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Pieter TJ Johnson

TitleAssociate Professor
InstitutionUniversity of Colorado Boulder
DepartmentEcology & Evolutionary Biology
Phone303/492-5623

    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. McCaffrey K, Johnson PT. Drivers of symbiont diversity in freshwater snails: a comparative analysis of resource availability, community heterogeneity, and colonization opportunities. Oecologia. 2017 Apr; 183(4):927-938. PMID: 28039528.
      View in: PubMed
    2. Joseph MB, Stutz WE, Johnson PT. Multilevel Models for the Distribution of Hosts and Symbionts. PLoS One. 2016; 11(11):e0165768. PMID: 27832124.
      View in: PubMed
    3. Wood CL, Johnson PT. How Does Space Influence the Relationship Between Host and Parasite Diversity? J Parasitol. 2016 Oct; 102(5):485-494. PMID: 27351071.
      View in: PubMed
    4. Johnson PT, Wood CL, Joseph MB, Preston DL, Haas SE, Springer YP. Habitat heterogeneity drives the host-diversity-begets-parasite-diversity relationship: evidence from experimental and field studies. Ecol Lett. 2016 Jul; 19(7):752-61. PMID: 27147106; PMCID: PMC4902763 [Available on 07/01/17].
    5. Calhoun DM, Woodhams D, Howard C, LaFonte BE, Gregory JR, Johnson PT. Role of Antimicrobial Peptides in Amphibian Defense Against Trematode Infection. Ecohealth. 2016 Jun; 13(2):383-91. PMID: 26911920; PMCID: PMC4996749.
    6. Calhoun DM, Schaffer PA, Gregory JR, Hardy KM, Johnson PT. Experimental Infections of Bluegill with the Trematode Ribeiroia ondatrae (Digenea: Cathaemasiidae): Histopathology and Hematological Response. J Aquat Anim Health. 2015 Dec; 27(4):185-91. PMID: 26587684; PMCID: PMC4860968.
    7. Hannon ER, Kinsella JM, Calhoun DM, Joseph MB, Johnson PT. Endohelminths in Bird Hosts from Northern California and an Analysis of the Role of Life History Traits on Parasite Richness. J Parasitol. 2016 Apr; 102(2):199-207. PMID: 26579621; PMCID: PMC4855505.
    8. Wood CL, Johnson PT. A world without parasites: exploring the hidden ecology of infection. Front Ecol Environ. 2015 Oct; 13(8):425-434. PMID: 28077932.
      View in: PubMed
    9. Johnson PT, de Roode JC, Fenton A. Why infectious disease research needs community ecology. Science. 2015 Sep 04; 349(6252):1259504. PMID: 26339035; PMCID: PMC4863701.
    10. Johnson PT, Ostfeld RS, Keesing F. Frontiers in research on biodiversity and disease. Ecol Lett. 2015 Oct; 18(10):1119-33. PMID: 26261049; PMCID: PMC4860816.
    11. LaFonte BE, Raffel TR, Monk IN, Johnson PT. Quantifying larval trematode infections in hosts: A comparison of method validity and implications for infection success. Exp Parasitol. 2015 Jul; 154:155-62. PMID: 25888244.
      View in: PubMed
    12. Orlofske SA, Jadin RC, Johnson PT. It's a predator-eat-parasite world: how characteristics of predator, parasite and environment affect consumption. Oecologia. 2015 Jun; 178(2):537-47. PMID: 25648648.
      View in: PubMed
    13. Johnson PT, Hoverman JT. Heterogeneous hosts: how variation in host size, behaviour and immunity affects parasite aggregation. J Anim Ecol. 2014 Sep; 83(5):1103-12. PMID: 24548254.
      View in: PubMed
    14. Paull SH, Johnson PT. Experimental warming drives a seasonal shift in the timing of host-parasite dynamics with consequences for disease risk. Ecol Lett. 2014 Apr; 17(4):445-53. PMID: 24401007.
