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Eppinger, M., Baar, C., Linz, B., Raddatz, G., Lanz, C., Keller, H., Morelli, G., Gressmann, H., Achtman, M., Schuster, S.C. 2006. Who ate whom? Adaptive Helicobacter genomic changes that accompanied a host jump from early humans to large felines. PLoS Genetics 2, e120

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Wirth, T., Meyer, A., and Achtman, M. 2005. Deciphering host migrations and origins by means of their microbes. Mol.Ecol. 14: 3289-3306.

Momynaliev, K.T., Chelysheva, V.V., Acopian, T.A., Selezneva, O.V., Linz, B., Achtman, M., and Govorun, V.M. 2005. Population identification of Helicobacter pylori isolates from Russia. Genetika 41: 1182-1185.

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Achtman, M. 2004. Age, descent and genetic diversity within Yersinia pestis. In Yersinia Molecular and Cellular Biology. Carniel, E., Hinnebusch, B.J. eds.. Wymondham, UK: Horizon BioScience, pp. 17-29.

Achtman,M. 2004. Population structure of pathogenic bacteria revisited. Int. J. Med. Microbiol. 294, 67-73.

Bernardini, G., Renzone, G., Comanducci, M., Mini, R., Arena, S., D'Ambrosio, C., Bambini, S., Trabalzini, L., Grandi, G., Martelli, P., Achtman, M., Scaloni, A., Ratti, G., and Santucci, A. 2004. Proteome analysis of Neisseria meningitidis serogroup A. Proteomics. 4: 2893-2926.

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Achtman, M. 2003. Successful prevention of meningitis in Africa will need more than a vaccination strategy. Bull. World Hlth. Org. 81:754-755.

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Achtman, M. and Morelli, G. (2001). Pulsed-Field Gel Electrophoresis. In "Meningococcal Disease: Methods and Protocols" (A. J. Pollard and M. C. J. Maiden, Eds.), Vol. 67, pp. 147-155. Humana Press Inc., Totowa, NJ.

Achtman, M. (2001). Population structure of Helicobacter pylori and other pathogenic bacterial species. In "Helicobacter pylori: Molecular and cellular biology" (M. Achtman and S. Suerbaum, Eds.), pp. 311-321. Horizon Scientific Press, Wymondham, UK.

Achtman, M., van der Ende, A., Zhu, P., Koroleva, I. S., Kusecek, B., Morelli, G., Schuurman, I. G. A., Brieske, N., Zurth, K., Kostyukova, N. N., and Platonov, A. E. (2001). Molecular epidemiology of four successive waves of serogroup A meningitis in Moscow, Russia between 1969 and 1997. Emerging Infectious Diseases 7, 420-427.

Achtman, M. and Suerbaum, S. (2001). "Helicobacter pylori: Molecular and cellular biology." Horizon Scientific Press, Wymondham, UK.

Bart, A., Barnabé, C., Achtman, M., Dankert, J., van der Ende, A., and Tibayrenc, M. (2001). Strong linkage disequilibrium between different genetic markers challenges the epidemic clonality model in Neisseria meningitidis serogroup A isolates. Infection, Genetics and Evolution 1, 117-122.

Falush, D., Kraft, C., Taylor, N. S., Correa, P., Fox, J. G., Achtman, M., and Suerbaum, S. (2001). Recombination and mutation during long-term gastric colonization by Helicobacter pylori: Estimates of clock rates, recombination size and minimal age. Proceedings of the National Academy 98, 15056-15061.

Prince, S. M., Feron, C., Janssens, D., Lobet, Y., Achtman, M., Kusecek, B., Bullough, P. A., and Derrick, J. P. (2001). Expression, refolding and crystallization of the OpcA invasin from Neisseria meningitidis. Acta Crystallogr.D.Biol.Crystallogr. 57, 1164-1166.

Suerbaum, S. and Achtman, M. (2001). Population genetics. In "Helicobacter pylori: Physiology and genetics" (H. L. T. Mobley, G. L. Mendz, and S. L. Hazell, Eds.), pp. 355-361. ASM Press, Washington,D.C.

