PublicationsClick on the links below to download a PDF
Porras-Brenes, K., Church, G., Clark, E., Fellenstein, A., and Saporito, R.A. (2023) Stiff-legged behaviour in the green and black poison frog Dendrobates auratus in response to simulated predation. Herpetological Bulletin, 166: 43-44. (PDF)
Sague, M., Dudaitis, V., Plumert, L., Umbers, K.D.L., Saporito, R.A., Lawrence, J.P. (2023) Alkaloid-based chemical defenses and diet in six species of Australian poison frogs in the genus Pseudophryne. Evolutionary Ecology, published online, Oct. 19. (PDF) Waters, K.R., Dugas, M.B, Grant, T. and Saporito, R.A. (2023) The ability to sequester the alkaloid epibatidine is widespread among dendrobatid poison frogs. Evolutionary Ecology, published online, Sep. 26. (PDF) Dugas, M.B., Brooks, O.L., Saporito, R.A., Cossio, R. (2023) Adult poison frogs can capture and consume tadpoles. Evolutionary Ecology, published online, Sep. 14. (PDF) Kizirian, D., Manual Padial, J., Povelikin, N., Overcast, I., Donnelly, M.A., Quitian, M., Segall, M., Kuhn, A., Campbell, G., and Saporito, R.A. (2023) Feedback in Batesian mimicry systems. Biological Journal of the Linnean Society 139: 326-335. (PDF) Lawrence, J.P., Rojas, B., Blanchette, A., Saporito, R.A., Mappes, J., Fouquet, A., and Noonan, B.P. (2023) Linking predator responses to alkaloid variability in poison frogs. Journal of Chemical Ecology 49: 195-204. (PDF) Brooks, O.L., James, J.J., and Saporito, R.A. (2023) Maternal chemical defenses predict offspring defenses in a dendrobatid poison frog. Oecologia 201: 385-396. (PDF) Villanueva, E.D., Brooks, O.L., Bolton, S.K., Savastano, S., Schulte, L.M., and Saporito, R.A. (2022) Maternal provisioning of alkaloid defenses are present in obligate but not facultative egg feeding dendrobatids. Journal of Chemical Ecology 48: 900 -909. (PDF) Jones, T.H., Harrison, D.P., Menegatti, C., Mevers, E., Knott, K., Marek, P., Hennen, D.A., Kasson, M.T., Macias, A.M., Lovett, B., and Saporito, R.A. (2022) Deoxybuzonamine Isomers from the Millipede Brachycybe lecontii (Platydesmida: Andrognathidae). Journal of Natural Products 85: 1134-1140. (PDF) Jeckel, A.M., Bolton, S.K., Waters, K.R., Antoniazzi, M.M., Jared, C., Matsumura, K., Nishikawa, K., Morimoto, Y., Grant, T., and Saporito, R.A. (2022) Dose-dependent alkaloid sequestration and N-methylation of decahydroquinoline in poison frogs. Journal of Experimental Zoology 2022: 1-10. (PDF) Okada, T., Wu, N., Takashima, K., Ishimura, J., Morita, H., Ito, T., Kodama, T., Yamasaki, Y., Akanuma, S., Kubo, Y., Hosoya, K., Tsuneki, H., Wada, T., Sasaoka, T., Shimizu, T., Sakai, H., Tanabe, G., Dwoskin, L.P., Hussain, S.R., Saporito, R.A., and Toyooka, N. (2021) Total synthesis of decahydroquinoline poison frog alkaloids ent-cis-195A and cis-211A. Molecules 26: 7529. (PDF) Davison, I., Saporito, R.A., Schulte, L.M., and Summers, K. (2021) Piperidine alkaloids from fire ants are not sequestered by the green and black poison frog (Dendrobates auratus). Chemoecology 31: 391-396. (PDF) Hassler, F.M., Harrison, D.P., Jones, T.H., Richart, C.H., and Saporito, R.A. (2020) Gosodesmine, a 7-substituted hexahydroindolizidine from the millipede Gosodesmus claremontus. Journal of Natural Products 83: 2764-2768. (PDF) Basham, E.W., Saporito, R.A., González-Pinzón, M., Romero-Marcucci, A., and Scheffers, B.R. (2020) Chemical defenses shift with the seasonal vertical migration of a Panamanian poison frog. Biotropica 53: 28-37. (PDF) Jeckel, A.M., Matsumura, K., Nishikawa, K., Morimoto, Y., Saporito, R.A., Grant, T., and Ifa, D.R. (2020) Use of whole-body cryosectioning and desorption electro spray ionization mass spectrometry imaging (DESI-MSI) to