Identification and purification of the specific antigen of Paracoccidioides brasiliensis responsible for immunoelectrophoretic band E
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Identification and purification of the specific antigen of Paracoccidioides brasiliensis responsible for immunoelectrophoretic band E
Sabouraudia.
1977 Mar.
Abstract
A new purified antigen (E2) of Paracoccidioides brasiliensis mycelial growth phase was isolated by immunoadsorption from a crude metabolic soluble extract of the fungus. The antiserum prepared in a rabbit by inoculation of E2 antigen developed only one immunodiffusion line with the crude metabolic extract. Findings on immunological analysis showed that E2 antigen is the antigenic component of immunoelectrophoretic band E. The isolated antigens did not possess detectable alkaline phosphatase activity. It reacted in immunodiffusion tests with all the sera (14/14) from P. brasiliensis infected patients containing precipitating antibodies.
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