Heather Michelle Fritz

Title(s)Academic Program Management Officer, California Animal Health & Food Safety Lab
SchoolSchool of Veterinary Medicine
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    Identifying components of Toxoplasma oocysts that confer environmental resistance
    NIH K01OD010917Jan 1, 2011 - Dec 31, 2015
    Role: Principal Investigator
    Identifying components of Toxoplasma oocysts that confer environmental resistance
    NIH K01RR031487Jan 1, 2011 - Dec 31, 2015
    Role: Principal Investigator

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Redefining piscine lactococcosis. Appl Environ Microbiol. 2024 Apr 10; e0234923. Heckman TI, Yazdi Z, Older CE, Griffin MJ, Waldbieser GC, Chow AM, Medina Silva I, Anenson KM, García JC, LaFrentz BR, Slavic D, Toohey-Kurth KL, Yant P, Fritz HM, Henderson EE, McDowall R, Cai H, Adkison M, Soto E. PMID: 38597602.
      View in: PubMed   Mentions:
    2. Fatal septicemia in 2 South American camelids with caudal C3-pyloric-duodenal adenocarcinoma. J Vet Diagn Invest. 2024 Mar 23; 10406387241239920. Abad C, Fritz H, Gonzales-Viera O. PMID: 38520120.
      View in: PubMed   Mentions:    Fields:    
    3. Antimicrobial Susceptibility in Respiratory Pathogens and Farm and Animal Variables in Weaned California Dairy Heifers: Logistic Regression and Bayesian Network Analyses. Antibiotics (Basel). 2024 Jan 04; 13(1). Morgan Bustamante BL, Chigerwe M, Martínez-López B, Aly SS, McArthur G, ElAshmawy WR, Fritz H, Williams DR, Wenz J, Depenbrock S. PMID: 38247609; PMCID: PMC10812578.
      View in: PubMed   Mentions:
    4. Salmonella enterica Serovar Dublin from Cattle in California from 1993 to 2019: Characterization and Analysis of Antimicrobial Resistance Diversity. Antibiotics (Basel). 2023 Dec 25; 13(1). Pereira RV, Fritz HM, Toohey-Kurth K, Clothier KA. PMID: 38247581; PMCID: PMC10812445.
      View in: PubMed   Mentions:
    5. Agreement among deep nasopharyngeal sampling culture results for 3 different swab types in preweaning dairy calves. JDS Commun. 2024 Jan; 5(1):57-60. Hoyos-Jaramillo A, Garzon A, Fritz HM, Byrne BA, Miramontes CC, Lehenbauer TW, Aly S, Pereira RV. PMID: 38223385; PMCID: PMC10785258.
      View in: PubMed   Mentions:
    6. Benefits and challenges of creating veterinary antibiograms for empiric antimicrobial selection in support of antimicrobial stewardship and advancement of one-health goals. Am J Vet Res. 2023 Sep 01; 84(9). Burbick CR, Fajt VR, Frey E, Fritz H, Goodman LB, Lorenz C, Lubbers BV, Marshall E, Rankin SC, Silva M. PMID: 37315936.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    7. In vitro evaluation of the effect of transport medium, temperature, and time on the recovery of Mannheimia haemolytica and Pasteurella multocida. JDS Commun. 2023 May; 4(3):214-218. Garzon A, Hoyos-Jaramillo A, Hustad S, Byrne BA, Fritz HM, Lehenbauer TW, Aly S, Pereira R. PMID: 37360122; PMCID: PMC10285246.
      View in: PubMed   Mentions: 1  
    8. Salmonella enterica Serovar Dublin from Cattle in California from 1993-2019: Antimicrobial Resistance Trends of Clinical Relevance. Antibiotics (Basel). 2022 Aug 17; 11(8). Fritz HM, Pereira RV, Toohey-Kurth K, Marshall E, Tucker J, Clothier KA. PMID: 36009979; PMCID: PMC9405026.
      View in: PubMed   Mentions: 3  
    9. In-vitro antibiotic resistance phenotypes of respiratory and enteric bacterial isolates from weaned dairy heifers in California. PLoS One. 2021; 16(11):e0260292. Depenbrock S, Aly S, Wenz J, Williams D, ElAshmawy W, Clothier K, Fritz H, McArthur G, Heller M, Chigerwe M. PMID: 34818352; PMCID: PMC8612539.
