Mycoplasma
- discard cell line and use new aliquot of cell line
- or treat cell line with antibiotics (cytotoxic, time-consuming, resistance): protocol
SMRV
- discard cell line and use new batch of cell line
- or keep in S2
Cross-contamination with another cell line
- discard cell line and use new batch of cell line
- or retest in two weeks (a minor cross-contamination might be outgrown by the original cell line)
- or start a new cell line with single cell clones (time-consuming)