Sarah A. Knutie
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For the most up-to-date list of publications, check out Google Scholar.

Butler, M., E. Stierhoff, J. Carpenetti*, M. Bertone, A. Addesso, S.A. Knutie. 2021. Oxidative damage increases with degree of simulated bacterial infection, but not ectoparasitism, in tree swallow nestlings. Journal of Experimental Biology 224:jeb243116.
 
Ingala, M.R., L. Albert, A. Addesso, M.J. Watkins, S.A. Knutie. 2021. Differential effects of elevated nest temperature and parasitism on the gut microbiota of wild avian hosts. Animal Microbiomes 3:67.
 
Romine, M., S.A. Knutie, C.M. Crow, G.J. Vaziri, J. Chaves, J.A.H. Koop, S. Lamichhaney. In press. The genome sequence of the avian vampire fly (Philornis downsi), an invasive nest parasite of Darwin’s finches. G3: Genes, Genomes, Genetics.
 
Ohmer, M., D. Costantini, G. Czirják, C. Downes, L. Ferguson, A. Flies, C. Franklin, A. Kayigwe, S.A. Knutie, C. Richards-Zawacki, R. Cramp. 2021. Applied Ecoimmunology: Using immunological tools to improve conservation efforts in a changing world. Conservation Physiology 9:coab074
 
Potvin, D.A., F. Opitz, K.A. Townsend, S.A. Knutie. 2021. Use of anthropogenic-related nest material and nest parasite prevalence have increased over the past two centuries in Australian birds. Oecologia 196:1207-1217.

McNew, S., T. Boquete, S. Espinoza-Ulloa, J. Andres, N. Wagemaker, S.A. Knutie, C. Richards, D. Clayton. 2021. Epigenetic effects of parasites and pesticides on captive and wild nestling birds. Ecology and Evolution 11:7713-7729. doi: 10.1002/ece3.7606

Harvey, J.A., K. Chernicky, S. Simons, T.B. Verrett, J.A. Chaves, S.A. Knutie. 2021. Urban living influences the nesting success of Darwin’s finches in the Galápagos Islands. Ecology and Evolution. doi: 10.1002/ece3.7360

Brown, C.R., S.L. Hannebaum, V.A. O’Brien, C.E. Page, B. Rannala, E.A. Roche, G. Wagnon, S.A. Knutie, A. Moore, M.B. Brown. 2021. The cost of ectoparasitism in cliff swallows declines over 35 years. Ecological Monographs 91:e01446. doi: 10.1002/ecm.1446

Addesso, A.M.*, J.A. Harvey, G.J. Vaziri, T.B. Verrett*, L. Albert*, T. Arthur*, K. Chernicky*, S. Simons*, J.A. Chaves, S.A. Knutie. 2020. Effect of introduced parasites on the survival and microbiota of nestling cactus finches (Geospiza scandens) in the Galapagos Islands. Journal of Ornithology 161:1011-1019. doi: 10.1007/s10336-020-01793-6

Bulgarella, M., Knutie, S.A., Voss, M.A., Cunninghame, F., Florence-Bennett, B.J., Robson, G., Keyzers, R.A., Taylor, L.M., Lester, P.J., Heimpel, G.E., Causton, C.E., 2020. Sub-lethal effects of permethrin exposure on a passerine: implications for managing ectoparasites in wild bird nests. Conservation Physiology 8: p.coaa076.

Quiroga, M.A.,T.I.  Hayes, C.D. Hayes, H. Garrod, L. Soares, S.A. Knutie, S.C. Latta, D.L. Anderson. 2020. More than just nestlings: incidence of subcutaneous Philornis (Diptera: Muscidae) nest flies in adult birds. Parasitology Research.

Sauer, E.L., J.M. Cohen, M.J. Lajeunesse, T.A. McMahon, S. Bessler, D.J. Civitello, B.K. Delius, N. Halstead, S.A. Knutie, K. Nguyen, N. Ortega, E.A. Roznik, B. Sears, M.D. Venesky, S. Young, J.R. Rohr. 2020. A meta-analysis reveals temperature, dose, life stage, and taxonomic effects on host susceptibility to a fungal parasite. Ecology 101:e02979.

Knutie, S.A. 2020. Food supplementation affects gut microbiota and immunological resistance to parasites in a wild bird species. Journal of Applied Ecology 57: 536-547.

McNew, S.M., S.A. Knutie, D.H. Clayton. 2020. No evidence of sex ratio manipulation by Galápagos mockingbirds in response to environment.  Journal of Avian Biology 51.

Beausoleil, M.-O., L.O. Frishkoff, L.K. M’Gonigle, J.A.M. Raeymaekers, S.A. Knutie, L.F. de León, S.K. Huber, J.A. Chaves, D.H. Clayton, J.A.H. Koop, J. Podos, D. Sharpe, A.P. Hendry, R.D.H. Barrett. 2019. Temporally varying disruptive selection in Darwin’s finches. Accepted at Proceedings for the Royal Society of London B ​286:20192290.


