Výsledky vyhledávání - "Hein, Andrew M."

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Bacteria push the limits of chemotactic precision to navigate dynamic chemical gradients

Autor: Brumley, Douglas R., Carrara, Francesco, Hein, Andrew M., Yawata, Yutaka, Levin, Simon A., Stocker, Roman

Ephemeral aggregations of bacteria are ubiquitous in the environment, where they serve as hotbeds of metabolic activity, nutrient cycling, and horizontal gene transfer. In many cases, these regions of high bacterial concentration are thought to form

Externí odkaz: http://arxiv.org/abs/1905.07774

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Akademický článek

Fast behavioral feedbacks make ecosystems sensitive to pace and not just magnitude of anthropogenic environmental change

Autor: Gil, Michael A., Baskett, Marissa L., Munch, Stephan B., Hein, Andrew M.

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America, 2020 Oct . 117(41), 25580-25589.

Externí odkaz: https://www.jstor.org/stable/26969631

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Physical Limits on Bacterial Navigation in Dynamic Environments

Autor: Hein, Andrew M., Brumley, Douglas R., Carrara, Francesco, Stocker, Roman, Levin, Simon A.

Many chemotactic bacteria inhabit environments in which chemicals appear as localized pulses and evolve by processes such as diffusion and mixing. We show that, in such environments, physical limits on the accuracy of temporal gradient sensing govern

Externí odkaz: http://arxiv.org/abs/1512.04217

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Sensing and decision-making in random search

Autor: Hein, Andrew M., McKinley, Scott A.

While microscopic organisms can use gradient-based search to locate resources, this strategy can be poorly suited to the sensory signals available to macroscopic organisms. We propose a framework that models search-decision making in cases where sens

Externí odkaz: http://arxiv.org/abs/1202.3384

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