| a numerical classification of the genus bacillus. | three hundred and sixty-eight strains of aerobic, endospore-forming bacteria which included type and reference cultures of bacillus and environmental isolates were studied. overall similarities of these strains for 118 unit characters were determined by the ssm, sj and dp coefficients and clustering achieved using the upgma algorithm. test error was within acceptable limits. six cluster-groups were defined at 70% ssm, which corresponded to 69% sp and 48-57% sj. groupings obtained with the three ... | 1988 | 3246588 |
| [study of bacteria from arid soils of morocco: bacillus maroccanus n. sp]. | | 1967 | 4963621 |
| [the effect of a high vacuum on the oxidative processes of sarcina flava and bacillus simplex]. | | 1970 | 5490460 |
| comparative phylogeny of rrs and nifh genes in the bacillaceae. | the rrs (16s rdna) gene sequences of nitrogen-fixing endospore-forming bacilli isolated from the rhizosphere of wheat and maize were determined in order to infer their phylogenetic position in the bacillaceae. these rhizosphere strains form a monophyletic cluster with paenibacillus azotofixans, paenibacillus polymyxa and paenibacillus macerans. two of them (rsa19 and tod45) had previously been identified as bacillus circulans (group 2) by phenotypic characterization (api 50ch). evidence for nitr ... | 1999 | 10425751 |
| toxic-metabolite-producing bacteria and fungus in an indoor environment. | toxic-metabolite-emitting microbes were isolated from the indoor environment of a building where the occupant was suffering serious building-related ill-health symptoms. toxic substances soluble in methanol and inhibitory to spermatozoa at <10 microg (dry weight) ml(-1) were found from six bacterial isolates and one fungus. the substances from isolates of bacillus simplex and from isolates belonging to the actinobacterial genera streptomyces and nocardiopsis were mitochondriotoxic. these substan ... | 2001 | 11425751 |
| microorganisms cultured from stratospheric air samples obtained at 41 km. | samples of air removed from the stratosphere, at an altitude of 41 km, were previously found to contain viable, but non-cultureable bacteria (cocci and rods). here, we describe experiments aimed at growing these, together with any other organisms, present in these samples. two bacteria (bacillus simplex and staphylococcus pasteuri) and a single fungus, engyodontium album (limber) de hoog were isolated from the samples. although the possibility of contamination can never be ruled out when space-d ... | 2003 | 12583913 |
| the effect of high vacuum on oxidative reactions in bacteria and the activity of certain enzymes. | among the physical factors which might influence micro-organisms one of the most potentially interesting is high vacuum. the effect of high vacuum is less studied as compared with other physical factors. it is impossible to achieve, under laboratory conditions, a vacuum of the order 10(-16) mm hg which is probably characteristic of space. earlier, the effect of high vacuum was studied on different bacteria, yeasts, molds and algae. it appeared that spores and fungal conidia were not killed by hi ... | 1970 | 12664921 |
| phylogenetic relationships between bacillus species and related genera inferred from comparison of 3' end 16s rdna and 5' end 16s-23s its nucleotide sequences. | the nucleotide sequences of the 3' end of the 16s rdna and the 16s-23s internal transcribed spacer (its) of 40 bacillaceae species were determined. these included 21 bacillus, 9 paenibacillus, 6 brevibacillus, 2 geobacillus, 1 marinibacillus and 1 virgibacillus species. comparative sequence analysis of a 220 bp region covering a highly conserved 150 bp sequence located at the 3' end of the 16s rrna coding region and a conserved 70 bp sequence located at the 5' end of the 16s-23s its of the 40 sp ... | 2003 | 12807189 |
| bacillus asahii sp. nov., a novel bacterium isolated from soil with the ability to deodorize the bad smell generated from short-chain fatty acids. | in a screening campaign to isolate strains with the ability to remove the bad smell associated with animal faeces, strain ma001(t) was isolated from a soil sample obtained from shizuoka prefecture, japan. the isolate grew at ph 6-9 but not at ph 10. cells were gram-positive, straight rods with peritrichous flagella and produced ellipsoidal spores. the isolate was positive for catalase and oxidase tests but negative for indole production, deamination of phenylalanine and h(2)s production. the iso ... | 2004 | 15545424 |