Zhu, P., van der Ende, A., Falush, D., Brieske, N., Morelli, G., Linz, B., Popovic, T., Schuurman, I. G. A., Adegbola, R. A., Zurth, K., Gagneux, S., Platonov, A. E., Riou, J.-Y., Caugant, D. A., Nicolas, P., and Achtman, M. (2001). Fit genotypes and escape variants of subgroup III Neisseria meningitidis during three pandemics of epidemic meningitis. Proceedings of the National Academy 98, 5234-5239.

Achtman, M. and Suerbaum, S. (2000). Sequence variation in Helicobacter pylori. Trends in Microbiology 8, 57-58.

Gagneux, S., Hodgson, A., Erhard, I., Morelli, G., Genton, B., Smith, T., Tanner, M., Binka, F., Achtman, M., and Pluschke, G. (2000). Microheterogeneity of serogroup A (subgroup III) Neisseria meningitidis during an outbreak in northern Ghana. Tropical Medicine and International Health 5, 280-287.

Klee, S. R., Nassif, X., Kusecek, B., Merker, P., Beretti, J.-L., Achtman, M., and Tinsley, C. R. (2000). Molecular and biological analysis of eight genetic islands that distinguish Neisseria meningitidis from the closely related pathogen Neisseria gonorrhoeae. Infection and Immunity 68, 2082-2095.

Linz, B., Schenker, M., Zhu, P., and Achtman, M. (2000). Frequent interspecific genetic exchange between commensal neisseriae and Neisseria meningitidis. Molecular Microbiology 36, 1049-1058.

Muenzner, P., Dehio, C., Fujiwara, T., Achtman, M., Meyer, T. F., and Gray-Owen, S. D. (2000). Carcinoembryonic antigen family receptor specificity of Neisseria meningitidis Opa variants influences adherence to and invasion of proinflammatory cytokine-activated endothelial cells. Infection and Immunity 68, 3601-3607.

Parkhill, J., Achtman, M., James, K. D., Bentley, S. D., Churcher, C., Klee, S. R., Morelli, G., Basham, D., Brown, D., Chillingworth, T., Davies, R. M., Devlin, K., Feltwell, T., Hamlin, N., Holroyd, S., Jagels, K., Leather, S., Moule, S., Mungall, K., Quail, M. A., Rajandream, M.-A., Rutherford, K. M., Simmonds, M., Skelton, J., Stevens, K., Whitehead, S., Spratt, B. G., and Barrell, B. G. (2000). Complete DNA sequence of a serogroup A strain of Neisseria meningitidis Z2491. Nature (London) 404, 502-506.

Taha, M.-K., Achtman, M., Alonso, J.-M., Greenwood, B., Ramsay, M., Fox, A., Gray, S., and Kaczmarski, E. (2000). Serogroup W135 meningococcal disease in Hajj pilgrims. Lancet 356, 2159.

Wang, J., Jarvis, G. A., Achtman, M., Rosenqvist, E., Michaelsen, T. E., Aase, A., and Griffiss, J. M. (2000). Functional activities and immunoglobulin variable regions of human and murine monoclonal antibodies specific for the P1.7 PorA protein loop of Neisseria meningitidis. Infection and Immunity 68, 1871-1878.

Achtman, M., Zurth, K., Morelli, G., Torrea, G., Guiyoule, A., and Carniel, E. (1999). Yersinia pestis, the cause of plague, is a recently emerged clone of Yersinia pseudotuberculosis. Proceedings of the National Academy 96, 14043-14048.

Achtman, M., Azuma, T., Berg, D. E., Ito, Y., Morelli, G., Pan, Z.-J., Suerbaum, S., Thompson, S., van der Ende, A., and van Doorn, L. J. (1999). Recombination and clonal groupings within Helicobacter pylori from different geographical regions. Molecular Microbiology 32, 459-470.

