Physiological characteristics of bacteria isolated from water brines within permafrost
In the Arctic there are lenses of overcooled water brines (cryopegs) sandwiched within permafrost marine sediments 100–120 thousand years old. We have investigated the physiological properties of the pure cultures of anaerobic Clostridium sp. strain 14D1 and two strains of aerobic bacteria Psychrobacter sp. isolated from these cryopegs. The structural and physiological characteristics of new bacteria from water brines have shown their ability to survive and develop under harsh conditions, such as subzero temperatures and high salinity.(Published Online August 5 2004)
(Received August 28 2003)
(Accepted January 29 2004)
Key Words: adaptation; Clostridium sp; permafrost; Psychrobacter sp; water brines.