| isolation and characterization of a novel gamma-radiation-resistant bacterium from hot spring in iran. | 30 pure colonies with various colors and shapes were isolated from the samples of water and mud which were collected from the abe-siah hot springs in ramsar, a city in north of iran, with high-level of radiation (up to 4 gy). colonies were irradiated by 22 kgy radiations and only one of them survived. the survived bacterium with an optimum growth of 30 to 37 degrees c, ph 6 to 7, and at minimum of 5% nacl concentration showed promising characteristics. this strain is aerobic, mesophilic, white c ... | 2009 | 19253326 |