bacillus aerius sp. nov., bacillus aerophilus sp. nov., bacillus stratosphericus sp. nov. and bacillus altitudinis sp. nov., isolated from cryogenic tubes used for collecting air samples from high altitudes. | four novel bacterial strains were isolated from cryogenic tubes used to collect air samples at altitudes of 24, 28 and 41 km. the four strains, 24k(t), 28k(t), 41kf2a(t) and 41kf2b(t), were identified as members of the genus bacillus. phylogenetic analysis based on 16s rrna gene sequences indicated that three of the strains, 24k(t), 28k(t) and 41kf2a(t), are very similar to one another (>98 % sequence similarity) and show a similarity of 98-99 % with bacillus licheniformis and 98 % with bacillus ... | 2006 | 16825614 |
biological responses of bacillus stratosphericus to floating electrode-dielectric barrier discharge plasma treatment. | dielectric barrier discharge (dbd) plasma is used for sterilization of contaminated inanimate surfaces but seldomly optimized and depends upon the type of organisms and the plasma treatment duration, (net energy deposited) this efficacy varies. the proposed study was designed to see biological responses of one of the robust organism, bacillus stratosphericus. | 2010 | 20825520 |
antimicrobial resistance and plasmid profile of bacterial strains isolated from the urbanized eltsovka-1 river (russia). | antimicrobial resistance and plasmid profile of gram-positive and gram-negative bacterial strains isolated from the urbanized eltsovka-1 river (russia) were investigated. sequencing of the 16s rrna of of g+ strains showed 99-100% identity to that of bacillus aerophilus, bacillus altitudinis, bacillus amyloliquefaciens, bacillus anthrancis, bacillus barbaricus, bacillus cereus, bacillus flexus, bacillus indriensis, bacillus stratosphericus, bacillus subtilis subsp. subtilis, bacillus thuringiensi ... | 2015 | 25803299 |
potential probiotics from indian major carp, cirrhinus mrigala. characterization, pathogen inhibitory activity, partial characterization of bacteriocin and production of exoenzymes. | the study explored antagonistic activity of the cellular components of potential probiotic bacteria from mrigal (cirrhinus mrigala) against fish pathogens with a basic insight of the chemical nature of the antagonistic compound. totally 208 autochthonous gut bacteria were isolated, of which 22 strains revealed antagonism towards ≥2 of the six common fish pathogens. zones of inhibition (halo diameter) were presented as score and the four most promising strains were selected as putative probiotics ... | 2016 | 27663374 |
identification of strains bacillus aerophilus mtcc 7304t as bacillus altitudinis and bacillus stratosphericus mtcc 7305t as a proteus sp. and the status of the species bacillus aeriusshivaji et al. 2006. request for an opinion. | on the basis of 16s rrna, rpob, gyrb and pyca gene sequence analyses, characterization of biochemical features and other phenotypic traits and pulsed-field gel electrophoresis (pfge) fingerprinting, it was ascertained that strains bacillus aerius mtcc 7303t, bacillus aerophilus mtcc 7304(t) and bacillus stratosphericus mtcc 7305(t) do not conform to the descriptions of the type strains of the respective species. strains mtcc 7303(t) and mtcc 7304(t) were indistinguishable from bacillus altitudin ... | 2015 | 26297145 |
the status of the species bacillus aerophilus and bacillus stratosphericus. request for an opinion. | during a study assessing the diversity of the bacillus pumilus group it became apparent that the type strains of both bacillus aerophilus and bacillus stratosphericus were not available from any established culture collection, nor from the authors who originally described them. therefore, type strains of these species cannot be included in any further scientific studies. it is therefore proposed that the judicial commission of the international committee of systematics of prokaryotes place the n ... | 2015 | 25479956 |
