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Giovanni Widmer

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Cryptosporidiosis

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TOP 3
Giovanni Widmer; Paul Hunt; Yongsun Lee; Axel Martinelli; Max Tolkoff; Kip Bodi
Comparative genome analysis of two Cryptosporidium parvum isolates with different host range.
Abhineet S Sheoran; Pradeep Singh; Giovanni Widmer; Anthony Wiffin; Saul Tzipori
Infection with Cryptosporidium hominis provides incomplete protection of the host against Cryptosporidium parvum.
Giovanni Widmer; S Sullivan
Genomics and population biology of Cryptosporidium species.

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All Publications

2012: Giovanni Widmer; Paul Hunt; Yongsun Lee; Axel Martinelli; Max Tolkoff; Kip Bodi
Comparative genome analysis of two Cryptosporidium parvum isolates with different host range.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2012;12(6):1213-21.
2012: Abhineet S Sheoran; Pradeep Singh; Giovanni Widmer; Anthony Wiffin; Saul Tzipori
Infection with Cryptosporidium hominis provides incomplete protection of the host against Cryptosporidium parvum.
The Journal of infectious diseases 2012;205(6):1019-23.
2012: Giovanni Widmer; S Sullivan
Genomics and population biology of Cryptosporidium species.
Parasite immunology 2012;34(2-3):61-71.
2011: Cynthia L Chappell; Rebecca C Langer-Curry; Pablo C Okhuysen; Donna E Akiyoshi; Giovanni Widmer; Saul Tzipori
Cryptosporidium meleagridis: infectivity in healthy adult volunteers.
The American journal of tropical medicine and hygiene 2011;85(2):238-42.
2011: Z Faghiri; R Bonilla Santiago; Z Wu; Giovanni Widmer
High-throughput screening in suboptimal growth conditions identifies agonists of Giardia lamblia proliferation.
Parasitology 2011;138(2):194-200.
2011: Zahra Faghiri; Giovanni Widmer
A comparison of the Giardia lamblia trophozoite and cyst transcriptome using microarrays.
BMC microbiology 2011;11():91.
2010: Giovanni Widmer; Yongsun Lee
Comparison of single- and multilocus genetic diversity in the protozoan parasites Cryptosporidium parvum and C. hominis.
Applied and environmental microbiology 2010;76(19):6639-44.
2010: Yi-Lin Yang; Gregory A Buck; Giovanni Widmer
Cell sorting-assisted microarray profiling of host cell response to Cryptosporidium parvum infection.
Infection and immunity 2010;78(3):1040-8.
2010: Giovanni Widmer; Donna E Akiyoshi
Host-specific segregation of ribosomal nucleotide sequence diversity in the microsporidian Enterocytozoon bieneusi.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2010;10(1):122-8.
2009: Giovanni Widmer
Meta-analysis of a polymorphic surface glycoprotein of the parasitic protozoa Cryptosporidium parvum and Cryptosporidium hominis.
Epidemiology and infection 2009;137(12):1800-8.
2009: Yi-Lin Yang; Myrna G Serrano; Abhineet S Sheoran; Patricio A Manque; Gregory A Buck; Giovanni Widmer
Over-expression and localization of a host protein on the membrane of Cryptosporidium parvum infected epithelial cells.
Molecular and biochemical parasitology 2009;168(1):95-101.
2009: L Zhang; A S Sheoran; Giovanni Widmer
Cryptosporidium parvum DNA replication in cell-free culture.
The Journal of parasitology 2009;95(5):1239-42.
2008: Sultan Tanriverdi; Alex Grinberg; Rachel M Chalmers; Paul R Hunter; Zorana Petrovic; Donna E Akiyoshi; Eric London; Linghui Zhang; Saul Tzipori; James K Tumwine; Giovanni Widmer
Inferences about the global population structures of Cryptosporidium parvum and Cryptosporidium hominis.
Applied and environmental microbiology 2008;74(23):7227-34.
2008: Rubén Bonilla-Santiago; Zhijin Wu; Linghui Zhang; Giovanni Widmer
Identification of growth inhibiting compounds in a Giardia lamblia high-throughput screen.
Molecular and biochemical parasitology 2008;162(2):149-54.
2008: Saul Tzipori; Giovanni Widmer
A hundred-year retrospective on cryptosporidiosis.
Trends in parasitology 2008;24(4):184-9.
2007: Giovanni Widmer; P Klein; Ruben Bonilla
Adaptation of Cryptosporidium oocysts to different excystation conditions.
Parasitology 2007;134(Pt 11):1583-8.
2007: Xiaochuan Feng; Donna E Akiyoshi; Giovanni Widmer; Saul Tzipori
Characterization of subtilase protease in Cryptosporidium parvum and C. hominis.
