منابع مشابه
Turnover of the cell wall of Gram-positive bacteria.
Previous observations (MUCK, J., AND GLASER, L., Biothem. Biophys. Res. Commun., 39, 699 (1970)) on the turnover of the cell wall of Bacillus subfilis W-23 during logarithmic growth have been extended to show that (a) freshly synthesized wall does not become available for turnover for about one-half to one generation; (b) the turnover rates of the cell wall mucopeptide and cell wall teichoic ac...
متن کاملToxic properties of the cell wall of gram-positive bacteria.
The biological activity of Odontomyces viscosus, which has been reported to cause periodontal disease in hamsters, was examined. The microorganism was cultured anaerobically in Brain Heart Infusion broth, and the cells were harvested. The washed cells were injected intradermally into the abdomen of rabbits. After 72 hr, a well-defined, firm, raised nodule (about 1.0 by 1.5 cm) with an erythemat...
متن کاملArchitecture and assembly of the Gram-positive cell wall.
The bacterial cell wall is a mesh polymer of peptidoglycan--linear glycan strands cross-linked by flexible peptides--that determines cell shape and provides physical protection. While the glycan strands in thin 'Gram-negative' peptidoglycan are known to run circumferentially around the cell, the architecture of the thicker 'Gram-positive' form remains unclear. Using electron cryotomography, her...
متن کاملBacterial glycobiology: rhamnose-containing cell wall polysaccharides in Gram-positive bacteria
The composition of the Gram-positive cell wall is typically described as containing peptidoglycan, proteins and essential secondary cell wall structures called teichoic acids, which comprise approximately half of the cell wall mass. The cell walls of many species within the genera Streptococcus, Enterococcus and Lactococcus contain large amounts of the sugar rhamnose, which is incorporated in c...
متن کاملSynthesis, characterization and antimicrobial properties of CuO nanoparticles against gram-positive and gram-negative bacterial strains
Nano structured materials have wide range of applications due to their interesting size-dependent chemical and physical properties compared to particles of size in the range of micrometer. Copper oxide nano materials are of interest on account of their potential uses in many technological fields. In this study CuO nanoparticles were synthesized via simple sol gel method using basic CuSO4<...
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ژورنال
عنوان ژورنال: Microbiology Spectrum
سال: 2019
ISSN: 2165-0497
DOI: 10.1128/microbiolspec.gpp3-0044-2018