE DIAGUITAS
Juan Georgini Runi 1507, La Serena
(56-51) 236 26 00
OFICINA CHILOÉ
Pasaje Los Queltehues s/n, sector de Putemun, Castro
(56-65) 263 65 74
SEDE BIOBÍO
Calle Nueva Uno N°3570 Lt. 4 Michaihue – San Pedro de La Paz, Concepción
(56-41) 285 32 60
SEDE LOS RÍOS
Fundo Teja Norte s/n. Valdivia
(56-63) 233 52 00
SEDE PATAGONIA
Camino Coyhaique Alto Km. 4,5. Coyhaique
(56-67) 226 25 00

Volver arriba

Biblioteca digital - Instituto Forestal

MESA CENTRAL +56 2 25192800

 

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The Chilean Forestry Institute´s digital library provides information on the forestry sector in Chile and the world. This library has over than 21.000 titles compiled from the decade of the 60 onwards. Numerous studies are part of this large bibliographic collection, being part of the INFOR and the Chilean forestry sector historical heritage.

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