Mink lung cells as a tool for detection ofMycoplasma hyorhinis contamination in cell cultures and virus stocks |
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Authors: | G. Darai L. Zöller R. M. Flügel H. Gelderblom |
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Affiliation: | 1. Institut für Medizinische Virologie der Universit?t Heidelberg, Hedelberg, Deutschland 2. Institut für Virusforschung am Deutschen Krebsforschungszentrum Heidelberg, Hedelberg, Deutschland 3. Robert-Koch-Institut des Bundesgesundheisamtes Berlin, Berlin, Deutschland
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Abstract: | Summary In an extensive host range study ofM. hyorhinis mink lung cells (MvlLu, ATCC CCL 64) were found to be the cells of choice for the propagation of this mycoplasm, which otherwise is often difficult to grow in a cell-free medium. Furthermore, rapid plaque assay and plaque purification procedures were developed forM. hyorhinis. The titer ofM. hyorhinis grew to 1×107 to 1×108 pfu/ml within three d postinoculation on mink lung cells. DNA restriction enzyme analysis of the genome ofM. hyorhinis was performed. Endonucleases Bst EII and Xho I are the most suitable enzymes for cleavingM. hyorhinis DNA into distinct fragment patterns. Thus, the use of the combination mink lung cells for mycoplasma growth with subsequent restriction enzyme analysis leads to an unamibiguous detection and identification toM. hyorhinis strains even in minute amounts. |
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Keywords: | M. hyorhinis mink lung cells restriction enzyme |
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