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Items: 1 to 50 of 124

1.

Serum-free in vitro cultivation of Theileria annulata and Theileria parva schizont-infected lymphocytes.

Zweygarth E, Nijhof AM, Knorr S, Ahmed JS, Al-Hosary ATA, Obara I, Bishop RP, Josemans AI, Clausen PH.

Transbound Emerg Dis. 2020 Mar;67 Suppl 1:35-39. doi: 10.1111/tbed.13348.

PMID:
32174041
2.

Ehrlichia minasensis, an old demon with a new name.

Cabezas-Cruz A, Zweygarth E, Aguiar DM.

Ticks Tick Borne Dis. 2019 Jun;10(4):828-829. doi: 10.1016/j.ttbdis.2019.03.018. Epub 2019 Mar 27. No abstract available.

PMID:
30940413
3.

Draft Genome Sequences of Anaplasma phagocytophilum, A. marginale, and A. ovis Isolates from Different Hosts.

Diaz-Sanchez S, Hernández-Jarguín A, Fernández de Mera IG, Alberdi P, Zweygarth E, Gortazar C, de la Fuente J.

Genome Announc. 2018 Feb 1;6(5). pii: e01503-17. doi: 10.1128/genomeA.01503-17.

4.

Draft Anaplasma phagocytophilum Genome Sequences from Five Cows, Two Horses, and One Roe Deer Collected in Europe.

Dugat T, Rossignol MN, Rué O, Loux V, Marthey S, Moroldo M, Silaghi C, Höper D, Fröhlich J, Pfeffer M, Zweygarth E, Lagrée AC, Boulouis HJ, Haddad N.

Genome Announc. 2016 Dec 1;4(6). pii: e00950-16. doi: 10.1128/genomeA.00950-16.

5.

Growth of Ehrlichia canis, the causative agent of canine monocytic ehrlichiosis, in vector and non-vector ixodid tick cell lines.

Ferrolho J, Simpson J, Hawes P, Zweygarth E, Bell-Sakyi L.

Ticks Tick Borne Dis. 2016 Jun;7(4):631-7. doi: 10.1016/j.ttbdis.2016.01.013. Epub 2016 Jan 23.

6.

Ehrlichia minasensis sp. nov., isolated from the tick Rhipicephalus microplus.

Cabezas-Cruz A, Zweygarth E, Vancová M, Broniszewska M, Grubhoffer L, Passos LMF, Ribeiro MFB, Alberdi P, de la Fuente J.

Int J Syst Evol Microbiol. 2016 Mar;66(3):1426-1430. doi: 10.1099/ijsem.0.000895. Epub 2016 Jan 12.

PMID:
26763978
7.

Infection of Ixodes spp. tick cells with different Anaplasma phagocytophilum isolates induces the inhibition of apoptotic cell death.

Alberdi P, Ayllón N, Cabezas-Cruz A, Bell-Sakyi L, Zweygarth E, Stuen S, de la Fuente J.

Ticks Tick Borne Dis. 2015 Sep;6(6):758-67. doi: 10.1016/j.ttbdis.2015.07.001. Epub 2015 Jul 6.

PMID:
26183310
8.

Molecular and immunological characterization of three strains of Anaplasma marginale grown in cultured tick cells.

Lis K, Fernández de Mera IG, Popara M, Cabezas-Cruz A, Ayllón N, Zweygarth E, Passos LM, Broniszewska M, Villar M, Kocan KM, Ribeiro MF, Pfister K, de la Fuente J.

Ticks Tick Borne Dis. 2015 Jun;6(4):522-9. doi: 10.1016/j.ttbdis.2015.04.006. Epub 2015 Apr 24.

PMID:
25943785
9.

Complete Genome Sequence of Ehrlichia mineirensis, a Novel Organism Closely Related to Ehrlichia canis with a New Host Association.

Cabezas-Cruz A, Zweygarth E, Broniszweska M, Passos LM, Ribeiro MF, Manrique M, Tobes R, de la Fuente J.

Genome Announc. 2015 Jan 22;3(1). pii: e01450-14. doi: 10.1128/genomeA.01450-14.

10.

Characterization of two strains of Anaplasma marginale isolated from cattle in Rio de Janeiro, Brazil, after propagation in tick cell culture.

Baêta BA, Ribeiro CC, Teixeira RC, Cabezas-Cruz A, Passos LM, Zweygarth E, Fonseca AH.

Ticks Tick Borne Dis. 2015 Mar;6(2):141-5. doi: 10.1016/j.ttbdis.2014.11.003. Epub 2014 Nov 22.

PMID:
25468764
11.