      View in: PubMed
    15. Preston DL, Jacobs AZ, Orlofske SA, Johnson PT. Complex life cycles in a pond food web: effects of life stage structure and parasites on network properties, trophic positions and the fit of a probabilistic niche model. Oecologia. 2014 Mar; 174(3):953-65. PMID: 24258100.
      View in: PubMed
    16. Johnson PT, Preston DL, Hoverman JT, LaFonte BE. Host and parasite diversity jointly control disease risk in complex communities. Proc Natl Acad Sci U S A. 2013 Oct 15; 110(42):16916-21. PMID: 24082092; PMCID: PMC3800997.
    17. LaFonte BE, Johnson PT. Experimental infection dynamics: using immunosuppression and in vivo parasite tracking to understand host resistance in an amphibian-trematode system. J Exp Biol. 2013 Oct 01; 216(Pt 19):3700-8. PMID: 23821713.
      View in: PubMed
    18. Lambden J, Johnson PT. Quantifying the biomass of parasites to understand their role in aquatic communities. Ecol Evol. 2013 Jul; 3(7):2310-21. PMID: 23919172; PMCID: PMC3728967.
    19. Preston DL, Orlofske SA, Lambden JP, Johnson PT. Biomass and productivity of trematode parasites in pond ecosystems. J Anim Ecol. 2013 May; 82(3):509-17. PMID: 23488451.
      View in: PubMed
    20. Johnson PT, Preston DL, Hoverman JT, Richgels KL. Biodiversity decreases disease through predictable changes in host community competence. Nature. 2013 Feb 14; 494(7436):230-3. PMID: 23407539.
      View in: PubMed
    21. Hoverman JT, Mihaljevic JR, Richgels KL, Kerby JL, Johnson PT. Widespread co-occurrence of virulent pathogens within California amphibian communities. Ecohealth. 2012 Sep; 9(3):288-92. PMID: 22766887.
      View in: PubMed
    22. Preston DL, Henderson JS, Johnson PT. Community ecology of invasions: direct and indirect effects of multiple invasive species on aquatic communities. Ecology. 2012 Jun; 93(6):1254-61. PMID: 22834365.
      View in: PubMed
    23. Orlofske SA, Jadin RC, Preston DL, Johnson PT. Parasite transmission in complex communities: predators and alternative hosts alter pathogenic infections in amphibians. Ecology. 2012 Jun; 93(6):1247-53. PMID: 22834364.
      View in: PubMed
    24. Johnson PT, Hoverman JT. Parasite diversity and coinfection determine pathogen infection success and host fitness. Proc Natl Acad Sci U S A. 2012 Jun 05; 109(23):9006-11. PMID: 22615371; PMCID: PMC3384156.
    25. Paull SH, Song S, McClure KM, Sackett LC, Kilpatrick AM, Johnson PT. From superspreaders to disease hotspots: linking transmission across hosts and space. Front Ecol Environ. 2012 Mar 01; 10(2):75-82. PMID: 23482675.
      View in: PubMed
    26. Johnson PT, Rohr JR, Hoverman JT, Kellermanns E, Bowerman J, Lunde KB. Living fast and dying of infection: host life history drives interspecific variation in infection and disease risk. Ecol Lett. 2012 Mar; 15(3):235-42. PMID: 22221837.
      View in: PubMed
    27. Johnson PT, Preston DL, Hoverman JT, Henderson JS, Paull SH, Richgels KL, Redmond MD. Species diversity reduces parasite infection through cross-generational effects on host abundance. Ecology. 2012 Jan; 93(1):56-64. PMID: 22486087.
      View in: PubMed
    28. Redmond MD, Hartson RB, Hoverman JT, De Jesús-Villanueva CN, Johnson PT. Experimental exposure of Helisoma trivolvis and Biomphalaria glabrata (Gastropoda) to Ribeiroia ondatrae (Trematoda). J Parasitol. 2011 Dec; 97(6):1055-61. PMID: 21671721.
      View in: PubMed
    29. Goodman BA, Johnson PT. Disease and the extended phenotype: parasites control host performance and survival through induced changes in body plan. PLoS One. 2011; 6(5):e20193. PMID: 21633498; PMCID: PMC3102088.
