A radiomimetic effect of hydrogen peroxide on bacterial luminescence |
| |
| Affiliation: | 1. Department of Physics, Abdul Wali Khan University, Mardan 23200, Pakistan;2. Physics Program, Faculty of Science and Technology, Rajabhat University, Nakhon Pathom 73000, Thailand;3. Center of Excellence in Glass Technology and Materials Science (CEGM), Nakhon Pathom Rajabhat University, Nakhon Pathom 73000, Thailand;4. Department of Physics, Kyungpook National University, Deagu 702-701, Republic of Korea |
| |
| Abstract: | Hydrogen peroxide (H2O2) in appropriate doses was found to mimic the reversible X-ray suppression of bacterial luminescence. Catalase protected against this suppression both by X-rays and H2O2, but albumin did not. Luminescence did not recover until H2O2 was destroyed. These results support our hypothesis that reduced intermediates of the luminescent pathway are reversibly oxidized by both X-rays and H2O2. Cyanide enhanced the effects of both X-rays and H2O2 and this result suggests that endogenous catalase is important to the survival of cells exposed to ionizing radiation. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