Grab, K.M., B.J. Hiller, J.H. Hurlbert, M.E. Ingram, A.B. Parker, D.Y. Pokutnaya, S.A. Knutie. 2019. Host tolerance and resistance to parasitic nest flies differ across two bird species. Ecology and Evolution. doi: 10.1002/ece3.5682

Knutie, S.A., J. Chaves, K.M. Gotanda. 2019. Human activity can influence the gut microbiota of Darwin’s finches in the Galapagos Islands. In press at Molecular Ecology. doi: 10.1111/mec.15088

McNew, S.M., S.A. Knutie,G.B. Goodman, A. Theodosopoulos, A. Saulsberry, J. Yepez R., S.E. Bush, D.H. Clayton. 2019. Annual environmental variation influences host tolerance to parasites. Proceedings of the Royal Society B: Biological Sciences 286. doi: 10.1098/rspb.2019.0049
 
Cohen, J.M., T.A. McMahon, C. Ramsay, E.A. Roznik, E.L. Sauer, S. Bessler, D.J. Civitello, B.K. Delius, N. Halstead, S.A. Knutie, K. Nguyen, N. Ortega, B. Sears, M.D. Venesky, S. Young, J.R. Rohr. 2019. Impacts of thermal mismatches on chytrid fungus Batrachochytrium dendrobatidisprevalence are moderated by life stage, body size, elevation and latitude. Ecology Letters 
22:817-825. doi: 10.1111/ele.13239

Trevelline, B.K., K.J. MacLeod, S.A. Knutie, T. Langkilde, K.D. Kohl. 2018. In ovo microbial communities: a potential mechanism for the initial acquisition of gut microbiota among oviparous vertebrates. Biology Letters. doi: 10.1098/rsbl.2018.0225

Knutie, S.A. 2018. Relationships among introduced parasites, host defenses, and gut microbiota of Galápagos birds. Ecosphere 9:e02286. doi: 10.1002/ecs2.2286

Knutie, S.A., K.M. Gotanda. 2018. A non-invasive method to collect fecal samples from wild birds for microbiome studies. Microbial Ecology. doi: 10.1007/s00248-018-1182-4

DeSimone, J. E.D. Clotfelter, B. Black, S.A. Knutie. 2018. Avoidance, tolerance, and resistance to ectoparasites in nestling and adult tree swallows. Journal of Avian Biology 49: jav-01641. doi: 10.1111/jav.01641

Gabor, C., S.A. Knutie, E. Roznik, J.R. Rohr. 2018. Are the adverse effects of stressors on amphibians mediated by their effects on stress hormones? Oecologia 186:393-404. doi: 10.1007/s00442-017-4020-3

Knutie, S.A., C. Gabor, K.D. Kohl, J.R. Rohr. 2018. Do host-associated gut microbiota mediate the effect of an herbicide on disease risk? Journal of Animal Ecology. 87:489-499. doi: 10.1111/1365-2656.12769

Knutie, S.A., L.A. Shea, M. Kupselaitis, C.L. Wilkinson, K.D. Kohl, J.R. Rohr. 2017. Early-life diet affects host microbiota and later-life defenses against parasites in frogs. Integrative and Comparative Biology 57:732-742. doi: 10.1093/icb/icx028

Knutie, S.A., C.L Wilkinson, K.D. Kohl, J.R. Rohr. 2017. Early-life disruption of amphibian microbiota decreases later-life resistance to parasites.  Nature Communications 8:86. doi: 10.1038/s41467-017-00119-0

McNew, S.M., D. Beck, I. Sadler-Riggleman, S.A. Knutie, J.A.H. Koop, D.H. Clayton, M.K. Skinner. 2017. Epigenetic variation between urban and rural populations of Darwin’s finches. BMC Evolutionary Biology 17:183. doi: 10.1186/s12862-017-1025-9

Delvare, G., G.E. Heimpel, H. Baur, D.D. Chadee, R. Martinez, S.A. Knutie. 2017. Description of Brachymeria philornisae sp. n. (Hymenoptera, Chalcididae), a parasitoid of the bird parasite Philornis trinitensis, with a review of the sibling Brachymeria species. Zootaxa 4242:34-60. doi: 10.11646/zootaxa.4242.1.2

Knutie, S.A., J.M. Herman, J.P. Owen, D.H. Clayton. 2017. Tri-trophic ecology of native parasitic nest flies of birds in Tobago. Ecosphere 8: e01670. doi:10.1002/ecs2.1670

Knutie, S.A., C.L. Wilkinson, Q.C. Wu, N. Ortega, J.R. Rohr. 2017. Host tolerance and resistance of parasitic gut worms depend on resource availability. Oecologia 83:1031-1040.

Heimpel, G.E., A. Hillstrom, D. Freund, S.A. Knutie, D.H. Clayton. 2017. Invasive parasites and the fate of Darwin’s finches in the Galapagos Islands: the case of the vegetarian finch.  The Wilson Journal of Ornithology 129:345-349. doi: 10.1676/16-050.1

Knutie, S.A., J.P. Owen, S.M. McNew, A.W. Bartlow, E. Arriero, J.M. Herman, E. DiBlasi, M. Thompson, J.A.H. Koop, D.H. Clayton. 2016. Galapagos mockingbirds tolerate introduced parasites that affect Darwin’s finches. Ecology 97:940-950.
 
