Temporal change of photophobic response of Euglena gracilis observed in a micro-aquarium chip

Kazunari Ozasa, June Won, Simon Song, Mizuo Maeda

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The photophobic responses of motile micro-algae, Euglena gracilis, were investigated in a time course of several hours for a cell population confined in a microchip. Two types of experiments, i.e., whole area blue-light pulse illumination (A) and spatially patterned blue-light illumination (B), were alternatively repeated as ABAB... for the same cell population. We found that the cells changed their response motions in a time course of a couple of hours, and the cells acquired more effective responses for escaping from the blue-light illuminated area. Such single-cell-level motion analysis has not been investigated for a long-term temporal changes.

Original languageEnglish
Title of host publication21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2017
PublisherChemical and Biological Microsystems Society
Pages1086-1087
Number of pages2
ISBN (Electronic)9780692941836
StatePublished - 2020 Jan 1
Event21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2017 - Savannah, United States
Duration: 2017 Oct 222017 Oct 26

Publication series

Name21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2017

Conference

Conference21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2017
CountryUnited States
CitySavannah
Period17/10/2217/10/26

Keywords

  • Adaptation
  • Circadian rhythm
  • Metabolic status
  • Photosynthesis

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