      View in: PubMed   Mentions: 2     Fields:    Translation:AnimalsCells
    10. A symbiotic bacterium of shipworms produces a compound with broad spectrum anti-apicomplexan activity. PLoS Pathog. 2020 05; 16(5):e1008600. O'Connor RM, Nepveux V FJ, Abenoja J, Bowden G, Reis P, Beaushaw J, Bone Relat RM, Driskell I, Gimenez F, Riggs MW, Schaefer DA, Schmidt EW, Lin Z, Distel DL, Clardy J, Ramadhar TR, Allred DR, Fritz HM, Rathod P, Chery L, White J. PMID: 32453775; PMCID: PMC7274485.
      View in: PubMed   Mentions: 13     Fields:    Translation:AnimalsCells
    11. Fatal Peritoneal Migration of Strongylus edentatus in a Foal. J Comp Pathol. 2019 Oct; 172:88-92. Gonzales-Viera O, Fritz H, Mete A. PMID: 31690421.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    12. Detection and genotypic characterization of Toxoplasma gondii DNA within the milk of Mongolian livestock. Parasitol Res. 2019 Jun; 118(6):2005-2008. Iacobucci E, Taus NS, Ueti MW, Sukhbaatar L, Bastsukh Z, Papageorgiou S, Fritz H. PMID: 30982139; PMCID: PMC6521982.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansAnimals
    13. Comparative analysis of Campylobacter isolates from wild birds and chickens using MALDI-TOF MS, biochemical testing, and DNA sequencing. J Vet Diagn Invest. 2018 May; 30(3):354-361. Lawton SJ, Weis AM, Byrne BA, Fritz H, Taff CC, Townsend AK, Weimer BC, Mete A, Wheeler S, Boyce WM. PMID: 29528812; PMCID: PMC6505823.
      View in: PubMed   Mentions: 11     Fields:    Translation:AnimalsCells
    14. High-throughput screen of drug repurposing library identifies inhibitors of Sarcocystis neurona growth. Int J Parasitol Drugs Drug Resist. 2018 04; 8(1):137-144. Bowden GD, Land KM, O'Connor RM, Fritz HM. PMID: 29547840; PMCID: PMC6114104.
      View in: PubMed   Mentions: 3     Fields:    Translation:Animals
    15. An in vitro model of intestinal infection reveals a developmentally regulated transcriptome of Toxoplasma sporozoites and a NF-κB-like signature in infected host cells. PLoS One. 2017; 12(3):e0173018. Guiton PS, Sagawa JM, Fritz HM, Boothroyd JC. PMID: 28362800; PMCID: PMC5376300.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansAnimalsCells
    16. PREVALENCE AND POTENTIAL IMPACT OF TOXOPLASMA GONDII ON THE ENDANGERED AMARGOSA VOLE (MICROTUS CALIFORNICUS SCIRPENSIS), CALIFORNIA, USA. J Wildl Dis. 2017 01; 53(1):62-72. Poulsen A, Fritz H, Clifford DL, Conrad P, Roy A, Glueckert E, Foley J. PMID: 27690194.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    17. Local admixture of amplified and diversified secreted pathogenesis determinants shapes mosaic Toxoplasma gondii genomes. Nat Commun. 2016 Jan 07; 7:10147. Lorenzi H, Khan A, Behnke MS, Namasivayam S, Swapna LS, Hadjithomas M, Karamycheva S, Pinney D, Brunk BP, Ajioka JW, Ajzenberg D, Boothroyd JC, Boyle JP, Dardé ML, Diaz-Miranda MA, Dubey JP, Fritz HM, Gennari SM, Gregory BD, Kim K, Saeij JP, Su C, White MW, Zhu XQ, Howe DK, Rosenthal BM, Grigg ME, Parkinson J, Liu L, Kissinger JC, Roos DS, Sibley LD. PMID: 26738725; PMCID: PMC4729833.
      View in: PubMed   Mentions: 126     Fields:    Translation:AnimalsCells
    18. Detection and characterization of diverse coccidian protozoa shed by California sea lions. Int J Parasitol Parasites Wildl. 2016 Apr; 5(1):5-16. Girard YA, Johnson CK, Fritz HM, Shapiro K, Packham AE, Melli AC, Carlson-Bremer D, Gulland FM, Rejmanek D, Conrad PA. PMID: 27141438; PMCID: PMC4840268.
