Oxygen and hydrogen peroxide enhance light-induced carotenoid synthesis in Neurospora crassa

被引：64

作者：

Iigusa, H ^{[1
]}

Yoshida, Y ^{[1
]}

Hasunuma, K ^{[1
]}

机构：

[1] Yokohama City Univ, Grad Sch Integrated Sci, Kihara Inst Biol Res, Totsuka Ku, Yokohama, Kanagawa 2440813, Japan

来源：

FEBS LETTERS | 2005年 / 579卷 / 18期

基金：

日本学术振兴会;

关键词：

reactive oxygen species; carotenoid; oxygen; hydrogen peroxide; Neurospora crassa;

D O I：

10.1016/j.febslet.2005.06.014

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

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 O-2 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 O-2 gas triggered the light-induced carotenoid synthesis. (c) 2005 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.

引用

页码：4012 / 4016

页数：5

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