Oxygen and hydrogen peroxide enhance light‐induced carotenoid synthesis in Neurospora crassa
- 23 June 2005
- journal article
- Published by Wiley in FEBS Letters
- Vol. 579 (18), 4012-4016
- https://doi.org/10.1016/j.febslet.2005.06.014
Abstract
Previously, we found that intracellular reactive oxygen species (ROS) affect photomorphogenesis in Neurospora crassa. In this study, we investigated the physiological roles of ROS in the response to light and found that the exposure of mycelia to air was important for the light‐induced carotenogenesis. Mycelia treated with a high concentration of O2 gas and H2O2 to release ROS showed an enhancement of light‐induced carotenoid accumulation and the expression of gene related to light‐inducible carotenogenesis. These results suggested that stimuli caused by the exposure of the mycelia to air containing O2 gas triggered the light‐induced carotenoid synthesis.Keywords
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