AlteromonasGram-Negative Aerobic BacteriaSeawaterGentian VioletPhenazinesDNA, RibosomalWater MicrobiologyRNA, Ribosomal, 16SThiocapsa roseopersicinaLaminariaSequence Analysis, DNADNA, BacterialBase CompositionGenes, rRNAChitinaseGammaproteobacteriaSargassumPacific OceanMolecular Sequence DataPhylogenyBiofoulingEcotypeBlack SeaRNA, Bacterialalpha-AmylasesBacterial Typing TechniquesQuinonesUlvaAlteromonadaceae