نتایج جستجو برای: bacillus megaterium
تعداد نتایج: 56310 فیلتر نتایج به سال:
The re-establishment of autochthonous shrub species is an essential strategy for recovering degraded soils under semiarid Mediterranean conditions. A field assay was carried out to determine the combined effects of the inoculation with native rhizobacteria (Bacillus megaterium, Enterobacter sp, Bacillus thuringiensis and Bacillus sp) and the addition of composted sugar beet (SB) residue on phys...
Auxin, one of the most important phytohormones enhances the root architecture, nutrient acquisition and plant growth. Present study provides the screening, characterization and optimization of auxin producing bacteria from wheat rhizosphere. Effects of auxin producing isolates on seed germination and growth of T. aestivum were also evaluated. The Bacillus megaterium, Escherichia coli, Klebsiell...
In view of previously published reports of localized membrane growth in exponentially growing Bacillus megaterium and in sporulating Bacillus cereus, an attempt was made to describe phospholipid metabolism and the topology of membrane synthesis during sporulation in B. megaterium. The cells were pulsed with radioactive glycerol or acetate at the time of septum formation, and the specific activi...
We characterized catabolite repression of the genes encoding xylose utilization in Bacillus megaterium. A transcriptional fusion of xylA encoding xylose isomerase to the spoVG-lacZ indicator gene on a plasmid with a temperature-sensitive origin of replication was constructed and efficiently used for single-copy replacement cloning in the B. megaterium chromosome starting from a single transform...
Hancock, R. (Harvard Medical School, Boston, Mass.), and P. C. Fitz-James. Some differences in the action of penicillin, bacitracin, and vancomycin on Bacillus megaterium. J. Bacteriol. 87:1044-1050. 1964.-Penicillin and cycloserine do not inhibit the growth of protoplasts of Bacillus megaterium, indicating that inhibition of cell-wall synthesis is the only significant process by which they inh...
The cover image by Mataz Alcoutlabi shows how zinc Hydroxide NPs were synthesized and subsequently added to PVP/Ethanol solutions. solutions centrifugally spun produce composite fibers. PVP/Zn(OH)2 fibers tested for antibacterial properties against Bacillus Megaterium Escherichia Coli. DOI: 10.1002/app.54314
Germination of spores of the genus Bacillus can be stimulated by heat, L-alanine, or manganese. The reversal of L-alanine stimulation by D-alanine (Hills, 1950) appears to be specific and, in the present study, affords a tool for the exploration of the mechanisms and interrelations among heat, manganese and L-alanine stimulations. The heat stimulation of bacterial spore germination has long bee...
This study was conducted in certain area at Khartoum State (Eltebna, Falasteen, Shambat, Hilat Kuku, Elhalfaia, Elsamrab and The University of Khartoum farms) in winter season to determine the type of mastitis and to compare between the incidence of mastitis caused by Stapylococcus spps and Bacillus spp. The total number of dairy cows, which were examined in 34 investigated farms, amounted to 5...
A major event in the germination of Bacillus spores concerns hydrolysis of the cortical peptidoglycan that surrounds the spore protoplast, the integrity of which is essential for maintenance of dormancy. Cortex degradation is initiated in all species of Bacillus spores by the combined activity of two semi-redundant cortex-lytic enzymes, SleB and CwlJ. A third enzyme, SleL, which has N-acetylglu...
In the present study, uranium absorption capacity of Bacillus pantothenticus and Bacillus megaterium, previously isolated from the environmental air surrounding the 60Co gamma source, is reported. Pseudomonas putida and Pseudomonas chlororaphis were used as reference species. Concerning uranium uptake, the local species were more efficient than the reference ones. The maximum uptake of uranium ...
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