نتایج جستجو برای: bacillus
تعداد نتایج: 56256 فیلتر نتایج به سال:
A substantial number of Bacillus species have been marketed for use in oral bacteriotherapy because of their purported ability to prevent or treat various gastrointestinal disorders. Recently, some of the Bacillus strains in Enterogermina, which is made up of aqueous suspensions of viable Bacillus spores, have been partially characterized and aligned with members of the Bacillus alcalophilus su...
Plant growth-promoting rhizobacteria (PGPR) are known in various cropping systems to increase plant growth and vigor, as well as induce resistance to pathogens and pests. A commercial soil amendment containing a mixture of two species of Bacillus PGPR (Bacillus subtilis and Bacillus amyloliquefaciens) was evaluated for impact on germination and initial growth of bell pepper plants, efficacy aga...
Analysis of the 16S rRNA gene sequences of species currently assigned to the genus Bacillus has shown an extensive intrageneric phylogenetic heterogeneity. The 16S rRNA gene sequence of Bacillus schlegelii ATCC 43741(T) shows only 82.2-85.9% sequence similarity to type strains of other members of the genus Bacillus and <88.5 % sequence similarity to recognised species of the most closely relate...
Bacillus anthracis is a spore-forming, Gram-positive microorganism. It is a causative agent of anthrax, a highly infectious disease. It belongs to the "Bacillus cereus group", which contains other closely related species, including Bacillus cereus, Bacillus thuringiensis, Bacillus mycoides, Bacillus weihenstephanensis, and Bacillus pseudomycoides. B. anthracis naturally occurs in soil environme...
The occurrence, structure, and glycosylation of lipoteichoic acids were studied in 15 Bacillus strains, including Bacillus cereus (4 strains), Bacillus subtilis (5 strains), Bacillus licheniformis (1 strain), Bacillus polymyxa (2 strains), and Bacillus circulans (3 strains). Whereas in the cells of B. polymyxa and B. circulans neither lipoteichoic acid nor related amphipathic polymer could be d...
Bacillus thuringiensis is a spore-forming bacterium showing the unusual ability to produce endogenous crystals during sporulation that are toxic for some pest insects. This work was performed to study the Isolation Bacillus genus and biochemical Identification of B. thuringiensis and it`s ecological distribution from some Iranian soils and also introducing soil as a strength source of this bact...
Thirty mercury-resistant (Hg R) Bacillus strains were isolated from mercury-polluted sediment of Minamata Bay, Japan. Mercury resistance phenotypes were classified into broad-spectrum (resistant to inorganic Hg(2+) and organomercurials) and narrow-spectrum (resistant to inorganic Hg(2+) and sensitive to organomercurials) groups. Polymerase chain reaction (PCR) product sizes and the restriction ...
OBJECTIVES Bacillus anthracis as the bacterial agent of anthrax, is spread in different geographical zones around the world.The purpose of this survey was to observe eventual apoptotic reactions in total genomic DNA of UVB irradiated colonies of Bacillus anthracis. MATERIALS AND METHODS The colonies of Bacillus anthracis were exposed to UVB ray for 10 minutes; then, the DNA molecules of contr...
Antlers have been traditionally used for thousands of years as a natural product with medicinal and pharmaceutical properties. In developing healthy foods, Bacillus-mediated fermentation is widely used to enhance the biological activity of nutrients in foods. Recently, fermentation was shown to enhance the osteogenic activity of antlers. This study aimed to elucidate the antiresorptive activity...
The biosorption mechanism is an alternative for chemical precipitation and ultrafiltration which have been employed to treat heavy metal contamination with a limited success. In the present study, three species of Bacillus which were isolated from solar salterns were screened for their detoxification potential of the heavy metals, lead, chromium, and copper, by biosorption. Biosorption potentia...
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