Ehrsam, M., S.A. Knutie, J.R. Rohr. 2016. The herbicide atrazine induces hyperactivity and compromises tadpole detection of predator chemical cues. Environmental Toxicology and Chemistry. doi: 10.1002/etc.3377
 
Koop, J.A.H., P.S. Kim, S.A. Knutie, F. Adler, D.H. Clayton. 2015. Introduced parasitic fly may lead to local extinction of Darwin’s finch populations. Journal of Applied Ecology. doi: 10.1111/1365-2664.12575

Knutie, S.A., S.M. McNew, A.W. Bartlow, D.A. Vargas, D.H. Clayton. 2014. Darwin's finches combat introduced nest parasites with fumigated cotton. Current Biology 24: R355-356. Click here for press coverage.

Skinner, M.K., C. Guerrero-Bosagna, M.M. Haque, J.A.H. Koop, S.A. Knutie, D.H. Clayton. 2014. Epigenetics and the evolution of Darwin's finches. Genome Biology and Evolution DOI: 10.1093/gbe/evu158.

Knutie, S.A., J.A.H. Koop, S.S. French, D.H. Clayton. 2013. Experimental test of the effect of introduced hematophagous flies on corticosterone levels of breeding Darwin’s finches. General and Comparative Endocrinology 193: 68-71. 

Koop, J.A.H., J.P. Owen, S.A. Knutie, M.A. Aguilar, D.H. Clayton. 2013. Experimental demonstration of a parasite-induced immune response in wild birds: Darwin’s finches and introduced nest flies. Ecology and Evolution DOI: 10.1002/ece3.651.

Knutie, S.A., J.L. Waite, D.H. Clayton. 2013. Does avian malaria reduce fledging success: An experimental test of the selection hypothesis. Evolutionary Ecology DOI:10.1007/s10682-012-9578-y

Knutie, S.A., M.E. Pereyra. 2012. A comparison of winter stress responses in cardueline finches. Auk 129: 479-490.

Brown, C.R., A.T. Moore, V.A. O'Brien, A. Padhi, S.A. Knutie, G.R. Young and N. Komar. 2010. Natural infection of vertebrate hosts by different lineages of Buggy Creek virus (family Togaviridae, genus Alphavirus). Archives of Virology 155:745-749.

Brown, C.R., S.A. Strickler, A.T. Moore, S.A. Knutie, A. Padhi, M. B. Brown, G. R. Young, V. A. O'Brien and N. Komar. 2010. Winter ecology of Buggy Creek virus (Togaviridae, Alphavirus) in the central Great Plains. Vector-Borne and Zoonotic Diseases 10(4):355-363.

Brown, C.R., A.T. Moore, S.A. Knutie and N. Komar. 2009. Overwintering of infectious Buggy Creek virus (Togaviridae, Alphavirus) in Oeciacus vicarius (Cimicidae) in North Dakota. Journal of Medical Entomology 46:391-394.

Henly, S., A. Ostdiek, E. Blackwell, S. Knutie, A. Dunlap and D. Stephens. 2008. The discounting by interruptions hypothesis: model and experiment. Behavioral Ecology 19(1):154-162.

In Review/Revision:

Bygrave, J., Zylberberg, A. Addesso, S.A. Knutie. Influence of earlier human activity on gut microbiota and immune responses of Darwin’s finches in the Galapagos Islands. In review at Conservation Physiology. Invited for Special Issue: Ecoimmunology in a Changing World.
​
Harvey, J.A., 
S.A Knutie. Effect of RNA preservation methods on RNA quantity and quality of field collected avian whole blood. bioRxiv doi: 10.1101/2021.11.16.468897 In review at Avian Biology Research

Albert, L.*, S. Rumshlaug, A. Parker*, G. Vaziri, S.A. Knutie. 2021. Elevated nest temperature has opposing effects on host species infested with parasitic nest flies. bioRxiv doi: 10.1101/2021.05.07.440146  In review at Journal of Animal Ecology.


Basso, B. E. Poryanda, E. Grames, K. Grond, S.A. Knutie, S.M. Hird. Eggshell microbiome of a brood parasite reflects environment, not biological or foster parent. In review at Journal of Ornithology.

Yitbarek, S., J. Guittar, S.A. Knutie, M. Boots, B.C. Ogbunugabor. Deconstructing higher-order interactions in the microbiota: A theoretical examination. In revision at Journal of Animal Ecology. BioRxiv Pre-print

Raeymaekers, J.A.M., L.F. De León, J. Chaves, D.M.T. Sharpe, S.K. Huber, A. Herrel, B.Vanhooydonck, J.A.H. Koop, S.A. Knutie, D.H. Clayton, B.R. Grant, P.R. Grant, J. Podos, A.P. Hendry. Darwin's finches in space and time: exploring phenotypic variation within an adaptive radiation. In revision. 



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