article 6 gene insertion sequence Polyhydroxyalkanoates 4 bacterial gene 4 polyhydroxyalkanoic acid 4 sequence homology 4 Acyltransferases 2 Antarctic Regions 2 Antarctica 2 Azotobacter 2 Azotobacter vinelandii 2 Bacteria (microorganisms) 2 Bacterial Proteins 2 Base Composition 2 Base Sequence 2 Burkholderia 2 Burkholderiales 2 Cloning, Molecular 2 DNA-Binding Proteins 2 Escherichia coli 2 Genes, Bacterial 2 Genomic Islands 2 Genomic islands 2 Hydroxybutyrates 2 Insertion sequences 2 Molecular Sequence Data 2 Open Reading Frames 2 PHA 2 PHB 2 Phylogeny 2