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Patricia Holman

Research Associate Professor

Curriculum Vitae

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Phone: (979) 845-4202

Mailstop: 4467

Department: VTPB

Photo of Holman, Patricia


  • Ph.D. Veterinary Microbiology, Texas A&M University 1994
  • M.S. Immunology, University of Nebraska 1976
  • B.A. Biological Science, Winthrop College 1974

Scholarly Interests

Molecular mechanisms driving interactions between Babesia spp. and their hosts; characterization of potential vaccine or drug targets for babesiosis; molecular phylogeny of the hemoparasites; genetic basis of bovine resistance/susceptibility to ectoparasitism; development of molecular diagnostic tests for piroplasms.


Molecular detection of Babesia bovis and Babesia bigemina in white-tailed deer (Odocoileus virginianus) from Tom Green County in central Texas.
Holman PJ, Carroll JE, Pugh R, Davis DS.
Vet Parasitol. 2011 May; 177(3-4):298-304.
PMID: 21194841 [PubMed - indexed for MEDLINE]
Molecular and serologic evidence for Babesia bovis-like parasites in white-tailed deer (Odocoileus virginianus) in south Texas.
Ramos CM, Cooper SM, Holman PJ.
Vet Parasitol. 2010 Sep; 172(3-4):214-20.
PMID: 20605333 [PubMed - indexed for MEDLINE]
Sarcocystis sp. encephalomyelitis in a cat.
Bisby TM, Holman PJ, Pitoc GA, Packer RA, Thompson CA, Raskin RE.
Vet Clin Pathol. 2010 Mar; 39(1):105-12.
PMID: 19548967 [PubMed - indexed for MEDLINE]
Sarcocystis sp. encephalomyelitis in a cat.
49. Bisby, TM, PJ Holman, GA Pitoc, RA Packer, CA Thompson, RE Raskin.
Vet Clin Pathol. 2010 ; 39 (1):105-112 .
PMID: 19548967 []
Canine hepatozoonosis and babesiosis, and feline cytauxzoonosis.
Holman PJ, Snowden KF.
Vet Clin North Am Small Anim Pract. 2009 Nov; 39(6):1035-53, v.
PMID: 19932361 [PubMed - indexed for MEDLINE]
Detection of a large unnamed Babesia piroplasm originally identified in dogs in North Carolina in a dog with no history of travel to that state.
Holman PJ, Backlund BB, Wilcox AL, Stone R, Stricklin AL, Bardin KE.
J Am Vet Med Assoc. 2009 Oct; 235(7):851-4.
PMID: 19793016 [PubMed - indexed for MEDLINE]
Anthelmintic resistant Haemonchus contortus in a giraffe (Giraffa camelopardalis) in Florida.
Garretson PD, Hammond EE, Craig TM, Holman PJ.
J Zoo Wildl Med. 2009 Mar; 40(1):131-9.
PMID: 19368252 [PubMed - indexed for MEDLINE]
In vitro cultivation of a newly recognized Babesia sp. in dogs in North Carolina.
Lehtinen LE, Birkenheuer AJ, Droleskey RE, Holman PJ.
Vet Parasitol. 2008 Feb; 151(2-4):150-7.
PMID: 18083310 [PubMed - indexed for MEDLINE]
Phylogenetic and biologic evidence that Babesia divergens is not endemic in the United States.
Holman PJ.
Ann N Y Acad Sci. 2006 Oct; 1081:518-25.
PMID: 17135561 [PubMed - indexed for MEDLINE]
In vitro host erythrocyte specificity and differential morphology of Babesia divergens and a zoonotic Babesia sp. from eastern cottontail rabbits (Sylvilagus floridanus).
Spencer AM, Goethert HK, Telford SR 3rd, Holman PJ.
J Parasitol. 2006 Apr; 92(2):333-40.
PMID: 16729690 [PubMed - indexed for MEDLINE]
New ruminant hosts and wider geographic range identified for Babesia odocoilei (Emerson and Wright 1970).
Schoelkopf L, Hutchinson CE, Bendele KG, Goff WL, Willette M, Rasmussen JM, Holman PJ.
