Scholarship 12/01204-6 - Produtos naturais, Produtos naturais marinhos - BV FAPESP
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Natural products from marine microorganisms: chemical and biological study of endophytes associated to red alga Bostrychia radicans

Grant number: 12/01204-6
Support Opportunities:Scholarships in Brazil - Master
Start date until: June 01, 2012
End date until: December 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Hosana Maria Debonsi
Grantee:Barbara Boretti Galizoni
Host Institution: Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

The marine environment has been recognized as an important source of biologically active secondary metabolites. In this context, the microorganisms isolated from marine algae, such as endophytic fungi have gained importance in recent decades as alternative targets for research on natural products, mainly due to the scarcity of scientific reports published so far. The Organic Chemistry Laboratory of the Marine Environment of FCFRP-USP has been studying the red algae species Bostrychia radicans (Rhodomdelaceae), which allowed the isolation of endophytic fungi associated with it. Thus, we will be made chemical and biological screening of extracts and fractions obtained from cultures of endophytic fungi associated with red algae from B. radicans species. For chemical screening, chromatographic techniques will be used as thin layer chromatography (TLC), high performance liquid chromatography (HPLC) and hyphenated techniques (LC-MS). In order to establish the biological profile, bioassays will be conducted to evaluate the antibacterial and antitumor potential. The extracts and fractions that will display significant activity and /or interesting chemical profile will be produced in larger amounts for isolation and elucidation chemical structures. So, this project aims to assess the relationship between the secondary metabolites biosynthesized by endophytic microorganisms and the host Bostrychia radicans, as well as obtaining new natural compounds with pharmacological potential from the studied microorganisms.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
GALIZONI, Barbara Boretti. Natural products from marine microorganisms: chemical and biological study of endophytes associated to red algae Bostrychia radicans. 2014. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Ciências Farmacêuticas de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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