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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Skin microbiome correlates with bioclimate and Batrachochytrium dendrobatidis infection intensity in Brazil's Atlantic Forest treefrogs

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Author(s):
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Ruthsatz, Katharina [1, 2] ; Lyra, Mariana L. [3, 4] ; Lambertini, Carolina [5] ; Belasen, Anat M. [6] ; Jenkinson, Thomas S. [7] ; Leite, Domingos da Silva [8] ; Becker, C. Guilherme [9] ; Haddad, Celio F. B. [3, 4] ; James, Timothy Y. [10] ; Zamudio, Kelly R. [6] ; Toledo, Luis Felipe [5] ; Vences, Miguel [1]
Total Authors: 12
Affiliation:
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Zool, Mendelssohnstr 4, D-38106 Braunschweig - Germany
[2] Univ Hamburg, Inst Zool, Martin Luther King Pl 3, D-20146 Hamburg - Germany
[3] Univ Estadual Paulista UNESP, Ctr Aquicultura CAUNESP, Sao Paulo - Brazil
[4] Univ Estadual Paulista UNESP, Inst Biociencias, Lab Herpetol, Depto Biodiversidade, Sao Paulo - Brazil
[5] Univ Estadual Campinas, Inst Biol, Dept Biol Anim, Lab Hist Nat Anfibios Brasileiros LaHNAB, Campinas, SP - Brazil
[6] Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY 14853 - USA
[7] Univ Calif Davis, Dept Wildlife Fish & Conservat Biol, Davis, CA 95616 - USA
[8] Univ Estadual Campinas, Inst Biol, Dept Genet Evolucao Microbiol & Imunol, Lab Antigenos Bacterianos 2, Caixa Postal 6109, BR-13083862 Campinas, SP - Brazil
[9] Univ Alabama, Dept Biol Sci, Tuscaloosa, AL 35847 - USA
[10] Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI 48109 - USA
Total Affiliations: 10
Document type: Journal article
Source: SCIENTIFIC REPORTS; v. 10, n. 1 DEC 18 2020.
Web of Science Citations: 3
Abstract

In Brazil's Atlantic Forest (AF) biodiversity conservation is of key importance since the fungal pathogen Batrachochytrium dendrobatidis (Bd) has led to the rapid loss of amphibian populations here and worldwide. The impact of Bd on amphibians is determined by the host's immune system, of which the skin microbiome is a critical component. The richness and diversity of such cutaneous bacterial communities are known to be shaped by abiotic factors which thus may indirectly modulate host susceptibility to Bd. This study aimed to contribute to understanding the environment-host-pathogen interaction determining skin bacterial communities in 819 treefrogs (Anura: Hylidae and Phyllomedusidae) from 71 species sampled across the AF. We investigated whether abiotic factors influence the bacterial community richness and structure on the amphibian skin. We further tested for an association between skin bacterial community structure and Bd co-occurrence. Our data revealed that temperature, precipitation, and elevation consistently correlate with richness and diversity of the skin microbiome and also predict Bd infection status. Surprisingly, our data suggest a weak but significant positive correlation of Bd infection intensity and bacterial richness. We highlight the prospect of future experimental studies on the impact of changing environmental conditions associated with global change on environment-host-pathogen interactions in the AF. (AU)

FAPESP's process: 16/25358-3 - The chytrid fungus: from its origins to its consequences
Grantee:Luis Felipe de Toledo Ramos Pereira
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 13/50741-7 - Diversity and conservation of Brazilian amphibians
Grantee:Célio Fernando Baptista Haddad
Support Opportunities: BIOTA-FAPESP Program - Thematic Grants
FAPESP's process: 11/51694-7 - Into the heart of an epidemic: a US-Brazil collaboration for integrative studies of the amphibian-killing fungus in Brazil
Grantee:Luis Felipe de Toledo Ramos Pereira
Support Opportunities: Regular Research Grants