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cc by (c) Mongui et al., 2015
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/69246

Development of a genetic tool for functional screening of anti-malarial bioactive extracts in metagenomic libraries

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BACKGROUND: The chemical treatment of Plasmodium falciparum for human infections is losing efficacy each year due to the rise of resistance. One possible strategy to find novel anti-malarial drugs is to access the largest reservoir of genomic biodiversity source on earth present in metagenomes of environmental microbial communities. METHODS: A bioluminescent P. falciparum parasite was used to quickly detect shifts in viability of microcultures grown in 96-well plates. A synthetic gene encoding the Dermaseptin 4 peptide was designed and cloned under tight transcriptional control in a large metagenomic insert context (30 kb) to serve as proof-of-principle for the screening platform. RESULTS: Decrease in parasite viability consistently correlated with bioluminescence emitted from parasite microcultures, after their exposure to bacterial extracts containing a plasmid or fosmid engineered to encode the Dermaseptin 4 anti-malarial peptide. CONCLUSIONS: Here, a new technical platform to access the anti-malarial potential in microbial environmental metagenomes has been developed.

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MONGUI, Alvaro, et al. Development of a genetic tool for functional screening of
                anti-malarial bioactive extracts in metagenomic libraries. Malaria Journal. 2015. Vol. 14, num. 233, pags. 1-6. ISSN 1475-2875. [consulted: 19 of August of 2026]. Available at: https://hdl.handle.net/2445/69246

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