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Items: 39


Infection dynamics of Theileria equi and Theileria haneyi, a newly discovered apicomplexan of the horse.

Sears KP, Kappmeyer LS, Wise LN, Silva M, Ueti MW, White S, Reif KE, Knowles DP.

Vet Parasitol. 2019 Jul;271:68-75. doi: 10.1016/j.vetpar.2019.06.009. Epub 2019 Jun 12.


Evolution and diversity of the EMA families of the divergent equid parasites, Theileria equi and T. haneyi.

Wise LN, Kappmeyer LS, Knowles DP, White SN.

Infect Genet Evol. 2019 Mar;68:153-160. doi: 10.1016/j.meegid.2018.12.020. Epub 2018 Dec 18.


Discovery of a novel species, Theileria haneyi n. sp., infective to equids, highlights exceptional genomic diversity within the genus Theileria: implications for apicomplexan parasite surveillance.

Knowles DP, Kappmeyer LS, Haney D, Herndon DR, Fry LM, Munro JB, Sears K, Ueti MW, Wise LN, Silva M, Schneider DA, Grause J, White SN, Tretina K, Bishop RP, Odongo DO, Pelzel-McCluskey AM, Scoles GA, Mealey RH, Silva JC.

Int J Parasitol. 2018 Aug;48(9-10):679-690. doi: 10.1016/j.ijpara.2018.03.010. Epub 2018 Jun 6.


Verification of post-chemotherapeutic clearance of Theileria equi through concordance of nested PCR and immunoblot.

Wise LN, Kappmeyer LS, Silva MG, White SN, Grause JF, Knowles DP.

Ticks Tick Borne Dis. 2018 Feb;9(2):135-140. doi: 10.1016/j.ttbdis.2017.08.007. Epub 2017 Aug 25.


Analysis of Stage-Specific Protein Expression during Babesia Bovis Development within Female Rhipicephalus Microplus.

Johnson WC, Taus NS, Reif KE, Bohaliga GA, Kappmeyer LS, Ueti MW.

J Proteome Res. 2017 Mar 3;16(3):1327-1338. doi: 10.1021/acs.jproteome.6b00947. Epub 2017 Feb 9.


Expression of 6-Cys Gene Superfamily Defines Babesia bovis Sexual Stage Development within Rhipicephalus microplus.

Alzan HF, Lau AO, Knowles DP, Herndon DR, Ueti MW, Scoles GA, Kappmeyer LS, Suarez CE.

PLoS One. 2016 Sep 26;11(9):e0163791. doi: 10.1371/journal.pone.0163791. eCollection 2016.


Superinfection Exclusion of the Ruminant Pathogen Anaplasma marginale in Its Tick Vector Is Dependent on the Time between Exposures to the Strains.

Noh SM, Dark MJ, Reif KE, Ueti MW, Kappmeyer LS, Scoles GA, Palmer GH, Brayton KA.

Appl Environ Microbiol. 2016 May 16;82(11):3217-3224. doi: 10.1128/AEM.00190-16. Print 2016 Jun 1.


Theileria equi isolates vary in susceptibility to imidocarb dipropionate but demonstrate uniform in vitro susceptibility to a bumped kinase inhibitor.

Hines SA, Ramsay JD, Kappmeyer LS, Lau AO, Ojo KK, Van Voorhis WC, Knowles DP, Mealey RH.

Parasit Vectors. 2015 Jan 20;8:33. doi: 10.1186/s13071-014-0611-6.


Improved diagnostic performance of a commercial Anaplasma antibody competitive enzyme-linked immunosorbent assay using recombinant major surface protein 5-glutathione S-transferase fusion protein as antigen.

Chung C, Wilson C, Bandaranayaka-Mudiyanselage CB, Kang E, Adams DS, Kappmeyer LS, Knowles DP, McElwain TF, Evermann JF, Ueti MW, Scoles GA, Lee SS, McGuire TC.

J Vet Diagn Invest. 2014 Jan;26(1):61-71. doi: 10.1177/1040638713511813. Epub 2013 Dec 6.


Serum antibodies from a subset of horses positive for Babesia caballi by competitive enzyme-linked immunosorbent assay demonstrate a protein recognition pattern that is not consistent with infection.

Awinda PO, Mealey RH, Williams LB, Conrad PA, Packham AE, Reif KE, Grause JF, Pelzel-McCluskey AM, Chung C, Bastos RG, Kappmeyer LS, Howe DK, Ness SL, Knowles DP, Ueti MW.

