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Dr Deepa Varkey is a marine biologist with research interests in microbial ecology, coastal primary productivity and molecular mechanisms of thermal tolerance in marine organisms. Her current research project focuses on understanding and predicting how the structure and function of marine microbial communities vary across space and time in response to environmental change.

By utilising molecular tools and Machine Learning, her research attempts to predict microbial provinces in the oceans using species distribution models based upon extensive microbial community and environmental data collected by the Marine Microbes and Australian Microbiome projects. A key goal of this research is the development of tools to monitor the health of Australia's marine provinces.

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Research Outputs

  • 57 Citations
  • 5 h-Index
  • 8 Article
  • 1 Chapter
  • 1 Conference paper

Sediment bacterial communities associated with environmental factors in Intermittently Closed and Open Lakes and Lagoons (ICOLLs)

Filippini, G., Bugnot, A. B., Johnston, E. L., Ruszczyk, J., Potts, J., Scanes, P., Ferguson, A., Ostrowski, M., Varkey, D. & Dafforn, K. A., 25 Nov 2019, In : Science of the Total Environment. 693, p. 1-12 12 p., 133462.

Research output: Contribution to journalArticle

  • Impact of nitrogen availability upon the electron requirement for carbon fixation in Australian coastal phytoplankton communities

    Hughes, D. J., Varkey, D., Doblin, M. A., Ingleton, T., Mcinnes, A., Ralph, P. J., van Dongen-Vogels, V. & Suggett, D. J., Sep 2018, In : Limnology and Oceanography. 63, 5, p. 1891-1910 20 p.

    Research output: Contribution to journalArticle

  • 12 Citations (Scopus)

    Stormwater influences phytoplankton assemblages within the diverse, but impacted Sydney Harbour estuary

    Varkey, D., Mazard, S., Jeffries, T. C., Hughes, D. J., Seymour, J., Paulsen, I. T. & Ostrowski, M., 26 Dec 2018, In : PLoS ONE. 13, 12, 16 p., e0209857.

    Research output: Contribution to journalArticle

    Open Access
  • 2 Citations (Scopus)
    7 Downloads (Pure)

    Application of 'omics' approaches to microbial oceanography

    Varkey, D. R. & Doblin, M. A., 2017, Systems biology of marine ecosystems. Kumar, M. & Ralph, P. (eds.). Cham, Switzerland: Springer, Springer Nature, p. 223-233 11 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

  • Characterization and vaccine potential of membrane vesicles produced by Francisella noatunensis subsp. orientalis in an adult zebrafish model

    Lagos, L., Tandberg, J. I., Repnik, U., Boysen, P., Ropstad, E., Varkey, D., Paulsen, I. T. & Winther-Larsen, H. C., 1 May 2017, In : Clinical and Vaccine Immunology. 24, 5, p. 1-19 19 p., e00557-16.

    Research output: Contribution to journalArticle

    Open Access
  • 15 Citations (Scopus)