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Genome and transcriptome analysis of the Mesoamerican common bean and the role of gene duplications in establishing tissue and temporal specialization of genes

AuthorsVlasova, Anna; Saburido Álvarez, María Soledad ; García, José Luís; Santalla Ferradás, Marta ; Guigó, Roderic
Tissue expression
Common bean
Gene duplication
Issue Date25-Feb-2016
PublisherBioMed Central
CitationGenome Biology 17: 32 (2016)
AbstractWe report the genome and the transcription atlas of coding and non-coding genes of a Mesoamerican genotype of common bean (Phaseolus vulgaris L., BAT93). Using a comprehensive phylogenomics analysis, we assessed the past and recent evolution of common bean, and traced the diversification of patterns of gene expression following duplication. We find that successive rounds of gene duplications in legumes have shaped tissue and developmental expression, leading to increased levels of specialization in larger gene families. We also find that many long non-coding RNAs are preferentially expressed in germ-line-related tissues (pods and seeds), suggesting that they play a significant role in fruit development. Our results also suggest that most bean-specific gene family expansions, including resistance gene clusters, predate the split of the Mesoamerican and Andean gene pools.
DescriptionVlasova, Anna et. al.
Publisher version (URL)http://dx.doi.org/10.1186/s13059-016-0883-6
Identifierse-issn: 1474-760X
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