نتایج جستجو برای: bacillus subtilis spores
تعداد نتایج: 65553 فیلتر نتایج به سال:
The endonuclease of Bacillus subtilis specific for single-stranded deoxyribonucleic acid is absent in spores, appears during germination only after the start of deoxyribonucleic acid synthesis, and is located almost exclusively in the periplasm.
Background: Due to the importance of disinfectant and sterilization of dental instruments, in total, 14%–28% of dentists, 13% of assistants, and 17% of healthcare workers (HCWs) have been subjected to the hepatitis B virus (HBV), and more than 200 healthcare providers (HCPs) pass away annually in the United States from HBV infection catched from their work place. ...
The technology of display of heterologous proteins on the surface of Bacillus subtilis spores enables use of these structures as carriers of antigens for mucosal vaccination. Currently, there are no technical possibilities to predict whether a designed fusion will be efficiently displayed on the spore surface and how such recombinant spores will interact with cells of the immune system. In this...
The objective of this study was to determine the thermal resistance of spores of Bacillus anthracis and potential surrogates. The heat resistance of spores suspended in buffer (pH 7.0 or 4.5), milk, or orange juice was determined at 70, 80, and 90 degrees C. D-values for B. anthracis strains Sterne, Vollum, and Pasteur ranged from < 1 min at 90 degrees C to approximately 200 min at 70 degrees C...
Abstract The hay bacillus Bacillus subtilis has attracted scientific interest for more than 100 years due to its ability form heat-stable spores as an example of a rather simple differentiating organism. Thus, this bacterium became one most studied model organisms. Moreover, B. is used in many biotechnological applications and even food production. Current research still adds novel amazing prop...
Ultraviolet (UV) resonance Raman spectra of Bacillus subtilis endospores have been excited at 244 nm. Spectra can be interpreted in terms of contributions from calcium dipicolinate and nucleic acid components. Differences between spectra of spores and vegetative cells are very large and are due to the dominance of the dipicolinate features in the spore spectra. Because the DNA and RNA compositi...
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