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Contribution of the individual components of the d-endotoxin crystal to the mosquitocidal activity of Bacillus thuringiensis subsp. israelensis

journal contribution
posted on 2023-06-07, 19:43 authored by Neil CrickmoreNeil Crickmore, Eileen J Bone, Juliet A Williams, David J Ellar
The delta-endotoxin crystal of the mosquitocidal bacterium Bacillus thuringiensis subsp. israelensis contains four major delta-endotoxins. Expression systems were devised to synthesize each of the four toxins at concentrations at which they formed inclusion bodies in an acrystalliferous mutant of Bacillus thuringiensis. The relative activities of these inclusions were then determined against Aedes aegypti larvae. Bioassays of mixtures of the individual toxins revealed a number of synergistic interactions which explained in part why the native crystal is considerably more toxic than any of the individual toxins.

History

Publication status

  • Published

Journal

FEMS Microbiology Letters

ISSN

0378-1097

Publisher

Blackwell Publishing

Issue

3

Volume

131

Page range

249-254

Department affiliated with

  • Biochemistry Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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    University of Sussex (Publications)

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