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Items: 35


Periplasmic flagellar export apparatus protein, FliH, is involved in post-transcriptional regulation of FlaB, motility and virulence of the relapsing fever spirochete Borrelia hermsii.

Guyard C, Raffel SJ, Schrumpf ME, Dahlstrom E, Sturdevant D, Ricklefs SM, Martens C, Hayes SF, Fischer ER, Hansen BT, Porcella SF, Schwan TG.

PLoS One. 2013 Aug 29;8(8):e72550. doi: 10.1371/journal.pone.0072550. eCollection 2013.


A novel surface antigen of relapsing fever spirochetes can discriminate between relapsing fever and Lyme borreliosis.

Lopez JE, Schrumpf ME, Nagarajan V, Raffel SJ, McCoy BN, Schwan TG.

Clin Vaccine Immunol. 2010 Apr;17(4):564-71. doi: 10.1128/CVI.00518-09. Epub 2010 Feb 10.


Tick-borne relapsing fever and Borrelia hermsii, Los Angeles County, California, USA.

Schwan TG, Raffel SJ, Schrumpf ME, Schrumpf ME, Webster LS, Marques AR, Spano R, Rood M, Burns J, Hu R.

Emerg Infect Dis. 2009 Jul;15(7):1026-31. doi: 10.3201/eid1507.090223.


Identification of conserved antigens for early serodiagnosis of relapsing fever Borrelia.

Lopez JE, Porcella SF, Schrumpf ME, Raffel SJ, Hammer CH, Zhao M, Robinson MA, Schwan TG.

Microbiology. 2009 Aug;155(Pt 8):2641-51. doi: 10.1099/mic.0.029918-0. Epub 2009 May 14.


Characterization of a novel relapsing fever spirochete in the midgut, coxal fluid, and salivary glands of the bat tick Carios kelleyi.

Schwan TG, Raffel SJ, Schrumpf ME, Gill JS, Piesman J.

Vector Borne Zoonotic Dis. 2009 Dec;9(6):643-7. doi: 10.1089/vbz.2008.0177.


Outer surface protein A protects Lyme disease spirochetes from acquired host immunity in the tick vector.

Battisti JM, Bono JL, Rosa PA, Schrumpf ME, Schwan TG, Policastro PF.

Infect Immun. 2008 Nov;76(11):5228-37. doi: 10.1128/IAI.00410-08. Epub 2008 Sep 8.


Relapsing fever spirochetes retain infectivity after prolonged in vitro cultivation.

Lopez JE, Schrumpf ME, Raffel SJ, Policastro PF, Porcella SF, Schwan TG.

Vector Borne Zoonotic Dis. 2008 Dec;8(6):813-20. doi: 10.1089/vbz.2008.0033.


Novel relapsing fever spirochete in bat tick.

Gill JS, Ullmann AJ, Loftis AD, Schwan TG, Raffel SJ, Schrumpf ME, Piesman J.

Emerg Infect Dis. 2008 Mar;14(3):522-3. doi: 10.3201/eid1403.070766. No abstract available.


Diversity and distribution of Borrelia hermsii.

Schwan TG, Raffel SJ, Schrumpf ME, Porcella SF.

Emerg Infect Dis. 2007 Mar;13(3):436-42.


Purine salvage pathways among Borrelia species.

Pettersson J, Schrumpf ME, Raffel SJ, Porcella SF, Guyard C, Lawrence K, Gherardini FC, Schwan TG.

Infect Immun. 2007 Aug;75(8):3877-84. Epub 2007 May 14.


Relapsing fever spirochaetes produce a serine protease that provides resistance to oxidative stress and killing by neutrophils.

Guyard C, Battisti JM, Raffel SJ, Schrumpf ME, Whitney AR, Krum JG, Porcella SF, Rosa PA, DeLeo FR, Schwan TG.

Mol Microbiol. 2006 May;60(3):710-22.


Variable tick protein in two genomic groups of the relapsing fever spirochete Borrelia hermsii in western North America.

Porcella SF, Raffel SJ, Anderson DE Jr, Gilk SD, Bono JL, Schrumpf ME, Schwan TG.

Infect Immun. 2005 Oct;73(10):6647-58.


Phylogenetic analysis of the spirochetes Borrelia parkeri and Borrelia turicatae and the potential for tick-borne relapsing fever in Florida.

Schwan TG, Raffel SJ, Schrumpf ME, Policastro PF, Rawlings JA, Lane RS, Breitschwerdt EB, Porcella SF.

J Clin Microbiol. 2005 Aug;43(8):3851-9.


Relapsing fever spirochetes contain chromosomal genes with unique direct tandemly repeated sequences.

Guyard C, Chester EM, Raffel SJ, Schrumpf ME, Policastro PF, Porcella SF, Leong JM, Schwan TG.

Infect Immun. 2005 May;73(5):3025-37.


