denitrification nonhuman 10 article 8 priority journal 8 Antarctic Regions 6 Antarctica 6 Bacteria (microorganisms) 6 Molecular Sequence Data 6 Phylogeny 6 controlled study 6 gene sequence 6 hydrolysis 6 nucleotide sequence 6 Base Sequence 4 Bizionia 4 Bizionia argentinensis 4 Flavobacteriaceae 4 Genome, Bacterial 4 Pseudomonas 4 Seawater 4 bacterial genome 4 bacterium isolation 4 citric acid cycle 4 classification 4 gene expression 4 genetics 4 glycolysis 4 isolation and purification 4 microbiology 4 molecular genetics 4