Article 2 RNA 16S 2 controlled study 2 marine bacterium marine environment 2 naphthalene 2 nonhuman 2 sea water 2 Cycloclasticus 1 Gulf of Mexico 1 Hydrocarbon degradation 1 Intracellular sensing 1 Marine oil snow 1 Microbial aggregate 1 PAH degradation 1 Polycyclic aromatic hydrocarbons 1 RNA 1 Signal transduction system 1 antibiotic agent 1 bacterial aggregate 1 bacterial metabolism 1 bacterial strain 1 bacterium culture 1 bacterium mutant 1 biogeochemical cycling 1 carbon 14 1 catalysis 1 coastal waters 1 community structure 1 diguanylate cylase 1