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  • Efficacy of sunlight-activatable porphyrin formulates on larvae of Anopheles gambiae M and S molecular forms and An. arabiensis: A potential novel biolarvicide for integrated malaria vector control

    Author(s)
    Fabris, C
    Ouédraogo, RK
    Coppellotti, O
    Dabiré, RK
    Diabaté, A
    Di Martino, P
    Guidolin, L
    Jori, G
    Lucantoni, L
    Lupidi, G
    Martena, V
    Sawadogo, SP
    Soncin, M
    Habluetzel, A
    Griffith University Author(s)
    Lucantoni, Leonardo
    Year published
    2012
    Metadata
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    Abstract
    Biolarvicides, such as microbial formulations based on Bacillus thuringiensis and B. sphaericus, have been found to be highly effective against mosquito larvae and are currently employed as eco-friendly alternatives to synthetic chemical insecticides for vector control. Recently, a porphyrin of natural origin has been suggested as a sunlight-activatable larvicide against the dengue vector Aedes aegypti. In order to validate the approach for the control of the malaria vector, we tested the photo-larvicidal activity of a novel porphyrin, namely meso-tri(N-methyl-pyridyl), mono(N-dodecyl-pyridyl)porphine, C12, associated with ...
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    Biolarvicides, such as microbial formulations based on Bacillus thuringiensis and B. sphaericus, have been found to be highly effective against mosquito larvae and are currently employed as eco-friendly alternatives to synthetic chemical insecticides for vector control. Recently, a porphyrin of natural origin has been suggested as a sunlight-activatable larvicide against the dengue vector Aedes aegypti. In order to validate the approach for the control of the malaria vector, we tested the photo-larvicidal activity of a novel porphyrin, namely meso-tri(N-methyl-pyridyl), mono(N-dodecyl-pyridyl)porphine, C12, associated with two specifically selected carriers, against Anopheles gambiae s.s. and An. arabiensis larvae, both laboratory reared and collected from malaria endemic sites in Burkina Faso. Both C12-porphyrin formulates, when administered to larvae at a 50 占porphyrin dose, were accumulated in the alimentary canal. Subsequent exposure of the porphyrin-loaded larvae to sunlight for short times (0.5-3 h) led to a complete mortality. The high efficacy exhibited by a "foodstuff" porphyrin formulate also in the presence of typical larval food particles opens promising perspectives for the development of an effective photocidal larvicide.
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    Journal Title
    Acta Tropica
    Volume
    123
    Issue
    3
    DOI
    https://doi.org/10.1016/j.actatropica.2012.05.011
    Subject
    Biological Sciences not elsewhere classified
    Biological Sciences
    Medical and Health Sciences
    Publication URI
    http://hdl.handle.net/10072/61573
    Collection
    • Journal articles

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