A novel aerobic, gram-positive bacterium that is able to thrive at minus 15 degrees Celsius – the coldest temperature ever reported for bacterial growth – offers clues about microbial life on both Mars and the Saturn moon Enceladus, where similar briny subzero conditions are thought to exist, says a McGill University-led team of researchers. Planococcus halocryophilus OR1 (Nadia C S Mykytczuk et al, 2012) The team discovered the bacterium...
