Pseudomonas nonhuman Antarctic Regions Antarctica Bacteria (microorganisms) Pseudomonas extremaustralis article controlled study genetics bacterial growth metabolism physiology Cold Temperature Gene Expression Regulation, Bacterial Molecular Sequence Data adaptation bacterial gene bacterial strain cold Adaptation, Physiological Article Genes, Bacterial Hydroxybutyrates Mutation Oxidation-Reduction bacterial genome growth, development and aging priority journal real time polymerase chain reaction unclassified drug