Use of Percoll gradients to purify Anaplasma marginale (Rickettsiales: Anaplasmataceae) from tick cell cultures.

Lis K, Najm N, de la Fuente J, Fernández de Mera I, Zweygarth E, Pfister K, Passos LM.

Ticks Tick Borne Dis. 2014 Sep;5(5):511-5. doi: 10.1016/j.ttbdis.2014.03.006. Epub 2014 May 28.

PMID:
24877977
12.

In vitro culture and structural differences in the major immunoreactive protein gp36 of geographically distant Ehrlichia canis isolates.

Zweygarth E, Cabezas-Cruz A, Josemans AI, Oosthuizen MC, Matjila PT, Lis K, Broniszewska M, Schöl H, Ferrolho J, Grubhoffer L, Passos LM.

Ticks Tick Borne Dis. 2014 Jun;5(4):423-31. doi: 10.1016/j.ttbdis.2014.01.011. Epub 2014 Apr 6.

PMID:
24713279
13.

Cross-protection between geographically distinct Anaplasma marginale isolates appears to be constrained by limited antibody responses.

Kenneil R, Shkap V, Leibovich B, Zweygarth E, Pfister K, Ribeiro MF, Passos LM.

Transbound Emerg Dis. 2013 Nov;60 Suppl 2:97-104. doi: 10.1111/tbed.12125.

PMID:
24589108
14.

In vitro culture of a novel genotype of Ehrlichia sp. from Brazil.

Zweygarth E, Schöl H, Lis K, Cabezas Cruz A, Thiel C, Silaghi C, Ribeiro MF, Passos LM.

Transbound Emerg Dis. 2013 Nov;60 Suppl 2:86-92. doi: 10.1111/tbed.12122.

PMID:
24589106
15.

L-cysteine replaces microaerophilous culture conditions for the in vitro initiation of Theileria equi.

Zweygarth E, Josemans AI.

Parasitol Res. 2014 Jan;113(1):433-5. doi: 10.1007/s00436-013-3672-0. Epub 2013 Nov 21.

PMID:
24257973
16.

Ultrastructure of Ehrlichia mineirensis, a new member of the Ehrlichia genus.

Cabezas-Cruz A, Vancová M, Zweygarth E, Ribeiro MF, Grubhoffer L, Passos LM.

Vet Microbiol. 2013 Dec 27;167(3-4):455-8. doi: 10.1016/j.vetmic.2013.08.001. Epub 2013 Aug 9.

PMID:
23998429
17.

Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.

Cabezas-Cruz A, Passos LM, Lis K, Kenneil R, Valdés JJ, Ferrolho J, Tonk M, Pohl AE, Grubhoffer L, Zweygarth E, Shkap V, Ribeiro MF, Estrada-Peña A, Kocan KM, de la Fuente J.

PLoS One. 2013 Jun 11;8(6):e65243. doi: 10.1371/journal.pone.0065243. Print 2013.

18.

New species of Ehrlichia isolated from Rhipicephalus (Boophilus) microplus shows an ortholog of the E. canis major immunogenic glycoprotein gp36 with a new sequence of tandem repeats.

Cruz AC, Zweygarth E, Ribeiro MF, da Silveira JA, de la Fuente J, Grubhoffer L, Valdés JJ, Passos LM.

Parasit Vectors. 2012 Dec 11;5:291. doi: 10.1186/1756-3305-5-291.

19.

Isolation, propagation and preliminary characterisation of Anaplasma phagocytophilum from roe deer (Capreolus capreolus) in the tick cell line IDE8.

Silaghi C, Kauffmann M, Passos LM, Pfister K, Zweygarth E.

Ticks Tick Borne Dis. 2011 Dec;2(4):204-8. doi: 10.1016/j.ttbdis.2011.09.002. Epub 2011 Oct 17.

PMID:
22108013
20.

Evaluation of a TaqMan real-time PCR for the detection of Theileria parva in buffalo and cattle.

Papli N, Landt O, Fleischer C, Koekemoer JO, Mans BJ, Pienaar R, Josemans A, Zweygarth E, Potgieter F, Latif AA.

Vet Parasitol. 2011 Feb 10;175(3-4):356-9. doi: 10.1016/j.vetpar.2010.10.038. Epub 2010 Oct 27.

PMID:
21075533
21.

Sequence heterogeneity in the equi merozoite antigen gene (ema-1) of Theileria equi and development of an ema-1-specific TaqMan MGB assay for the detection of T. equi.

Bhoora R, Quan M, Matjila PT, Zweygarth E, Guthrie AJ, Collins NE.

