Antarctic Regions 2 Antarctica 2 Bacteria (microorganisms) 2 DNA DNA hybridization 2 DNA, Bacterial 2 DNA, Ribosomal 2 Hydroxybutyrates 2 Molecular Sequence Data 2 Negibacteria 2 Phylogeny 2 Polyesters 2 Pseudomonas 2 Pseudomonas sensu stricto Pseudomonas veronii 2 RNA 16S 2 RNA, Ribosomal, 16S 2 acidification 2 arginine deiminase 2 article 2 bacterial growth 2 bacterial strain 2 beta galactosidase 2 casein 2 controlled study 2 denitrification 2 esculin 2 gelatin 2 gene sequence 2 hydrolysis 2 indole 2