Clin Vaccine Immunol. 2013 Nov;20(11):1752-7. doi: 10.1128/CVI.00479-13. Epub 2013 Sep 18.


Review of equine piroplasmosis.

Wise LN, Kappmeyer LS, Mealey RH, Knowles DP.

J Vet Intern Med. 2013 Nov-Dec;27(6):1334-46. doi: 10.1111/jvim.12168. Epub 2013 Aug 28. Review.


Genetic characterization of Theileria equi infecting horses in North America: evidence for a limited source of U.S. introductions.

Hall CM, Busch JD, Scoles GA, Palma-Cagle KA, Ueti MW, Kappmeyer LS, Wagner DM.

Parasit Vectors. 2013 Feb 11;6:35. doi: 10.1186/1756-3305-6-35.


Efficacy of imidocarb dipropionate in eliminating Theileria equi from experimentally infected horses.

Grause JF, Ueti MW, Nelson JT, Knowles DP, Kappmeyer LS, Bunn TO.

Vet J. 2013 Jun;196(3):541-6. doi: 10.1016/j.tvjl.2012.10.025. Epub 2012 Nov 28.


Comparative genomic analysis and phylogenetic position of Theileria equi.

Kappmeyer LS, Thiagarajan M, Herndon DR, Ramsay JD, Caler E, Djikeng A, Gillespie JJ, Lau AO, Roalson EH, Silva JC, Silva MG, Suarez CE, Ueti MW, Nene VM, Mealey RH, Knowles DP, Brayton KA.

BMC Genomics. 2012 Nov 9;13:603. doi: 10.1186/1471-2164-13-603.


Re-emergence of the apicomplexan Theileria equi in the United States: elimination of persistent infection and transmission risk.

Ueti MW, Mealey RH, Kappmeyer LS, White SN, Kumpula-McWhirter N, Pelzel AM, Grause JF, Bunn TO, Schwartz A, Traub-Dargatz JL, Hendrickson A, Espy B, Guthrie AJ, Fowler WK, Knowles DP.

PLoS One. 2012;7(9):e44713. doi: 10.1371/journal.pone.0044713. Epub 2012 Sep 6.


In vitro activity of ponazuril against Theileria equi.

Wise LN, Ueti MW, Kappmeyer LS, Hines MT, White SN, Davis W, Knowles DP.

Vet Parasitol. 2012 Apr 30;185(2-4):282-5. doi: 10.1016/j.vetpar.2011.10.036. Epub 2011 Nov 4.


Protective effects of passively transferred merozoite-specific antibodies against Theileria equi in horses with severe combined immunodeficiency.

Mealey RH, Kappmeyer LS, Ueti MW, Wagner B, Knowles DP.

Clin Vaccine Immunol. 2012 Jan;19(1):100-4. doi: 10.1128/CVI.05301-11. Epub 2011 Oct 28.


Bm86 midgut protein sequence variation in South Texas cattle fever ticks.

Freeman JM, Davey RB, Kappmeyer LS, Kammlah DM, Olafson PU.

Parasit Vectors. 2010 Nov 3;3:101. doi: 10.1186/1756-3305-3-101.


A Babesia bovis gene syntenic to Theileria parva p67 is expressed in blood and tick stage parasites.

Freeman JM, Kappmeyer LS, Ueti MW, McElwain TF, Baszler TV, Echaide I, Nene VM, Knowles DP.

Vet Parasitol. 2010 Oct 29;173(3-4):211-8. doi: 10.1016/j.vetpar.2010.06.024. Epub 2010 Jun 25.


blaCMY-2-positive IncA/C plasmids from Escherichia coli and Salmonella enterica are a distinct component of a larger lineage of plasmids.

Call DR, Singer RS, Meng D, Broschat SL, Orfe LH, Anderson JM, Herndon DR, Kappmeyer LS, Daniels JB, Besser TE.

Antimicrob Agents Chemother. 2010 Feb;54(2):590-6. doi: 10.1128/AAC.00055-09. Epub 2009 Nov 30.


Imidocarb dipropionate clears persistent Babesia caballi infection with elimination of transmission potential.

Schwint ON, Ueti MW, Palmer GH, Kappmeyer LS, Hines MT, Cordes RT, Knowles DP, Scoles GA.

