Dr Gerardo’s Google Scholar Page

Stoy, K.S., Diaz-Almeyda, E.M., Bartelt, C., Acosta, A., Morran, L.T. & N.M. Gerardo. 2023. Host-associated transmission favors transition of a commensal towards antagonism. Evolution. 77(1):2512-2521.

Avila, L., McCullough, C., Schiffer, A., Moreno, J., Ganjur, N., Ofenloch, Z., Dupont, T., Nottingham, L., Gerardo, N.M. & B.J. Brosi. 2024. Effects of a field-sprayed antibiotic on bee foraging behavior and pollination in pear orchards. Agriculture, Ecosystems & Environment 359, 108757. doi: 10.1016/j.agee.2023.108757.

Mendiola, S.Y., Gerardo, N. M. & D.J. Civitello. 2024. Ecological modeling evaluates the potential impacts of symbionts on plant pathogen vectoring in field populations. Ecological Modelling 487, 110541. doi: 10.1016/j.ecolmodel.2023.110541.

Villa, S.M., Chen, J.Z., Kwong, Z., Acosta, A., Vega, N.M. & N.M. Gerardo. 2023. Specialized acquisition behaviors maintain reliable environmental transmission in an insect-microbial mutualism. Current Biology, 33(13): 2830-2838.e4

Beck, C.W., Cole, M.F. & N.M. Gerardo. 2023. Can we quantify if it’s a CURE? Journal of Microbiology and Biology Education. 24(1).

Stoy, K., Chavez, J., De Las Casas, V., Talla, V., Berasategui, A., Morran, L., Gerardo, N.M. 2023. Evaluating coevolution in a horizontally transmitted mutualism. Evolution, 77(1).

Gotting, K., May, D. S., Sosa-Calvo, J., Khadempour, L., Francoeur, C. B., Berasategui, A.*, Thairu, M. W., Sandstrom, S., Carlson, C. M., Chevrette, M. G., Pupo, M. T., Bugni, T. S., Schultz, T. R., Johnston, J. S., Gerardo, N. M., & C. R. Currie. 2022. Genomic diversification of the specialized parasite of the fungus-growing ant symbiosis. Proceedings of the National Academy of Sciences, 119(51), e2213096119.

Zelaya, A. J., Gerardo, N. M., Blumer, L. S., & C. W. Beck. 2022. Analysis of microbiomes using free web-based tools in online and in-person undergraduate science courses. CourseSource, 9.

Nusslock, R., Gerardo, N.M., Mascaro, J.S., Shreckengost, J. & M.M. Balgopal. 2022. Integrating authentic research into the Emory-Tibet Science Initiative. Frontiers in Communication. 7: 767547.

Hoang, K.L., Choi, H., Gerardo, N.M. & L.T. Morran. 2022. Coevolution’s conflicting role in the establishment of beneficial associations. Evolution. 76-5: 1073–1081.

Mendiola, S.Y., Civitello, D.J. & N.M. Gerardo. 2022. Competitive exclusion of phytopathogenic Serratia marcescens from squash bug vectors by the gut endosymbiont Caballeronia. Applied and Environmental Microbiology. 88: e01550-21.

Christopher Y., Aguilar C., Gálvez D., Wcislo W.T., Gerardo, N,M & H. Fernandez-Marin. 2021 Interactions among Escovopsis, antagonistic microfungi associated with the fungus-growing ant symbiosis. J. Fungi 7.

Acevedo, T.S., Fricker, G.P., Garcia, J.R., Alcaide, T., Berasategui, A., Stoy, K.S. & N.M. Gerardo. 2021. The importance of environmentally-acquired bacterial symbionts for the squash bug (Anasa tristis), a significant agricultural pest. Frontiers in Microbiology. 12: 719112.

Berasategui A., Moller, A. G., Weiss B., Beck, C.W., Bauchiero, C., Read, T.D., Gerardo, N.M. & H. Salem.* 2021 Symbiont genomic features and localization in the Bean Beetle Callosobruchus maculatus. Applied and Environmental Microbiology. 87: e0021221.

Tan W.-H., Talla, V., Mongue, A.J., de Roode J.C., Gerardo, N.M & J.R. Walters. 2021 Population genomics reveals variable patterns of immune gene evolution in monarch butterflies (Danaus plexippus). Molecular Ecology. 1–11.

Villa, S.M., Han, D.H., Jordan, M. & N.M. Gerardo. 2021. The resilience of reproductive interference. Evolutionary Ecology, 35: 537-553.

Hoang, K.L., Gerardo, N.M. & L.T. Morran. 2021. Association with a novel protective microbe facilitates host adaptation to a stressful environment. Evolution Letters. 5: 118-129.

Balgopal, M.M., Gerardo, N.M., Topden, J. & K. Gyatson. 2021. Moving past postcolonial hybrid spaces: How Buddhist monks make meaning of biology. Science Education, 105: 473-497.

Christopher, Y., Wcislo W.T., Martínez- Luis, S., Hughes, W.H.O., Gerardo N.M. & H. Fernández-Marín. 2021. Disease management in two sympatric Apterostigma fungus-growing ants for control of parasitic Escovopsis fungi. Ecology and Evolution. 11(11): 6041-6052.

Zelaya, A.J., Gerardo, N.M., Blumer, L.S & C.W. Beck. 2020. The bean beetle microbiome project: A course-based undergraduate research experience in microbiology. Frontiers in Microbiology. 11: 577621.

Stoy, K.S., Gerardo, N.M. & L.T. Morran. 2020. A need to consider the evolutionary genetics of host-symbiont mutualisms. Journal of Evolutionary Biology 33:1656–1668.

Salem, H., Kirsch, R., Pauchet Y., Berasategui, A., Fukumori, K., Moriyama, M., Cripps, M., Windsor, D., Fukatsu, T & N.M. Gerardo. 2020. Symbiont digestive range reflects host plant breadth in herbivorous beetles. Current Biology 30(15):2875-2886.e4

Gerardo, N.M., Hoang, K.L. & K.S. Stoy. 2020. Evolution of animal immunity in the light of beneficial symbioses. Philosophical Transactions of the Royal Society B 375: 20190601

Mendiola, S.Y., Civitello, D.J., and N.M. Gerardo. 2020. An integrative approach to symbiont-mediated vector control for agricultural pathogens. Current Opinions in Insect Science 39:57-62.

Hoang, K.L., Morran, L.T., and N.M. Gerardo. 2019. Can a symbiont (also) be food? Frontiers in Microbiology 10, 1–5.

Tan, W.-H., Acevedo, T., Harris, E.V., Alcaide, T.Y., Walters, J.R., Hunter, M.D., Gerardo, N.M. & J.C. de Roode. 2019. Transcriptomics of monarch butterflies (Danaus plexippus) reveals that toxic host plants alter expression of detoxification genes and down-regulate a small number of immune genes. Molecular Ecology. 28(22):4845-4863

Couret, J., Griffin-Huynh, L., Antolic-Soban, I, Acevedo-Gonzalez, T.S & N.M. Gerardo. 2019. Even obligate symbioses show signs of ecological contingency: impacts of symbiosis for an invasive stinkbug are mediated by host plant context. Ecology and Evolution. 9:9087–9099.

Harris, E., de Roode, J.R & N.M. Gerardo. 2019. Diet-microbiome-disease: Investigating diet’s influence on infectious disease. PLoS Pathogens. 15(10): e1007891

Hoang, K., Gerardo, N.M. & L. Morran. 2019. The effects of Bacillus subtilis on Caenorhabditis elegans fitness after heat stress. Ecology and Evolution, 1-9.

Reyes, M.L., Laughton, A.M., Parker, B.P., Acevedo, T., Wichmann, H., Fan, M., Sok, D., Hrček, J. & N.M. Gerardo. 2019. The influence of symbiotic bacteria on reproductive strategies and wing polyphenism in pea aphids responding to stress. Journal of Animal Ecology. 88(4):601-611.

Tan, W-H, Reyes ML, Hoang KL, Acevedo T, Leon F, Barbosa JD & NM Gerardo. 2018. How symbiosis and ecological context influence the variable expression of transgenerational wing induction upon fungal infection of aphids. PLoS One. 13(10): e0201865.

Cole M, Acevedo-Gonzalez T, Gerardo NM, Harris EV & CW Beck. 2018. Effect of diet on bean beetle microbial communities. In, McMahon K, editor. Tested Studies for Laboratory Teaching, Proceedings of the Association for Biology Laboratory Education. Vol 39, Article 3.

Birnbaum SSL, Rinker DC, Gerardo NM & P Abbot. 2017. Transcriptional profile and differential fitness across a cardenolide gradient in a specialist milkweed insect reveal the costs of response. Molecular Ecology. 26: 6742–6761.

Parker BJ, McLean AHC, Hrček J, Gerardo NM & HCJ Godfray. 2017. Establishment and maintenance of aphid endosymbionts after horizontal transfer is dependent on host biotype. Biology Letters. 13: 3: 20170016.

Parker BJ, Barribeau S, Laughton A, Griffin L & Gerardo NM. Life-history strategy determines constraints on immune function. Journal of Animal Ecology 86: 473–483.

Hoang K, Morran L & NM Gerardo. 2016. Experimental evolution as an underutilized tool for studying beneficial animal–microbe interactions. Frontiers in Microbiology . 7:1444.

De Man, T, Stajich, J.E., Kubicek, C.P., Teiling, Chenthamara, K., Atanasova, L., Druzhinina, I.S., Levenkova, N., Birnbaum, S.S.L., Barribeau, S.M., Bozick, B.A., Suen, G., Currie, C.R. & N.M.Gerardo. 2016. The small genome of the fungus Escovopsis weberi, a specialized disease agent of ant agriculture. Proceedings of the National Academy of Science of the United States of America. 113: 3567–3572.

Birnbaum, S.L. & N.M. Gerardo. 2016. Patterns of specificity of the pathogen Escovopsis across the fungus-growing ant symbiosis. The American Naturalist. 188(1):52-65.

Laughton, A.L., Garcia, J.R. & N.M. Gerardo. 2016. Condition-dependent alteration of cellular immunity by secondary symbionts in the pea aphid, Acyrthosiphon pisum. Journal of Insect Physiology. 86:17-24.

Salem, H., Florez, L., Gerardo, N.M., & M. Kaltenpoth. 2015. An out-of-body experience: the extracellular dimension for the transmission of mutualistic bacteria in insects. Proceedings of the Royal Society B. 282: 20142957.

Gerardo, N.M. 2015. Primer: Harnessing evolution to elucidate the consequences of symbiosis. PLoS Biology. 13(2): e1002066.

Searle, C.L., Housley Ochs, J., Caceres, C.E., Chiang, S., Gerardo, N.M., Hall, S.R. & M.A. Duffy. 2015. Plasticity, not genetic variation, drives infection success of a fungal parasite. Parasitology. 142(6):839-48.

Gerardo, N.M. & B.P. Parker. 2014. Mechanisms of symbiont-conferred protection against natural enemies: an ecological and evolutionary framework. Current Opinion in Insect Science. 4:8-14.

Costopoulos, K., Kovacs, J.L., Kamins, A. & N.M. Gerardo. 2014. Aphid facultative symbionts reduce survival of the predatory lady beetle Hippodamia convergens. BMC Ecology 14:5.

Parker, B.J., Garcia, J.R. & N.M. Gerardo. 2014. Genetic variation in resistance and fecundity tolerance in a natural host-pathogen interaction. Evolution. 68(8): 2421-9.

Garcia, J.R., Laughton, A.L., Malik, Z., Parker, B.J., Trincot, C., Chiang, S., Chung, E. & N. M. Gerardo. 2014. Partner associations within an environmentally-acquired insect-bacteria symbiosis. Molecular Ecology 23 (6): 1333–1347.

