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Quality Control of Biotechnological Inputs DetectingMycoplasma BABT
Netto,Cristiane; Soccol,Vanete Thomaz; Sepulveda,Lya; Garcia,Gabriel Henrique Oliveira; Timenetsky,Jorge.
The aim of this work was to study the Polymerase Chain Reaction (PCR) as a tool of quality control of bovine sera and cellular cultures used in the biotechnological industry. A total of 46 samples of bovine sera derived from two slaughterhouses and 33 samples of BHK21 cells derived from two biotechnological industries were evaluated using the primers GPO-3 (sense) and MGSO (antisense). The PCR technique sensibility analysis showed that 280 bp were amplified for the quantities of 50 ng to 0.006 ng of Micoplasma DNA. The primers specificity was confirmed in the test using Staphylococcus aureus, Escherichia coli, Bacillus subtilisand Candida albicans; except by the positive control, none of the samples showed amplification. The presence of Mycoplasma in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: PCR; Bovine serum; BHK21 cells; Mycoplasma; Cellular culture.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000200239
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Experimental infection of BHK21 and Vero cell lines with different Mycoplasma spp. BJM
Netto,Cristiane; Soccol,Vanete Thomaz; Sepulveda,Lya Madureira; Timenetsky,Jorge.
Mycoplasma spp, belongs to the class Mollicutes and is capable to produce alterations in cellular cultures causing damages to the biotechnological industry. Bioproducts generally require two essential inputs, bovine serum and cells. The study herein aims to evaluate the mycoplasma concentrations that affect the growing of BHK21 and Vero cells. The species used were: Mycoplasma orale, M. salivarium, M. arginini and M. hyorhinis, cultivated in a SP4 media. Two contamination tests were performed with BHK21 and Vero cells and one of them applied different concentrations of mycoplasma. In the first one, mycoplasma was applied at the day zero and, in the second one, the contamination was performed after the monolayer establishment. The both cellular cultures...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growth reduction; PCR; Biotechnological products.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400048
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