visualize alkaloid distribution in poison frogs. Journal of Mass Spectrometry 55: e4520. (PDF) Savastano, N., Lutz, K., Britton, A., and Saporito, R.A. (2020) Defensive behaviour exhibited by the yellow-striped poison frog (Dendrobates truncatus) in response to simulated predation. The Herpetological Bulletin 151: 41-42. (PDF) Brooks, O.L. and Saporito, R.A. (2019) For poison frogs, bitter is better. Special Issue: Venoms and Toxins. The Biochemist, Volume 41, Issue 6. Portland Press. (PDF) Jeckel, A.M., Kocheff, S., Saporito, R.A., and Grant, T. (2019) Geographically separated orange and blue populations of the Amazonian poison frog Adelphobates galactonotus (Anura, Dendrobatidae) do not differ in alkaloid composition or palatability. Chemoecology 29: 225-234. (PDF) Lawrence, J.P., Rojas, B., Fouquet, A., Mappes, J., Blanchette, A., Saporito, R.A., Bosque, R.J., Courtois, E.A., and Noonan, B. (2019) Weak warning signals can exist in the absence of gene flow. Proceedings of the National Academy of Sciences of the United States of America 116(38): 19037-19045. (PDF) Sanchez, E., Rodríguez, A., Grau, J., Lötters, S., Künzel, S., Saporito, R.A., Ringler, E., Schulz, S., Wollberg Valero, K.C., and Vences, M. (2019) Transcriptomic signatures of experimental alkaloid consumption in a poison frog. Genes 10: 733-746. (PDF) Thompson, M.E., Saporito, R.A., Ruiz-Valderrama, D.H., Medina-Rangel, G.F., and Donnelly, M.A. (2019) A field-based survey of fluorescence in tropical tree frogs using an LED UV-B flashlight. Herpetology Notes 12: 987-990. (PDF) Saporito, R.A., Russell, M.W., Richards-Zawacki, C.L., and Dugas, M.B. (2019) Experimental evidence for maternal provisioning of alkaloid defenses in a dendrobatid frog. Toxicon 161: 40-43. (PDF) Okada, T., Yamamoto, T., Kawasaki, M., Saporito, R.A., and Toyooka, N. (2018) Synthesis of 8-deoxypumiliotoxin 193H and 9-deoxypumiliotoxin 207O. Tetrahedron Letters 59: 3797-3800. (PDF) DeMarchi, J., Britton, A., O'Donnell, K., and Saporito, R.A. (2018) Behavioural preference for low levels of UV-B radiation in two neotropical frog species from Costa Rica. Journal of Tropical Ecology 34: 336-340. (PDF) Stuckert, A.M., Saporito, R.A., and Summers, K. (2018) An empirical test indicates only qualitative honest aposematic signaling within a population of vertebrates. Journal of Herpetology 52(2): 201-208. (PDF) Saporito, R.A. and Grant, T. (2018) Comment on Amézquita et al. (2018) "Conspicuousness, color resemblance, and toxicity in geographically diverging mimicry: The pan-Amazonian frog Allobates femoralis." Evolution 72-4: 1009-1014. (PDF) Hovey, K.J., Seiter, E.M., Johnson, E.E., and Saporito, R.A. (2018) Sequestered alkaloid defenses in the dendrobatid poison frog Oophaga pumilio provide variable protection from microbial pathogens. Journal of Chemical Ecology 44: 312-345. (PDF) Jones, T.H., Guthrie, D.M., Hogan, C.T., Robinson, D.J., Mesibov, R., Shear, W.A., Spande, T.F., and Saporito, R.A. (2018) The chemistry of some dalodesmidean millipedes from Tasmania (Diplopoda, Polydesmida). Journal of Natural Products 81: 171-177. (PDF) Bulbert, M.W., White, T.E., Saporito, R.A., and Kraus, F. (2018) Ontogenetic colour change in Oreophryne ezra (Anura: Microhylidae) reflects an unusual shift from conspicuousness to crypsis but not in toxicity. Biological Journal of the Linnean Society 123: 12-20. (PDF) Bolton, S.K., Dickerson, K., and Saporito, R.A. (2017) Variable alkaloid defense in the dendrobatid poison frog (Oophaga pumilio) are perceived as differences in palatability to arthropods. Journal of Chemical Ecology 43: 273-289. (PDF) Von