Cited by 285Marine and coastal ecosystemsAquatic Ecosystems and Phytoplankton DynamicsProtist diversity and phylogeny

Niche of harmful alga Aureococcus anophagefferens revealed through ecogenomics

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Gobler, Christopher J., Berry, Dianna L., Dyhrman, Sonya T., Wilhelm, Steven W., Salamov, Asaf, Lobanov, Alexei V., Zhang, Yan, Collier, Jackie L. +25 more·2011·Proceedings of the National Academy of Sciences

Abstract

Harmful algal blooms (HABs) cause significant economic and ecological damage worldwide. Despite considerable efforts, a comprehensive understanding of the factors that promote these blooms has been lacking, because the biochemical pathways that facilitate their dominance relative to other phytoplankton within specific environments have not been identified. Here, biogeochemical measurements showed that the harmful alga Aureococcus anophagefferens outcompeted co-occurring phytoplankton in estuaries with elevated levels of dissolved organic matter and turbidity and low levels of dissolved inorganic nitrogen. We subsequently sequenced the genome of A. anophagefferens and compared its gene complement with those of six competing phytoplankton species identified through metaproteomics. Using an ecogenomic approach, we specifically focused on gene sets that may facilitate dominance within the environmental conditions present during blooms. A. anophagefferens possesses a larger genome (56 Mbp) and has more genes involved in light harvesting, organic carbon and nitrogen use, and encoding selenium- and metal-requiring enzymes than competing phytoplankton. Genes for the synthesis of microbial deterrents likely permit the proliferation of this species, with reduced mortality losses during blooms. Collectively, these findings suggest that anthropogenic activities resulting in elevated levels of turbidity, organic matter, and metals have opened a niche within coastal ecosystems that ideally suits the unique genetic capacity of A. anophagefferens and thus, has facilitated the proliferation of this and potentially other HABs.

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Crossref · 10.1073/pnas.1016106108

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  • Selenium is an essential metal in metazoans and some algae for the production of Se-requiring glutathione peroxidase, used to metabolize hydrogen peroxide and lipid hydroperoxides.

    “Selenium is an essential metal in metazoans and some algae for the production of Se-requiring glutathione peroxidase, used to metabolize hydrogen peroxide and lipid hydroperoxides (Halliwell and Gutteridge 2007; Perez et al. 2007; Gobler et al. 2011).”

    From Algae as nutritional and functional food sources: revisiting our understanding. (2017) · cites this paper as Gobler et al. 2011

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  1. Gobler CJ, Lonsdale DJ, Boyer GL (2005) A synthesis and review of causes and impact of harmful brown tide blooms caused by the alga, Aureococcus anophagefferens. Estuaries 28:726-749.

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Authors
Gobler, C. J., Berry, D. L., Dyhrman, S. T., Wilhelm, S. W., Salamov, A., Lobanov, A. V., Zhang, Y., Collier, J. L., Wurch, L. L., Kustka, A. B., Dill, B. D., Shah, M., VerBerkmoes, N. C., Kuo, A., Terry, A., Pangilinan, J., Lindquist, E. A., Lucas, S., Paulsen, I. T., Hattenrath-Lehmann, T. K., Talmage, S. C., Walker, E. A., Koch, F., Burson, A. M., Marcoval, M. A., Tang, Y.-Z., LeCleir, G. R., Coyne, K. J., Berg, G. M., Bertrand, E. M., Saito, M. A., Gladyshev, V. N., & Grigoriev, I. V.
Affiliations
  • Stony Brook University (US)
  • Woods Hole Oceanographic Institution (US)
  • University of Tennessee at Knoxville (US)
  • Joint Genome Institute (US)
  • Brigham and Women's Hospital (US)
  • Rutgers, The State University of New Jersey (US)
  • Chemical Sciences and
  • Oak Ridge National Laboratory (US)
  • Macquarie University (AU)
  • University of Delaware (US)
  • Stanford University (US)
  • Massachusetts Institute of Technology (US)
Venue
Proceedings of the National Academy of Sciences
Published
2011-02-23
Volume
108
Issue
11
Pages
4352-4357
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1984643266
Cited by
285
References
86
Citations by year
2026: 5 · 2025: 12 · 2024: 20 · 2023: 15 · 2022: 14 · 2021: 19 · 2020: 17 · 2019: 24 · 2018: 21 · 2017: 20 · 2016: 22 · 2015: 18 · 2014: 16 · 2013: 18 · 2012: 25
FWCI
17.59
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • University of North Texas Digital Library (University of North Texas) (submittedVersion)
  • Open Access Server of the Woods Hole Scientific Community (Woods Hole Scientific Community) (submittedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Science Foundation (DEAC02-05CH11231, 0841918)
  • U.S. Department of Energy (-AC02-05CH11231, 05CH11231, DE-AC02-)
  • Harvard University
  • Joint Genome Institute (AC02-05CH11231, DE–AC02–05CH11231)
  • Stony Brook University
  • National Institutes of Health (DE-AC02–05CH11231)
  • National Oceanic and Atmospheric Administration (DE-AC02-05CH11231, NA07OAR4170010, NA10OAR4170064, NA09NOS4780206)
  • Office of Science (AC02-05CH11231, DE-AC02, 05CH11231)
  • National Institute of General Medical Sciences (R01GM061603, GM061603)
  • New York Sea Grant, State University of New York (NA07OAR4170010, NA10OAR4170064)
  • Center for Sponsored Coastal Ocean Research
  • Lawrence Livermore National Laboratory (DE-AC02-05CH11231)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protist diversity and phylogeny
Keywords
Aureococcus anophagefferens, harmful algal blooms, ecogenomics, phytoplankton competition, estuaries, dissolved organic matter, turbidity, dissolved inorganic nitrogen, genome size, anthropogenic impacts, coastal ecosystems
MeSH terms
Amino Acid Sequence, Bacteria, Biodegradation, Environmental, Enzymes, Light, Phylogeny, Phytoplankton, Proteins, Species Specificity, Genome, Ecosystem, Genomics, Eukaryota

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