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Items: 1 to 50 of 77

1.

Composite genome map and recombination parameters derived from three archetypal lineages of Toxoplasma gondii.

Khan A, Taylor S, Su C, Mackey AJ, Boyle J, Cole R, Glover D, Tang K, Paulsen IT, Berriman M, Boothroyd JC, Pfefferkorn ER, Dubey JP, Ajioka JW, Roos DS, Wootton JC, Sibley LD.

Nucleic Acids Res. 2005 May 23;33(9):2980-92. Print 2005.

2.

Purine salvage pathways in the apicomplexan parasite Toxoplasma gondii.

Chaudhary K, Darling JA, Fohl LM, Sullivan WJ Jr, Donald RG, Pfefferkorn ER, Ullman B, Roos DS.

J Biol Chem. 2004 Jul 23;279(30):31221-7. Epub 2004 May 11.

3.

Toxoplasma gondii: mechanism of the parasitostatic action of 6-thioxanthine.

Pfefferkorn ER, Bzik DJ, Honsinger CP.

Exp Parasitol. 2001 Dec;99(4):235-43.

PMID:
11888251
4.

Lipophilic antifolates as agents against opportunistic infections. 1. Agents superior to trimetrexate and piritrexim against Toxoplasma gondii and Pneumocystis carinii in in vitro evaluations.

Piper JR, Johnson CA, Krauth CA, Carter RL, Hosmer CA, Queener SF, Borotz SE, Pfefferkorn ER.

J Med Chem. 1996 Mar 15;39(6):1271-80.

PMID:
8632434
5.

Toxoplasma gondii: characterization of a mutant resistant to 6-thioxanthine.

Pfefferkorn ER, Borotz SE.

Exp Parasitol. 1994 Nov;79(3):374-82.

PMID:
7957757
6.

Antiparasitic and antiproliferative effects of indoleamine 2,3-dioxygenase enzyme expression in human fibroblasts.

Gupta SL, Carlin JM, Pyati P, Dai W, Pfefferkorn ER, Murphy MJ Jr.

Infect Immun. 1994 Jun;62(6):2277-84.

7.
8.

Toxoplasma gondii: susceptibility and development of resistance to anticoccidial drugs in vitro.

Ricketts AP, Pfefferkorn ER.

Antimicrob Agents Chemother. 1993 Nov;37(11):2358-63.

9.

Development of genetic systems for Toxoplasma gondii.

Sibley LD, Pfefferkorn ER, Boothroyd JC.

Parasitol Today. 1993 Oct;9(10):392-5.

PMID:
15463677
10.

Mutants of Toxoplasma gondii resistant to atovaquone (566C80) or decoquinate.

Pfefferkorn ER, Borotz SE, Nothnagel RF.

J Parasitol. 1993 Aug;79(4):559-64.

PMID:
8331476
11.

Lipophilic antifolates as candidates against opportunistic infections.

Piper JR, Johnson CA, Hosmer CA, Carter RL, Pfefferkorn ER, Borotz SE, Queener SF.

Adv Exp Med Biol. 1993;338:429-33. No abstract available.

PMID:
8304151
12.

Generation of a restriction fragment length polymorphism linkage map for Toxoplasma gondii.

Sibley LD, LeBlanc AJ, Pfefferkorn ER, Boothroyd JC.

Genetics. 1992 Dec;132(4):1003-15.

13.

Toxoplasma gondii: characterization of a mutant resistant to sulfonamides.

Pfefferkorn ER, Borotz SE, Nothnagel RF.

Exp Parasitol. 1992 May;74(3):261-70.

PMID:
1582478
14.

Parasiticidal effect of clindamycin on Toxoplasma gondii grown in cultured cells and selection of a drug-resistant mutant.

Pfefferkorn ER, Nothnagel RF, Borotz SE.

Antimicrob Agents Chemother. 1992 May;36(5):1091-6.

15.

Prospective vaccine prepared from a new mutant of Toxoplasma gondii for use in cats.

Frenkel JK, Pfefferkorn ER, Smith DD, Fishback JL.

Am J Vet Res. 1991 May;52(5):759-63.

PMID:
1854103
16.

Functions of the various IgG Fc receptors in mediating killing of Toxoplasma gondii.

Erbe DV, Pfefferkorn ER, Fanger MW.

J Immunol. 1991 May 1;146(9):3145-51.

PMID:
1826707
17.

L-651,582 inhibition of intracellular parasitic protozoal growth correlates with host-cell directed effects.

Hupe DJ, Pfefferkorn ER, Behrens ND, Peters K.

J Pharmacol Exp Ther. 1991 Feb;256(2):462-7.

PMID:
1993990
18.

Proposal for a uniform genetic nomenclature in Toxoplasma gondii.

Sibley LD, Pfefferkorn ER, Boothroyd JC.

Parasitol Today. 1991 Dec;7(12):327-8. No abstract available.

PMID:
15463406
19.

Murine gamma interferon fails to inhibit Toxoplasma gondii growth in murine fibroblasts.

Schwartzman JD, Gonias SL, Pfefferkorn ER.

Infect Immun. 1990 Mar;58(3):833-4.

20.

Toxoplasma gondii: the biochemical basis of resistance to emimycin.

Pfefferkorn ER, Eckel ME, McAdams E.

Exp Parasitol. 1989 Aug;69(2):129-39.

PMID:
2526747
21.
22.

Toxoplasma gondii: in vivo and in vitro studies of a mutant resistant to arprinocid-N-oxide.

Pfefferkorn ER, Eckel ME, McAdams E.

Exp Parasitol. 1988 Apr;65(2):282-9.

PMID:
3350108
23.

Interferon-gamma suppresses the growth of Toxoplasma gondii in human fibroblasts through starvation for tryptophan.