bacillus xiamenensis sp. nov., isolated from intestinal tract contents of a flathead mullet (mugil cephalus). | a taxonomic study was carried out on strain hyc-10(t), which was isolated from the intestinal tract contents of a flathead mullet, mugil cephalus, captured from the sea off xiamen island, china. the bacterium was observed to be gram positive, oxidase and catalase positive, rod shaped, and motile by subpolar flagella. the bacterium was found to grow at salinities of 0-12 % and at temperatures of 8-45 °c. the isolate was found to hydrolyze aesculin and gelatin, but was unable to reduce nitrate to ... | 2014 | 24158533 |
isolation and characterization of bacterial isolates algicidal against a harmful bloom-forming cyanobacterium microcystis aeruginosa. | algicidal bacteria mai11-2, mai11-5 and mai11-10, which inhibited the growth of a harmful bloom-forming cyanobacterium microcystis aeruginosa, were isolated from a sewage treatment plant. the isolate mai11-5 was phylogenetically affiliated into the genus pedobacter, while mai11-2 and mai11-10 were closely related to bacillus aerophilus, bacillus altitudinis and bacillus stratosphericus with 100% identity based on 16s ribosomal rna sequences. co-cultivation of m. aeruginosa with the algicidal iso ... | 2012 | 23007101 |
dynamics of bacterial class bacilli in the deepest valley lake of kashmir-the manasbal lake. | in recognition of the importance of bacteria as ecological indicators of the aquatic systems a comprehensive and systematic analysis was carried out on manasbal lake, the deepest spring fed valley lake of kashmir. the main objective envisaged was to analyze bacterial community composition (bcc) and for this purpose systematic and regular sampling of waters from ten different sampling stations, predetermined in the lake according to differences in degree of human interference and also as zones of ... | 2017 | 28087491 |
analysis of the effect of high hydrostatic pressure treatment and enterocin as-48 addition on the bacterial communities of cherimoya pulp. | in the present study, pulp obtained from cherimoya pulp (annona cherimola) was inoculated with epiphytic microbiota collected from cherimoya fruits, and supplemented or not with the circular bacteriocin enterocin as-48 (50μg/g) and then packed under vacuum. samples supplemented or not with enterocin were treated by high hydrostatic pressure (600mpa, 8min) and then stored at 5°c for 30days. the single as-48 treatment only delayed microbial growth non-significantly (p>0.05). hhp treatment reduced ... | 2015 | 25528726 |
biosurfactant-enhanced bioremediation of aged polycyclic aromatic hydrocarbons (pahs) in creosote contaminated soil. | the potential for biological treatment of an environment contaminated by complex petrochemical contaminants was evaluated using creosote contaminated soil in ex situ bio-slurry reactors. the efficacy of biosurfactant application and stimulation of in situ biosurfactant production was investigated. the biosurfactant produced was purified and characterised using fourier transform infrared (ftir) spectroscopy. biosurfactant enhanced degradation of pahs was 86.5% (with addition of biosurfactant) and ... | 2016 | 26408261 |
protease and lipase activities of fungal and bacterial strains derived from an artisanal raw ewe's milk cheese. | we previously identified the microbiota present during cheese ripening and observed high protease and lipase activity in divle cave cheese. to determine the contribution of individual isolates to enzyme activities, we investigated a range of species representing this microbiota for their proteolytic and lipolytic ability. in total, 17 fungal, 5 yeast and 18 bacterial strains, previously isolated from divle cave cheese, were assessed. qualitative protease and lipase activities were performed on s ... | 2016 | 27541978 |
lipase of bacillus stratosphericus l1: cloning, expression and characterization. | present work was undertaken to discover new lipolytic enzymes as well as novel bacterial strains for applications in biotechnology. one of the isolated strains identified as bacillus stratosphericus l1 produced extracellular lipase (lipbst) which was cloned and expressed in escherichia coli. purified mature enzyme had a molecular mass of 19kda. recombinant protein showed an activity of 6244.5u/mg at ph 9, 35°c. it was stable in the range of 35-55°c and retained more than 60% activity after incub ... | 2016 | 27392776 |
