| ALT | alternative lengthening of telomeres |
| BIR | break-induced replication |
| D-loop | displacement loop |
| DNA2i | DNA2 inhibitors |
| dNTP | deoxyribonucleotide triphosphate |
| DSB | DNA double-strand break |
| dsDNA | double-stranded DNA |
| EM | electron microscopy |
| G4 | G-quadruplex DNA |
| mtDNA | mitochondrial DNA |
| nt | nucleotide(s) |
| OFP | Okazaki fragment processing |
| Pol | DNA polymerase |
| RDR | recombination-dependent replication |
| RF | DNA replication fork |
| SF1 | superfamily 1 |
| ssDNA | single-stranded DNA |