Barribeau, S.M., Parker, B.J. & N.M. Gerardo. 2014. Exposure to natural pathogens reveals costly aphid response to fungi but not bacteria. Ecology and Evolution 4(4): 488–493. 

Laughton, A.L., Fan, M.H. & N.M. Gerardo. 2014. Combined effects of symbionts and ageing on life history traits in the pea aphid, Acyrthosiphon pisum. Applied and Environmental Microbiology 80:470-477.

Gardner, W.A., Blount, J.L., Golec, J.R., Jones, W.A., Hu, X.P., Talamas, E.J., Evans, R.M., Dong, X., Ray, C.H., Buntin, G.D., Gerardo, N.M. & J. Couret**. 2013. Discovery of Paratelenomus saccharalis (Dodd) (Hymenoptera: Platygastridae), an egg parasitoid of Megacopta cribraria F. (Hemiptera: Plataspidae) in its expanded North American range. Journal of Entomological Science. 48(4):355-359.

ter Braak, B., Laughton, A.L., Altincicek, B., Parker, B.J. & N.M. Gerardo. 2013. Exposure to bacterial signals does not alter pea aphids’ survival upon a second challenge or investment in production of winged offspring. PloS One 8(8):e73600. 

Aylward, F., Burnum-Johnson, K., Tringe, S., Teiling, C., Tremmel, D., Moeller, J., Scott, J., Barry, K., Piehowski, P., Nicora, C., Malfatti, S., Monroe, M., Purvine, S., Goodwin, L., Smith, R., Weinstock, G., Gerardo, N.M., Suen, G., Lipton, M. & C.R. Currie. 2013. Leucoagaricus gongylophorus produces a diversity of enzymes for recalcitrant plant polymer degradation in leaf-cutter ant fungus gardens. Applied and Environmental Microbiology 79: 3770-3778.

Parker, B.J., Spragg, J., Altincicek, B., & N.M. Gerardo. 2013. Symbiont-mediated protection against fungal pathogens in pea aphids: a role for pathogen specificity? Applied and Environmental Microbiology 79: 2455-2458.

Barribeau, S. & N.M. Gerardo. 2012. An evolutionarily and ecologically based strategy for genome sequencing efforts. Heredity 108: 577-580.

Altincicek, B., Kovacs, J.L. & N.M. Gerardo. 2012. Horizontally-transferred fungal carotenoid genes in the two-spotted spider mite Tetranychus urticae. Biology Letters 8(2): 253-257.

Altincicek, B., ter Braak, B., Laughton, A.M., Udekwi, K.I. & N.M. Gerardo. 2011. Escherichia coli K-12 pathogenicity in the pea aphid, Acyrthosiphon pisum, reveals reduced antibacterial defense in aphids. Developmental and Comparative Immunology 35(10): 1091-1097.

Laughton, A.L., Hall, J.R., Strand, M., Altincicek, B. & N.M. Gerardo. 2011. Characterisation of immune responses in the pea aphid, Acyrthosiphon pisum. Journal of Insect Physiology 57(6): 830-839.

Parker, B.J., Barribeau, S.M., Laughton, A.L., de Roode, J.C. & N.M. Gerardo. 2011. Non-immunological defense in an evolutionary framework. Trends in Ecology and Evolution 26(5): 242-248.

De Roode, J., Rarick, R., Mongue. A., Gerardo, N.M., Hunter, M. 2011. Aphids indirectly increase virulence and transmission potential of a monarch butterfly parasite by reducing defensive chemistry of a shared food plant. Ecology Letters 14(5): 453-461.

