PMID: 592041Dec 1, 1977

Establishment and characterization of a diploid cell line from the tick, Dermacentor parumapertus Neumann (Acarina: Ixodidae)

The Journal of Parasitology
U K Bhat, C E Yunker


Establishment of a continuous cell line (RML-14) from embryonic tissues of the tick Dermacentor parumapertus Neumann is reported. The culture medium employed consisted of a combination (2:1) of Eagle's and L-15 (Leibovitz) media supplemented with 20% fetal bovine serum, 10% tryptose phosphate broth, and 0.1% bovine plasma albumin. At the 8th passage, 99% of dividing cells had the female chromosome complement, among which more than 70% had a diploid chromosome number of 22. At the 13th passage, cell population showed approximately a 3-fold increase during the first 8 days of culture. As of December 1976, had been subcultured 40 times.

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Diploid Cell

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