J Wildl Dis. 2005 Oct; 41(4):683-90.
PMID: 16456156 [PubMed - indexed for MEDLINE]
In vitro cultivation of a zoonotic Babesia sp. isolated from eastern cottontail rabbits (Sylvilagus floridanus) on Nantucket Island, Massachusetts.
Holman PJ, Spencer AM, Droleskey RE, Goethert HK, Telford SR 3rd.
J Clin Microbiol. 2005 Aug; 43(8):3995-4001.
PMID: 16081941 [PubMed - indexed for MEDLINE]
A comparison of homologous genes encoding aminopeptidases among bird and human Encephalitozoon hellem isolates and a rabbit E. cuniculi isolate.
Waters PF, Snowden KF, Holman PJ.
Parasitol Res. 2004 Aug; 93(5):410-8.
PMID: 15221463 [PubMed - indexed for MEDLINE]
Ribosomal RNA analysis of Babesia odocoilei isolates from farmed reindeer (Rangifer tarandus tarandus) and elk (Cervus elaphus canadensis) in Wisconsin.
Holman PJ, Bendele KG, Schoelkopf L, Jones-Witthuhn RL, Jones SO.
Parasitol Res. 2003 Nov; 91(5):378-83.
PMID: 14505046 [PubMed - indexed for MEDLINE]
Babesiosis and heartwater: threats without boundaries.
Wagner GG, Holman P, Waghela S.
Vet Clin North Am Food Anim Pract. 2002 Nov; 18(3):417-30, vi-vii.
PMID: 12442575 [PubMed - indexed for MEDLINE]
Genotypically unique Babesia spp. isolated from reindeer (Rangifer tarandus tarandus) in the United States.
Holman PJ, Swift PK, Frey RE, Bennett J, Cruz D, Wagner GG.
Parasitol Res. 2002 May; 88(5):405-11.
PMID: 12049456 [PubMed - indexed for MEDLINE]
In vitro generation of organophosphate resistant boophilus microplus (Acari: Ixodidae) cell lines.
Cossio-Bayugar R, Wagner GG, Holman PJ.
J Med Entomol. 2002 Mar; 39(2):278-84.
PMID: 11931027 [PubMed - indexed for MEDLINE]
Theileria buffeli infection of a Michigan cow confirmed by small subunit ribosomal RNA gene analysis.
Cossio-Bayugar R, Pillars R, Schlater J, Holman PJ.
Vet Parasitol. 2002 Apr; 105(2):105-10.
PMID: 11900924 [PubMed - indexed for MEDLINE]
A cathepsin L-like cysteine protease is conserved among Babesia equi isolates.
Holman PJ, Hsieh MM, Nix JL, Bendele KG, Wagner GG, Ball JM.
Mol Biochem Parasitol. 2002 Feb; 119(2):295-300.
PMID: 11814583 [PubMed - indexed for MEDLINE]
Antigenic, phenotypic and molecular characterization confirms Babesia odocoilei isolated from three cervids.
Holman PJ, Madeley J, Craig TM, Allsopp BA, Allsopp MT, Petrini KR, Waghela SD, Wagner GG.
J Wildl Dis. 2000 Jul; 36(3):518-30.
PMID: 10941738 [PubMed - indexed for MEDLINE]
A common high molecular weight antigen of Babesia bovis isolates from Mexico.
Sahagun Ruiz A, Waghela SD, Romany MM, Holman PJ, Melendy D, Cruz D, Wagner GG.
Int J Parasitol. 2000 Jan; 30(1):59-64.
PMID: 10675745 [PubMed - indexed for MEDLINE]
Restriction-fragment-length polymorphism analysis of small-subunit rRNA genes of Blastocystis isolates from animal hosts.
Snowden K, Logan K, Blozinski C, Hoevers J, Holman P.
Parasitol Res. 2000 Jan; 86(1):62-6.
PMID: 10669138 [PubMed - indexed for MEDLINE]
Restriction-fragment-length polymorphism analysis of small-subunit rRNA genes of Blastocystis hominis isolates from geographically diverse human hosts.
Hoevers J, Holman P, Logan K, Hommel M, Ashford R, Snowden K.
Parasitol Res. 2000 Jan; 86(1):57-61.
PMID: 10669137 [PubMed - indexed for MEDLINE]
Two Theileria cervi SSU RRNA gene sequence types found in isolates from white-tailed deer and elk in North America.
