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Chemical ecology in anurans: characterization of volatile compounds and peptide pheromones from the skin secretions of frogs

Grant number: 14/20915-6
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2015
Effective date (End): January 01, 2019
Field of knowledge:Biological Sciences - Zoology
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Norberto Peporine Lopes
Grantee:Andrés Eduardo Brunetti
Home Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated research grant:13/50741-7 - Diversity and conservation of Brazilian amphibians, AP.BTA.TEM
Associated scholarship(s):17/23725-1 - Genomic analysis of skin symbiotic bacteria in frogs as potential source of volatile compounds, BE.EP.PD

Abstract

Biochemical studies from the skin secretions of anurans describe an extraordinary diversity of bioactive compounds, whereas some of them have suggested that chemical communication may have important roles in the reproductive biology of some species. Although there are reports in literature commenting the occurrence of volatile secretions emitted under stress conditions, as well as the existence of volatile and peptide pheromones, only a few works have identified chemical compounds capable of acting as chemical signals. Also, males of several species possess sexually dimorphic skin glands (SDSGs), a possible source of pheromones. The present project aimed to characterize the volatile secretions and to identified the components of SDSGs in species of the tribe Cophomantini (Anura: Hylidae: Hylinae), considering the occurrence of this type of compounds and the presence of SDSGs in several species of this tribe. From the analysis of volatile compounds is expected: (1) to obtain information of the chemical structure and structural diversity of the molecules responsible of the smell, and (2) to determine the biochemical origin of compounds. From the analysis of secretions from SDSGs is expected to identified and characterize the structure of peptides occurring exclusively in males. The results obtained from this project will be an important contribution to the knowledge of the diversity of volatile compounds and of sexual pheromones in anurans, whereas may provide useful information for future researches in the field of chemical communication of this group of animals (AU)

Articles published in Agência FAPESP about the scholarship:
Bacteria may help frogs attract mates 

Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BRUNETTI, ANDRES E.; LYRA, MARIANA L.; MELO, WEILAN G. P.; ANDRADE, LAURA E.; PALACIOS-RODRIGUEZ, PABLO; PRADO, BARBARA M.; HADDAD, CELIO F. B.; PUPO, MONICA T.; LOPES, NORBERTO P. Symbiotic skin bacteria as a source for sex-specific scents in frogs. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v. 116, n. 6, p. 2124-2129, FEB 5 2019. Web of Science Citations: 0.
BRUNETTI, ANDRES E.; MARANI, MARIELA M.; SOLDI, RAFAEL A.; MENDONCA, JACQUELINE NAKAU; FAIVOVICH, JULIAN; CABRERA, GABRIELA M.; LOPES, NORBERTO P. Cleavage of Peptides from Amphibian Skin Revealed by Combining Analysis of Gland Secretion and in Situ MALDI Imaging Mass Spectrometry. ACS OMEGA, v. 3, n. 5, p. 5426-5434, MAY 2018. Web of Science Citations: 2.
BRUNETTI, A. E.; CARNEVALE NETO, F.; VERA, M. C.; TABOADA, C.; PAVARINI, D. P.; BAUERMEISTER, A.; LOPES, N. P. An integrative omics perspective for the analysis of chemical signals in ecological interactions. CHEMICAL SOCIETY REVIEWS, v. 47, n. 5, p. 1574-1591, MAR 7 2018. Web of Science Citations: 11.
BRUNETTI, A. E.; MUNOZ SARAVIA, A.; BARRIONUEVO, J. S.; REICHLE, S. Silent sounds in the Andes: underwater vocalizations of three frog species with reduced tympanic middle ears (Anura: Telmatobiidae: Telmatobius). CANADIAN JOURNAL OF ZOOLOGY, v. 95, n. 5, p. 335-343, MAY 2017. Web of Science Citations: 2.
TABOADA, CARLOS; BRUNETTI, ANDRES E.; PEDRON, FEDERICO N.; NETO, FAUSTO CARNEVALE; ESTRIN, DARIO A.; BARI, SARA E.; CHEMES, LUCA B.; LOPES, NORBERTO PEPORINE; LAGORIO, MARIA G.; FAIVOVICH, JULIAN. Naturally occurring fluorescence in frogs. Proceedings of the National Academy of Sciences of the United States of America, v. 114, n. 14, p. 3672-3677, APR 4 2017. Web of Science Citations: 18.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.
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