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.

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Record number 563440
Title Anthoceros genomes illuminate the origin of land plants and the unique biology of hornworts
Author(s) Li, Fay Wei; Nishiyama, Tomoaki; Waller, Manuel; Frangedakis, Eftychios; Keller, Jean; Li, Zheng; Fernandez-Pozo, Noe; Barker, Michael S.; Bennett, Tom; Blázquez, Miguel A.; Cheng, Shifeng; Cuming, Andrew C.; Vries, Jan de; Vries, Sophie de; Delaux, Pierre Marc; Diop, Issa S.; Harrison, Jill C.; Hauser, Duncan; Hernández-García, Jorge; Kirbis, Alexander; Meeks, John C.; Monte, Isabel; Mutte, Sumanth K.; Neubauer, Anna; Quandt, Dietmar; Robison, Tanner; Shimamura, Masaki; Rensing, Stefan A.; Villarreal, Juan Carlos; Weijers, Dolf; Wicke, Susann; Wong, Gane K.S.; Sakakibara, Keiko; Szövényi, Péter
Source Nature Plants 6 (2020)3. - ISSN 2055-026X - p. 259 - 272.
DOI https://doi.org/10.1038/s41477-020-0618-2
Department(s) GTB Proefbedrijf
Biochemistry
EPS
Publication type Refereed Article in a scientific journal
Publication year 2020
Abstract

Hornworts comprise a bryophyte lineage that diverged from other extant land plants >400 million years ago and bears unique biological features, including a distinct sporophyte architecture, cyanobacterial symbiosis and a pyrenoid-based carbon-concentrating mechanism (CCM). Here, we provide three high-quality genomes of Anthoceros hornworts. Phylogenomic analyses place hornworts as a sister clade to liverworts plus mosses with high support. The Anthoceros genomes lack repeat-dense centromeres as well as whole-genome duplication, and contain a limited transcription factor repertoire. Several genes involved in angiosperm meristem and stomatal function are conserved in Anthoceros and upregulated during sporophyte development, suggesting possible homologies at the genetic level. We identified candidate genes involved in cyanobacterial symbiosis and found that LCIB, a Chlamydomonas CCM gene, is present in hornworts but absent in other plant lineages, implying a possible conserved role in CCM function. We anticipate that these hornwort genomes will serve as essential references for future hornwort research and comparative studies across land plants.

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