    30. Goodman BA, Johnson PT. Ecomorphology and disease: cryptic effects of parasitism on host habitat use, thermoregulation, and predator avoidance. Ecology. 2011 Mar; 92(3):542-8. PMID: 21608461.
      View in: PubMed
    31. Johnson PT, Buller ID. Parasite competition hidden by correlated coinfection: using surveys and experiments to understand parasite interactions. Ecology. 2011 Mar; 92(3):535-41. PMID: 21608460.
      View in: PubMed
    32. Johnson PT, McKenzie VJ, Peterson AC, Kerby JL, Brown J, Blaustein AR, Jackson T. Regional decline of an iconic amphibian associated with elevation, land-use change, and invasive species. Conserv Biol. 2011 Jun; 25(3):556-66. PMID: 21342266.
      View in: PubMed
    33. Daly EW, Johnson PT. Beyond immunity: quantifying the effects of host anti-parasite behavior on parasite transmission. Oecologia. 2011 Apr; 165(4):1043-50. PMID: 20857146.
      View in: PubMed
    34. Johnson PT, Bowerman J. Do predators cause frog deformities? The need for an eco-epidemiological approach. J Exp Zool B Mol Dev Evol. 2010 Nov 15; 314(7):515-8. PMID: 20718015.
      View in: PubMed
    35. Johnson PT, Thieltges DW. Diversity, decoys and the dilution effect: how ecological communities affect disease risk. J Exp Biol. 2010 Mar 15; 213(6):961-70. PMID: 20190121.
      View in: PubMed
    36. Johnson PT, Dobson A, Lafferty KD, Marcogliese DJ, Memmott J, Orlofske SA, Poulin R, Thieltges DW. When parasites become prey: ecological and epidemiological significance of eating parasites. Trends Ecol Evol. 2010 Jun; 25(6):362-71. PMID: 20185202.
      View in: PubMed
    37. Johnson PT, Townsend AR, Cleveland CC, Glibert PM, Howarth RW, McKenzie VJ, Rejmankova E, Ward MH. Linking environmental nutrient enrichment and disease emergence in humans and wildlife. Ecol Appl. 2010 Jan; 20(1):16-29. PMID: 20349828; PMCID: PMC2848386.
    38. Johnson PT, Lund PJ, Hartson RB, Yoshino TP. Community diversity reduces Schistosoma mansoni transmission, host pathology and human infection risk. Proc Biol Sci. 2009 May 07; 276(1662):1657-63. PMID: 19203926; PMCID: PMC2660983.
    39. Johnson PT, Ives AR, Lathrop RC, Carpenter SR. Long-term disease dynamics in lakes: causes and consequences of chytrid infections in Daphnia populations. Ecology. 2009 Jan; 90(1):132-44. PMID: 19294920.
      View in: PubMed
    40. Johnson PT, Olden JD, Solomon CT, Vander Zanden MJ. Interactions among invaders: community and ecosystem effects of multiple invasive species in an experimental aquatic system. Oecologia. 2009 Feb; 159(1):161-70. PMID: 18941789.
      View in: PubMed
    41. Johnson PT, Hartson RB. All hosts are not equal: explaining differential patterns of malformations in an amphibian community. J Anim Ecol. 2009 Jan; 78(1):191-201. PMID: 18671806.
      View in: PubMed
    42. Johnson PT, Hartson RB, Larson DJ, Sutherland DR. Diversity and disease: community structure drives parasite transmission and host fitness. Ecol Lett. 2008 Oct; 11(10):1017-26. PMID: 18616550.
      View in: PubMed
    43. Johnson PT, Chase JM, Dosch KL, Hartson RB, Gross JA, Larson DJ, Sutherland DR, Carpenter SR. Aquatic eutrophication promotes pathogenic infection in amphibians. Proc Natl Acad Sci U S A. 2007 Oct 02; 104(40):15781-6. PMID: 17893332; PMCID: PMC2000446.
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