Aggregation Temperature of Escherichia coli Depends on Steepness of the Thermal Gradient.

ABSTRACT: Bacterial chemotaxis, the directed migration of bacteria in a gradient of chemoattractant, is one of the most well-studied and well-understood processes in cell biology. On the other hand, bacterial thermotaxis, the directed migration of bacteria in a gradient of temperature, is understood relatively poorly, with somewhat conflicting reports by different groups. One of the reasons for that is the relative technical difficulty of the generation of well-defined gradients of temperature that are sufficiently steep to elicit readily detectable thermotaxis. Here, we used a specially designed microfluidic device to study thermotaxis of Escherichia coli in a broad range of thermal gradients with a high rate of data collection. We found that in shallow temperature gradients with narrow temperature

SUBMITTER: Yang CY 

PROVIDER: S-EPMC7264810 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature