New insights into the wheat chromosome 4D structure and virtual gene order, revealed by survey pyrosequencing

Copyright © 2014 The Authors. Published by Elsevier Ireland Ltd.. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 233(2015) vom: 07. Apr., Seite 200-212
1. Verfasser: Helguera, Marcelo (VerfasserIn)
Weitere Verfasser: Rivarola, Máximo, Clavijo, Bernardo, Martis, Mihaela M, Vanzetti, Leonardo S, González, Sergio, Garbus, Ingrid, Leroy, Phillippe, Šimková, Hana, Valárik, Miroslav, Caccamo, Mario, Doležel, Jaroslav, Mayer, Klaus F X, Feuillet, Catherine, Tranquilli, Gabriela, Paniego, Norma, Echenique, Viviana
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Chromosome 4D survey sequence Gene annotation Gene content Synteny Triticum aestivum Virtual gene order
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245 1 0 |a New insights into the wheat chromosome 4D structure and virtual gene order, revealed by survey pyrosequencing 
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520 |a Survey sequencing of the bread wheat (Triticum aestivum L.) genome (AABBDD) has been approached through different strategies delivering important information. However, the current wheat sequence knowledge is not complete. The aim of our study is to provide different and complementary set of data for chromosome 4D. A survey sequence was obtained by pyrosequencing of flow-sorted 4DS (7.2×) and 4DL (4.1×) arms. Single ends (SE) and long mate pairs (LMP) reads were assembled into contigs (223Mb) and scaffolds (65Mb) that were aligned to Aegilops tauschii draft genome (DD), anchoring 34Mb to chromosome 4. Scaffolds annotation rendered 822 gene models. A virtual gene order comprising 1973 wheat orthologous gene loci and 381 wheat gene models was built. This order was largely consistent with the scaffold order determined based on a published high density map from the Ae. tauschii chromosome 4, using bin-mapped 4D ESTs as a common reference. The virtual order showed a higher collinearity with homeologous 4B compared to 4A. Additionally, a virtual map was constructed and ∼5700 genes (∼2200 on 4DS and ∼3500 on 4DL) predicted. The sequence and virtual order obtained here using the 454 platform were compared with the Illumina one used by the IWGSC, giving complementary information 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Chromosome 4D survey sequence 
650 4 |a Gene annotation 
650 4 |a Gene content 
650 4 |a Synteny 
650 4 |a Triticum aestivum 
650 4 |a Virtual gene order 
700 1 |a Rivarola, Máximo  |e verfasserin  |4 aut 
700 1 |a Clavijo, Bernardo  |e verfasserin  |4 aut 
700 1 |a Martis, Mihaela M  |e verfasserin  |4 aut 
700 1 |a Vanzetti, Leonardo S  |e verfasserin  |4 aut 
700 1 |a González, Sergio  |e verfasserin  |4 aut 
700 1 |a Garbus, Ingrid  |e verfasserin  |4 aut 
700 1 |a Leroy, Phillippe  |e verfasserin  |4 aut 
700 1 |a Šimková, Hana  |e verfasserin  |4 aut 
700 1 |a Valárik, Miroslav  |e verfasserin  |4 aut 
700 1 |a Caccamo, Mario  |e verfasserin  |4 aut 
700 1 |a Doležel, Jaroslav  |e verfasserin  |4 aut 
700 1 |a Mayer, Klaus F X  |e verfasserin  |4 aut 
700 1 |a Feuillet, Catherine  |e verfasserin  |4 aut 
700 1 |a Tranquilli, Gabriela  |e verfasserin  |4 aut 
700 1 |a Paniego, Norma  |e verfasserin  |4 aut 
700 1 |a Echenique, Viviana  |e verfasserin  |4 aut 
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