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A marine Bacillus strain was isolated from the eastern harbour of Alexandria and identified as Bacillus sp. MIG. Maximum activity of studied proteases was obtained when the bacterium was grown in medium with 1 % wheat bran and 0.5% yeast extract in addition to the mineral salts and incubated for 48 h at 30°C and 120 rpm. Two alkaline proteases (Pro 1 and Pro 2) were purified to homogeneity using cation...
Some parts of the Indian Himalayan region are covered by established and abandoned tea bushes. Rhizospheric soils of these plants were studied for bacterial dominance and antagonism. Representatives of Bacillus and Pseudomonas genera were found to dominate the rhizosphere of established and abandoned tea bushes, respectively. Amongst the isolated species Bacillus subtilis and Bacillus mycoides appeared...
Cell surface hydrophobicity (CSH) is recognised as a important factor in microbial adhesion to solid surfaces. Growth conditions have been found to determine the synthesis of extracellular molecules by microorganisms. It has major consequences in modification of bacterial surface properties and consequently, in bacterial adhesion to solid surfaces. In this paper, CSH properties of Bacillus spp. depending...
Nickel resistant bacteria (ZB, ZC, ZD, ZL, ZK and SIX) were isolated from industrial effluents and corroded iron pieces from indigenous environment of Punjab, Pakistan. These six strains could tolerate nickel at different levels with ZB, ZC, ZD, ZL, ZK, and SIX having 233, 225, 267,233,228 and 296 mM minimum inhibitory concentration (MIC) of nickel ions, respectively. These bacteria were sensitive...
In this study, five halotolerant Bacillus isolates from Aran-Bidgol Saline Lake in Iran were identified from saline environments. Screening of the bacteria led to the identification of a unique halo-thermotolerant Bacillus. On the basis of genetic and phenotypic data, this isolate was closely related to Bacillus licheniformis. But isolated Bacillus can be distinguished from B. licheniformis by salt...
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