The Journal of parasitology 2007;93(3):619-26.
2007: Christine L Bean; Jacqueline J Hansen; Aaron B Margolin; Helene Balkin; Glenda Batzer; Giovanni Widmer
Class B alkaline stabilization to achieve pathogen inactivation.
International journal of environmental research and public health 2007;4(1):53-60.
2007: Sultan Tanriverdi; J Craig Blain; Bingbing Deng; Michael T Ferdig; Giovanni Widmer
Genetic crosses in the apicomplexan parasite Cryptosporidium parvum define recombination parameters.
Molecular microbiology 2007;63(5):1432-9.
2006: Hanping Feng; Weijia Nie; Ruben Bonilla; Giovanni Widmer; Abhineet S Sheoran; Saul Tzipori
Quantitative tracking of Cryptosporidium infection in cell culture with CFSE.
The Journal of parasitology 2006;92(6):1350-4.
2006: Debra E Huffman; Angela L Gennaccaro; Tracy L Berg; Glenda Batzer; Giovanni Widmer
Detection of infectious parasites in reclaimed water.
Water environment research : a research publication of the Water Environment Federation 2006;78(12):2297-302.
2006: Cynthia L Chappell; Pablo C Okhuysen; Rebecca Langer-Curry; Giovanni Widmer; Donna E Akiyoshi; Sultan Tanriverdi; Saul Tzipori
Cryptosporidium hominis: experimental challenge of healthy adults.
The American journal of tropical medicine and hygiene 2006;75(5):851-7.
2006: Xiaochuan Feng; Donna E Akiyoshi; Abhineet S Sheoran; Inderpal Singh; Joel Hanawalt; Quanshun Zhang; Giovanni Widmer; Saul Tzipori
Serial propagation of the microsporidian Enterocytozoon bieneusi of human origin in immunocompromised rodents.
Infection and immunity 2006;74(8):4424-9.
2006: Giovanni Widmer; Y L Yang; Ruben Bonilla; Sultan Tanriverdi; K M Ciociola
Preferential infection of dividing cells by Cryptosporidium parvum.
Parasitology 2006;133(Pt 2):131-8.
2006: Sultan Tanriverdi; Alex Markovics; M Ozkan Arslan; Aysel Itik; Varda Shkap; Giovanni Widmer
Emergence of distinct genotypes of Cryptosporidium parvum in structured host populations.
Applied and environmental microbiology 2006;72(4):2507-13.
2006: Sultan Tanriverdi; Giovanni Widmer
Differential evolution of repetitive sequences in Cryptosporidium parvum and Cryptosporidium hominis.
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2006;6(2):113-22.
2005: Anne M Johnson; Karl Linden; Kristina M Ciociola; Ricardo De Leon; Giovanni Widmer; Paul A Rochelle
UV inactivation of Cryptosporidium hominis as measured in cell culture.
Applied and environmental microbiology 2005;71(5):2800-2.
2005: II Kondova; Meredith A Simon; SA Klumpp; John MacKey; Giovanni Widmer; H G Domingues; S P Persengiev; Shawn P O'Neil
Trichomonad gastritis in rhesus macaques (Macaca mulatta) infected with simian immunodeficiency virus.
Veterinary pathology 2005;42(1):19-29.
2004: Ping Xu; Giovanni Widmer; Yingping Wang; Luiz S Ozaki; Joao M Alves; Myrna G Serrano; Daniela Puiu; Patricio Manque; Donna E Akiyoshi; Aaron J Mackey; William R Pearson; Paul H Dear; Alan T Bankier; Darrell L Peterson; Mitchell S Abrahamsen; Vivek Kapur; Saul Tzipori; Gregory A Buck
The genome of Cryptosporidium hominis.
Nature 2004;431(7012):1107-12.
2004: Mitchell S Abrahamsen; Thomas J Templeton; Shinichiro Enomoto; Juan E Abrahante; Guan Zhu; Cheryl A Lancto; Mingqi Deng; Chang Liu; Giovanni Widmer; Saul Tzipori; Gregory A Buck; Ping Xu; Alan T Bankier; Paul H Dear; Bernard A Konfortov; Helen F Spriggs; Lakshminarayan M Iyer; Vivek Anantharaman; L Aravind; Vivek Kapur
Complete genome sequence of the apicomplexan, Cryptosporidium parvum.
Science (New York, N.Y.) 2004;304(5669):441-5.
2004: Giovanni Widmer; Xiaochuan Feng; Sultan Tanriverdi
Genotyping of Cryptosporidium parvum with microsatellite markers.
Methods in molecular biology (Clifton, N.J.) 2004;268():177-87.
2004: Giovanni Widmer
Population genetics of Cryptosporidium parvum.
Trends in parasitology 2004;20(1):3-6; discussion 6.
