نتایج جستجو برای: bacillus subtilis α
تعداد نتایج: 221609 فیلتر نتایج به سال:
Bacillus represents microbes of high economic, medical and biodefense importance. Bacillus strain identification based on 16S rRNA sequence analyses is invariably limited to species level. Secondly, certain discrepancies exist in the segregation of Bacillus subtilis strains. In the RDP/NCBI databases, out of a total of 2611 individual 16S rDNA sequences belonging to the 175 different species of...
BACKGROUND Bacillus subtilis is widely used as a cell factory for numerous heterologous proteins of commercial value and medical interest. To explore the possibility of further enhancing the secretion potential of this model bacterium, a library of engineered strains with modified cell surface components was constructed, and the corresponding influences on protein secretion were investigated by...
Spore formation in Bacillus subtilis begins with an asymmetric cell division, following which differential gene expression is established by alternative compartment-specific RNA polymerase σ factors. The spoIISAB operon of B. subtilis was identified as a locus whose mutation leads to increased activity of the first sporulation-specific sigma factor, σ(F). Inappropriate spoIISA expression causes...
the essential oils of fresh fruits and terminal branches with adherent leaves of cupressus sempervirens l. and c. horizentalis mill., growing in iran, were analyzed by gas chromatography-mass spectroscopy. the oils were also screened for bacteriostatic and fungistatic activities. thirteen and ten components were identified in the essential oils of c. sempervirens and c. horizentalis, respective...
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