EFFECTS OF IONOPHORES AND RUTHENIUM RED ON THE PHOTOTAXIS OF STENTOR COERULEUS AS MEASURED BY SIMPLE DEVICES
- 1 June 1981
- journal article
- research article
- Published by Wiley in Photochemistry and Photobiology
- Vol. 33 (6) , 933-936
- https://doi.org/10.1111/j.1751-1097.1981.tb05516.x
Abstract
Abstract— Two simple methods of phototaxis measurements have been applied to study the effects of ionophores on the negative phototactic response in Stentor coeruleus. The inhibitory effects of Ca2+‐ionophore (A23187), Ca2+‐blocking agent (Ruthenium Red), and K+ ‐ionophore (valinomycin) on photo‐taxis have been determined. Results suggest that the influx of Ca2+ plays a transducing role in the phototaxis of Stentor.This publication has 11 references indexed in Scilit:
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