| heat-stable toxin production by strains of bacillus cereus, bacillus firmus, bacillus megaterium, bacillus simplex and bacillus licheniformis. | strains of bacillus cereus can produce a heat-stable toxin (cereulide). in this study, 101 bacillus strains representing 7 bacillus species were tested for production of heat-stable toxins. strains of b. megaterium, b. firmus and b. simplex were found to produce novel heat-stable toxins, which showed varying levels of toxicity. b. cereus strains (18 out of 54) were positive for toxin production. thirteen were of serovar h1, and it was of interest that some were of clinical origin. two were of se ... | 2005 | 15621453 |
| study of mural painting isolates, leading to the transfer of 'bacillus maroccanus' and 'bacillus carotarum' to bacillus simplex, emended description of bacillus simplex, re-examination of the strains previously attributed to 'bacillus macroides' and description of bacillus muralis sp. nov. | a group of 24 strains was isolated from deteriorated mural paintings situated in spain (necropolis of carmona) and germany (church of greene-kreiensen). (gtg)5-pcr genomic fingerprinting was performed on these strains to assess their genomic variability and the strains were delineated into four groups. representatives were studied by 16s rrna gene sequencing and were found to be closely related to bacillus simplex and the species 'bacillus macroides' (strain ncimb 8796) and 'bacillus maroccanus' ... | 2005 | 15653864 |
| adaptation and incipient sympatric speciation of bacillus simplex under microclimatic contrast at "evolution canyons" i and ii, israel. | the microevolutionary dynamics of prokaryotes in natural habitats, such as soil, is poorly understood in contrast to our increasing knowledge on their immense diversity. we performed microevolutionary analyses on 945 soil isolates of bacillus simplex from "evolution canyons" i (carmel, israel) and ii (galilee, israel). these canyons represent similar ecological replicates, separated by 40 km, with highly contrasting interslope abiotic and biotic conditions in each (within a distance of only 100- ... | 2005 | 16249328 |
| patterns of thermal adaptation of bacillus simplex to the microclimatically contrasting slopes of 'evolution canyons' i and ii, israel. | identification of selective forces that drive evolution and speciation of bacteria in natural habitats is a central issue in bacterial ecology and evolution. exploring the adaptive evolution of bacillus simplex at 'evolution canyons' i and ii, israel, we report here on the impact of high heat stress on the speciation progress of individual evolutionary lineages. these canyons represent similar ecological replicates, separated by 40 km, in which the orientation of the sun yields a strong sun-expo ... | 2007 | 17298371 |
| populations under microevolutionary scrutiny: what will we gain? | understanding the evolution of biodiversity and the function of biological systems are burning and linked questions in biology. evolution of biodiversity begins at the level of microevolution, with the differentiation of individuals in populations. the study of this process splits into two conceptually different approaches (1) the concept of functional biology of testing hypothesis by precisely controlled and forward-directed experiments (digital and experimental evolution), and (2) the concept ... | 2008 | 17668186 |
| bacillus butanolivorans sp. nov., a species with industrial application for the remediation of n-butanol. | four bacterial strains, designated k9(t), k105, k1012a and k101, were isolated from soil in lithuania. all these strains could use n-butanol as a sole carbon source. the strains grew in a medium containing 12-120 mm n-butanol. the strains were strictly aerobic, gram-positive endospore-formers. the best growth was achieved at 25 degrees c and ph 7.0 in medium containing 1 % (w/v) nacl. the strains showed identical profiles of 16s-23s rrna internal transcribed spacer pcr and nearly identical 16s r ... | 2008 | 18218958 |
| selection and identification of bacterial strains with methyl-tert-butyl ether, ethyl-tert-butyl ether, and tert-amyl methyl ether degrading capacities. | nine bacterial strains isolated from two hydrocarbon-contaminated soils were selected because of their capacity for growth in culture media amended with 200 mg/l of one of the following gasoline oxygenates: methyl-tert-butyl ether (mtbe), ethyl-tert-butyl ether (etbe), and tert-amyl methyl ether (tame). these strains were identified by amplification of their 16s rrna gene, using fdl and rd1 primers, and were tested for their capacity to grow and biotransform these oxygenates in both mineral and ... | 2008 | 18522454 |