Brieske, N., Schenker, M., Schnibbe, T., Quentin-Millet, M.-J., and Achtman, M. (1999). Human antibody responses to A and C capsular polysaccharides, IgA1 protease and transferrin-binding protein complex stimulated by infection with Neisseria meningitidis of subgroup IV-1 or ET-37 complex. Vaccine 17, 731-744.

Collins, R., Achtman, M., Ford, R., Bullough, P., and Derrick, J. (1999). Projection structure of reconstituted Opc outer membrane protein from Neisseria meningitidis. Molecular Microbiology 32, 217-219.

Feil, E. J., Maiden, M. C., Achtman, M., and Spratt, B. G. (1999). The relative contribution of recombination and mutation to the divergence of clones of Neisseria meningitidis. Molecular Biology of Evolution 16, 1496-1502.

Suerbaum, S. and Achtman, M. (1999). Evolution of Helicobacter pylori: the role of recombination. Trends in Microbiology 7, 182-184.

Zhu, P., Morelli, G., and Achtman, M. (1999). The opcA and YopcB regions in Neisseria: genes, pseudogenes, deletions, insertion elements and DNA islands. Molecular Microbiology 33, 635-650.

Achtman, M. (1998). Microevolution during epidemic spread of Neisseria meningitidis. Electrophoresis 19, 593-596.

Bart, A., Schuurman, I. G. A., Achtman, M., Caugant, D. A., Dankert, J., and van der Ende, A. (1998). Random amplified polymorphic DNA (RAPD) genotyping of serogroup A meningococci yields similar results to multilocus enzyme electrophoresis (MEE) and reveals new genotypes. Journal of Clinical Microbiology 36, 1746-1749.

Hobbs, M. M., Malorny, B., Prasad, P., Morelli, G., Kusecek, B., Heckels, J. E., Cannon, J. G., and Achtman, M. (1998). Recombinational reassortment among opa genes from ET-37 complex Neisseria meningitidis isolates of diverse geographic origins. Microbiology 144, 157-166.

Kwara, A., Adegbola, R. A., Corrah, P. T., Weber, M., Achtman, M., Morelli, G., Caugant, D. A., and Greenwood, B. M. (1998). Meningitis caused by a serogroup W135 clone of the ET-37 complex of Neisseria meningitidis in West Africa. Tropical Medicine and International Health 3, 742-746.

Maiden, M. C. J., Bygraves, J. A., Feil, E., Morelli, G., Russell, J. E., Urwin, R., Zhang, Q., Zhou, J., Zurth, K., Caugant, D. A., Feavers, I. M., Achtman, M., and Spratt, B. G. (1998). Multilocus sequence typing: a portable approach to the identification of clones within populations of pathogenic microorganisms. Proceedings of the National Academy 95, 3140-3145.

Malorny, B., Morelli, G., Kusecek, B., Kolberg, J., and Achtman, M. (1998). Sequence diversity, 2-D protein structure and epitope mapping of neisserial Opa proteins. Journal of Bacteriology 180, 1323-1330.

Suerbaum, S., Maynard Smith, J., Bapumia, K., Morelli, G., Smith, N. H., Kunstmann, E., Dyrek, I., and Achtman, M. (1998). Free recombination within Helicobacter pylori. Proceedings of the National Academy 95, 12619-12624.

Vogel, U., Morelli, G., Zurth, K., Claus, H., Kriener, E., Achtman, M., and Frosch, M. (1998). Necessity of molecular techniques to distinguish between Neisseria meningitidis isolated from meningococcal disease and from their healthy contacts. Journal of Clinical Microbiology 36, 2465-2470.

Achtman, M. (1997). Microevolution and epidemic spread of serogroup A Neisseria meningitidis - a review. Gene 192, 135-140.

Achtman, M. (1997). Spread of serogroup A meningococci: a paradigm for bacterial microevolution. In "Ecology of pathogenic bacteria. Molecular and evolutionary aspects" (B. A. M. Van der Zeijst, W. P. M. Hoekstra, J. D. A. Van Embden, and A. J. W. van Alphen, Eds.), pp. 215-223. North-Holland, Amsterdam.