Vet Parasitol. 2010 Aug 27;172(1-2):33-45. doi: 10.1016/j.vetpar.2010.04.025. Epub 2010 Apr 28.

PMID:
20493635
22.

Cold storage and cryopreservation of tick cell lines.

Lallinger G, Zweygarth E, Bell-Sakyi L, Passos LM.

Parasit Vectors. 2010 Apr 13;3(1):37. doi: 10.1186/1756-3305-3-37.

23.

Sequence heterogeneity in the gene encoding the rhoptry-associated protein-1 (RAP-1) of Babesia caballi isolates from South Africa.

Bhoora R, Quan M, Zweygarth E, Guthrie AJ, Prinsloo SA, Collins NE.

Vet Parasitol. 2010 May 11;169(3-4):279-88. doi: 10.1016/j.vetpar.2010.01.009. Epub 2010 Jan 20.

PMID:
20138703
24.

Development and evaluation of real-time PCR assays for the quantitative detection of Babesia caballi and Theileria equi infections in horses from South Africa.

Bhoora R, Quan M, Franssen L, Butler CM, van der Kolk JH, Guthrie AJ, Zweygarth E, Jongejan F, Collins NE.

Vet Parasitol. 2010 Mar 25;168(3-4):201-11. doi: 10.1016/j.vetpar.2009.11.011. Epub 2009 Nov 20.

PMID:
20031328
25.

In vitro cultivation of a Theileria species from a roan antelope (Hippotragus equinus).

Zweygarth E, Benade J, Steyl J, Prozesky L, Koekemoer O, Josemans AI.

Parasitol Res. 2009 Nov;105(6):1755-7. doi: 10.1007/s00436-009-1589-4. Epub 2009 Aug 15.

PMID:
19685077
26.

Theileria-infected cell line from an African buffalo (Syncerus caffer).

Zweygarth E, Koekemoer O, Josemans AI, Rambritch N, Pienaar R, Putterill J, Latif A, Potgieter FT.

Parasitol Res. 2009 Aug;105(2):579-81. doi: 10.1007/s00436-009-1467-0. Epub 2009 May 9.

PMID:
19430815
27.

Experimental use of the attenuated Ehrlichia ruminantium (Welgevonden) vaccine in Merino sheep and Angora goats.

Zweygarth E, Josemans AI, Steyn HC.

Vaccine. 2008 Dec 19;26 Suppl 6:G34-9. doi: 10.1016/j.vaccine.2008.09.068.

PMID:
19178891
28.

Sequence heterogeneity in the 18S rRNA gene within Theileria equi and Babesia caballi from horses in South Africa.

Bhoora R, Franssen L, Oosthuizen MC, Guthrie AJ, Zweygarth E, Penzhorn BL, Jongejan F, Collins NE.

Vet Parasitol. 2009 Feb 5;159(2):112-20. doi: 10.1016/j.vetpar.2008.10.004. Epub 2008 Oct 11.

PMID:
19019541
29.

Experimental transmission of field Anaplasma marginale and the A. centrale vaccine strain by Hyalomma excavatum, Rhipicephalus sanguineus and Rhipicephalus (Boophilus) annulatus ticks.

Shkap V, Kocan K, Molad T, Mazuz M, Leibovich B, Krigel Y, Michoytchenko A, Blouin E, de la Fuente J, Samish M, Mtshali M, Zweygarth E, Fleiderovich EL, Fish L.

Vet Microbiol. 2009 Mar 2;134(3-4):254-60. doi: 10.1016/j.vetmic.2008.08.004. Epub 2008 Aug 22.

PMID:
18823724
30.

In vitro isolation of Ehrlichia ruminantium from ovine blood into Ixodes scapularis (IDE8) cell cultures.

Zweygarth E, Josemans AI, Steyn HC.

Onderstepoort J Vet Res. 2008 Jun;75(2):121-6.

PMID:
18788205
31.

Identification of a novel Babesia sp. from a sable antelope (Hippotragus niger Harris, 1838).

Oosthuizen MC, Zweygarth E, Collins NE, Troskie M, Penzhorn BL.

J Clin Microbiol. 2008 Jul;46(7):2247-51. doi: 10.1128/JCM.00167-08. Epub 2008 May 28.

32.

Tick cell lines: tools for tick and tick-borne disease research.

Bell-Sakyi L, Zweygarth E, Blouin EF, Gould EA, Jongejan F.

Trends Parasitol. 2007 Sep;23(9):450-7. Epub 2007 Jul 26. Review.

PMID:
17662657
33.

Attenuated vaccines for tropical theileriosis, babesiosis and heartwater: the continuing necessity.