Pfefferkorn ER, Eckel M, Rebhun S.

Mol Biochem Parasitol. 1986 Sep;20(3):215-24.

PMID:
3093859
24.

Characterization of an indoleamine 2,3-dioxygenase induced by gamma-interferon in cultured human fibroblasts.

Pfefferkorn ER, Rebhun S, Eckel M.

J Interferon Res. 1986 Jun;6(3):267-79.

PMID:
2427623
25.

Interferon gamma and the growth of Toxoplasma gondii in fibroblasts.

Pfefferkorn ER.

Ann Inst Pasteur Microbiol (1985). 1986 May-Jun;137A(3):348-52. No abstract available.

PMID:
3122643
26.
27.

Characterization of a mutant of Toxoplasma gondii resistant to aphidicolin.

Pfefferkorn ER.

J Protozool. 1984 May;31(2):306-10.

PMID:
6206226
29.

Identification of stage-specific sporozoite antigens of Toxoplasma gondii by monoclonal antibodies.

Kasper LH, Bradley MS, Pfefferkorn ER.

J Immunol. 1984 Jan;132(1):443-9.

PMID:
6197455
30.

Immunofluorescent localization of myosin at the anterior pole of the coccidian, Toxoplasma gondii.

Schwartzman JD, Pfefferkorn ER.

J Protozool. 1983 Nov;30(4):657-61.

PMID:
6363679
31.

Purification of a major membrane protein of Toxoplasma gondii by immunoabsorption with a monoclonal antibody.

Kasper LH, Crabb JH, Pfefferkorn ER.

J Immunol. 1983 May;130(5):2407-12.

PMID:
6833761
32.
33.

Temperature-sensitive mutants of Toxoplasma gondii: pathogenicity and persistence in mice.

Waldeland H, Pfefferkorn ER, Frenkel JK.

J Parasitol. 1983 Feb;69(1):171-5.

PMID:
6827434
34.

Toxoplasma gondii: use of mutants to study the host-parasite relationship.

Pfefferkorn ER, Schwartzman JD, Kasper LH.

Ciba Found Symp. 1983;99:74-91.

PMID:
6557015
35.

Isolation and characterization of a monoclonal antibody-resistant antigenic mutant of Toxoplasma gondii.

Kasper LH, Crabb JH, Pfefferkorn ER.

J Immunol. 1982 Oct;129(4):1694-9.

PMID:
7108224
36.
37.

Toxoplasma gondii: purine synthesis and salvage in mutant host cells and parasites.

Schwartzman JD, Pfefferkorn ER.

Exp Parasitol. 1982 Feb;53(1):77-86. No abstract available.

PMID:
7198995
38.

Toxoplasma gondii: growth in the absence of host cell protein synthesis.

Pfefferkorn ER, Pfefferkorn LC.

Exp Parasitol. 1981 Aug;52(1):129-36. No abstract available.

PMID:
6165609
39.

Pyrimidine synthesis by intracellular Toxoplasma gondii.

Schwartzman JD, Pfefferkorn ER.

J Parasitol. 1981 Apr;67(2):150-8.

PMID:
7241272
40.

Toxoplasma gondii: genetic recombination between drug resistant mutants.

Pfefferkorn LC, Pfefferkorn ER.

Exp Parasitol. 1980 Dec;50(3):305-16. No abstract available.

PMID:
6448752
41.

Quantitative studies of the mutagenesis of Toxoplasma gondii.

Pfefferkorn ER, Pfefferkorn LC.

J Parasitol. 1979 Jun;65(3):364-70.

PMID:
158076
42.

The biochemical basis for resistance to adenine arabinoside in a mutant of Toxoplasma gondii.

Pfefferkorn ER, Pfefferkorn LC.

J Parasitol. 1978 Jun;64(3):486-92.

PMID:
207846
43.

Toxoplasma gondii: the enzymic defect of a mutant resistant to 5-fluorodeoxyuridine.

Pfefferkorn ER.

Exp Parasitol. 1978 Feb;44(1):26-35. No abstract available.

PMID:
146608
44.

Specific labeling of intracellular Toxoplasma gondii with uracil.

Pfefferkorn ER, Pfefferkorn LC.

J Protozool. 1977 Aug;24(3):449-53.

PMID:
21288
45.

Toxoplasma gondii: characterization of a mutant resistant to 5-fluorodeoxyuridine.

Pfefferkorn ER, Pfefferkorn LC.

Exp Parasitol. 1977 Jun;42(1):44-55. No abstract available.

PMID:
140809
46.

Toxoplasma gondii: specific labeling of nucleic acids of intracellular parasites in Lesch-Nyhan cells.

Pfefferkorn ER, Pfefferkorn LC.

Exp Parasitol. 1977 Feb;41(1):95-104. No abstract available.

PMID:
851481
47.

Development of gametes and oocysts in cats fed cysts derived from cloned trophozoites of Toxoplasma gondii.

Pfefferkorn ER, Pfefferkorn LC, Colby ED.

J Parasitol. 1977 Feb;63(1):158-9. No abstract available.

PMID:
845728
48.

Arabinosyl nucleosides inhibit Toxoplasma gondii and allow the selection of resistant mutants.

Pfefferkorn ER, Pfefferkorn LC.

J Parasitol. 1976 Dec;62(6):993-9.

PMID:
1003290
49.

Toxoplasma gondii: isolation and preliminary characterization of temperature-sensitive mutants.

Pfefferkorn ER, Pfefferkorn LC.

Exp Parasitol. 1976 Jun;39(3):365-76. No abstract available.

PMID:
1269580
50.

Comparative aspects of the replication of alphaviruses and poliovirus.

Pfefferkorn ER.

Med Biol. 1975 Oct;53(5):337-41. Review.

PMID:
173940

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