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Acta Alimentaria
Authors: J. A. Grahovac, Z. Z. Rončević, I. Ž. Tadijan, A. I. Jokić, and J. M. Dodić

media composition for Nattokinase production by Bacillus subtilis using response surface methodology . Bioresource Technol. , 99 , 8170 – 8174 . E L -B ANNA , N

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therapy. Then, if there is no need to pay attention to its safety while taking CUR or if there is any clause that we have to follow when it comes to drug combination? Bacillus subtilis ( B. subtilis ), which is commonly found in soil and

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– 1357 . I keda , H. & D oi , Y. ( 1990 ): A vitamin-K2-binding factor secreted from Bacillus subtilis . Eur. J. Biochem. , 192 , 219 – 224

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): Production of the fructo-oligosaccharides by levansucrase from Bacillus subtilis C 4 . Process Biochem., 32 , 237 – 243 . Gonçalves , B.C.M. , Mantovan

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retardation and thermal disinfection of Bacillus subtilis spores by hydrostatic pressure. J. Bacteriol , 57 , 353-358. The retardation and thermal disinfection of Bacillus subtilis spores by hydrostatic pressure

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Acta Biologica Hungarica
Authors: Wesam I. A. Saber, Khalid M. Ghoneem, Abdulaziz A. Al-Askar, Younes M. Rashad, Abeer A. Ali, and Ehsan M. Rashad

purification of chitinase from Bacillus subtilis . World J. Exp. Biosci. 1 , 5 – 9 . 6. Galeazzi , M. A. M. , Sgarbieri , V. C. , Constantides , S. M. ( 1981 ) Isolation

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., Doi, R. H.: Overlapping promoters transcribed by Bacillus subtilis sigma-55 and sigma-37 RNA polymerase holoenzymes during growth and stationary phases. J Biol Chem 259 , 8619-8625 (1984) Overlapping promoters transcribed by Bacillus subtilis

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., Schanck, K., Colson, C. (1993) Purification and preliminary characterization of the extracellular lipase of Bacillus subtilis 168, an extremely basic pH-tolerant enzyme. Eur. J. Biochem. 216 , 155

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The main purpose of this study was to determine optimum conditions for culture of a test microbe Bacillus subtilis (ATCC 6633) which enabled us to establish its use for direct bioautography. The viability of the bacteria on TLC plates was measured on the basis of their adenosine-5′-triphosphate (ATP) content as determined by bioluminescent luciferin/luciferase assay, the data being referred to values for total bacterial protein. In the first experiments, we used a ‘20-h’ culture of B. subtilis prepared by dilution of an optical density ( OD ) ≫ 0.4 culture to furnish a culture of OD = 0.4 (Method A). Later, on the basis of our optimization experiments we found that a ‘5–9-h’ broth culture of B. subtilis was suitable. Under these conditions the bacteria remained in the log phase ( OD = 0.2–0.4) for 5–9 h (Method B) in immersion bacterial suspension. Because the test bacteria were in the log phase a much shorter incubation time (4–8 h) was sufficient for TLC plates instead of the original 18 h in a previous study. One advantage of this method, in addition to the shorter incubation time, is that we can use TLC plates coated with adsorbents other than silica.

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., Destain, J., Razafindralambo, H., Paquot, M., Pauw, E. D. and Thonart, P. (1999): Optimization of biosurfactant lipopeptide production from Bacillus subtilis S499 by Plackett-Burman Design. App

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