Methods for isolating T. pallidum rare outer membrane proteins
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United States of America Patent
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Jan 13, 2004
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app pub date -
Oct 13, 1998
filing date -
Jan 6, 1994
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Abstract
Antigenic rare outer membrane proteins of Spirochaetaceae are obtained from organisms extracted from infected tissue by a novel process of isolation utilizing a discontinuous Ficoll gradient separation, release of outer membrane in a low isotonic and low pH buffer and identification of outer membrane by use of a lipid soluble dye. Four antigenic rare outer membrane proteins of T. pallidum subsp. pallidum useful in diagnosis and prophylaxis of syphilis are provided. Also provided is the amino acid sequence of a rare outer membrane protein of T. pallidum subsp. pallidum and the nucleotide sequence encoding it.
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