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Koch, R.E., C. Okegbe, C. Ramanathan, X. Zhu, E. Hare, M.B. Toomey*, G.E. Hill*, Y. Zhang* (2024), “Captivity affects mitochondrial aerobic respiration and carotenoid metabolism in the house finch (Haemorhous mexicanus)," Journal of Experimental Biology 227(9): jeb246980. * indicates equal contribution. Article (as preprint)

Khalil, S., E.D. Enbody, C. Frankl-Vilches, J.F. Welklin, R.E. Koch, M.B. Toomey, S.Y.W. Sin, S.V. Edwards, M. Gahr, H. Schwabl, M.S. Webster, and J. Karubian (2023), “Testosterone coordinates gene expression across different tissues to produce carotenoid-based red ornamentation," Molecular Biology and Evolution 40(4), msad056.


Toomey, M. B., C.I. Marques, P.M. Araújo, D. Huang, S. Zhong, Y. Liu, G.D. Schreiner, C.A. Myers, P. Pereira, S. Afonso, P. Andrade, M.A. Gazda, R.J. Lopes, I. Viegas, R.E. Koch, M.E. Haynes, D.J. Smith, Y. Ogawa, D. Murphy, R.E. Kopec, D.M. Parichy, M. Carniero, and J.C. Corbo (2022), “A mechanism for red coloration in vertebrates," Current Biology 32(19):4201-4214.


Koch, R.E. and D.K. Dowling (2022), "Effects of mitochondrial haplotype on pre-copulatory mating success in male fruit flies (Drosophila melanogaster)," Journal of Evolutionary Biology 35(10):1396-1402. Article


Koch, R.E. and G.E. Hill (2022), “Shared biochemical pathways for ornamentation and immune function: rethinking the mechanisms underlying honest signaling of parasite resistance,” in: V. Ezenwa, S. Altizer, R. Hall (eds.). Animal Behavior and Parasitism. Oxford University Press.

Koch, R.E., K.L. Buchanan, S. Casagrande, O. Crino, D.K. Dowling, G.E. Hill, W.R. Hood, M. McKenzie, M.M. Mariette, D.W.A. Noble, A. Pavlova, P. Sunnucks, E. Udino, C.R. White, K. Salin*, and S. Stier* (2021), "Integrating mitochondrial bioenergetics into ecology and evolution," Trends in Ecology and Evolution 36(4):321-332. (* denotes equal contribution)

Dowling, D.K., and R.E. Adrian (2019), “Challenges and Prospects for Testing the Mother's Curse Hypothesis,” Integrative and Comparative Biology icz110. Article (under former last name)

Koch, R.E., and G.E. Hill (2019) "Loss of Carotenoid Plumage Coloration is Associated with Loss of Choice for Coloration in Domestic Canaries," Frontiers in Ecology and Evolution 7:106. Article


Koch, R.E., A.N. Kavazis, D. Hasselquist, M. Staley, M.B. Toomey, and G.E. Hill (2019), "Testing the resource tradeoff hypothesis for carotenoid-based signal honesty using genetic variants of the domestic canary," Journal of Experimental Biology 222:jeb188102. Article

Lynn, B.M, B. Addison, A.G.D. Bean, K.L. Buchanan, O.L. Crino, J.R. Eastwood, A.S. Flies, R. Hamede, G.E. Hill, M. Klaasen, R.E. Koch, J.M. Martens, C. Napolitano, E.J. Narayan, L. Peacock, A.J. Peel, A. Peters, N. Raven, A. Risely, M.J. Roast, L.A. Rollins, M. Ruiz-Aravena, D. Selechnik, H.S. Stokes, B. Ujvari, and L. Grogan (2019), "Extreme competence: keystone hosts of infection," Trends in Ecology and Evolution 34(4):303-314. Article

Koch, R.E., J.M. Phillips, M.F. Camus, and D.K. Dowling (2018), “Maternal age effects on fecundity and offspring egg-to-adult viability are not affected by mitochondrial haplotype,” Ecology and Evolution 8(22):10722-10732. Article


Koch, R.E. and G.E. Hill (2018), “Do carotenoid-based ornaments entail resource tradeoffs? An evaluation of theory and data,” Functional Ecology 31(1):9-21. Article (Functional Ecology Insight) (Plain Language Summary)

Koch, R.E. and G.E. Hill (2018), "Behavioral mating displays depend on mitochondrial function: a potential mechanism for linking behavior to individual condition," Biological Reviews 93(3):1387-1398. Article

Koch, R.E., A.N. Kavazis, D. Hasselquist, W.R. Hood, Y. Zhang, and G.E. Hill (2018), "No evidence that carotenoid pigments boost either immune or antioxidant defenses in a songbird," Nature Communications 9(491). Article (Press Release) (Behind the Paper)

Toomey, M.B., R.J. Lopes, P.M. Araújo, J.D. Johnson, M. Gazda, S. Afonso, P.G. Mota, R.E. Koch, G.E. Hill, J.C. Corbo, and M. Carneiro (2017), “The high-density lipoprotein receptor, SCARB1, is required for carotenoid coloration in birds,” Proceedings of the National Academy of Sciences 114(20):5219–5224. Article


Weaver, R.J., R.E. Koch, and G.E. Hill (2017), "What maintains signal honesty in animal color displays used in mate choice?" Philosophical Transactions B 372(20160343). Article

Koch, R.E., C.J. Josefson, and G.E. Hill (2017), “Mitochondrial function, immunocompetence, and ornamentation,” Biological Reviews 92(3):1459-1474. Article

Koch, R.E. and G.E. Hill (2017), “An assessment of techniques to manipulate oxidative stress in animals,” Functional Ecology 31(1):9-21. Article


Koch, R.E., G.E. Hill, and K.J. McGraw (2016), “Effects of diet on plumage coloration and carotenoid deposition in red and yellow domestic canaries (Serinus canaria),” The Wilson Journal of Ornithology 128(2):328-333. Article


Koch, R.E., A.E. Wilson, and G.E. Hill (2016), “The importance of carotenoid dose in supplementation studies with songbirds,” Physiological and Biochemical Zoology 89(1):61–71. Article


Koch, R.E., and G.E. Hill (2015), “Rapid evolution of bright monochromatism in the Atlantic canary (Serinus canaria)," The Wilson Journal of Ornithology 127(4):615-621. Article


Koch, R.E., and G.E. Hill (2015), “A millennium of stasis in avian ornamentation? Implications for sexual selection theory," Ideas in Ecology and Evolution 8:70-75. Article


ArchMiller, A.A., E.F. Bauer, R.E. Koch, B.K. Wijayawardena, A. Anil, J.J. Kottwitz, A.S. Munsterman, and A.E. Wilson (2015), "Formalizing the definition of meta‐analysis in Molecular Ecology," Molecular Ecology 24:4042-4051. PDF


Koch, R.E., A.H. Krakauer, and G.E. Patricelli (2015), “Investigating female mate choice for mechanical sounds in male Greater Sage-Grouse," The Auk: Ornithological Advances 132:349-358. Article


I.S. Pearse, L.M. Porensky, L.H. Yang, M.L. Stanton, R. Karban, L. Bhattacharyya, R. Cox, K. Dove, A. Higgins, C. Kamoroff, T. Kirk, C. Knight, R.E. Koch, C. Parker, H. Rollins, and K. Tanner (2012), “Complex consequences of herbivory and interplant cues in three annual plants,” PLOS One 7: e38105. Article

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