Glycerol-3-phosphate acquisition in spirochetes: distribution and biological activity of glycerophosphodiester phosphodiesterase (GlpQ) among Borrelia species.

Schwan TG, Battisti JM, Porcella SF, Raffel SJ, Schrumpf ME, Fischer ER, Carroll JA, Stewart PE, Rosa P, Somerville GA.

J Bacteriol. 2003 Feb;185(4):1346-56.


Serodiagnosis of Louse-Borne relapsing fever with glycerophosphodiester phosphodiesterase (GlpQ) from Borrelia recurrentis.

Porcella SF, Raffel SJ, Schrumpf ME, Schriefer ME, Dennis DT, Schwan TG.

J Clin Microbiol. 2000 Oct;38(10):3561-71.


The relapsing fever spirochete Borrelia hermsii contains multiple, antigen-encoding circular plasmids that are homologous to the cp32 plasmids of Lyme disease spirochetes.

Stevenson B, Porcella SF, Oie KL, Fitzpatrick CA, Raffel SJ, Lubke L, Schrumpf ME, Schwan TG.

Infect Immun. 2000 Jul;68(7):3900-8.


Rickettsia peacockii sp. nov., a new species infecting wood ticks, Dermacentor andersoni, in western Montana.

Niebylski ML, Schrumpf ME, Burgdorfer W, Fischer ER, Gage KL, Schwan TG.

Int J Syst Bacteriol. 1997 Apr;47(2):446-52.


GlpQ: an antigen for serological discrimination between relapsing fever and Lyme borreliosis.

Schwan TG, Schrumpf ME, Hinnebusch BJ, Anderson DE Jr, Konkel ME.

J Clin Microbiol. 1996 Oct;34(10):2483-92.


Nucleotide sequence and analysis of the gene in Borrelia burgdorferi encoding the immunogenic P39 antigen.

Simpson WJ, Cieplak W, Schrumpf ME, Barbour AG, Schwan TG.

FEMS Microbiol Lett. 1994 Jun 15;119(3):381-7.


DNA typing of rickettsiae in naturally infected ticks using a polymerase chain reaction/restriction fragment length polymorphism system.

Gage KL, Schrumpf ME, Karstens RH, Burgdorfer W, Schwan TG.

Am J Trop Med Hyg. 1994 Feb;50(2):247-60.


Distribution and molecular analysis of Lyme disease spirochetes, Borrelia burgdorferi, isolated from ticks throughout California.

Schwan TG, Schrumpf ME, Karstens RH, Clover JR, Wong J, Daugherty M, Struthers M, Rosa PA.

J Clin Microbiol. 1993 Dec;31(12):3096-108.


Identification of the tick-borne relapsing fever spirochete Borrelia hermsii by using a species-specific monoclonal antibody.

Schwan TG, Gage KL, Karstens RH, Schrumpf ME, Hayes SF, Barbour AG.

J Clin Microbiol. 1992 Apr;30(4):790-5.


Molecular and immunological analysis of a polymorphic periplasmic protein of Borrelia burgdorferi.

Simpson WJ, Schrumpf ME, Hayes SF, Schwan TG.

J Clin Microbiol. 1991 Sep;29(9):1940-8.


Changes in antigenic reactivity of Borrelia burgdorferi, the Lyme disease spirochete, during persistent infection in mice.

Schwan TG, Karstens RH, Schrumpf ME, Simpson WJ.

Can J Microbiol. 1991 Jun;37(6):450-4.


Antibody to a 39-kilodalton Borrelia burgdorferi antigen (P39) as a marker for infection in experimentally and naturally inoculated animals.

Simpson WJ, Burgdorfer W, Schrumpf ME, Karstens RH, Schwan TG.

J Clin Microbiol. 1991 Feb;29(2):236-43.


Reactivity of human Lyme borreliosis sera with a 39-kilodalton antigen specific to Borrelia burgdorferi.

Simpson WJ, Schrumpf ME, Schwan TG.

J Clin Microbiol. 1990 Jun;28(6):1329-37.


Identification of Borrelia burgdorferi and B. hermsii using DNA hybridization probes.

Schwan TG, Simpson WJ, Schrumpf ME, Karstens RH.

J Clin Microbiol. 1989 Aug;27(8):1734-8.


Polymorphisms of major surface proteins of Borrelia burgdorferi.

Barbour AG, Schrumpf ME.

Zentralbl Bakteriol Mikrobiol Hyg A. 1986 Dec;263(1-2):83-91.


A Borrelia-specific monoclonal antibody binds to a flagellar epitope.

Barbour AG, Hayes SF, Heiland RA, Schrumpf ME, Tessier SL.

Infect Immun. 1986 May;52(2):549-54.


Phenotypic variation and modulation in Bordetella bronchiseptica.

Peppler MS, Schrumpf ME.

Infect Immun. 1984 Jun;44(3):681-7.

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