Wang, Sibo, Li, Linzhou, Li, Haoyuan, Sahu, Sunil Kumar ORCID: 0000-0002-4742-9870, Wang, Hongli, Xu, Yan, Xian, Wenfei, Song, Bo, Liang, Hongping, Cheng, Shifeng, Chang, Yue, Song, Yue, Cebi, Zehra, Wittek, Sebastian, Reder, Tanja, Peterson, Morten, Yang, Huanming, Wang, Jian, Melkonian, Barbara, van de Peer, Yves, Xu, Xun, Wong, Gane Ka-Shu ORCID: 0000-0001-6108-5560, Melkonian, Michael, Liu, Huan and Liu, Xin ORCID: 0000-0003-3256-2940 (2020). Genomes of early-diverging streptophyte algae shed light on plant terrestrialization. Nat. Plants, 6 (2). S. 95 - 112. LONDON: NATURE PUBLISHING GROUP. ISSN 2055-0278

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Abstract

Mounting 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. A study sequenced and analysed two genomes of basal streptophyte algae that adapt to freshwater and subaerial/terrestrial environments, respectively, providing insights into plant terrestrialization, an important evolutionary transition in the history of life.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wang, SiboUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, LinzhouUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, HaoyuanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahu, Sunil KumarUNSPECIFIEDorcid.org/0000-0002-4742-9870UNSPECIFIED
Wang, HongliUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, YanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xian, WenfeiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Song, BoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Liang, HongpingUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cheng, ShifengUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chang, YueUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Song, YueUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cebi, ZehraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wittek, SebastianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reder, TanjaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Peterson, MortenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yang, HuanmingUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, JianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Melkonian, BarbaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
van de Peer, YvesUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, XunUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wong, Gane Ka-ShuUNSPECIFIEDorcid.org/0000-0001-6108-5560UNSPECIFIED
Melkonian, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Liu, HuanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Liu, XinUNSPECIFIEDorcid.org/0000-0003-3256-2940UNSPECIFIED
URN: urn:nbn:de:hbz:38-346896
DOI: 10.1038/s41477-019-0560-3
Journal or Publication Title: Nat. Plants
Volume: 6
Number: 2
Page Range: S. 95 - 112
Date: 2020
Publisher: NATURE PUBLISHING GROUP
Place of Publication: LONDON
ISSN: 2055-0278
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
TRANSCRIPTION FACTORS; EVOLUTION; ORIGIN; INSIGHTS; ETHYLENE; HORMONE; STRESS; FAMILY; GENESMultiple languages
Plant SciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/34689

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