Guilherme Becker

Associate Professor of Biology

Guilherme Becker

Research Summary

Host-microbial interactions, landscape genetics and the ecology of global change stressors. Building models and conducting field and laboratory experiments to understand the biotic and abiotic mechanisms driving wildlife disease dynamics in both tropical and temperate systems.

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Publication Tags

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Amphibians Amphibian Brazil Chytridiomycota Batrachochytrium Dendrobatidis Virulence Immune System Microbiota Fungi Pathogen Skin Climate Infection Infections Extinction Microbiome Habitats Ecosystem Pathogens Forests Phenotype Land Cover Skin (Animal) Environmental Factors Population

Most Recent Publications

Anthropogenic habitat modification linked to deformities in Cururu Toads from Fernando de Noronha

R. Reboucas, C. Guilherme Becker, J. Bacon, L. Toledo, Salamandra: German Journal of Herpetology

Haddadus binotatus (leaf litter frog)

R. Martins, I. Scheeffer, C. Guilherme Becker, HERPETOLOGICAL REVIEW

Selection of an anti-pathogen skin microbiome following prophylaxis treatment in an amphibian model system

Samantha A. Siomko, Sasha E. Greenspan, K. M. Barnett, Wesley J. Neely, Stanislava Chtarbanova, Douglas C. Woodhams, Taegan A. McMahon, C. Guilherme Becker, 2023, Philosophical Transactions of the Royal Society B: Biological Sciences

Host immune responses to enzootic and invasive pathogen lineages vary in magnitude, timing, and efficacy

Coby A. McDonald, C. Guilherme Becker, Carolina Lambertini, L. Felipe Toledo, Célio F.B. Haddad, Kelly R. Zamudio, 2023, Molecular Ecology on p. 2252-2270

Effects of environmental factors on the ecology and survival of a widespread, endemic Cerrado frog

Bruno F. Fiorillo, Gabriel Paganini Faggioni, Felipe Osmari Cerezer, C. Guilherme Becker, Juan C. Díaz-Ricaurte, Marcio Martins, 2023, Biotropica on p. 551-562

Habitat split as a driver of disease in amphibians

C. Guilherme Becker, Sasha E. Greenspan, Renato A. Martins, Mariana L. Lyra, Paula Prist, Jean Paul Metzger, Vinicius São Pedro, Célio F.B. Haddad, Emily H. Le Sage, Douglas C. Woodhams, Anna E. Savage, 2023, Biological Reviews

A retrospective overview of amphibian declines in Brazil's Atlantic Forest

Luís Felipe Toledo, Sergio Potsch de Carvalho-e-Silva, Ana Maria Paulino Telles de Carvalho-e-Silva, João Luiz Gasparini, Délio Baêta, Raoni Rebouças, Célio F.B. Haddad, C. Guilherme Becker, Tamilie Carvalho, 2023, Biological Conservation

Comparative host–pathogen associations of Snake Fungal Disease in sympatric species of water snakes (Nerodia)

Stephen F. Harding, C. Guilherme Becker, Jessica R. Yates, Paul Crump, Michael R.J. Forstner, Stephen J. Mullin, David Rodriguez, 2022, Scientific Reports

Low microbiome diversity in threatened amphibians from two biodiversity hotspots

Sasha E. Greenspan, Pedro Peloso, Jesualdo A. Fuentes-González, Molly Bletz, Mariana L. Lyra, Ibere F. Machado, Renato A. Martins, Daniel Medina, Diego Moura-Campos, Wesley J. Neely, Jackson Preuss, Marcelo J. Sturaro, Renata I. Vaz, Carlos A. Navas, Luís Felipe Toledo, Alexandro M. Tozetti, Miguel Vences, Douglas C. Woodhams, Célio F.B. Haddad, Jason Pienaar, C. Guilherme Becker, 2022, Animal Microbiome

Signatures of functional bacteriome structure in a tropical direct-developing amphibian species

Renato A. Martins, Sasha E. Greenspan, Daniel Medina, Shannon Buttimer, Vanessa M. Marshall, Wesley J. Neely, Samantha Siomko, Mariana L. Lyra, Célio F.B. Haddad, Vinícius São-Pedro, C. Guilherme Becker, 2022, Animal Microbiome

