Enhancing faba bean (Vicia faba L.) genome resources

© The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 68(2017), 8 vom: 01. Apr., Seite 1941-1953
1. Verfasser: Cooper, James W (VerfasserIn)
Weitere Verfasser: Wilson, Michael H, Derks, Martijn F L, Smit, Sandra, Kunert, Karl J, Cullis, Christopher, Foyer, Christine H
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Illumina sequencing RNA-seq analysis. legumes mitochondrial genome plastome protein security
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520 |a Grain legume improvement is currently impeded by a lack of genomic resources. The paucity of genome information for faba bean can be attributed to the intrinsic difficulties of assembling/annotating its giant (~13 Gb) genome. In order to address this challenge, RNA-sequencing analysis was performed on faba bean (cv. Wizard) leaves. Read alignment to the faba bean reference transcriptome identified 16 300 high quality unigenes. In addition, Illumina paired-end sequencing was used to establish a baseline for genomic information assembly. Genomic reads were assembled de novo into contigs with a size range of 50-5000 bp. Over 85% of sequences did not align to known genes, of which ~10% could be aligned to known repetitive genetic elements. Over 26 000 of the reference transcriptome unigenes could be aligned to DNA-sequencing (DNA-seq) reads with high confidence. Moreover, this comparison identified 56 668 potential splice points in all identified unigenes. Sequence length data were extended at 461 putative loci through alignment of DNA-seq contigs to full-length, publicly available linkage marker sequences. Reads also yielded coverages of 3466× and 650× for the chloroplast and mitochondrial genomes, respectively. Inter- and intraspecies organelle genome comparisons established core legume organelle gene sets, and revealed polymorphic regions of faba bean organelle genomes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Illumina sequencing 
650 4 |a RNA-seq analysis. 
650 4 |a legumes 
650 4 |a mitochondrial genome 
650 4 |a plastome 
650 4 |a protein security 
700 1 |a Wilson, Michael H  |e verfasserin  |4 aut 
700 1 |a Derks, Martijn F L  |e verfasserin  |4 aut 
700 1 |a Smit, Sandra  |e verfasserin  |4 aut 
700 1 |a Kunert, Karl J  |e verfasserin  |4 aut 
700 1 |a Cullis, Christopher  |e verfasserin  |4 aut 
700 1 |a Foyer, Christine H  |e verfasserin  |4 aut 
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