Browsing by Author "Stocker, Roman"

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Browsing by Author "Stocker, Roman"

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  • Seymour, Justin; Ahmed, Tanvir; Stocker, Roman (Oxford Journals, 2009)
    Marine bacteria exhibit positive chemotactic responses to the extracellular exudates of the toxic phytoplankton Heterosigma akashiwo. In the environment, this will support bacteria?algae associations with potential ...
  • Seymour, Justin; Simo, Rafel; Ahmed, Tanvir; Stocker, Roman (American Association for the Advancement of Science, 2010)
    Phytoplankton-produced dimethylsulfoniopropionate (DMSP) provides underwater and atmospheric foraging cues for several species of marine invertebrates, fish, birds, and mammals. However, its role in the chemical ecology ...
  • Seymour, Justin; Marcos, M; Stocker, Roman (Journal of Visualized Experiments, 2007)
    The degree to which planktonic microbes can exploit microscale resource patches will have considerable implications for oceanic trophodynamics and biogeochemical flux. However, to take advantage of nutrient patches in the ...
  • Stocker, Roman; Seymour, Justin (American Society for Microbiology, 2012)
    Summary: Intuitively, it may seem that from the perspective of an individual bacterium the ocean is a vast, dilute, and largely homogeneous environment. Microbial oceanographers have typically considered the ocean from ...
  • Marcos, M; Seymour, Justin; Luhar, Mitul; Mitchell, James; Durham, William; Macke, Andreas; Stocker, Roman (Natl Acad Sciences, 2011)
    The growth of microbial cultures in the laboratory often is assessed informally with a quick flick of the wrist: dense suspensions of microorganisms produce translucent
  • Seymour, Justin; Ahmed, Tanvir; Marcos, M; Stocker, Roman (American Society of Limnology and Oceanography Inc., 2008)
    The nutrient environment experienced by planktonic microorganisms is patchy at spatiotemporal scales commensurate with their motility and the efficiency with which chemotactic microbes can exploit this heterogeneous seascape ...
  • Stocker, Roman; Seymour, Justin; Samadani, Azada; Hunt, Dana; Polz, Martin (National Academy of Sciences, 2008)
    Because ocean water is typically resource-poor, bacteria may gain significant growth advantages if they can exploit the ephemeral nutrient patches originating from numerous, small sources. Although this interaction has ...
  • Seymour, Justin; Marcos, M; Stocker, Roman (University of Chicago Press, 2009)
    Exploitation of microscale (?m?mm) resource patches by planktonic microorganisms may influence oceanic trophodynamics and nutrient cycling. However, examinations of microbial behavior within patchy microhabitats have been ...