Shkap V, de Vos AJ, Zweygarth E, Jongejan F.

Trends Parasitol. 2007 Sep;23(9):420-6. Epub 2007 Jul 25. Review.

PMID:
17656155
34.

In vitro cultivation of a south African isolate of an Anaplasma sp. in tick cell cultures.

Zweygarth E, Josemans AI, Spickett AM, Steyn HC, Putterill J, Troskie PC, Mtshali MS, Bell-Sakyi L, Shkap V, Fish L, Kocan KM, Blouin EF.

Onderstepoort J Vet Res. 2006 Dec;73(4):251-5.

PMID:
17283724
35.

Establishment of optimal conditions for long-term culture of erythrocytic stages of Theileria uilenbergi.

Miranda JP, Nascimento EM, Cruz HJ, Yin H, Zweygarth E, Oliva AG.

Am J Vet Res. 2006 Nov;67(11):1908-13.

PMID:
17078754
37.

Ehrlichia ruminantium: a promiscuous genome.

Allsopp M, Steyn H, Zweygarth E, Allsopp B.

Ann N Y Acad Sci. 2005 Dec;1063:102-4.

PMID:
16481500
38.

Identification of anti-babesial activity for four ethnoveterinary plants in vitro.

Naidoo V, Zweygarth E, Eloff JN, Swan GE.

Vet Parasitol. 2005 Jun 10;130(1-2):9-13. Epub 2005 Apr 12.

PMID:
15893064
39.

High infection rates of the tick Hyalomma anatolicum anatolicum with Trypanosoma theileri.

Latif AA, Bakheit MA, Mohamed AE, Zweygarth E.

Onderstepoort J Vet Res. 2004 Dec;71(4):251-6.

PMID:
15732451
40.

An attenuated Ehrlichia ruminantium (Welgevonden stock) vaccine protects small ruminants against virulent heartwater challenge.

Zweygarth E, Josemans AI, Van Strijp MF, Lopez-Rebollar L, Van Kleef M, Allsopp BA.

Vaccine. 2005 Feb 25;23(14):1695-702.

PMID:
15705474
41.

The genome of the heartwater agent Ehrlichia ruminantium contains multiple tandem repeats of actively variable copy number.

Collins NE, Liebenberg J, de Villiers EP, Brayton KA, Louw E, Pretorius A, Faber FE, van Heerden H, Josemans A, van Kleef M, Steyn HC, van Strijp MF, Zweygarth E, Jongejan F, Maillard JC, Berthier D, Botha M, Joubert F, Corton CH, Thomson NR, Allsopp MT, Allsopp BA.

Proc Natl Acad Sci U S A. 2005 Jan 18;102(3):838-43. Epub 2005 Jan 6.

42.

Characterization of the pCS20 region of different Ehrlichia ruminantium isolates.

Van Heerden H, Steyn HC, Allsopp MT, Zweygarth E, Josemans AI, Allsopp BA.

Vet Microbiol. 2004 Aug 6;101(4):279-91.

PMID:
15262001
43.

Development of improved attenuated and nucleic acid vaccines for heartwater.

Collins NE, Pretorius A, van Kleef M, Brayton KA, Allsopp MT, Zweygarth E, Allsopp BA.

Dev Biol (Basel). 2003;114:121-36.

PMID:
14677683
44.
45.

In vitro infection of nonendothelial cells by Ehrlichia ruminantium.

Zweygarth E, Josemans AI.

Ann N Y Acad Sci. 2003 Jun;990:573-80.

PMID:
12860692
46.

Development of improved vaccines for heartwater.

Collins NE, Pretorius A, Van Kleef M, Brayton KA, Zweygarth E, Allsopp BA.

Ann N Y Acad Sci. 2003 Jun;990:474-84.

PMID:
12860676
47.
48.

In vitro isolation of equine piroplasms derived from Cape Mountain zebra (Equus zebra zebra) in South Africa.

Zweygarth E, Lopez-Rebollar LM, Meyer P.

Onderstepoort J Vet Res. 2002 Sep;69(3):197-200.

PMID:
12356165
49.

The Kümm isolate of Ehrlichia ruminantium: in vitro isolation, propagation and characterization.

Zweygarth E, Josemans AI, Van Strijp MF, Van Heerden H, Allsopp MT, Allsopp BA.

Onderstepoort J Vet Res. 2002 Jun;69(2):147-53.

PMID:
12234001
50.

In vitro cultivation of Chinese strains of Babesia spp.

Wu J, Yu J, Wang Z, Zweygarth EP.

Parasitol Res. 2002 May;88(13 Suppl 1):S41-2.

PMID:
12051608

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