Biological System and Cultural Condition Thermus thermophilus strain Samu-SA1 (DSM 15284, ATTC BAA-951) was isolated from the Mount Grillo (Baia, Naples, Italy) hot springs. It was grown at 75 ◦C in a 2 L bioreactor (Biostat-D, Bangalore, India) using 1 liter of medium (TH) ...