Merker, P., Tommassen, J., Virji, M., Sesardic, D., and Achtman, M. (1997). Two-dimensional structure of the Opc invasin from Neisseria meningitidis. Molecular Microbiology 23, 281-293.

Morelli, G., Malorny, B., Müller, K., Seiler, A., Wang, J., del Valle, J., and Achtman, M. (1997). Clonal descent and microevolution of Neisseria meningitidis during 30 years of epidemic spread. Molecular Microbiology 25, 1047-1064.

Thiesen, B., Greenwood, B., Brieske, N., and Achtman, M. (1997). Persistence of antibodies to meningococcal IgA1 protease versus decay of antibodies to group A polysaccharide and Opc protein. Vaccine 15, 209-219.

Achtman, M. (1996). A surfeit of YATMs? Journal of Clinical Microbiology 34, 1870.

Koumaré, B., Achtman, M., Bougoudogo, F., Cisse, M., and Wang, J. F. (1996). Molecular epidemiology of meningitis due to Neisseria meningitidis in Mali: Isolation of a new variant (P1.y) of the class 1 protein. Bulletin of the World Health Organization 74, 375-379.

Maiden, M. C. J., Malorny, B., and Achtman, M. (1996). A global gene pool in the neisseriae. Molecular Microbiology 21, 1297-1298.

Malorny, B., Maiden, M. C. J., and Achtman, M. (1996). The porA alleles are identical in subgroup III serogroup A Neisseria meningitidis strains isolated in China in the 1960s and 1980s. Journal of Clinical Microbiology 34, 1548-1550.

Seiler, A., Reinhardt, R., Sarkari, J., Caugant, D. A., and Achtman, M. (1996). Allelic polymorphism and site-specific recombination in the opc locus of Neisseria meningitidis. Molecular Microbiology 19, 841-856.

Wiertz, E. J. H. J., Delvig, A., Donders, E. M. L. M., Brugghe, H. F., Van Unen, L. M. A., Timmermans, H. A. M., Achtman, M., Hoogerhout, P., and Poolman, J. T. (1996). T-cell responses to outer membrane proteins of Neisseria meningitidis: comparative study of Opa, Opc, and PorA proteins. Infection and Immunity 64, 298-304.

Achtman, M. (1995). Epidemic spread and antigenic variability of Neisseria meningitidis. Trends in Microbiology 3, 186-192.

Achtman, M. (1995). Global epidemiology of meningococcal disease. In "Meningococcal Disease" (K. Cartwright, Ed.), pp. 159-175. John Wiley & Sons, Ltd, Chichester, England.

Delvig, A. A., Wedege, E., Caugant, D. A., Dalseg, R., Kolberg, J., Achtman, M., and Rosenqvist, E. (1995). A linear B-cell epitope on the class 3 outer-membrane protein of Neisseria meningitidis recognized after vaccination with the Norwegian group B outer-membrane vesicle vaccine. Microbiology 141, 1593-1600.

Delvig, A. A., Koumaré, B., Glaser, R. W., Wang, J., Jahn, S., and Achtman, M. (1995). Comparison of three human-murine heteromyeloma cell lines for formation of human hybridomas after electrofusion with human peripheral blood lymphocytes from meningococcal cases and carriers. Human Antibodies and Hybridomas 6, 42-46.

Achtman, M. (1994). Clonal spread of serogroup A meningococci. A paradigm for the analysis of microevolution in bacteria. Molecular Microbiology 11, 15-22.

Delvig, A., Jahn, S., Kusecek, B., Heckels, J. E., Rosenqvist, E., Høiby, E. A., Michaelsen, T. E., and Achtman, M. (1994). A comparison of human and murine monoclonal IgGs specific for the P1.7 PorA protein of Neisseria meningitidis. Molecular Immunology 31, 1257-1267.

