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The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants
Li, Linzhou; Wang, Sibo; Wang, Hongli; Sahu, Sunil Kumar; Marin, Birger; Li, Haoyuan; Xu, Yan; Liang, Hongping; Li, Zhen; Cheng, Shifeng; Reder, Tanja; Çebi, Zehra; Wittek, Sebastian; Petersen, Morten; Melkonian, Barbara; Du, Hongli; Yang, Huanming; Wang, Jian; Wong, Gane Ka-Shu; Xu, Xun; Liu, Xin; Van de Peer, Yves; Melkonian, Michael; Liu, Huan (2020). The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants. Nature Ecology & Evolution 4(9): 1220-1231.
In: Nature Ecology & Evolution. Springer Nature. ISSN 2397-334X, more
Related to:
Piganeau, G. (2020). A planktonic picoeukaryote makes big changes to the green lineage. Nature Ecology & Evolution 4(9): 1160-1161., more
Peer reviewed article  

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    Prasinoderma coloniale T.Hasegawa & M.Chihara, 1996 [WoRMS]

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    Genome analysis of the pico-eukaryotic marine green alga Prasinoderma coloniale CCMP 1413 unveils the existence of a novel phylum within green plants (Viridiplantae), the Prasinodermophyta, which diverged before the split of Chlorophyta and Streptophyta. Structural features of the genome and gene family comparisons revealed an intermediate position of the P. coloniale genome (25.3 Mb) between the extremely compact, small genomes of picoplanktonic Mamiellophyceae (Chlorophyta) and the larger, more complex genomes of early-diverging streptophyte algae. Reconstruction of the minimal core genome of Viridiplantae allowed identification of an ancestral toolkit of transcription factors and flagellar proteins. Adaptations of P. coloniale to its deep-water, oligotrophic environment involved expansion of light-harvesting proteins, reduction of early light-induced proteins, evolution of a distinct type of C4 photosynthesis and carbon-concentrating mechanism, synthesis of the metal-complexing metabolite picolinic acid, and vitamin B1, B7 and B12 auxotrophy. The P. coloniale genome provides first insights into the dawn of green plant evolution.

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