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Institución detectada	Período	Navegá	Descargá	Solicitá
No detectada	desde mar. 1997 / hasta dic. 2023	Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

1880-

Cobertura temática

Ciencias naturales

Tabla de contenidos

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doi: 10.1126/science.1250092

Ancient hybridizations among the ancestral genomes of bread wheat

Thomas Marcussen; Simen R. Sandve; Lise Heier; Manuel Spannagl; Matthias Pfeifer; Kjetill S. Jakobsen; Brande B. H. Wulff; Burkhard Steuernagel; Klaus F. X. Mayer; Odd-Arne Olsen; Jane Rogers; Jaroslav Doležel; Curtis Pozniak; Kellye Eversole; Catherine Feuillet; Bikram Gill; Bernd Friebe; Adam J. Lukaszewski; Pierre Sourdille; Takashi R. Endo; Marie Kubaláková; Jarmila Číhalíková; Zdeňka Dubská; Jan Vrána; Romana Šperková; Hana Šimková; Melanie Febrer; Leah Clissold; Kirsten McLay; Kuldeep Singh; Parveen Chhuneja; Nagendra K. Singh; Jitendra Khurana; Eduard Akhunov; Frédéric Choulet; Adriana Alberti; Valérie Barbe; Patrick Wincker; Hiroyuki Kanamori; Fuminori Kobayashi; Takeshi Itoh; Takashi Matsumoto; Hiroaki Sakai; Tsuyoshi Tanaka; Jianzhong Wu; Yasunari Ogihara; Hirokazu Handa; P. Ron Maclachlan; Andrew Sharpe; Darrin Klassen; David Edwards; Jacqueline Batley; Sigbjørn Lien; Mario Caccamo; Sarah Ayling; Ricardo H. Ramirez-Gonzalez; Bernardo J. Clavijo; Jonathan Wright; Mihaela M. Martis; Martin Mascher; Jarrod Chapman; Jesse A. Poland; Uwe Scholz; Kerrie Barry; Robbie Waugh; Daniel S. Rokhsar; Gary J. Muehlbauer; Nils Stein; Heidrun Gundlach; Matthias Zytnicki; Véronique Jamilloux; Hadi Quesneville; Thomas Wicker; Primetta Faccioli; Moreno Colaiacovo; Antonio Michele Stanca; Hikmet Budak; Luigi Cattivelli; Natasha Glover; Lise Pingault; Etienne Paux; Sapna Sharma; Rudi Appels; Matthew Bellgard; Brett Chapman; Thomas Nussbaumer; Kai Christian Bader; Hélène Rimbert; Shichen Wang; Ron Knox; Andrzej Kilian; Michael Alaux; Françoise Alfama; Loïc Couderc; Nicolas Guilhot; Claire Viseux; Mikaël Loaec; Beat Keller; Sebastien Praud;

<jats:p>The allohexaploid bread wheat genome consists of three closely related subgenomes (A, B, and D), but a clear understanding of their phylogenetic history has been lacking. We used genome assemblies of bread wheat and five diploid relatives to analyze genome-wide samples of gene trees, as well as to estimate evolutionary relatedness and divergence times. We show that the A and B genomes diverged from a common ancestor ~7 million years ago and that these genomes gave rise to the D genome through homoploid hybrid speciation 1 to 2 million years later. Our findings imply that the present-day bread wheat genome is a product of multiple rounds of hybrid speciation (homoploid and polyploid) and lay the foundation for a new framework for understanding the wheat genome as a multilevel phylogenetic mosaic.</jats:p>

Palabras clave: Multidisciplinary.

Pp. No disponible

doi: 10.1126/science.345.6194.280-i

Turning cells into garbage collectors

J. F. Foley

Palabras clave: Multidisciplinary.

Pp. i-280

doi: 10.1126/science.1258492

Science advocacy, defined

Joanne Padrón Carney

<jats:p>When one thinks of advocacy, the firstâ€”usually cynicalâ€”idea that comes to mind is generously compensated lobbyists walking the halls of legislature and advocating on behalf of their clients over expensive dinners. While this image may make for great television drama, it is an incomplete picture, especially as regards science advocacy.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 243-243

doi: 10.1126/science.345.6194.244