| UV | Ultraviolet radiation |
| Ci | Inorganic carbon |
| EPS | Extracellular polymeric substance |
| Flv | Flavodiiron protein |
| MAAs | Mycosporine-like amino acids |
| PsrR1 | Photosynthesis-related small RNA 1 |
| NsHik33 | N. sphaeroides histidine kinase 33 |
| NsRpaB | N. sphaeroides response regulator RpaB |
| PSI/PSII | Photosystems I/II |
| NADPH | Reduced nicotinamide adenine dinucleotide phosphate |
| UV-A/UV-B | Ultraviolet A/B |
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