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. Bernhard , K. , Jarrett , P. , Meadows , M. , Butt , J. , Ellis , D. , Roberts , G. , Pauli , S. , Rodgers , P. and Burges , H. ( 1997 ): Natural isolates of Bacillus thuringiensis: worldwide distribution, characterization, and activity

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Abstract  

A microcalorimetric technique based on the bacterial heat-output was explored to evaluate the effect of Mn(II) on Bacillus thuringiensis. The power-time curves of the growth metabolism of B. thuringiensis and the effect of Mn(II) on it were studied using an LKB-2277 BioActivity Monitor, ampoules method, at 28C. For evaluation of the results, the maximum peak-heat output power (P max) in the growth phase, the growth rate constants (k), the log phase heat effects (Q log ), and the total heat effect in 23 h (Q T) for B. thuringiensis were determined. Manganese has been regarded as the essential biological trace element. Mn(II) of different concentration have different effects on B. thuringiensis growth metabolism. High concentration (800-1600 μg mL-1) of Mn(II) can promote the growth of B. thuringiensis; low concentration (500-800 μg mL-1) can inhabit its growth.

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Bacillus thuringiensis to Colorado potato beetle (Coleoptera: Chrysomelidae). J. Econ. Entomol. 82, 750-755. Toxicity of a new strain of Bacillus thuringiensis to Colorado potato beetle (Coleoptera: Chrysomelidae

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binding of the Cry 11Bb toxin of Bacillus thuringiensis subsp. medellin to the midgut of mosquito larvae . Mem Inst Oswaldo Cruz 99 , 73 – 79 ( 2004 ). 3. El-sersy , N. A

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-Rivera, A., Benintende, G., Cozzi, J., Baizabal-Aguirre, V. M., Valdez-Alarcon, J. J., Lopez-Meza, J. E. (2004) Molecular characterization of Bacillus thuringiensis strains from Argentina. Antonie Van Leeuwenhoek 86 , 87

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58 9 14 Guan, X., Chen, J., Huang, Z., Tang, Y., Gao, R. (1998) Batch fermentation and optimization of media for Bacillus thuringiensis. Chin. J

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S Dawar MJ Zaki A Ghaffar 2006 Efficacy of Bacillus thuringiensis and Rhizobium meliloti

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Duraimurugan, P. and Regupathy, A. (2004): Biological suppression of synthetic pyrethroids resistance in Helicoverpa armigera (Hubner) by Bacillus thuringiensis subsp. kurstaki . International Symposium, Strategies for Sustainable Cotton

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Abstract  

The thermogenic curves of the aerobic metabolism of the three strains of Bacillus thuringiensis B.t. A, B.t. B and B.t. C have been determined by using an LKB-2277 BioActivity Monitor. B.t. A was the host bacterium without foreign gene. B.t. B and B.t. C were constructed by transforming different foreign genes into the host B.t. A, respectively. B.t. B expressed erythromycin resistant gene, while B.t. C expressed both erythromycin resistant gene and tyrosinase gene. The heat flow rate of these strains is B.t. A> B.t. B >B.t. C. These results indicated that there is obvious interrelation between expression of foreign genes and heat flow rate of B.t. strains.

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