Most-Cited Papers

Long-term endemism of two highly divergent lineages of the amphibian-killing fungus in the Atlantic Forest of Brazil

D. Rodriguez, C. G. Becker, N. C. Pupin, C. F.B. Haddad, K. R. Zamudio, 2014, Molecular Ecology on p. 774-787

Historical amphibian declines and extinctions in Brazil linked to chytridiomycosis

Tamilie Carvalho, C. Guilherme Becker, Luís Felipe Toledo, 2017, Proceedings of the Royal Society B: Biological Sciences

Community richness of amphibian skin bacteria correlates with bioclimate at the global scale

Jordan G. Kueneman, Molly C. Bletz, Valerie J. McKenzie, C. Guilherme Becker, Maxwell B. Joseph, Juan G. Abarca, Holly Archer, Ana Lisette Arellano, Arnaud Bataille, Matthew Becker, Lisa K. Belden, Angelica Crottini, Robert Geffers, Célio F.B. Haddad, Reid N. Harris, Whitney M. Holden, Myra Hughey, Michael Jarek, Patrick J. Kearns, Jacob L. Kerby, Jos Kielgast, Atsushi Kurabayashi, Ana V. Longo, Andrew Loudon, Daniel Medina, José J. Nuñez, R. G.Bina Perl, Adrián Pinto-Tomás, Falitiana C.E. Rabemananjara, Eria A. Rebollar, Ariel Rodríguez, Louise Rollins-Smith, Robert Stevenson, Christoph C. Tebbe, Gabriel Vargas Asensio, Bruce Waldman, Jenifer B. Walke, Steven M. Whitfield, Kelly R. Zamudio, Ibrahim Zúñiga Chaves, Douglas C. Woodhams, Miguel Vences, 2019, Nature Ecology and Evolution on p. 381-389

Partitioning the net effect of host diversity on an emerging amphibian pathogen

C. Guilherme Becker, David Rodriguez, L. Felipe Toledo, Ana V. Longo, Carolina Lambertini, Décio T. Corrêa, Domingos S. Leite, Célio F.B. Haddad, Kelly R. Zamudio, 2014, Proceedings of the Royal Society B: Biological Sciences

Hybrids of amphibian chytrid show high virulence in native hosts

S. E. Greenspan, C. Lambertini, T. Carvalho, T. Y. James, L. F. Toledo, C. F.B. Haddad, C. G. Becker, 2018, Scientific Reports

Linking genetic and environmental factors in amphibian disease risk

Anna E. Savage, Carlos G. Becker, Kelly R. Zamudio, 2015, Evolutionary Applications on p. 560-572

Land cover and forest connectivity alter the interactions among host, pathogen and skin microbiome

C. G. Becker, A. V. Longo, C. F.B. Haddad, K. R. Zamudio, 2017, Proceedings of the Royal Society B: Biological Sciences

Host-associated microbiomes are predicted by immune system complexity and climate

Douglas C. Woodhams, Molly C. Bletz, C. Guilherme Becker, Hayden A. Bender, Daniel Buitrago-Rosas, Hannah Diebboll, Roger Huynh, Patrick J. Kearns, Jordan Kueneman, Emmi Kurosawa, Brandon C. Labumbard, Casandra Lyons, Kerry McNally, Klaus Schliep, Nachiket Shankar, Amanda G. Tokash-Peters, Miguel Vences, Ross Whetstone, 2020, Genome Biology

Rarity as an indicator of endangerment in neotropical frogs

Luís Felipe Toledo, C. Guilherme Becker, Célio F.B. Haddad, Kelly R. Zamudio, 2014, Biological Conservation on p. 54-62

Variation in phenotype and virulence among enzootic and panzootic amphibian chytrid lineages

C. G. Becker, S. E. Greenspan, K. E. Tracy, J. A. Dash, C. Lambertini, T. S. Jenkinson, D. S. Leite, L. F. Toledo, J. E. Longcore, T. Y. James, K. R. Zamudio, 2017, Fungal Ecology on p. 45-50