Please use this identifier to cite or link to this item: https://doi.org/10.1016/0378-1119(95)00836-5
Title: A Bacillus sphaericus gene encoding a novel type of mosquitocidal toxin of 31.8 kDa
Authors: Thanabalu, T. 
Porter, A.G. 
Keywords: ε-toxin
Culex quinquefasciatus
Cytotoxin
Insecticidal protein
Mosquito larvae
Issue Date: 17-Apr-1996
Citation: Thanabalu, T., Porter, A.G. (1996-04-17). A Bacillus sphaericus gene encoding a novel type of mosquitocidal toxin of 31.8 kDa. Gene 170 (1) : 85-89. ScholarBank@NUS Repository. https://doi.org/10.1016/0378-1119(95)00836-5
Abstract: A size-fractionated genomic library of Bacillus sphaericus strain SSII-1 was constructed and screened for toxicity against larvae of the mosquito Culex quinquefasciatus (Cq). One toxin-producing clone, pS35, was identified and a 2.7-kb subclone was completely sequenced, An open reading frame of 879 bp encoding a 31.8-kDa protein (designated Mtx2) was identified. Purified, recombinant Mtx2 was toxic to Cq larvae. Mtx2 shows no significant homology to known insecticidal toxins, but has homology to two toxins active against mammalian cells, namely the ε-toxin of Clostridium perfingens and the cytotoxin of Pseudomonas aeuruginosa. Thus, Mtx2 represents a new type of mosquitocidal toxin.
Source Title: Gene
URI: http://scholarbank.nus.edu.sg/handle/10635/111750
ISSN: 03781119
DOI: 10.1016/0378-1119(95)00836-5
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