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Electric Field Detaches Tethered C. crescentus and Drives Bacterial Rolling Motion

Description

Abstract:
Bacterial tethering to solid surfaces facilitates many crucial functions in their natural habitats. The goal of this research is to understand the mechanisms of cell body tethering to solid surfaces. In particular, this project studies the tethering and detaching mechanisms of C. crescentus. We apply an electric field as a means to detach the cells from the surface. By manipulating the field strength and observing its influence on the tethered cell, we found that the tethering strengths of the younger, swarmer cells is stronger than that of the older, especially, pre-divisional cells. We found that a 1000V/m electric field was sufficient to detach some tethered pre-divisional cells, causing them to roll over solid surface; the same field strength was insufficient to detach tethered swarmer cells.

Citation

Zheng, Joy, "Electric Field Detaches Tethered C. crescentus and Drives Bacterial Rolling Motion" (2018). Summer Research Symposium. Brown Digital Repository. Brown University Library. https://doi.org/10.26300/ddew-8535

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Collection:

  • Summer Research Symposium

    Each year, Brown University showcases the research of its undergraduates at the Summer Research Symposium. More than half of the student-researchers are UTRA recipients, while others receive funding from a variety of Brown-administered and national programs and fellowships and go …
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