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Title: Mosquitocidal toxins, genes and bacteria: The hit squad
Authors: Porter, A.G. 
Issue Date: May-1996
Source: Porter, A.G. (1996-05). Mosquitocidal toxins, genes and bacteria: The hit squad. Parasitology Today 12 (5) : 175-179. ScholarBank@NUS Repository.
Abstract: Certain entomopathogenic species of bacilli and Clostridium produce one or more toxins that kill mosquito larvae even at concentrations in the picomolar range. Altogether, 19 distinct genes are known that encode mosquitocidal toxins, which vary in their potency, species specificity and mode of action. Unlike chemical insecticides, mosquitocidal bacilli used as larvicides are safe for animals and the environment, and do not affect non-pest insects. Mosquitocidal bacteria are effective to varying degrees against Culex, Anopheles and Aedes mosquito larvae, but their rapid sedimentation from the larval feeding zone, UV-light sensitivity and narrow host range have hampered their development. New genetic engineering approaches are being investigated that could overcome these limitations and allow stable expression of broad host range combinations of toxins in UV-resistant, buoyant recombinant bacteria, as discussed here by Alan Porter.
Source Title: Parasitology Today
ISSN: 01694758
DOI: 10.1016/0169-4758(96)10013-2
Appears in Collections:Staff Publications

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