| enantiomeric purity of biodegradation products of juvenogens by newly isolated soil bacteria. | two bacteria were isolated from sand rq30, characterized as bacillus simplex and bacillus sp. strain 05 (genbank eu399813 ), and were used as biocatalysts for a hydrolytic assay of stability of the cis or trans isomers of ethyl n-{2-{4-{[2-(butanoyl)oxycyclohexyl]methyl}phenoxy}ethyl}carbamate, which are among insect hormonogen substances (juvenogens). the stability tests were performed using simple modeling under laboratory conditions. the structures of the products were assigned as ethyl (1 r, ... | 2008 | 18597472 |
| the temperature-adaptive fatty acid content in bacillus simplex strains from 'evolution canyon', israel. | exploring the evolutionary response of bacillus simplex strains to the slope-specific habitats of 'evolution canyon' i and ii, israel, we report here on presumably adaptive differences in fatty acid (fa) content that correlate with one particular feature of the habitats, temperature difference. these two canyons represent similar ecological sites, separated by 40 km, in which the orientation of the sun yields a strong sun-exposed and hot 'african' south-facing slope versus a rather cooler and me ... | 2008 | 18667574 |
| carbon source utilization patterns of bacillus simplex ecotypes do not reflect their adaptation to ecologically divergent slopes in 'evolution canyon', israel. | the 'evolution canyons' i and ii in israel are model habitats to study adaptation and speciation of bacteria in the environment. these canyons represent similar ecological replicates, separated by 40 km, with a strongly sun-exposed and hot 'african' south-facing slope (sfs) vs. a cooler and mesic-lush 'european' north-facing slope (nfs). previously, among 131 bacillus simplex isolates, distinct genetic lineages (ecotypes), each specific for either sfs or nfs, were identified, suggesting a temper ... | 2008 | 18754778 |
| stereoselective epoxidation of cis-propenylphosphonic acid to fosfomycin by a newly isolated bacterium bacillus simplex strain s101. | in industry, fosfomycin is mainly prepared via chemical epoxidation of cis-propenylphosphonic acid (cppa). the conversion yield of fosfomycin is less than 50% in the whole process and a large quantity of waste is produced. biotransformation by microorganisms is an alternative method of preparation. this kind of conversion is more delicate, environmentally friendly, and the conversion yield of fosfomycin would be higher. in this work, an aerobic bacterium capable of transforming cppa to fosfomyci ... | 2009 | 19259714 |
| biological activity studies on metal complexes of novel tridentate schiff base ligand. spectroscopic and thermal characterization. | metal complexes of novel schiff base (hl) ligand, prepared via condensation of 4-aminoantipyrine and 2-aminophenol, are prepared. the ligand is characterized based on elemental analysis, mass, ir and (1)h nmr spectra. metal complexes are reported and characterized based on elemental analyses, ir, (1)h nmr, solid reflectance, magnetic moment, molar conductance, esr spectra and thermal analyses (tg, dtg and dta). from the elemental analyses, 1:1 [m]:[ligand] complexes are prepared with the general ... | 2009 | 19758728 |
| a robust procedure for comparing multiple means under heteroscedasticity in unbalanced designs. | investigating differences between means of more than two groups or experimental conditions is a routine research question addressed in biology. in order to assess differences statistically, multiple comparison procedures are applied. the most prominent procedures of this type, the dunnett and tukey-kramer test, control the probability of reporting at least one false positive result when the data are normally distributed and when the sample sizes and variances do not differ between groups. all th ... | 2010 | 20360960 |
| immunostimulatory activities of bacillus simplex dr-834 to carp (cyprinus carpio). | a bacterial strain, designated dr-834 and producing immunostimulatory activities to carp (cyprinus carpio), was isolated from qinghai-tibetan plateau permafrost soil. cultural characteristic studies suggested that this strain belongs to the genus bacillus. the nucleotide sequence of the 16s rrna gene of strain dr-834 exhibited close similarity (99%) with the 16s rrna gene of bacillus simplex. two compounds showing potent activity were isolated from secondary metabolites of the strain through bio ... | 2010 | 20472068 |
