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Genome evolution of a nonparasitic secondary heterotroph, the diatom Nitzschia putrida
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- Speak, Samuel
- School of Environmental Sciences, University of East Anglia
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- Sarkozi, Krisztina
- School of Environmental Sciences, University of East Anglia; Present address: Department of Earth Sciences, University of Oxford
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- van Oosterhout, Cock
- School of Environmental Sciences, University of East Anglia
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- Toseland, Andrew
- School of Environmental Sciences, University of East Anglia
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- Oyama, Kaori
- Graduate School of Humanities and Sciences, Ochanomizu University
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- Kume, Keitaro
- Department of Clinical Medicine, Faculty of Medicine, University of Tsukuba
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- Kato, Misako
- Graduate School of Humanities and Sciences, Ochanomizu University
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- Kayama, Motoki
- Graduate School of Human and Environmental Studies, Kyoto University
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- Azuma, Tomonori
- Graduate School of Human and Environmental Studies, Kyoto University
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- Ishii, Ken-ichiro
- Graduate School of Human and Environmental Studies, Kyoto University
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- Miyashita, Hideaki
- Graduate School of Human and Environmental Studies, Kyoto University
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- Lombard, Vincent
- Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS, Université Aix-Marseille; INRA
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- Henrissat, Bernard
- Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS, Université Aix-Marseille; INRA; Department of Biological Sciences, King Abdulaziz University
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- Win, Joe
- The Sainsbury Laboratory, University of East Anglia
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- Kashiyama, Yuichiro
- Graduate School of Engineering, Fukui University of Technology
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- Miyagishima, Shin-ya
- Department of Gene Function and Phenomics, National Institute of Genetics
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- Tanifuji, Goro
- Department of Zoology, National Museum of Nature and Science
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- Mock, Thomas
- School of Environmental Sciences, University of East Anglia
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- Nakamura, Yasukazu
- Department of Informatics, National Institute of Genetics, Research Organization of Information and Systems
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- Kamikawa, Ryoma
- Graduate School of Agriculture, Kyoto University
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- Mochizuki, Takako
- Department of Informatics, National Institute of Genetics, Research Organization of Information and Systems
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- Mayama, Shigeki
- Advanced Support Center for Science Teachers, Tokyo Gakugei University
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- Sakamoto, Mika
- Department of Informatics, National Institute of Genetics, Research Organization of Information and Systems
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- Tanizawa, Yasuhiro
- Department of Informatics, National Institute of Genetics, Research Organization of Information and Systems
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- Nakayama, Takuro
- Graduate School of Life Sciences, Tohoku University; Present address: Center for Computational Sciences, University of Tsukuba
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- Onuma, Ryo
- Department of Gene Function and Phenomics, National Institute of Genetics; Present address: Kobe University Research Center for Inland Seas
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- Cenci, Ugo
- Université de Lille, CNRS; UGSF -- Unité de Glycobiologie Structurale et Fonctionnelle
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- Moog, Daniel
- Laboratory for Cell Biology, Philipps University Marburg; SYNMIKRO Research Center; Present address: Max Planck Institute for Terrestrial Microbiology
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- Kamoun, Sophien
- The Sainsbury Laboratory, University of East Anglia
Bibliographic Information
- Other Title
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- Genome evolution of a nonparasitic secondary heterotroph, the diatom<i>Nitzschia putrida</i>
- Published
- 2022-04
- Resource Type
- journal article
- Rights Information
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- Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).
- This is an open-access article distributed under the terms of the Creative Commons Attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- DOI
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- 10.1126/sciadv.abi5075
- 10.1101/2021.01.24.427197
- Publisher
- American Association for the Advancement of Science (AAAS)
Description
Secondary loss of photosynthesis is observed across almost all plastid-bearing branches of the eukaryotic tree of life. However, genome-based insights into the transition from a phototroph into a secondary heterotroph have so far only been revealed for parasitic species. Free-living organisms can yield unique insights into the evolutionary consequence of the loss of photosynthesis, as the parasitic lifestyle requires specific adaptations to host environments. Here, we report on the diploid genome of the free-living diatom Nitzschia putrida (35 Mbp), a nonphotosynthetic osmotroph whose photosynthetic relatives contribute ca. 40% of net oceanic primary production. Comparative analyses with photosynthetic diatoms and heterotrophic algae with parasitic lifestyle revealed that a combination of gene loss, the accumulation of genes involved in organic carbon degradation, a unique secretome, and the rapid divergence of conserved gene families involved in cell wall and extracellular metabolism appear to have facilitated the lifestyle of a free-living secondary heterotroph.
Journal
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- Science Advances
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Science Advances 8 (17), eabi5075-, 2022-04
American Association for the Advancement of Science (AAAS)
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Details 詳細情報について
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- CRID
- 1050854882702220672
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- ISSN
- 23752548
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- Crossref
- KAKEN
- OpenAIRE
