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Metabolomics and screening of plant-insect interactions of plants from the subtribe Lychnophorinae (Asteraceae)

Grant number: 12/16646-4
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): January 01, 2013
Effective date (End): October 22, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Leonardo Gobbo Neto
Grantee:Maria Elvira Poleti Martucci
Host Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated research grant:10/51454-3 - Morphoanatomical, metabolomic and molecular studies as subsidies to the systematic of Asteraceae species and access to their pharmacological potential, AP.TEM


The Asteraceae family has about 11.000 genera and more than 20.000 species. The Lychnophorinae, belongs to the subtribe Vernonieae and has distribution restricted to Brazil. From the phytochemical viewpoint, it present STL from guaianolido and germacranolido type.The STL are known due to its anti-inflammatory, allelopathic, toxic and feeding deterrents to herbivores properties. In addition to the STL, the plants have an enormous diversity of secondary metabolites, in part attributed to their interactions with herbivores. These metabolites may have different mechanisms of defense against herbivores. However some adapted herbivores have developed mechanisms to survive the defenses of plants and may even accumulate, concentrate or modify these metabolites for their own benefit. Currently metabolomics techniques are effective for ecochemicals studies and metabolic profiles of plants. Thus, the aims of this project are to obtain metabolic profiles of plants from subtribe Lychnophorinae and insects that feed these plants in order to identify possible chemical interactions and still utilize the metabolic profiles of plants as chemotaxonomic tool to assist in the resolution of taxonomic classification this subtribe. Also, will be used as analytical tools equipment UHPLC-UV-MS and GC-MS as needed, in conjunction with statistical tools metabolomic

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Scientific publications (4)
(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)
IGUAL, MICHELLE OGAVA; POLETI MARTUCCI, MARIA ELVIRA; DA COSTA, FERNANDO BATISTA; GOBBO-NETO, LEONARDO. Sesquiterpene lactones, chlorogenic acids and flavonoids from leaves of Vernonia polyanthes Less (Asteraceae). Biochemical Systematics and Ecology, v. 51, p. 94-97, . (12/16646-4, 10/05820-8)
MARINHO, CRISTINA RIBEIRO; POLETI MARTUCCI, MARIA ELVIRA; GOBBO-NETO, LEONARDO; TEIXEIRA, SIMONE PADUA. Chemical composition and secretion biology of the floral bouquet in legume trees (Fabaceae). Botanical Journal of the Linnean Society, v. 187, n. 1, p. 5-25, . (09/01057-0, 12/16646-4, 08/55434-7)
POLETI MARTUCCI, MARIA ELVIRA; DE VOS, RIC C. H.; CAROLLO, CARLOS ALEXANDRE; GOBBO-NETO, LEONARDO. Metabolomics as a Potential Chemotaxonomical Tool: Application in the Genus Vernonia Schreb. PLoS One, v. 9, n. 4, . (12/16646-4)
POLETI MARTUCCI, MARIA ELVIRA; LOEUILLE, BENOIT; PIRANI, JOSE RUBENS; GOBBO-NETO, LEONARDO. Comprehensive untargeted metabolomics of Lychnnophorinae subtribe (Asteraceae: Vernonieae) in a phylogenetic context. PLoS One, v. 13, n. 1, . (12/16646-4, 10/51454-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MARTUCCI, Maria Elvira Poleti. Comprehensive untargeted metabolomics and screening of insect-plant interactions of Lychnnophorinae subtribe (Asteraceae: Vernonieae). 2016. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Ciências Farmacêuticas de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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