Chae JS, Waghela SD, Craig TM, Kocan AA, Wagner GG, Holman PJ.
J Wildl Dis. 1999 Jul; 35(3):458-65.
PMID: 10479079 [PubMed - indexed for MEDLINE]
Theileria sp. Infections associated with bovine fatalities in the United States confirmed by small-subunit rRNA gene analyses of blood and tick samples.
Chae J, Levy M, Hunt J Jr, Schlater J, Snider G, Waghela SD, Holman PJ, Wagner GG.
J Clin Microbiol. 1999 Sep; 37(9):3037-40.
PMID: 10449501 [PubMed - indexed for MEDLINE]
Babesia equi field isolates cultured from horse blood using a microcentrifuge method.
Holman PJ, Becu T, Bakos E, Polledo G, Cruz D, Wagner GG.
J Parasitol. 1998 Aug; 84(4):696-9.
PMID: 9714196 [PubMed - indexed for MEDLINE]
Nucleotide sequence heterogeneity in the small subunit ribosomal RNA gene variable (V4) region among and within geographic isolates of Theileria from cattle, elk and white-tailed deer.
Chae J, Lee J, Kwon O, Holman PJ, Waghela SD, Wagner GG.
Vet Parasitol. 1998 Feb; 75(1):41-52.
PMID: 9566093 [PubMed - indexed for MEDLINE]
Identical small subunit ribosomal RNA gene nucleotide sequence of bovine Theileria isolates (Korea and Japan) and Theileria buffeli (Marula, Kenya).
Chae JS, Kwon OD, Holman PJ, Waghela SD, Wagner GG, Lee JM.
Korean J Parasitol. 1998 Mar; 36(1):47-53.
PMID: 9529863 [PubMed - indexed for MEDLINE]
Biotin-labeled DNA probe in a PCR-based assay increases detection sensitivity for the equine hemoparasite Babesia caballi.
Sahagun-Ruiz A, Waghela SD, Holman PJ, Chieves LP, Wagner GG.
Vet Parasitol. 1997 Dec; 73(1-2):53-63.
PMID: 9477492 [PubMed - indexed for MEDLINE]
Culture isolation and partial characterization of a Babesia sp. from a North American elk (Cervus elaphus).
Holman PJ, Craig TM, Crider DL, Petrini KR, Rhyan J, Wagner GG.
J Wildl Dis. 1994 Jul; 30(3):460-5.
PMID: 7933298 [PubMed - indexed for MEDLINE]
Babesia equi erythrocytic stage continuously cultured in an enriched medium.
Holman PJ, Chieves L, Frerichs WM, Olson D, Wagner GG.
J Parasitol. 1994 Apr; 80(2):232-6.
PMID: 8158466 [PubMed - indexed for MEDLINE]
In vitro isolation and cultivation of a Babesia from an American woodland caribou (Rangifer tarandus caribou).
Holman PJ, Petrini K, Rhyan J, Wagner GG.
J Wildl Dis. 1994 Apr; 30(2):195-200.
PMID: 7913142 [PubMed - indexed for MEDLINE]
In vitro growth of Babesia bovis in white-tailed deer (Odocoileus virginianus) erythrocytes.
Holman PJ, Waldrup KA, Droleskey RE, Corrier DE, Wagner GG.
J Parasitol. 1993 Apr; 79(2):233-7.
PMID: 8459334 [PubMed - indexed for MEDLINE]
Culture confirmation of the carrier status of Babesia caballi-infected horses.
Holman PJ, Frerichs WM, Chieves L, Wagner GG.
J Clin Microbiol. 1993 Mar; 31(3):698-701.
PMID: 8458966 [PubMed - indexed for MEDLINE]
Non-immunologic methods of diagnosis of babesiosis.
Wagner G, Cruz D, Holman P, Waghela S, Perrone J, Shompole S, Rurangirwa F.
Mem Inst Oswaldo Cruz. 1992 ; 87 Suppl 3:193-9.
PMID: 1343690 [PubMed - indexed for MEDLINE]
In vitro cultivation of a Babesia isolated from a white-tailed deer (Odocoileus virginianus).
Holman PJ, Waldrup KA, Wagner GG.
J Parasitol. 1988 Feb; 74(1):111-5.
PMID: 3357095 [PubMed - indexed for MEDLINE]

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