DNA Testing has become very popular. Even ordinary individuals can order DNA Testing. For companies that deals with cell development, mycoplasma rapid test is a test that they are very familiar with. But for ordinary individuals who are not very concern about anything that has to do with Cell line and other related stuff, this kind of test doesn't mean a thing to them.
In the field of biology, I am sure that the often do this kind of test and any other different testing. Authenticating cell cultures is one of the processes that verifies the identity of the cell line and to rule out mycoplasma in your cell cultures, there are tests that can be performed.