Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 442256
Title The Tarenaya hassleriana Genome Provides Insight into Reproductive Trait and Genome Evolution of Crucifers
Author(s) Cheng, S.; Bergh, E. van den; Zeng, P.; Zong, X.; Hofberger, J.; Bruijn, S.A. de; Bhide, A.S.; Kuelahoglu, C.; Bian, C.; Chen, J.; Fan, G.; Kaufmann, K.; Hall, J.C.; Becker, A.; Brautigam, A.; Weber, A.P.M.; Shi, C.; Zheng, Z.; Li, W.; Lv, M.; Tao, Y.; Wang, M.; Zou, H.; Quan, Z.; Hibberd, J.M.; Zhang, G.; Zhu, X.; Schranz, M.E.
Source The Plant Cell 25 (2013)8. - ISSN 1040-4651 - p. 2813 - 2830.
Department(s) EPS
Laboratory of Molecular Biology
PRI BIOS Plant Development Systems
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) real-time pcr - mads-box genes - arabidopsis-thaliana - self-incompatibility - corolla monosymmetry - expression patterns - protein-kinases - model-plant - rna-seq - sequence
Abstract The Brassicaceae, including Arabidopsis thaliana and Brassica crops, is unmatched among plants in its wealth of genomic and functional molecular data and has long served as a model for understanding gene, genome, and trait evolution. However, genome information from a phylogenetic outgroup that is essential for inferring directionality of evolutionary change has been lacking. We therefore sequenced the genome of the spider flower (Tarenaya hassleriana) from the Brassicaceae sister family, the Cleomaceae. By comparative analysis of the two lineages, we show that genome evolution following ancient polyploidy and gene duplication events affect reproductively important traits. We found an ancient genome triplication in Tarenaya (Th-a) that is independent of the Brassicaceae-specific duplication (At-a) and nested Brassica (Br-a) triplication. To showcase the potential of sister lineage genome analysis, we investigated the state of floral developmental genes and show Brassica retains twice as many floral MADS (for MINICHROMOSOME MAINTENANCE1, AGAMOUS, DEFICIENS and SERUM RESPONSE FACTOR) genes as Tarenaya that likely contribute to morphological diversity in Brassica. We also performed synteny analysis of gene families that confer self-incompatibility in Brassicaceae and found that the critical SERINE RECEPTOR KINASE receptor gene is derived from a lineage-specific tandem duplication. The T. hassleriana genome will facilitate future research toward elucidating the evolutionary history of Brassicaceae genomes.
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