| effects of plant growth promoting rhizobacteria (pgpr) on rooting and root growth of kiwifruit (actinidia deliciosa) stem cuttings. | the effects of plant growth promoting rhizobacteria (pgpr) on the rooting and root growth of semi-hardwood and hardwood kiwifruit stem cuttings were investigated. the pgpr used were bacillus rc23, paenibacillus polymyxa rc05, bacillus subtilis osu142, bacillus rc03, comamonas acidovorans rc41, bacillus megaterium rc01 and bacillus simplex rc19. all the bacteria showed indole-3-acetic acid (iaa) producing capacity. among the pgpr used, the highest rooting ratios were obtained at 47.50% for semi-h ... | 2010 | 21157636 |
| biodegradation and mineralization of metolachlor and alachlor by candida xestobii. | metolachlor (2-chloro-6'-ethyl-n-(2-methoxy-1-methylethyl)aceto-o-toluidide) is a pre-emergent chloroacetanilide herbicide used to control broadleaf and annual grassy weeds in a variety of crops. the s enantiomer, s-metolachlor, is the most effective form for weed control. although the degradation of metolachlor in soils is thought to occur primarily by microbial activity, little is known about the microorganisms that carry out this process and the mechanisms by which this occurs. this study exa ... | 2010 | 21190381 |
| isolation and identification of soil bacteria growing at the expense of arbuscular mycorrhizal fungi. | soil-microorganism symbioses are of fundamental importance for plant adaptation to the environment. research in microbial ecology has revealed that some soil bacteria are associated with arbuscular mycorrhizal fungi (amf). however, these interactions may be much more complex than originally thought. to assess the type of bacteria associated with amf, we initially isolated spores of glomus irregulare from an agrostis stolonifera rhizosphere. the spores were washed with sterile water and plated on ... | 2011 | 21219415 |
| biodiversity and characterization of aerobic spore-forming bacteria in surimi seafood products. | the microbial quality and safety of surimi seafood products was assessed by studying the prevalence and biodiversity of aerobic spore-forming bacteria at the beginning and end of shelf life in 100 surimi samples. low levels of total flora and sporulated flora were numerated at the beginning of storage, however, residual spores were detected in the majority of samples during storage. furthermore, for 34 samples, total flora counts>10(4) cfu/g were observed at the end of shelf life which could lea ... | 2010 | 21315981 |
| bacillus endoradicis sp. nov., an endophytic bacterium isolated from soybean root. | a gram-positive, aerobic, motile, rod bacterium, designated as ccbau 05776(t), was isolated from inner tissues of healthy soybean (glycine max l.) root collected from an agricultural field in the countryside of shijiazhuang city, hebei province, china. phylogenetic analysis of 16s rrna gene indicated that this strain was most related to bacillus muralis lmg 20238(t) and bacillus simplex nbrc 15720(t) with similarity of 96.5 % and 96.3 %, respectively, lower than the suggested threshold (97.0%) o ... | 2011 | 21441377 |
| [Isolation and identification of dominant microorganisms in rhizosphere of continuous cropping with peanut]. | We isolated and identified dominant microorganisms from the rhizosphere of continuous cropping with peanut, to study the relationship between dominant microorganisms and peanut continuous cropping. | 2011 | 21866710 |
| mining the phytomicrobiome to understand how bacterial coinoculations enhance plant growth. | in previous work, we showed that coinoculating rhizobium leguminosarum bv. viciae 128c53 and bacillus simplex 30n-5 onto pisum sativum l. roots resulted in better nodulation and increased plant growth. we now expand this research to include another alpha-rhizobial species as well as a beta-rhizobium, burkholderia tuberum stm678. we first determined whether the rhizobia were compatible with b. simplex 30n-5 by cross-streaking experiments, and then medicago truncatula and melilotus alba were coino ... | 2015 | 26442090 |
