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Ramirez-Gonzalez, R.H.* ; Borrill, P* ; Lang, D. ; Harrington, S.A.* ; Brinton, J.* ; Venturini, L.* ; Davey, M.W.* ; Jacobs, J.* ; van Ex, F.* ; Pasha, A.* ; Khedikar, Y.* ; Robinson, S.J.* ; Cory, A.T.* ; Florio, T.* ; Concia, L.* ; Juery, C.* ; Schoonbeek, H.* ; Steuernagel, B.* ; Xiang, D.* ; Ridout, C.J.* ; Chalhoub, B.* ; Mayer, K.F.X. ; Benhamed, M.* ; Latrasse, D.* ; Bendahmane, A.* ; Wulff, B.B.H.* ; Appels, R.* ; Tiwari, V.* ; Datla, R.* ; Choulet, F.* ; Pozniak, C.J.* ; Provart, N.J.* ; Sharpe, A.G.* ; Paux, E.* ; Spannagl, M. ; Braeutigam, A.* ; Uauy, C.*

The transcriptional landscape of polyploid wheat.

Science 361 (2018)
Verlagsversion Postprint Forschungsdaten DOI PMC
Open Access Green
The coordinated expression of highly related homoeologous genes in polyploid species underlies the phenotypes of many of the world's major crops. Here we combine extensive gene expression datasets to produce a comprehensive, genome-wide analysis of homoeolog expression patterns in hexaploid bread wheat. Bias in homoeolog expression varies between tissues, with similar to 30% of wheat homoeologs showing nonbalanced expression. We found expression asymmetries along wheat chromosomes, with homoeologs showing the largest inter-tissue, inter-cultivar, and coding sequence variation, most often located in high-recombination distal ends of chromosomes. These transcriptionally dynamic genes potentially represent the first steps toward neo- or subfunctionalization of wheat homoeologs. Coexpression networks reveal extensive coordination of homoeologs throughout development and, alongside a detailed expression atlas, provide a framework to target candidate genes underpinning agronomic traits in wheat.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Whole-genome Duplication; Body Dna Methylation; Gene-expression; Plants; Evolution; Arabidopsis; Domestication; Divergence; Resistance; Dominance
Sprache englisch
Veröffentlichungsjahr 2018
HGF-Berichtsjahr 2018
ISSN (print) / ISBN 0036-8075
e-ISSN 1095-9203
Zeitschrift Science
Quellenangaben Band: 361, Heft: 6403 Seiten: , Artikelnummer: , Supplement: ,
Verlag American Association for the Advancement of Science (AAAS)
Verlagsort 1200 New York Ave, Nw, Washington, Dc 20005 Usa
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Plant Genome and Systems Biology (PGSB)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-503500-002
DOI 10.1126/science.aar6089
WOS ID WOS:000442818200033
PubMed ID 30115782
Erfassungsdatum 2018-09-26
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