2Bauer F J, Rudel T, Stein M et al. Mutagenesis of the Neisseria gonorrhoeae porin reduces invasion in epithelial cells and en-hances phagocyte responsiveness. Mol Microbiol, 1999, 31:903.
3Fudyk T C, Maclean I W, Simonsen J N et al. Genetic diversity and mosaicism at the por Locus of Neisseria gonorrhoeae. J Bacteriol, 1999, 181: 5591.
4Heckels J E, Flelcher J N, Virji M. The potential protective effect of immunization with outer-membrane protein Ⅰ from Neisseria gonorrhoeae. J Gen Microbiol, 1989, 135:2269.
5Jap B K, Walian P J. Biophysics of the structure and function of porins. Rev Biophys, 1990, 23:367.
6Smabrook J. Molecular cloning: A laboratoty manual. 3rd ed. New York: Cold Spring Harbor Laboratory,1992. 1102～1145.
