| Ala | L-alanine |
| AP | Apurinic/apyrimidinic |
| CFU | Colony forming unit |
| LD90 | Lethal dose required to kill 90% of the spore population |
| FTIR | Fourier transform infrared |
| GCR | Galactic cosmic radiation |
| Glu | D-glucose |
| GRs | Germinant receptors |
| HIMAC | Heavy ion medical accelerator center |
| HZE | Heavy charge energy |
| IR | Ionizing radiation |
| LET | Linear energy transfer |
| NHEJ | Non-homologous end joining |
| NIRS | National Institute for Radiological Sciences |
| OD | Optical density |
| ROS | Radical oxygen species |
| SASP | Small acid soluble proteins |
| SHV | Shallow hydrothermal vents |
| TSA | Tryptone soy agar |
| TSA1 | Tryptone soy agar with 1% NaCl |
| Val | L-valine |
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