Byern, J., Grunwald, I., Kosok, M., Saporito, R.A., Dicke, U., Wetjen, O., Thiel, K., Borcherding, K., Kowalik, T., Marchetti-Deschmann, M. (2017) Chemical characterization of the adhesive secretions of the salamander Plethodon shermani (Caudata, Plethodontidae). Scientific Reports 7:6647 1-13. (PDF) Blanchette, A. and Saporito, R.A. (2017) Deimatic behaviour exhibited by the green and black poison frog (Dendrobates auratus) after exposure from underneath a cover object. Herpetological Bulletin 140: 23-24. (PDF) Blanchette, A., Becza, N. and Saporito, R.A. (2017) Escape behaviour of aposematic (Oophaga pumilio) and cryptic (Craugastor sp.) frogs in response to simulated predator approach. Journal of Tropical Ecology 33: 165-169. (PDF) Gade, M.R., Hill, M., and Saporito, R.A. (2016) Color assortative mating in a mainland population of the poison frog Oophaga pumilio. Ethology 122: 1-8. (PDF) Schulte, L.M., Saporito, R.A., Davison, I., and Summers, K. (2016) The palatability of poison frogs: Do alkaloids make the difference? Biotropica 49(1): 23-26. (PDF) Blanchette, A. and Saporito, R.A. (2016) Defensive behaviour exhibited by the green and black poison frog (Dendrobates auratus) in response to simulated predation. Herpetological Bulletin 136: 39. (PDF) Crothers, L., Saporito, R.A., Yeager, J., Lynch, K., Friesen, C., Richards-Zawacki, C.L., McGraw, K., and Cummings, M. (2016) Warning signal properties covary with toxicity but not testosterone or aggregate carotenoids in a poison frog. Evolutionary Ecology 30(4): 601-621. (PDF) Davis, L.R., Klonoski, K., Rutschow, H.L., Van Wijk, K., Sun, Q., Haribal, M.M., Saporito, R.A., Vega, A., Rosenbaum, E.B., Zamudio, K.R., and Robertson, J.M. (2016) Host defense skin peptides vary with color pattern in the highly polymorphic red-eyed treefrog. Frontiers in Ecology & Evolution 4:97. (PDF) Murray, E.M., Bolton, S.K., Berg, T., and Saporito, R.A. (2016) Arthropod predation in a dendrobatid poison frog: Does frog life stage matter? Zoology 119: 169-174. (PDF) Hantak, M.M., Paluh, D.J, and Saporito, R.A. (2016) Bufadienolide and alkaloid-based chemical defences in two different species of neotropical anurans are equally effective against the same arthropod predators. Journal of Tropical Ecology 32: 165-169. (PDF) Jeckel, A.M., Saporito, R.A., and Grant, T. (2015) Variation in poison frog chemical defenses: Age explains richness, size explains quantity, sex explains nothing. Frontiers in Zoology 12: 27. (PDF) Saporito, R.A., Norton, R.A., Garraffo, H.M., and Spande, T.F. (2015) Taxonomic distribution of defensive alkaloids in Nearctic oribatid mites (Acari, Oribatida). Experimental and Applied Acarology 67: 317-333. (PDF) Andriamaharavo, N.R., Garraffo, H.M., Spande, T.F., Giddings, L., Vieites, D.R., Vences, M., and Saporito, R.A. (2015) Individual and geographic variation of skin alkaloids in three swamp-forest species of Madagascan poison frogs (Mantella). Journal of Chemical Ecology 41: 837-847 (PDF). Portik, D.M., Scheinberg, L.A., Blackburn, D.C., and Saporito, R.A. (2015) Lack of defensive alkaloids in the integumentary of four brilliantly colored African reed frog species (Hyperoliidae: Hyperolius). Herpetological Conservation and Biology 10: 833-838. (PDF) Jeckel, A.M., Grant, T., and Saporito, R.A. (2015) Sequestered and synthesized chemical defenses in the poison frog Melanophryniscus moreirae. Journal of Chemical Ecology 45: 505-512. (PDF) Mina, A.E., Ponti, A.K., Woodcraft, N.L., Johnson, E.E., and Saporito R.A. (2015) Variation in alkaloid-based microbial defenses of the dendrobatid poison frog Oophaga pumilio. Chemoecology 25: 169-178. (PDF) Paluh, D.J., Kenison, E.K., and Saporito, R.A. (2015) Frog or fruit? The importance of color and shape to bird predators in