2003: Sultan Tanriverdi; M Ozkan Arslan; Donna E Akiyoshi; Saul Tzipori; Giovanni Widmer
Identification of genotypically mixed Cryptosporidium parvum populations in humans and calves.
Molecular and biochemical parasitology 2003;130(1):13-22.
2003: James K Tumwine; Addy Kekitiinwa; Nicolette Nabukeera; Donna E Akiyoshi; Stephen M Rich; Giovanni Widmer; Xiaochuan Feng; Saul Tzipori
Cryptosporidium parvum in children with diarrhea in Mulago Hospital, Kampala, Uganda.
The American journal of tropical medicine and hygiene 2003;68(6):710-5.
2002: Giovanni Widmer; Tim Clancy; Honorine D Ward; Dan Miller; Glenda Batzer; Christine B Pearson; Zia Bukhari
Structural and biochemical alterations in Giardia lamblia cysts exposed to ozone.
The Journal of parasitology 2002;88(6):1100-6.
2002: April Garcia; William Yanko; Glenda Batzer; Giovanni Widmer
Giardia cysts in tertiary-treated wastewater effluents: are they infective?
Water environment research : a research publication of the Water Environment Federation 2002;74(6):541-4.
2002: Donna E Akiyoshi; Xiaochuan Feng; Michael A Buckholt; Giovanni Widmer; Saul Tzipori
Genetic analysis of a Cryptosporidium parvum human genotype 1 isolate passaged through different host species.
Infection and immunity 2002;70(10):5670-5.
2002: Sultan Tanriverdi; Atila Tanyeli; Fikri Başlamişli; Fatih Köksal; Yurdanur Kilinç; Xiaochuan Feng; Glenda Batzer; Saul Tzipori; Giovanni Widmer
Detection and genotyping of oocysts of Cryptosporidium parvum by real-time PCR and melting curve analysis.
Journal of clinical microbiology 2002;40(9):3237-44.
2002: Giovanni Widmer; Lunhui Lin; Vivek Kapur; Xiaochuan Feng; Mitchell S Abrahamsen
Genomics and genetics of Cryptosporidium parvum: the key to understanding cryptosporidiosis.
Microbes and infection / Institut Pasteur 2002;4(10):1081-90.
2002: Donna E Akiyoshi; Ramaswamy Balakrishnan; Christian Huettinger; Giovanni Widmer; Saul Tzipori
Molecular characterization of ribonucleotide reductase from Cryptosporidium parvum.
DNA sequence : the journal of DNA sequencing and mapping 2002;13(3):167-72.
2002: Pablo C Okhuysen; Stephen M Rich; Cynthia L Chappell; Kevin A Grimes; Giovanni Widmer; Xiaochuan Feng; Saul Tzipori
Infectivity of a Cryptosporidium parvum isolate of cervine origin for healthy adults and interferon-gamma knockout mice.
The Journal of infectious diseases 2002;185(9):1320-5.
2002: Xiaochuan Feng; Stephen M Rich; Saul Tzipori; Giovanni Widmer
Experimental evidence for genetic recombination in the opportunistic pathogen Cryptosporidium parvum.
Molecular and biochemical parasitology 2002;119(1):55-62.
2001: Robin Gasser; Xingquan Zhu; S Caccio; R Chalmers; Giovanni Widmer; UM Morgan; R C Thompson; Edoardo Pozio; G F Browning
Genotyping Cryptosporidium parvum by single-strand conformation polymorphism analysis of ribosomal and heat shock gene regions.
Electrophoresis 2001;22(3):433-7.
2000: Giovanni Widmer; E A Corey; B Stein; Jeffrey Griffiths; Saul Tzipori
Host cell apoptosis impairs Cryptosporidium parvum development in vitro.
The Journal of parasitology 2000;86(5):922-8.
2000: Xiaochuan Feng; Stephen M Rich; Donna E Akiyoshi; James K Tumwine; Addy Kekitiinwa; Nicolette Nabukeera; Saul Tzipori; Giovanni Widmer
Extensive polymorphism in Cryptosporidium parvum identified by multilocus microsatellite analysis.
Applied and environmental microbiology 2000;66(8):3344-9.
2000: Giovanni Widmer; Donna E Akiyoshi; Michael A Buckholt; Xiaochuan Feng; Stephen M Rich; K M Deary; C A Bowman; P Xu; Y Wang; X Wang; Gregory A Buck; Saul Tzipori
Animal propagation and genomic survey of a genotype 1 isolate of Cryptosporidium parvum.
Molecular and biochemical parasitology 2000;108(2):187-97.
2000: Saul Tzipori; Giovanni Widmer
The biology of Cryptosporidium.
Contributions to microbiology 2000;6():1-32.
