نتایج جستجو برای: bacillus subtilis α amylase

تعداد نتایج: 229131  

Journal: :Indian Journal of Pharmaceutical Sciences 2022

The Borassus flabellifer fruit which is one of the summer fruits India can be considered a promising therapeutic food as it good source bioactive compounds. aim this study was to evaluate antibacterial, anticancer and antidiabetic activity locally available aqueous freeze-dried seed powder extract flabellifer. Antibacterial evaluated using agar well diffusion assay against gram-positive bacteri...

2017
Zhu Li Lingqia Su Xuguo Duan Dan Wu Jing Wu

The maltohexaose-forming, Ca2+-independent α-amylase gene from Bacillus stearothermophilus (AmyMH) was efficiently expressed in Brevibacillus choshinensis SP3. To improve the production of AmyMH in B. choshinensis SP3, the temperature and initial pH of culture medium were optimized. In addition, single-factor and response surface methodologies were pursued to optimize culture medium. Addition o...

Journal: :Applied sciences 2023

The inactivation kinetics of an α-amylase enzymatic time-temperature integrator (TTI) from Bacillus subtilis (BAA) under continuous-flow microwave (MW) and conventional heating conditions were evaluated compared in this study. TTI dispersed a buffer solution (pH 5.0 to 6.9) at 20 °C initially, it was continuously circulated through two helical coils connected series for heating. positioned dome...

Journal: :Pakistan Journal of Biological Sciences 2007

Journal: :Applied and environmental microbiology 1990
N Overbeeke G H Termorshuizen M L Giuseppin D R Underwood C T Verrips

A fusion of DNA sequences encoding the SPO2 promoter, the alpha-amylase signal sequence from Bacillus amyloliquefaciens, and the mature part of the alpha-galactosidase from Cyamopsis tetragonoloba (guar) was constructed on a Bacillus subtilis multicopy vector. Bacillus cells of the protease-deficient strain DB104 harboring this vector produced and secreted the plant enzyme alpha-galactosidase u...

2017
Hong Zhu L Bruce Reynolds Rima Menassa

BACKGROUND Alpha amylase hydrolyzes α-bonds of polysaccharides such as starch and produces malto-oligosaccharides. Its starch saccharification applications make it an essential enzyme in the textile, food and brewing industries. Commercially available α-amylase is mostly produced from Bacillus or Aspergillus. A hyper-thermostable and Ca 2++ independent α-amylase from Pyrococcus furiosus (PFA) e...

2014
Victoria Romanovskaya Galina Gladka Oleksandr Tashyrev

. From coastal ecosystems of the Dead Sea (vertical steep gorge around of the Dead Sea, clay-salt plain and a black highly mineralized muds) Bacillus licheniformis, B.subtilis subsp. subtilis, Bacillus sp., Staphylococcus hominis strains have been isolated. All strains grew at 0-10 % of NaCl in medium, in a range of 20-50°С. Resistance to UV has been revealed in all the investigated bacteria. L...

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