biodegradation of fluoranthene by a newly isolated strain of bacillus stratosphericus from mediterranean seawater of the sfax fishing harbour, tunisia. | a physico-chemical characterization of seawater taken from the fishing harbour of sfax, tunisia, revealed a contamination by organic and inorganic micropollutants. an aerobic marine halotolerant bacillus stratosphericus strain flu5 was isolated after enrichment on fluoranthene, a persistent and toxic polycyclic aromatic hydrocarbon (pah). gc-ms analyses showed that strain flu5 was capable of degrading almost 45 % of fluoranthene (100 mg l(-1)), without yeast extract added, after 30 days of incub ... | 2016 | 27083911 |
biosynthesis of silver nanoparticles by bacillus stratosphericus spores and the role of dipicolinic acid in this process. | seeking for simple, rapid, and environmental-friendly routes to produce metal nanoparticles is quite attractive for various biotechnological applications. biological synthesis method of silver nanoparticles has been found very promising due to their non-toxicity and simplicity. here, the spores of bacillus stratosphericus isolated from soil enriched with 30 % h2o2 were used for the production of silver nanoparticles. furthermore, the possible mechanism of silver nanoparticle synthesis by the spo ... | 2014 | 25062780 |
draft genome sequence of bacillus stratosphericus lama 585, isolated from the atlantic deep sea. | bacillus stratosphericus lama 585 was isolated from the mid-atlantic-ridge seafloor (5,500-m depth). this bacterium presents the capacity for cellulase, xylanase, and lipase production when growing aerobically in marine-broth media. genes involved in the tolerance of oligotrophic and extreme conditions and prospection of biotechnological products were annotated in the draft genome (3.7 mb). | 2013 | 23640380 |
enhanced electricity production by use of reconstituted artificial consortia of estuarine bacteria grown as biofilms. | microbial fuel cells (mfcs) can convert organic compounds directly into electricity by catalytic oxidation, and although mfcs have attracted considerable interest, there is little information on the electricity-generating potential of artificial bacterial biofilms. we have used acetate-fed mfcs inoculated with sediment, with two-chamber bottles and carbon cloth electrodes to deliver a maximum power output of ~175 mw · m(-2) and a stable power output of ~105 mw · m(-2). power production was by di ... | 2012 | 22352455 |
statistical optimization of production conditions of β-glucosidase from bacillus stratosphericus strain sg9. | the present study illustrates the optimization and characterization of β-glucosidase from a bacterial isolate, strain sg9. sixty-eight different variables were first screened by one factor at a time method. the screened variable optimization was then performed by plackett-burman design followed by box-behnken response surface methodology. thirty-one variables were screened, of which five variables were found to be significant. box-behnken design was then performed using the most significant vari ... | 2017 | 28677083 |
utilization of acid pre-treated coconut dregs as a substrate for production of detergent compatible lipase by bacillus stratosphericus. | in recent years, many efforts have been directed to explore the methods to reduce the production costs of industrial lipase by improving the yield and the use of low-cost agricultural wastes. coconut dregs, which is a lignocellulosic by-product from coconut oil and milk processing plants, is rich in cellulose (36%) and crude fat (9%). a newly isolated bacillus stratosphericus has been demonstrated to perform cellulose hydrolysis on coconut dregs producing fermentable sugars. the highest extracel ... | 2017 | 28651380 |
whole-genome sequence of bacillus stratosphericus strain 5co, isolated from lichen usnea florida in central florida, united states, with high tolerance to salt and heavy metal. | bacillus stratosphericus strain 5co was isolated from lichen usnea florida in central florida, united states. here, we report a draft genome sequence of this strain, which consists of 159 contigs spanning 3,628,496 bp, with a g+c content of 41.3% and comprises 3,729 predicted coding sequences. | 2017 | 28619792 |