Genomes of early-diverging streptophyte algae shed light on plant terrestrialization

dc.contributor.authorWang, Sibo
dc.contributor.authorLi, Linzhou
dc.contributor.authorLi, Haoyuan
dc.contributor.authorSahu, Sunil Kumar
dc.contributor.authorWang, Hongli
dc.contributor.authorXu, Yan
dc.contributor.authorXian, Wenfei
dc.contributor.authorSong, Bo
dc.contributor.authorLiang, Hongping
dc.contributor.authorCheng, Shifeng
dc.contributor.authorChang, Yue
dc.contributor.authorSong, Yue
dc.contributor.authorCebi, Zehra
dc.contributor.authorWittek, Sebastian
dc.contributor.authorReder, Tanja
dc.contributor.authorPeterson, Morten
dc.contributor.authorYang, Huanming
dc.contributor.authorWang, Jian
dc.contributor.authorMelkonian, Barbara
dc.contributor.authorVan de Peer, Yves
dc.contributor.authorXu, Xun
dc.contributor.authorWong, Gane Ka-Shu
dc.contributor.authorMelkonian, Michael
dc.contributor.authorLiu, Huan
dc.contributor.authorLiu, Xin
dc.date.accessioned2021-05-18T08:08:18Z
dc.date.available2021-05-18T08:08:18Z
dc.date.issued2020-02
dc.descriptionThis work is part of the 10KP project led by BGI-Shenzhen and China National GeneBank.en_ZA
dc.description.abstractMounting evidence suggests that terrestrialization of plants started in streptophyte green algae, favoured by their dual existence in freshwater and subaerial/terrestrial environments. Here, we present the genomes of Mesostigma viride and Chlorokybus atmophyticus, two sister taxa in the earliest-diverging clade of streptophyte algae dwelling in freshwater and subaerial/terrestrial environments, respectively. We provide evidence that the common ancestor of M. viride and C. atmophyticus (and thus of streptophytes) had already developed traits associated with a subaerial/terrestrial environment, such as embryophyte-type photorespiration, canonical plant phytochrome, several phytohormones and transcription factors involved in responses to environmental stresses, and evolution of cellulose synthase and cellulose synthase-like genes characteristic of embryophytes. Both genomes differed markedly in genome size and structure, and in gene family composition, revealing their dynamic nature, presumably in response to adaptations to their contrasting environments. The ancestor of M. viride possibly lost several genomic traits associated with a subaerial/terrestrial environment following transition to a freshwater habitat.en_ZA
dc.description.departmentBiochemistryen_ZA
dc.description.departmentGeneticsen_ZA
dc.description.departmentMicrobiology and Plant Pathologyen_ZA
dc.description.librarianam2021en_ZA
dc.description.sponsorshipWe thank G. Günther (http://www.mikroskopia.de/index.html), who took microscopic images of M. viride and C. atmophyticus. Financial support was provided by the Shenzhen Municipal Government of China (grant nos. JCYJ20151015162041454 and JCYJ20160531194327655) and the Guangdong Provincial Key Laboratory of Genome Read and Write (grant no. 2017B030301011). This work is part of the 10KP project led by BGI-Shenzhen and China National GeneBank.en_ZA
dc.description.sponsorshipThe Shenzhen Municipal Government of China and the Guangdong Provincial Key Laboratory of Genome Read and Write.en_ZA
dc.description.urihttp://www.nature.com/natureplantsen_ZA
dc.identifier.citationWang, S., Li, L., Li, H. et al. 2020, 'Genomes of early-diverging streptophyte algae shed light on plant terrestrialization', Nature Plants, vol. 6, pp. 95-106.en_ZA
dc.identifier.issn2055-026X (print)
dc.identifier.issn2055-0278 (online)
dc.identifier.other10.1038/s41477-019-0560-3
dc.identifier.urihttp://hdl.handle.net/2263/79935
dc.language.isoenen_ZA
dc.publisherNature Researchen_ZA
dc.rights© The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License.en_ZA
dc.subjectPlantsen_ZA
dc.subjectFreshwateren_ZA
dc.subjectGreen algaeen_ZA
dc.subjectGenomesen_ZA
dc.titleGenomes of early-diverging streptophyte algae shed light on plant terrestrializationen_ZA
dc.typeArticleen_ZA

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