| draft genome sequences of the three pectobacterium-antagonistic bacteria pseudomonas brassicacearum pp1-210f and pa1g7 and bacillus simplex ba2h3. | pectobacterium spp. are bacterial pathogens causing soft rot diseases on a wide range of plants and crops. we present in this paper the draft genome sequences of three bacterial strains, pseudomonas brassicacearum pp1-210f and pa1g7 and bacillus simplex ba2h3, which exhibit antagonistic activities against the pectobacterium plant pathogens. | 2015 | 25635020 |
| [screening and identification of low temperature-adapted antagonistic bacillus isolated from kekexili region of west china and the analysis of the isolates lipopeptide compounds]. | the research and exploitation of special microbial resources in extreme environment is of scientific significance and has broad applied prospect. in this paper, eight bacillus strains isolated from the vegetation rhizospheres in kekexili extreme region of qinghai province and presented good growth status at low temperature 4 and 10 degrees c were identified. through physiological and biochemical analysis, rep-pcr fingerprinting, and 16s rdna and gyrb partial sequence analyses, the eight strains ... | 2013 | 23718003 |
| bacillus huizhouensis sp. nov., isolated from a paddy field soil. | a gram-stain positive, facultative aerobic bacterium, designated as strain gss03(t), was isolated from a paddy field soil. the cells were observed to be endospore forming, rod-shaped and motile with flagella. the organism was found to grow optimally at 35 °c at ph 7.0 and in the presence of 1 % nacl. the strain was classified as a novel taxon within the genus bacillus on the basis of phenotypic and phylogenetic analyses. the closest phylogenetic relatives were identified as bacillus psychrosacch ... | 2014 | 24903955 |
| toxigenic potential and heat survival of spore-forming bacteria isolated from bread and ingredients. | fifty-four spore-forming bacterial strains isolated from bread ingredients and bread, mainly belonging to the genus bacillus (including bacillus cereus), together with 11 reference strains were investigated to evaluate their cytotoxic potential and heat survival in order to ascertain if they could represent a risk for consumer health. therefore, we performed a screening test of cytotoxic activity on ht-29 cells using bacterial culture filtrates after growing bacterial cells in brain heart infusi ... | 2015 | 25555227 |
| biodiversity of dominant cultivable endophytic bacteria inhabiting tissues of six different cultivars of maize (zea mays l. ssp. mays) cropped under field conditions. | endophytic bacteria (enb) play a crucial role in plant development. this study was an attempt to isolate and identify dominant cultivable enb inhabiting young seedlings germinated in vitro and leaves of six maize cultivars grown under field conditions at temperate climate zone with culture-dependent approach. we isolated bacteria from field cropped maize only. strains were identified based on 16s rrna gene sequencing. in particular, members of actinobacteria, bacteroidetes, firmicutes and α- and ... | 2015 | 26373177 |
| bacillus gossypii sp. nov., isolated from the stem of gossypium hirsutum. | a gram-stain-positive, facultatively anaerobic, endospore-forming organism, isolated from the stem of gossypium hirsutum, was studied to determine its taxonomic position. on the basis of 16s rrna gene sequence similarity comparisons, strain jm-267t was grouped in the genus bacillus, related most closely to the type strains of bacillus simplex and bacillus huizhouensis (both 97.8%), bacillus muralis (97.7%), bacillus butanolivorans and bacillus psychrosaccharolyticus (both 97.3%). 16s rrna gene s ... | 2015 | 26303844 |
| bacillus cihuensis sp. nov., isolated from rhizosphere soil of a plant in the cihu area of taiwan. | a gram-positive, moderately halotolerant, rod-shaped, spore forming bacterium, designated strain fjat-14515(t) was isolated from a soil sample in cihu area, taoyuan county, taiwan. the strain grew at 10-35 °c (optimum at 30 °c), ph 5.7-9.0 (optimum at ph 7.0) and at salinities of 0-5 % (w/v) nacl (optimum at 1 % w/v). the diagnostic diamino acid of the peptidoglycan of the isolated strain was meso-diaminopimelic acid and major respiratory isoprenoid quinone was mk-7. major cellular fatty acids w ... | 2014 | 25256951 |
| isolation of bacillus simplex strain from demodex folliculorum and observations about demodicosis spinulosa. | | 2016 | 27663163 |
| draft genome sequence of bacillus simplex dsm 1321 for setting up phylogenomics in genomic taxonomy of the bacillus-like bacteria. | bacillus simplex dsm 1321 is a gram-positive, spore-forming, and aerobic bacterium. here, we report the draft genome sequence of b. simplex dsm 1321, with 6,494,937 bp, which will provide useful information for setting up phylogenomics in genomic taxonomy of the bacillus-like bacteria as well as for the functional gene mining and application of b. simplex dsm 1321. | 2016 | 27340061 |
