A toxin-antitoxin system is essential for the stability of mosquitocidal plasmid pBsph of Lysinibacillus sphaericus
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چکیده
منابع مشابه
A novel transcriptional activator, tubX, is required for the stability of Bacillus sphaericus mosquitocidal plasmid pBsph.
Stable maintenance of the low-copy-number plasmid pBsph in Bacillus sphaericus requires a partitioning (par) system that consists of a filament-forming protein, B. sphaericus TubZ (TubZ-Bs); a centromere-binding protein, TubR-Bs; and a centromere-like DNA site, tubC, composed of three blocks (I, II, and III) of 12-bp degenerate repeats. Previous studies have shown that mini-pBsph replicons enco...
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Lysinibacillus sphaericus strains belonging the antigenic group H5a5b produce spores with larvicidal activity against larvae of Culex mosquitoes. C7, a new isolated strain, which presents similar biochemical characteristics and Bin toxins in their spores as the reference strain 2362, was, however, more active against larvae of Culex mosquitoes. The contribution of the surface layer protein (S-l...
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چکیده ندارد.
15 صفحه اولMtx toxins from Lysinibacillus sphaericus enhance mosquitocidal cry-toxin activity and suppress cry-resistance in Culex quinquefasciatus.
The interaction of Mtx toxins from Lysinibacillus sphaericus (formerly Bacillus sphaericus) with Bacillus thuringiensis subsp. israelensis Cry toxins and the influence of such interactions on Cry-resistance were evaluated in susceptible and Cry-resistant Culex quinquefasciatus larvae. Mtx-1 and Mtx-2 were observed to be active against both susceptible and resistant mosquitoes; however varying l...
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ژورنال
عنوان ژورنال: Microbiological Research
سال: 2018
ISSN: 0944-5013
DOI: 10.1016/j.micres.2018.06.013