N Buarque de Gusmão

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The effectiveness of some genetically engineered microorganisms in the control of plant disease pathogens is widely acknowledged. These biopesticides, so far, pose less danger to the environment. However, little attention has been paid to the potential benefit of the use of exometabolites of some microorganisms in spite of their known activity and high(More)
The conditions for optimal production of mycosporulone (1) are given. Its cytotoxic, antimicrobial, and antitumor activities are described. The biological activities of 1 were compared with those of known antibacterial, antifungal, and antitumor agents. The compound was particularly active against Pseudomonas aeruginosa and Staphylococcus aureus (resistant(More)
The chemical composition of fatty acids and ubiquinones was studied in 18 strains of Cunninghamella, to establish quantitative and qualitative differences within the genus. Fatty acids analysis has shown the presence of four groups. Ubiquinone analysis, through high performance liquid chromatography (HPLC), demonstrated the existence of three different(More)
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