AlteromonasGram-Negative Aerobic BacteriaSeawaterGentian VioletPhenazinesThiocapsa roseopersicinaLaminariaWater MicrobiologyChitinaseSargassumGammaproteobacteriaPacific OceanBiofoulingDNA, RibosomalEcotypeDNA, BacterialRNA, Ribosomal, 16SBlack SeaBase CompositionGenes, rRNAPhylogenyMolecular Sequence Dataalpha-Amylases