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Single cell genomics reveals plastid-lacking Picozoa are close relatives of red algae

Schön, Max Emil (författare)
Uppsala universitet,Molekylär evolution,Systematisk biologi,Uppsala University, Sweden
Zlatogursky, Vasily V. (författare)
Uppsala universitet,Systematisk biologi,St Petersburg State Univ, Fac Biol, Dept Invertebrate Zool, St Petersburg, Russia.,Uppsala University, Sweden;St Petersburg State Univ, Russia
Singh, Rohan P. (författare)
Biodesign Center for Mechanisms of Evolution, School of Life Sciences, Arizona State University, Tempe, AZ, USA.,Arizona State Univ, USA
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Poirier, Camille (författare)
Ocean EcoSystems Biology, RD3, GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany; Monterey Bay Aquarium Research Institute, Moss Landing, CA, USA.,GEOMAR Helmholtz Ctr Ocean Res Kiel, Germany;Monterey BayAquarium Res Inst, USA;Univ Oxford, UK
Wilken, Susanne (författare)
Monterey Bay Aquarium Research Institute, Moss Landing, CA, USA.,Monterey BayAquarium Res Inst, USA;Univ Amsterdam, Netherlands
Mathur, Varsha (författare)
Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.,Univ British Columbia, Canada
Strassert, Jürgen F. H. (författare)
Uppsala universitet,Systematisk biologi,Uppsala University, Sweden;Leibniz Inst Freshwater Ecol & Inland Fisheries, Germany
Pinhassi, Jarone (författare)
Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Vatten,Ctr Ecol & Evolut Microbial Model Syst EEMiS,Centre for Ecology and Evolution in Microbial Model Systems – EEMiS, Linnaeus University, Kalmar, Sweden.
Worden, Alexandra Z. (författare)
Ocean EcoSystems Biology, RD3, GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany; Monterey Bay Aquarium Research Institute, Moss Landing, CA, USA.,GEOMAR Helmholtz Ctr Ocean Res Kiel, Germany;Monterey BayAquarium Res Inst, USA
Keeling, Patrick J. (författare)
Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada.,Univ British Columbia, Canada
Ettema, Thijs J. G. (författare)
Laboratory of Microbiology, Wageningen University and Research, NL-6708 WE Wageningen, The Netherlands.,Wageningen Univ AndRes, Netherlands
Wideman, Jeremy G. (författare)
Biodesign Center for Mechanisms of Evolution, School of Life Sciences, Arizona State University, Tempe, AZ, USA.,Arizona State Univ, USA
Burki, Fabien (författare)
Uppsala universitet,Systematisk biologi,Science for Life Laboratory, SciLifeLab,Uppsala University, Sweden
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 (creator_code:org_t)
2021-11-17
2021
Engelska.
Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 12:1
Relaterad länk:
https://doi.org/10.1...
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https://www.biorxiv....
https://figshare.com...
https://doi.org/10.1...
https://uu.diva-port... (primary) (Raw object)
https://www.nature.c...
https://umu.diva-por... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.1...
https://urn.kb.se/re...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The endosymbiotic origin of plastids from cyanobacteria gave eukaryotes photosynthetic capabilities and launched the diversification of countless forms of algae. These primary plastids are found in members of the eukaryotic supergroup Archaeplastida. All known archaeplastids still retain some form of primary plastids, which are widely assumed to have a single origin. Here, we used single-cell genomics from natural samples combined with phylogenomics to infer the evolutionary origin of the phylum Picozoa, a globally distributed but seemingly rare group of marine microbial heterotrophic eukaryotes. Strikingly, the analysis of 43 single-cell genomes shows that Picozoa belong to Archaeplastida, specifically related to red algae and the phagotrophic rhodelphids. These picozoan genomes support the hypothesis that Picozoa lack a plastid, and further reveal no evidence of an early cryptic endosymbiosis with cyanobacteria. These findings change our understanding of plastid evolution as they either represent the first complete plastid loss in a free-living taxon, or indicate that red algae and rhodelphids obtained their plastids independently of other archaeplastids.

Ämnesord

NATURVETENSKAP  -- Biologi -- Evolutionsbiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Evolutionary Biology (hsv//eng)
NATURVETENSKAP  -- Biologi -- Botanik (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Botany (hsv//eng)

Nyckelord

Biology with specialization in Molecular Evolution
Biologi med inriktning mot molekylär evolution
Evolutionary Biology

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