1999: Giovanni Widmer; E A Orbacz; Saul Tzipori
Constitutive expression of small subunit ribosomal RNA transcripts in Cryptosporidium parvum oocysts and intracellular stages.
The Journal of parasitology 1999;85(2):229-33.
1999: Giovanni Widmer; E A Orbacz; Saul Tzipori
beta-tubulin mRNA as a marker of Cryptosporidium parvum oocyst viability.
Applied and environmental microbiology 1999;65(4):1584-8.
1998: Giovanni Widmer; L Tchack; Cynthia L Chappell; Saul Tzipori
Sequence polymorphism in the beta-tubulin gene reveals heterogeneous and variable population structures in Cryptosporidium parvum.
Applied and environmental microbiology 1998;64(11):4477-81.
1998: II Kondova; Keith Mansfield; Michael A Buckholt; B Stein; Giovanni Widmer; Angela Carville; Andrew Lackner; Saul Tzipori
Transmission and serial propagation of Enterocytozoon bieneusi from humans and Rhesus macaques in gnotobiotic piglets.
Infection and immunity 1998;66(11):5515-9.
1998: Furio Spano; lorenza putignani; Andrea Crisanti; Pina Sallicandro; UM Morgan; S M Le Blancq; L Tchack; Saul Tzipori; Giovanni Widmer
Multilocus genotypic analysis of Cryptosporidium parvum isolates from different hosts and geographical origins.
Journal of clinical microbiology 1998;36(11):3255-9.
1998: Giovanni Widmer; L Tchack; Furio Spano; Saul Tzipori
A study of Cryptosporidium parvum genotypes and population structure.
Memórias do Instituto Oswaldo Cruz 1998;93(5):685-6.
1998: Giovanni Widmer; Saul Tzipori; Carl J Fichtenbaum; Jeffrey Griffiths
Genotypic and phenotypic characterization of Cryptosporidium parvum isolates from people with AIDS.
The Journal of infectious diseases 1998;178(3):834-40.
1998: Jeffrey Griffiths; R Balakrishnan; Giovanni Widmer; Saul Tzipori
Paromomycin and geneticin inhibit intracellular Cryptosporidium parvum without trafficking through the host cell cytoplasm: implications for drug delivery.
Infection and immunity 1998;66(8):3874-83.
1998: Giovanni Widmer
Genetic heterogeneity and PCR detection of Cryptosporidium parvum.
Advances in parasitology 1998;40():223-39.
1997: M Carraway; Saul Tzipori; Giovanni Widmer
A new restriction fragment length polymorphism from Cryptosporidium parvum identifies genetically heterogeneous parasite populations and genotypic changes following transmission from bovine to human hosts.
Infection and immunity 1997;65(9):3958-60.
1997: Angela Carville; Keith Mansfield; Giovanni Widmer; Andrew Lackner; D Kotler; PM Wiest; Tawanda Gumbo; S Sarbah; Saul Tzipori
Development and application of genetic probes for detection of Enterocytozoon bieneusi in formalin-fixed stools and in intestinal biopsy specimens from infected patients.
Clinical and diagnostic laboratory immunology 1997;4(4):405-8.
1997: Saul Tzipori; Angela Carville; Giovanni Widmer; D Kotler; Keith Mansfield; Andrew Lackner
Transmission and establishment of a persistent infection of Enterocytozoon bieneusi, derived from a human with AIDS, in simian immunodeficiency virus-infected rhesus monkeys.
The Journal of infectious diseases 1997;175(4):1016-20.
1996: Giovanni Widmer; M Carraway; Saul Tzipori
Water-borne Cryptosporidium: a perspective from the USA.
Parasitology today (Personal ed.) 1996;12(7):286-90.
1996: M Carraway; Saul Tzipori; Giovanni Widmer
Identification of genetic heterogeneity in the Cryptosporidium parvum ribosomal repeat.
Applied and environmental microbiology 1996;62(2):712-6.
1995: Giovanni Widmer
Suppression of Leishmania RNA virus replication by capsid protein overexpression.
Journal of virology 1995;69(7):4122-6.
1995: Giovanni Widmer; S Dooley
Phylogenetic analysis of Leishmania RNA virus and Leishmania suggests ancient virus-parasite association.
Nucleic acids research 1995;23(12):2300-4.
1994: M Carraway; Giovanni Widmer; Saul Tzipori
Genetic markers differentiate C. parvum isolates.
The Journal of eukaryotic microbiology 1994;41(5):26S.
1994: Saul Tzipori; W Rand; J Griffiths; Giovanni Widmer; J Crabb
Evaluation of an animal model system for cryptosporidiosis: therapeutic efficacy of paromomycin and hyperimmune bovine colostrum-immunoglobulin.
Clinical and diagnostic laboratory immunology 1994;1(4):450-63.