| efficiency of some soil bacteria for chemical oxygen demand reduction of synthetic chlorsulfuron solutions under agiated culture conditions. | this study searches the efficiency of certain soil bacteria on chemical oxygen demand (cod) reduction of synthetic chlorsulfuron solutions under agitated culture conditions. it also aims to determine the turbidity of liquid culture medium with chlorsulfuron during bacterial incubation for 120 hours. as a result the highest and lowest cod removal efficiency of bacteria was determined for bacillus simplex as 94% and for micrococcus luteus as 70%, respectively at the end of the 96th hour. it was fo ... | 2016 | 27262810 |
| the capacity of some newly bacteria and fungi for biodegradation of herbicide trifluralin under agiated culture media. | bioremediation is the use of microorganisms to degrade environmental contaminants (pesticides, polyaromatic hydrocarbons etc.) into less toxic forms or compounds. in this study microbial biodegradation of trifluralin was performed in liquid media with 11 different types of identified fungi and bacteria cultures and their mixtures in agiated culture media. the isolated fungi and bacteria mixtures showed the highest degradation, reaching 93% in the chemical oxygen demand (cod) parameter in four da ... | 2016 | 27262807 |
| bacillus loiseleuriae sp. nov., isolated from rhizosphere soil from a loiseleuria plant in sichuan province. | a gram-positive, rod-shaped, endospore-forming, aerobic bacterium, designated fjat-27997t, was isolated from the rhizosphere soil of a loiseleuria plant collected from sichuan province in china. growth is achieved aerobically between 20 °c and 35 °c (optimum 30 °c), between 0% and 3.0 % nacl (optimum at 0%) concentration and ph in the range of 6.0-9.0 (optimum at ph 7.0). the cell-wall peptidoglycan contains meso-diaminopimelic acid and the major isoprenoid quinone is mk-7. the main fatty acids ... | 2016 | 27117173 |
| genome sequence of bacillus simplex strain p558, isolated from a human fecal sample. | bacillus simplex strain p558 was isolated from a fecal sample of a 25-year-old saudi male. we sequenced the 5.98-mb genome of the strain and compared it to that of b. simplex strain 1nla3e. | 2014 | 25502663 |
| identification of mvocs from andean rhizobacteria and field evaluation of bacterial and mycorrhizal inoculants on growth of potato in its center of origin. | food security (a pressing issue for all nations) faces a threat due to population growth, land availability for growing crops, a changing climate (leading to increases in both abiotic and biotic stresses), heightened consumer awareness of the risks related to the use of agrichemicals, and also the reliance on depleting fossil fuel reserves for their production. legislative changes in europe mean that fewer agrichemicals will be available in the future for the control of crop pests and pathogens. ... | 2015 | 25339308 |
| culturable and culture-independent bacterial diversity and the prevalence of cold-adapted enzymes from the himalayan mountain ranges of india and nepal. | bacterial diversity of soil samples collected from different geographical regions of himalayan mountains was studied through culturable (13 samples) and culture-independent approaches (5 samples based on abundance of diversity indices in each ecological niche). shannon-wiener diversity index and total bacterial count ranged from 1.50 ± 0.1 to 2.57 ± 0.15 and 7.8 ± 1.6 × 10(5) to 30.9 ± 1.7 × 10(5) cfu ml(-1) of soil, respectively. based on morphology and pigmentation, 406 isolates were selected ... | 2015 | 25204748 |
| not so simple, not so subtle: the interspecies competition between bacillus simplex and bacillus subtilis and its impact on the evolution of biofilms. | bacillus subtilis biofilms have a fundamental role in shaping the soil ecosystem. during this process, they unavoidably interact with neighbour bacterial species. we studied the interspecies interactions between biofilms of the soil-residing bacteria b. subtilis and related bacillus species. we found that proximity between the biofilms triggered recruitment of motile b. subtilis cells, which engulfed the competing bacillus simplex colony. upon interaction, b. subtilis secreted surfactin and cann ... | 2016 | 28721238 |