Hobbs, M. M., Seiler, A., Achtman, M., and Cannon, J. G. (1994). Microevolution within a clonal population of pathogenic bacteria: recombination, gene duplication and horizontal genetic exchange in the opa gene family of Neisseria meningitidis. Molecular Microbiology 12, 171-180.

Morelli, G., Müller, K., Kusecek, B., Achtman, M., Lammel, C. J., Brooks, G. F., Pohlner, J., Meyer, T. F., and Blake, M. (1994). Epitopes to IgA1 protease of serogroup A meningococci. In "Pathobiology and immunobiology of Neisseriaceae" (C. J. Conde-Glez, S. Morse, P. Rice, F. Sparling, and E. Calderón, Eds.), pp. 543-548. INSP, Cuernavaca, Mexico.

Morelli, G., del Valle, J., Lammel, C. J., Pohlner, J., Müller, K., Blake, M., Brooks, G. F., Meyer, T. F., Koumaré, B., Brieske, N., and Achtman, M. (1994). Immunogenicity and evolutionary variability of epitopes within IgA1 protease from serogroup A Neisseria meningitidis. Molecular Microbiology 11, 175-187.

Sarkari, J., Pandit, N., Moxon, E. R., and Achtman, M. (1994). Variable expression of the Opc outer membrane protein in Neisseria meningitidis is caused by size variation of a promoter containing poly-cytidine. Molecular Microbiology 13, 207-217.

Suker, J., Feavers, I. M., Achtman, M., Morelli, G., Wang, J.-F., and Maiden, M. C. J. (1994). The porA gene in serogroup A meningococci: evolutionary stability and mechanism of genetic variation. Molecular Microbiology 12, 253-265.

Achtman, M. (1993). Clonal and variable properties of Neisseria meningitidis. Journal of Medical Microbiology 39, 4-7.

Rosenqvist, E., Høiby, E. A., Wedege, E., Kusecek, B., and Achtman, M. (1993). The 5C protein of Neisseria meningitidis is highly immunogenic in humans and induces bactericidal antibodies. Journal of Infectious Diseases 167, 1065-1073.

Virji, M., Makepeace, K., Ferguson, D. J. P., Achtman, M., and Moxon, E. R. (1993). Meningococcal Opa and Opc proteins: their role in colonization and invasion of human epithelial and endothelial cells. Molecular Microbiology 10, 499-510.

Wang, J.-F., Caugant, D. A., Morelli, G., Koumaré, B., and Achtman, M. (1993). Antigenic and epidemiological properties of the ET-37 complex of Neisseria meningitidis. Journal of Infectious Diseases 167, 1320-1329.

Achtman, M., Kusecek, B., Morelli, G., Eickmann, K., Wang, J., Crowe, B., Wall, R. A., Hassan-King, M., Moore, P. S., and Zollinger, W. (1992). A comparison of the variable antigens expressed by clone IV-1 and subgroup III of Neisseria meningitidis serogroup A. Journal of Infectious Diseases 165, 53-68.

Achtman, M. and Hakenbeck, R. (1992). Recent developments regarding the evolution of pathogenic bacteria. In "Molecular biology of bacterial infection: Current status and future perspectives" (C. Hormaeche, C. W. Penn, and C. J. Smyth, Eds.), pp. 13-31. Cambridge University Press, Cambridge.

Brooks, G. F., Lammel, C. J., Blake, M. S., Kusecek, B., and Achtman, M. (1992). Antibodies against IgA1 protease are stimulated both by clinical disease and by asymptomatic carriage of serogroup A Neisseria meningitidis. Journal of Infectious Diseases 166, 1316-1321.

Virji, M., Makepeace, K., Ferguson, D. J. P., Achtman, M., Sarkari, J., and Moxon, E. R. (1992). Expression of the Opc protein correlates with invasion of epithelial and endothelial cells by Neisseria meningitidis. Molecular Microbiology 6, 2785-2795.

Wang, J.-F., Caugant, D. A., Li, X., Hu, X., Poolman, J. T., Crowe, B. A., and Achtman, M. (1992). Clonal and antigenic analysis of serogroup A Neisseria meningitidis with particular reference to epidemiological features of epidemic meningitis in China. Infection and Immunity 60, 5267-5282.