Antimicrob Agents Chemother. 2009 Oct;53(10):4327-32. doi: 10.1128/AAC.00404-09. Epub 2009 Jul 20.


Conservation in the face of diversity: multistrain analysis of an intracellular bacterium.

Dark MJ, Herndon DR, Kappmeyer LS, Gonzales MP, Nordeen E, Palmer GH, Knowles DP Jr, Brayton KA.

BMC Genomics. 2009 Jan 11;10:16. doi: 10.1186/1471-2164-10-16.


Persistently infected horses are reservoirs for intrastadial tick-borne transmission of the apicomplexan parasite Babesia equi.

Ueti MW, Palmer GH, Scoles GA, Kappmeyer LS, Knowles DP.

Infect Immun. 2008 Aug;76(8):3525-9. doi: 10.1128/IAI.00251-08. Epub 2008 May 19.


Genomic analysis of Ovis aries (Ovar) MHC class IIa loci.

Herrmann-Hoesing LM, White SN, Kappmeyer LS, Herndon DR, Knowles DP.

Immunogenetics. 2008 Apr;60(3-4):167-76. doi: 10.1007/s00251-008-0275-5. Epub 2008 Mar 6.


Genome sequence of Babesia bovis and comparative analysis of apicomplexan hemoprotozoa.

Brayton KA, Lau AO, Herndon DR, Hannick L, Kappmeyer LS, Berens SJ, Bidwell SL, Brown WC, Crabtree J, Fadrosh D, Feldblum T, Forberger HA, Haas BJ, Howell JM, Khouri H, Koo H, Mann DJ, Norimine J, Paulsen IT, Radune D, Ren Q, Smith RK Jr, Suarez CE, White O, Wortman JR, Knowles DP Jr, McElwain TF, Nene VM.

PLoS Pathog. 2007 Oct 19;3(10):1401-13.


Development of specific immunoglobulin Ga (IgGa) and IgGb antibodies correlates with control of parasitemia in Babesia equi Infection.

Cunha CW, McGuire TC, Kappmeyer LS, Hines SA, Lopez AM, Dellagostin OA, Knowles DP.

Clin Vaccine Immunol. 2006 Feb;13(2):297-300.


Complete genome sequencing of Anaplasma marginale reveals that the surface is skewed to two superfamilies of outer membrane proteins.

Brayton KA, Kappmeyer LS, Herndon DR, Dark MJ, Tibbals DL, Palmer GH, McGuire TC, Knowles DP Jr.

Proc Natl Acad Sci U S A. 2005 Jan 18;102(3):844-9. Epub 2004 Dec 23.


Validation of a competitive enzyme-linked immunosorbent assay for diagnosing Babesia equi infections of Moroccan origin and its use in determining the seroprevalence of B. equi in Morocco.

Rhalem A, Sahibi H, Lasri S, Johnson WC, Kappmeyer LS, Hamidouch A, Knowles DP, Goff WL.

J Vet Diagn Invest. 2001 May;13(3):249-51.


Detection of equine antibodies to babesia caballi by recombinant B. caballi rhoptry-associated protein 1 in a competitive-inhibition enzyme-linked immunosorbent assay.

Kappmeyer LS, Perryman LE, Hines SA, Baszler TV, Katz JB, Hennager SG, Knowles DP.

J Clin Microbiol. 1999 Jul;37(7):2285-90.


Conserved recombinant antigens of Anaplasma marginale and Babesia equi for serologic diagnosis.

Knowles DP, Perryman LE, McElwain TF, Kappmeyer LS, Stiller D, Palmer GH, Visser ES, Hennager SG, Davis WC, McGuire TC.

Vet Parasitol. 1995 Mar;57(1-3):93-6. Review.


Specific immune responses are required to control parasitemia in Babesia equi infection.

Knowles DP Jr, Kappmeyer LS, Perryman LE.

Infect Immun. 1994 May;62(5):1909-13.


A Babesia equi gene encodes a surface protein with homology to Theileria species.

Kappmeyer LS, Perryman LE, Knowles DP Jr.

Mol Biochem Parasitol. 1993 Nov;62(1):121-4. No abstract available.


Antibody to a recombinant merozoite protein epitope identifies horses infected with Babesia equi.

Knowles DP Jr, Kappmeyer LS, Stiller D, Hennager SG, Perryman LE.

J Clin Microbiol. 1992 Dec;30(12):3122-6.


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