clay model experiments. Copeia 103: 58-63. (PDF) Stynoski, J.L., Torres-Mendoza, Y., Sasa-Marin, M., and Saporito, R.A. (2014) Evidence of maternal provisioning of alkaloid-based chemical defenses in the strawberry poison frog Oophaga pumilio. Ecology 95(3): 587-593. (PDF) Stuckert, A.M., Saporito, R.A., Venegas, P.J., and Summers, K. (2014) Alkaloid defenses of co-mimics in a putative Mullerian mimetic radiation. BMC Evolutionary Biology 14: 76-83. (PDF) Paluh, D.J., Hantak, M.M., and Saporito, R.A. (2014) A test of aposematism in the dendrobatid poison frog Oophaga pumilio: The importance of movement in clay model experiments. Journal of Herpetology 48: 249-254. (PDF) Hantak, M.M., Grant, T., Reinsch, S., McGinnity, D., Loring, M., Toyooka, N., and Saporito, R.A. (2013) Dietary alkaloid sequestration in a poison frog: An experimental test of alkaloid uptake in Melanophryniscus stelzneri (Bufonidae). Journal of Chemical Ecology 39(1): 1400-1406. (PDF) Wang, X., Li, J., Saporito, R.A., and Toyooka, N. (2013) Enantiodivergent synthesis of the quinolizidine poison frog alkaloid 195C. Tetrahedron 69: 10311-10315. (PDF) Okaki, T., Fujimura, R., Sekiguchi, M., Zhou, D., Sugimoto, K., Minato, D., Matsuya, Y., Kato, A., Adachi, I., Tezuka, Y., Saporito, R.A., and Toyooka, N. (2013) Stereoselective total synthesis of (-)-Batzellasides A, B, and C. European Journal of Organic Chemistry 14: 2841-2848. (PDF) Hegna, R.H., Saporito, R.A., Donnelly, M.A. (2013) Not all colors are equal: Predation and color polytypism in the aposematic poison frog Oophaga pumilio. Evolutionary Ecology 27(5): 831-845. (PDF) Wang, X., Urata, N., Tezuka, Y., Wada, T., Sasaoka, T., Sakai, H., Saporito, R.A., and Toyooka, N. (2012) Synthesis and biological activities of the 3,5-disubstituted indolizidine poison frog alkaloid 239Q and its congeners. European Journal of Organic Chemistry 36: 7082-7092. (PDF) Saporito, R.A., Donnelly, M.A., Spande, T.F., and Garraffo, H.M. (2012) A review of chemical ecology in poison frogs. Chemoecology 22: 159-168. (PDF) Grant, T., Colombo, P., Verrastro. L., and Saporito, R.A. (2012) The occurence of defensive alkaloids in non-integumentary tissue of the Brazilian red-belly toad Melanophryniscus simplex (Bufonidae). Chemoecology 22: 169-178. (PDF) Savitzky, A.H., Hutchinson, D.A., Saporito, R.A., Burghardt, G.M., Lillywhite, H.B., and Meinwald, J. (2012) Sequestered defensive toxins in tetrapod vertebrates: Principles, patterns, and prospects for future studies. Chemoecology 22: 141-158. (PDF) Savitzky, A.H. and Saporito, R.A. (2012) Sequestration of defensive toxins by tetrapod vertebrates: Contributions in memory of John W. Daly. Chemoecology 22: 139-140. (PDF) Hegna, R.H., Saporito, R.A., and Donnelly, M.A. (2011) Contrasting colors of an aposematic poison frog do not affect predation. Annales Zoologici Fennici 48: 29-38. (PDF) Saporito, R.A., Norton, R.A., Andriamaharavo, N.R., Garraffo, H.M., and Spande, T.F. (2011) Alkaloids in the mite Scheloribates laevigatus: Further alkaloids common to oribatid mites and poison frogs. Journal of Chemical Ecology 37(2): 213-218. (PDF) Saporito, R.A., Isola, M., Maccachero, V.C., Condon, K., Donnelly, M.A. (2010) Ontogenetic scaling of poison glands in a dendrobatid frog. Journal of Zoology 282(2010): 238-245. (PDF) Andriamaharavo, N.R., Garraffo, H.M., Saporito, R.A., Daly, J.W., Razafindrakoto, C.R., Andriantsiferana, M. and Spande, T.F. (2010) Roughing it: A mantellid poison frog shows greater alkaloid diversity in some disturbed habitats. Journal of Natural Products 73(3): 322-330. (PDF) Saporito, R.A., Donnelly, M.A., Madden, A.A., Garraffo, H.M., and Spande, T.F. (2010) Sex-related differences