Achtman, M., Kohl, P., Marchal, C., Morelli, G., Seiler, A., and Thiesen, B. (1991). "Neisseriae 1990." Walter de Gruyter, Berlin.

Achtman, M., Wall, R. A., Bopp, M., Kusecek, B., Morelli, G., Saken, E., and Hassan-King, M. (1991). Variation in Class 5 protein expression by serogroup A meningococci during a meningitis epidemic. Journal of Infectious Diseases 164, 375-382.

Achtman, M. (1991). Clonal properties of meningococci from epidemic meningitis. Transactions of the Royal Society of Tropical Medicine and Hygiene 85, Supplement 1, 24-31.

Olyhoek, A. J. M., Sarkari, J., Bopp, M., Morelli, G., and Achtman, M. (1991). Cloning and expression in Escherichia coli of opc, the gene for an unusual class 5 outer membrane protein from Neisseria meningitidis. Microbial Pathogenesis 11, 249-257.

Achtman, M. (1990). Molecular epidemiology of epidemic bacterial meningitis. Reviews in Medical Microbiology 1, 29-38.

Bläsius, R., Strittmatter, W., Crowe, B., and Achtman, M. (1990). Two distinct outer membrane serotype subcomplexes of Neisseria meningitidis serogroup A. Infection and Immunity 58, 2008-2010.

Salih, M. A. M., Danielsson, D., Bäckman, A., Caugant, D. A., Achtman, M., and Olcén, P. (1990). Characterization of epidemic and non-epidemic Neisseria meningitidis serogroup A strains from Sudan and Sweden. Journal of Clinical Microbiology 28, 1711-1719.

Crowe, B. A., Wall, R. A., Kusecek, B., Neumann, B., Olyhoek, T., Abdillahi, H., Hassan-King, M., Greenwood, B. M., Poolman, J. T., and Achtman, M. (1989). Clonal and variable properties of Neisseria meningitidis isolated from cases and carriers during and after an epidemic in the Gambia, West Africa. Journal of Infectious Diseases 159, 686-700.

Achtman, M., Crowe, B. A., Olyhoek, A., Strittmatter, W., and Morelli, G. (1988). Recent results on epidemic meningococcal meningitis. Journal of Medical Microbiology 26, 172-177.

Achtman, M., Neibert, M., Crowe, B. A., Strittmatter, W., Kusecek, B., Weyse, E., Walsh, M. J., Slawig, B., Morelli, G., Moll, A., and Blake, M. (1988). Purification and characterization of eight class 5 outer membrane protein variants from a clone of Neisseria meningitidis serogroup A. Journal of Experimental Medicine 168, 507-525.

Olyhoek, T., Crowe, B. A., and Achtman, M. (1987). Clonal population structure of Neisseria meningitidis serogroup A isolated from epidemics and pandemics between 1915 and 1983. Reviews of Infectious Diseases 9, 665-692.

Achtman, M., Heuzenroeder, M., Kusecek, B., Ochman, H., Caugant, D. A., Selander, R. K., Väisänen-Rhen, V., Korhonen, T. K., Stuart, S., Ærskov, F., and Ærskov, I. (1986). Clonal analysis of Escherichia coli O2:K1 isolated from diseased humans and animals. Infection and Immunity 51, 268-276.

Achtman, M. and Pluschke, G. (1986). Clonal analysis of descent and virulence among selected Escherichia coli. Annual Reviews of Microbiology 40, 185-210.

Moll, A., Kusecek, B., Pluschke, G., Morelli, G., Kamke, M., Jann, B., Jann, K., and Achtman, M. (1986). A reexamination of the O1 lipopolysaccharide antigen group of Escherichia coli. Infection and Immunity 53, 257-263.

Pluschke, G., Moll, A., Kusecek, B., and Achtman, M. (1986). Sodium dodecyl sulfate-polyacrylamide gel electrophoresis and monoclonal antibodies as tools for the subgrouping of Escherichia coli lipopolysaccharide O18 and O23 antigens. Infection and Immunity 51, 286-293.

