Publications
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2009.  Estimating and testing haplotype-trait associations in non-diploid populations.. J R Stat Soc Ser C Appl Stat. 58(5):663-678.
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2009.  Examining landscape factors influencing relative distribution of mosquito genera and frequency of virus infection.. Ecohealth. 6(2):239-49.
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2001.  Antigen polymorphism in Borrelia hermsii, a clonal pathogenic bacterium.. Proc Natl Acad Sci U S A. 98(26):15038-43.
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2001.  Lone star tick-infecting borreliae are most closely related to the agent of bovine borreliosis.. J Clin Microbiol. 39(2):494-7.
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2000.  Animal propagation and genomic survey of a genotype 1 isolate of Cryptosporidium parvum.. Mol Biochem Parasitol. 108(2):187-97.
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2000.  Extensive polymorphism in Cryptosporidium parvum identified by multilocus microsatellite analysis.. Appl Environ Microbiol. 66(8):3344-9.
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2000.  Genetic variation and the recent worldwide expansion of Plasmodium falciparum.. Gene. 261(1):161-70.
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2000.  The origin of antigenic diversity in Plasmodium falciparum.. Parasitol Today. 16(9):390-6.
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2000.  Population structure and recent evolution of Plasmodium falciparum.. Proc Natl Acad Sci U S A. 97(13):6994-7001.
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1999.  Evolution of Plasmodium and the recent origin of the world populations of Plasmodium falciparum.. Parassitologia. 41(1-3):55-68.
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1999.  Reply. Parasitol Today. 15(1):39-40.
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1998.  Malaria's Eve: evidence of a recent population bottleneck throughout the world populations of Plasmodium falciparum.. Proc Natl Acad Sci U S A. 95(8):4425-30.
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1998.  The recent origin of allelic variation in antigenic determinants of Plasmodium falciparum.. Genetics. 150(1):515-7.
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1997.  Heterogeneity of the internal transcribed spacer (ITS-2) region within individual deer ticks.. Insect Mol Biol. 6(2):123-9.
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1997.  Plasmodium falciparum antigenic diversity: evidence of clonal population structure.. Proc Natl Acad Sci U S A. 94(24):13040-5.
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1996.  Mosaic structure of plasmids from natural populations of Escherichia coli.. Genetics. 143(3):1091-100.
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1996.  A new Borrelia infecting Lone Star ticks.. Lancet. 347(8993):67-8.
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1995.  Discriminating between Ixodes ticks by means of mitochondrial DNA sequences.. Mol Phylogenet Evol. 4(4):361-5.
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1995.  Distribution of the Ixodes ricinus-like ticks of eastern North America.. Proc Natl Acad Sci U S A. 92(14):6284-8.
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1993.  Competence of Peromyscus maniculatus (Rodentia: Cricetidae) as a reservoir host for Borrelia burgdorferi (Spirochaetares: Spirochaetaceae) in the wild.. J Med Entomol. 30(3):614-8.
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1993.  Norway rats as reservoir hosts for Lyme disease spirochetes on Monhegan Island, Maine.. J Infect Dis. 168(3):687-91.

Department of Microbiology