in alkaloid defenses of the dendrobatid frog Oophaga pumilio from Cayo Nancy, Bocas del Toro, Panama. Journal of Natural Products 73(3): 317-321. (PDF) Daly, J.W., Ware, N., Saporito, R.A., Spande, H.M., and Garraffo, H.M. (2009) N-Methyldecahydroquinolines: An unexpected class of alkaloids from Amazonian poison frogs (Dendrobatidae). Journal of Natural Products 72(6): 1110-1114. (please e-mail [email protected] for supplementary material) (PDF) Saporito, R.A., Spande, T.F., Garraffo, H.M., and Donnelly, M.A. (2009) Arthropod alkaloids in poison frogs: A review of the 'dietary hypothesis'. Heterocycles 79(1): 277-297. (PDF) Daly, J.W., Garraffo, H.M., Spande, T.F., Giddings, L.A., Saporito, R.A., Vieites, D.R., and Vences, M. (2008) Geographic variation of skin alkaloids among individuals of three species of Madagascan poison frogs (Mantella). Journal of Chemical Ecology 34(2): 252-279. (please e-mail [email protected] for supplementary material). (PDF) Saporito, R.A., Zuercher, R., Roberts, M., Gerrow, K.G. and Donnelly, M.A. (2007) Experimental evidence for aposematism in the poison frog Oophaga pumilio. Copeia 4: 1006-1011. (PDF) Saporito, R.A., Donnelly, M.A., Jain, P., Garraffo, H.M., Spande, T.F., and Daly, J.W. (2007) Spatial and temporal patterns of alkaloid variation in the poison frog Oophaga pumilio in Costa Rica and Panama over 30 years. Toxicon 50(6): 757-778. (please e-mail [email protected] for supplementary material). (PDF) Saporito, R.A., Donnelly, M.A., Norton, R., Garraffo, H.M., Spande, T.F., and Daly, J.W. (2007) Oribatid mites as a major dietary source for alkaloids in poison frogs. Proceedings of the National Academy of Sciences 104(21): 8885-8890. (please e-mail [email protected] for supplementary material). Erratum - Table 1, correction - PNAS, 105(45): 17586. (PDF) Saporito, R.A., Donnelly, M.A., Garraffo, H.M., Spande, T.F. and Daly, J.W. (2006) Geographic and seasonal variation in alkaloid-based chemical defenses of Dendrobates pumilio from Bocas del Toro, Panama. Journal of Chemical Ecology 32(4): 795-814. (PDF) Saporito, R.A., Garraffo, H.M., Donnelly, M.A., Edwards, A.L., Longino, J. T., and Daly, J.W. (2004) Formicine ants: An arthropod source for the pumiliotoxin alkaloids of dendrobatid frogs. Proceedings of the National Academy of Sciences 101(21): 8045-8050. (PDF) Saporito, R.A., Donnelly, M.A., Hoffman, R.L., Garraffo, H.M., and Daly, J.W. (2003) A siphonotid millipede (Rhinotus) as the source for the spiropyrrolizidine oximes of dendrobatid frogs. Journal of Chemical Ecology 9(12):2781-2786. (PDF) Natural History Publications Solano, M., Vega, A., and Saporito, R.A. (2017) Phyllobates lugubris (Lovely Poison Frog). Predation by Coniophanes fissidens (Yellowbelly Snake). Herpetological Review 48(4): 831. (PDF & PDF) Jones, A.W. and Saporito, R.A. (2016) Bird mobbing of Boa constrictor in a lowland tropical rainforest of Costa Rica. Herpetological Bulletin 137: 41. (PDF) Hovey, K.J., Viloria, M.O., and Saporito R.A. (2016) Oophaga pumilio (Strawberry Poison Frog). Predator-Prey Interactions. Herpetological Review 47(1): 113-114. (PDF) Saporito, R.A., Jones, A.W., and Snow, A. (2015) Pseustes poecilonotus (Bird-eating Snake). Predation by Herpetotheres cachinnans (Laughing Falcon). Herpetological Review 46(1): 106-107. (PDF) Alvarado, J.B., Alvarez, A., and Saporito, R.A. (2013) Oophaga pumilio (Strawberry Poison Frog). Predation by Baryphthengus martii (Rufous Motmot). Herpetological Review 44(2): 298. (PDF) Saporito, R.A. (2007) Gymnopis multiplicata (Purple Caecilian). Predation by Micrurus mipartitus (Many-banded Coral Snake). Predator prey interactions. Herpetological Review 38(2): 199. (PDF) |