| Strain | PCR product |
| cb-egl-5(+) [AF16] | ~1,700 bp |
| cb-egl-5(bdP1) [HK104, HK105, VT847] | ~1,500 bp |
| cb-egl-5(bdP2) [PB800] | ~1,400 bp |
| Strain | PCR product |
| cb-mes-2(+) [AF-16] | ~990 bp |
| cb-mes-2(bdP4) [HK104] | ~880 bp |
| Strain | Dra I cut |
| cb-mes-4(+) [AF-16] | None |
| cb-mes-4(bdP3) [HK104] | 680 bp + 227 bp |