Kusecek, B., Wloch, H., Mercer, A., Väisänen, V., Pluschke, G., Korhonen, T., and Achtman, M. (1984). Lipopolysaccharide, capsule, and fimbriae as virulence factors among O1, O7, O16, O18, or O75 and K1, K5, or K100 Escherichia coli. Infection and Immunity 43, 368-379.

Mercer, A. A., Morelli, G., Mercer, V., Heuzenroeder, M., Kamke, M., and Achtman, M. (1984). Conservation of plasmids among Escherichia coli K1 isolates of diverse origins. Infection and Immunity 43, 368-379.

Pluschke, G. and Achtman, M. (1984). Degree of antibody-independent activation of the classical complement pathway by K1 Escherichia coli differs with O antigen type and correlates with virulence of meningitis in newborns. Infection and Immunity 43, 684-692.

Achtman, M., Mercer, A., Kusecek, B., Pohl, A., Heuzenroeder, M., Aaronson, W., Sutton, A., and Silver, R. P. (1983). Six widespread bacterial clones among Escherichia coli K1 isolates. Infection and Immunity 39, 315-335.

Pluschke, G., Mayden, J., Achtman, M., and Levine, R. P. (1983). Role of the capsule and the O antigen in resistance of O18:K1 Escherichia coli to complement-mediated killing. Infection and Immunity 42, 907-913.

Pluschke, G., Mercer, A., Kusecek, B., Pohl, A., and Achtman, M. (1983). Induction of bacteremia in newborn rats by Escherichia coli is correlated with only certain O (lipopolysaccharide) antigen types. Infection and Immunity 39, 599-608.

Beutin, L., Manning, P. A., Achtman, M., and Willetts, N. (1981). sfrA and sfrB products of Escherichia coli K-12 are transcriptional control factors. Journal of Bacteriology 145, 840-844.

Manning, P. A., Morelli, G., and Achtman, M. (1981). traG protein of the F sex factor of Escherichia coli K-12 and its role in conjugation. Proceedings of the National Academy 78, 7487-7491.

Achtman, M., Manning, P. A., Kusecek, B., Schwuchow, S., and Willetts, N. (1980). A genetic analysis of F sex factor cistrons needed for surface exclusion in Escherichia coli. Journal of Molecular Biology 138, 779-795.

Manning, P. A., Beutin, L., and Achtman, M. (1980). Outer membrane of Escherichia coli: Properties of the F sex factor traT protein which is involved in surface exclusion. Journal of Bacteriology 142, 285-294.

Beutin, L. and Achtman, M. (1979). Two Escherichia coli chromosomal cistrons sfrA and sfrB, which are needed for expression of F factor tra functions. Journal of Bacteriology 139, 730-737.

Folkhard, W., Leonard, K. R., Malsey, S., Marvin, D. A., Dubochet, J., Engel, A., Achtman, M., and Helmuth, R. (1979). X-ray diffraction and electron microscope studies on the structure of bacterial F pili. Journal of Molecular Biology 130, 145-160.

Achtman, M., Morelli, G., and Schwuchow, S. (1978). Cell-cell interactions in conjugating Escherichia coli : role of F pili and fate of mating aggregates. Journal of Bacteriology 135, 1053-1061.

Helmuth, R. and Achtman, M. (1978). Cell-cell interactions in conjugating Escherichia coli : Purification of F pili with biological activity. Proceedings of the National Academy 75, 1237-1241.

Thompson, R. and Achtman, M. (1978). The control region of the F sex factor DNA transfer cistrons: Restriction mapping and DNA cloning. Molecular and General Genetics 165, 295-304.

Timmis, K. N., Andrés, I., and Achtman, M. (1978). Fertility repression of F-like conjugative plasmids: Physical mapping of the R6-5 finO and finP cistrons and identification of the finO protein. Proceedings of the National Academy 75, 5836-5840.


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