In this study we cloned and analysed partial cDNA of tumor necrosis factor (TNF) and p75 TNF-R receptor of Syrian golden hamster (Mesocricetus auratus). We obtained a 382-bp sequence of TNF and a 148-bp sequence coding for p75 TNF-R. The primers used for the cloning were designed on the basis of inter-species homology, thus presumably can be used for cloning and analysis of TNF and p75 TNF-R genes of other mammals.
Entamoeba gingivalis normally exists in the human oral cavity, namely in the gums, and brings about some specific diseases. However, it can also trigger some more serious illnesses. Among these are infections of the genital tract, acute osteomyelitis of the mandible and pulmonary abscess. Entamoeba gingivalis identification by light microscopy is difficult, hence polymerase chain reaction (PCR) is used. The contemporary primers for PCR are complement to 18S rRNA. This article informs the reader of the process that was involved in designing new primers for three genes which were thought to be present on the Entamoeba gingivalis genome, but their sequences were unknown. The newly obtained sequences of primers have better properties for identification purposes, compared to these which are currently used.
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