Genomes of early-diverging streptophyte algae shed light on plant terrestrialization
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Genomes of early-diverging streptophyte algae shed light on plant terrestrialization. / Wang, Sibo; Li, Linzhou; Li, Haoyuan; Sahu, Sunil Kumar; Wang, Hongli; Xu, Yan; Xian, Wenfei; Song, Bo; Liang, Hongping; Cheng, Shifeng; Chang, Yue; Song, Yue; Çebi, Zehra; Wittek, Sebastian; Reder, Tanja; Peterson, Morten; Yang, Huanming; Wang, Jian; Melkonian, Barbara; Van de Peer, Yves; Xu, Xun; Wong, Gane Ka-Shu; Melkonian, Michael; Liu, Huan; Liu, Xin.
I: Nature Plants, Bind 6, Nr. 2, 2020, s. 95-106.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Genomes of early-diverging streptophyte algae shed light on plant terrestrialization
AU - Wang, Sibo
AU - Li, Linzhou
AU - Li, Haoyuan
AU - Sahu, Sunil Kumar
AU - Wang, Hongli
AU - Xu, Yan
AU - Xian, Wenfei
AU - Song, Bo
AU - Liang, Hongping
AU - Cheng, Shifeng
AU - Chang, Yue
AU - Song, Yue
AU - Çebi, Zehra
AU - Wittek, Sebastian
AU - Reder, Tanja
AU - Peterson, Morten
AU - Yang, Huanming
AU - Wang, Jian
AU - Melkonian, Barbara
AU - Van de Peer, Yves
AU - Xu, Xun
AU - Wong, Gane Ka-Shu
AU - Melkonian, Michael
AU - Liu, Huan
AU - Liu, Xin
PY - 2020
Y1 - 2020
N2 - 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.
AB - 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.
U2 - 10.1038/s41477-019-0560-3
DO - 10.1038/s41477-019-0560-3
M3 - Journal article
C2 - 31844283
AN - SCOPUS:85076924043
VL - 6
SP - 95
EP - 106
JO - Nature Plants
JF - Nature Plants
SN - 2055-026X
IS - 2
ER -
ID: 235772233