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The Cardamine hirsuta genome offers insight into the evolution of morphological diversity.
Nat. Plants 2:16167 (2016)
Finding causal relationships between genotypic and phenotypic variation is a key focus of evolutionary biology, human genetics and plant breeding. To identify genome-wide patterns underlying trait diversity, we assembled a high-quality reference genome of Cardamine hirsuta, a close relative of the model plant Arabidopsis thaliana. We combined comparative genome and transcriptome analyses with the experimental tools available in C. hirsuta to investigate gene function and phenotypic diversification. Our findings highlight the prevalent role of transcription factors and tandem gene duplications in morphological evolution. We identified a specific role for the transcriptional regulators PLETHORA5/7 in shaping leaf diversity and link tandem gene duplication with differential gene expression in the explosive seed pod of C. hirsuta. Our work highlights the value of comparative approaches in genetically tractable species to understand the genetic basis for evolutionary change.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Stem-cell Niche; Arabidopsis-thaliana; Brassicaceae; Origin; Tandem
ISSN (print) / ISBN 2055-026X
Journal Nature Plants
Quellenangaben Volume: 2, Issue: 10, Article Number: 16167
Publisher Nature Publishing Group
Publishing Place London
Reviewing status Peer reviewed