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Insights into Land Plant Evolution Garnered from the Marchantia polymorpha Genome

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Bowman John L., Kohchi Takayuki, Yamato Katsuyuki T., Jenkins Jerry, Shu Shengqiang, Ishizaki Kimitsune, Yamaoka Shohei, Nishihama Ryuichi, Nakamura Yasukazu, Berger Frédéric, Adam Catherine, Aki Shiori Sugamata, Althoff Felix, Araki Takashi, Arteaga-Vazquez Mario A., Balasubrmanian Sureshkumar, Barry Kerrie, Bauer Diane, Boehm Christian R., Briginshaw Liam, Caballero-Perez Juan, Catarino Bruno, Chen Feng, Chiyoda Shota, et al. ,
Project The Genetic and Molecular Basis of Gametogenesis and Maternal Effects in Arabidopsis
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Original article (peer-reviewed)

Journal Cell
Volume (Issue) 171(2)
Page(s) 287 - 304.e15
Title of proceedings Cell
DOI 10.1016/j.cell.2017.09.030

Open Access

Type of Open Access Publisher (Gold Open Access)


The evolution of land flora transformed the terrestrial environment. Land plants evolved from an ancestral charophycean alga from which they inherited developmental, biochemical, and cell biological attributes. Additional biochemical and physiological adaptations to land, and a life cycle with an alternation between multicellular haploid and diploid generations that facilitated efficient dispersal of desiccation tolerant spores, evolved in the ancestral land plant. We analyzed the genome of the liverwort Marchantia polymorpha, a member of a basal land plant lineage. Relative to charophycean algae, land plant genomes are characterized by genes encoding novel biochemical pathways, new phytohormone signaling pathways (notably auxin), expanded repertoires of signaling pathways, and increased diversity in some transcription factor families. Compared with other sequenced land plants, M. polymorpha exhibits low genetic redundancy in most regulatory pathways, with this portion of its genome resembling that predicted for the ancestral land plant.