Cited by 271Microbial Community Ecology and PhysiologyProtist diversity and phylogenyGenomics and Phylogenetic Studies

The complete genome sequence of the algal symbiont Dinoroseobacter shibae: a hitchhiker's guide to life in the sea

Wagner-Döbler, Irene, Ballhausen, Britta, Berger, Martine, Brinkhoff, Thorsten, Buchholz, Ina, Bunk, Boyke, Cypionka, Heribert, Daniel, Rolf +29 more·2010·The ISME Journal

Abstract

Dinoroseobacter shibae DFL12(T), a member of the globally important marine Roseobacter clade, comprises symbionts of cosmopolitan marine microalgae, including toxic dinoflagellates. Its annotated 4 417 868 bp genome sequence revealed a possible advantage of this symbiosis for the algal host. D. shibae DFL12(T) is able to synthesize the vitamins B(1) and B(12) for which its host is auxotrophic. Two pathways for the de novo synthesis of vitamin B(12) are present, one requiring oxygen and the other an oxygen-independent pathway. The de novo synthesis of vitamin B(12) was confirmed to be functional, and D. shibae DFL12(T) was shown to provide the growth-limiting vitamins B(1) and B(12) to its dinoflagellate host. The Roseobacter clade has been considered to comprise obligate aerobic bacteria. However, D. shibae DFL12(T) is able to grow anaerobically using the alternative electron acceptors nitrate and dimethylsulfoxide; it has the arginine deiminase survival fermentation pathway and a complex oxygen-dependent Fnr (fumarate and nitrate reduction) regulon. Many of these traits are shared with other members of the Roseobacter clade. D. shibae DFL12(T) has five plasmids, showing examples for vertical recruitment of chromosomal genes (thiC) and horizontal gene transfer (cox genes, gene cluster of 47 kb) possibly by conjugation (vir gene cluster). The long-range (80%) synteny between two sister plasmids provides insights into the emergence of novel plasmids. D. shibae DFL12(T) shows the most complex viral defense system of all Rhodobacterales sequenced to date.

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Crossref · 10.1038/ismej.2009.94

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  • In co-culture, the thiamine producer Pseudoalteromonas sp. allows growth of the marine thiamine auxotroph Ostreococcus lucimarinus, and Dinoroseobacter shibae provides vitamins B1 and B12 to its dinoflagellate host.

    “in co-culture, the thiamine producer Pseudoalteromonas sp. allows the growth of the marine thiamine auxotroph microalgae Ostreococcus lucimarinus [48], and the marine bacterium Dinoroseobacter shibae, isolated from the benthic dinoflagellate Prorocentrum lima, provides vitamins B1 and B12 to its dinoflagellate host [49].”

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Authors
Wagner-Döbler, I., Ballhausen, B., Berger, M., Brinkhoff, T., Buchholz, I., Bunk, B., Cypionka, H., Daniel, R., Drepper, T., Gerdts, G., Hahnke, S., Han, C., Jahn, D., Kalhoefer, D., Kiss, H., Klenk, H.-P., Kyrpides, N., Liebl, W., Liesegang, H., Meincke, L., Pati, A., Petersen, J., Piekarski, T., Pommerenke, C., Pradella, S., Pukall, R., Rabus, R., Stackebrandt, E., Thole, S., Thompson, L., Tielen, P., Tomasch, J., von Jan, M., Wanphrut, N., Wichels, A., Zech, H., & Simon, M.
Affiliations
  • Helmholtz-Centre for Infection Research , Braunschweig , Germany
  • Helmholtz Centre for Infection Research (DE)
  • Carl von Ossietzky Universität Oldenburg (DE)
  • Technische Universität Braunschweig (DE)
  • University of Göttingen (DE)
  • Forschungszentrum Jülich (DE)
  • Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung (DE)
  • Joint Genome Institute (US)
  • Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg , Oldenburg , Germany
  • Leibniz Institute DSMZ – German Collection of Microorganisms and Cell Cultures (DE)
  • Technical University of Munich (DE)
  • German Collection for Microorganisms and Cell Cultures , Braunschweig , Germany
Venue
The ISME Journal
Published
2009-09-10
Volume
4
Issue
1
Pages
61-77
ISSN
  • 1751-7362 (ISSN-L)
  • 1751-7370
OpenAlex
W2077685605
Cited by
271
References
105
Citations by year
2026: 6 · 2025: 15 · 2024: 15 · 2023: 13 · 2022: 21 · 2021: 20 · 2020: 12 · 2019: 13 · 2018: 17 · 2017: 23 · 2016: 18 · 2015: 25 · 2014: 26 · 2013: 17 · 2012: 9
FWCI
8.77
Type
journal article
Language
en
Open access
closed
Locations
  • The ISME Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) (submittedVersion)
  • GRO (submittedVersion)
Funders
  • U.S. Department of Energy (DE-AC03-?, AC03-76SF00098, W-7405, DEAC03-76SF00098, -7405-ENG-48, W-7405-ENG-36)
  • Gordon and Betty Moore Foundation
  • Volkswagen Foundation
  • Office of Science (DEAC03-76SF00098)
  • Biological and Environmental Research
  • Lawrence Livermore National Laboratory (W-7405-ENG 48, -7405-Eng-48, DE-AC03-76SF00098, W-7405-ENG-36)
  • Lawrence Berkeley National Laboratory (DE AC03 76SF00098)
  • Los Alamos National Laboratory (W‐7405‐ENG‐36)
Topics
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protist diversity and phylogeny
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
Dinoroseobacter shibae, Roseobacter clade, vitamin B12 biosynthesis, anaerobic growth, nitrate respiration, plasmids, horizontal gene transfer, conjugation, Rhodobacterales, genome annotation
MeSH terms
Aerobiosis, Anaerobiosis, Dimethyl Sulfoxide, DNA, Bacterial, Molecular Sequence Data, Nitrates, Plasmids, Symbiosis, Thiamine, Vitamin B 12, Genome, Bacterial, Sequence Homology, Sequence Analysis, DNA, Synteny, Rhodobacteraceae, Biosynthetic Pathways, Eukaryota

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