Corals, Coral reefs, Oceans, Gene expression, Genes, Stress, Photosynthesis, Enzymes, Microorganisms, Algae, Salinity, Bacteria, Genomes, Organisms, Sulfur, Biosynthesis, environmental stress, Adults, Stresses, Reactive oxygen species, sulfur cycle, Proteolysis, Methionine, Catabolism, Osmotic stress, Breakdowns