      View in: PubMed   Mentions: 2  
    19. Toxoplasma gondii sporozoites invade host cells using two novel paralogues of RON2 and AMA1. PLoS One. 2013; 8(8):e70637. Poukchanski A, Fritz HM, Tonkin ML, Treeck M, Boulanger MJ, Boothroyd JC. PMID: 23940612; PMCID: PMC3734201.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansAnimalsCells
    20. Molecules to modeling: Toxoplasma gondii oocysts at the human-animal-environment interface. Comp Immunol Microbiol Infect Dis. 2013 May; 36(3):217-31. VanWormer E, Fritz H, Shapiro K, Mazet JA, Mazet JA, Conrad PA. PMID: 23218130; PMCID: PMC3779781.
      View in: PubMed   Mentions: 44     Fields:    Translation:HumansAnimalsCells
    21. Transcriptomic analysis of toxoplasma development reveals many novel functions and structures specific to sporozoites and oocysts. PLoS One. 2012; 7(2):e29998. Fritz HM, Buchholz KR, Chen X, Durbin-Johnson B, Rocke DM, Conrad PA, Boothroyd JC. PMID: 22347997; PMCID: PMC3278417.
      View in: PubMed   Mentions: 91     Fields:    Translation:AnimalsCells
    22. Proteomic analysis of fractionated Toxoplasma oocysts reveals clues to their environmental resistance. PLoS One. 2012; 7(1):e29955. Fritz HM, Bowyer PW, Bogyo M, Conrad PA, Boothroyd JC. PMID: 22279555; PMCID: PMC3261165.
      View in: PubMed   Mentions: 61     Fields:    Translation:HumansAnimalsCells
    23. Identification of tissue cyst wall components by transcriptome analysis of in vivo and in vitro Toxoplasma gondii bradyzoites. Eukaryot Cell. 2011 Dec; 10(12):1637-47. Buchholz KR, Fritz HM, Chen X, Durbin-Johnson B, Rocke DM, Ferguson DJ, Conrad PA, Boothroyd JC. PMID: 22021236; PMCID: PMC3232729.
      View in: PubMed   Mentions: 57     Fields:    Translation:HumansAnimalsCells
    24. Methods to produce and safely work with large numbers of Toxoplasma gondii oocysts and bradyzoite cysts. J Microbiol Methods. 2012 Jan; 88(1):47-52. Fritz H, Barr B, Packham A, Melli A, Conrad PA. PMID: 22037023; PMCID: PMC4281032.
      View in: PubMed   Mentions: 26     Fields:    Translation:HumansAnimalsCells
    25. Detection of Toxoplasma gondii oocysts and surrogate microspheres in water using ultrafiltration and capsule filtration. Water Res. 2010 Feb; 44(3):893-903. Shapiro K, Mazet JA, Mazet JA, Schriewer A, Wuertz S, Fritz H, Miller WA, Largier J, Conrad PA. PMID: 19836820.
      View in: PubMed   Mentions: 15     Fields:    Translation:AnimalsCells
    26. Cryptosporidium and Giardia in marine-foraging river otters (Lontra canadensis) from the Puget Sound Georgia Basin ecosystem. J Parasitol. 2007 Feb; 93(1):198-202. Gaydos JK, Miller WA, Gilardi KV, Melli A, Schwantje H, Engelstoft C, Fritz H, Conrad PA. PMID: 17436965.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansAnimals
    27. Clams (Corbicula fluminea) as bioindicators of fecal contamination with Cryptosporidium and Giardia spp. in freshwater ecosystems in California. Int J Parasitol. 2005 May; 35(6):673-84. Miller WA, Atwill ER, Gardner IA, Miller MA, Fritz HM, Hedrick RP, Melli AC, Barnes NM, Conrad PA. PMID: 15862580.
      View in: PubMed   Mentions: 14     Fields:    Translation:AnimalsCellsPHPublic Health
    28. Gammadelta+ T cells and 65-kDa heat shock protein expression following Cryptosporidium parvum challenge in athymic C57BL/6J nude mice. Immunol Lett. 2000 Apr 03; 72(1):35-8. Adjei AA, Curran BC, Castro M, Shrestha AK, Delsid L, Fritz H, Velez M, Enriquez FJ. PMID: 10789679.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
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