Suen, G., Teiling, C., Li, L., Holt, C., Abouheif, E., Bornberg-Bauer, E., Bouffard, P., Caldera, E.J., Cash, E., Cavanaugh, A., Denas, O., Elhaik, E., Favé, M.J., Gadau, J., Gibson, J.D., Graur, D., Grubbs, K.J., Hagen, D.E., Harkins, T.T., Helmkampf, M., Hu, H., Johnson, B.R., Kim, J., Marsh, S.E., Moeller, J.A., Muñoz-Torres, M.C., Murphy, M.C., Naughton, M.C., Nigam, S., Overson, R., Rajakumar, R., Reese, J.T., Scott, J.J., Smith, C.R., Tao, S., Tsutsui, N.D., Viljakainen, L., Wissler, L., Yandell, M.D., Zimmer, F., Taylor, J., Slater, S.C., Clifton, S.W., Warren, W.C., Elsik, C.G., Smith, C.D., Weinstock, G.M., Gerardo, N.M. & C.R. Currie. 2011. The genome sequence of the leaf-cutter ant Atta cephalotes reveals insights into its obligate symbiotic lifestyle. PLoS Genetics. 7(2):e1002007.

Cafaro, M.J., Poulsen, M., Little, A.E.F., Price, S.L., Gerardo, N.M., Wong, B., Stuart, A.E., Larget, B., Abbot, P. & C.R. Currie. 2011. Specificity in the symbiotic association between fungus-growing ants and protective Pseudonocardia bacteria. Proceedings of the Royal Society of London, B 278(1713): 1814-1822.

Barribeau, S., Sok, D. & N.M. Gerardo. 2010. Aphid reproductive investment in response to mortality risk. BMC Evolutionary Biology. 10:article 251.

Gerardo, N.M., Altincicek, B., Anselme C., Atamian, H., Barribeau, S.B., de Vos, M, Duncan, E.J., Evans, J.D., Gabaldon, T., Ghanim, M., Heddi, A., Kaloshian, I., Latorre, A., Moya, A., Nakabachi, A., Parker, B.J., Perez-Brocal, V., Pignatelli, M., Rahbe, Y., Ramsey, J., Spragg, C., Tamames, J., Tamarit, D., Tamborindeguy, C., Vincent-Montegat, C. & A. Vilcinskas. 2010. Immunity and defense in pea aphids, Acyrthosiphon pisum. Genome Biology 11(2):R21. 

The International Aphid Genomics Consortium. 2010. Genome sequence of the pea aphid, Acyrthosiphon pisum. PLoS Biology 8(2):e1000313.

Poulsen, M., Erhardt, D., Little, A.E.F., Gerardo, N.M., Tebbets, B., Klein, B. & C.R. Currie. 2010. Variation in Pseudonocardia antibiotic defense helps govern parasite-induced morbidity in Acromyrmex leaf-cutting ants. Environmental Microbiology Reports 2(10):534-540.

Gerardo, N.M. & E.J. Caldera. 2007. Labile associations between fungus-growing ant cultivars and their garden pathogens. International Society for Microbial Ecology Journal (ISME). 1: 373-384.

Gerardo, N.M., U.G. Mueller & C.R. Currie. 2006. Complex host-pathogen coevolution in the Apterostigma fungus-growing ant-microbe symbiosis. BMC Evolutionary Biology 6(88).

Gerardo, N.M., Jacobs, S., Currie, C.R.. & U.G. Mueller. 2006. Ancient host-pathogen associations maintained by specificity of chemotaxis and antibiosis. Public Library of Science – Biology (PLOS Biology) 4(8): 1358-1363.

Moran, N.A., P. Tran , & N. M. Gerardo. 2005. Symbiosis and insect diversification: an ancient symbiont of sap-feeding insects from the bacterial phylum Bacteroidetes. Applied and Environmental Microbiology 71(12): 8802-8810.

Mueller, U.G., N.M. Gerardo, D. Aanen, D. Six & T. Schultz. 2005. The evolution of agriculture in insects. Annual Review of Ecology, Evolution and Systematics 36: 563-595.

Gerardo, N.M., U.G. Mueller, S. Price & C.R. Currie. 2004. Exploiting a mutualism: parasite specialization on cultivars within the fungus-growing ant symbiosis. Proceedings of the Royal Society B 271: 1791-1798.

Greeney, H.F. & N.M. Gerardo. 2001. Descriptions of the immature stages and oviposition behavior of Pyrrhogyra otolais (Nymphalidae). Journal of the Lepidopterists’ Society 54(3): 88-90.