| bacillus vallismortis sp. nov., a close relative of bacillus subtilis, isolated from soil in death valley, california. | five bacillus strains isolated from death valley soil were shown to belong to a previously unidentified species, for which we propose the name bacillus vallismortis. the type strain is strain dv1-f-3 (= nrrl b-14890). on the basis of previously published restriction digestion data, b. vallismortis is most closely related to bacillus subtilis. at this time b. vallismortis can be distinguished from b. subtilis only by differences in whole-cell fatty acid compositions, dna sequences, and levels of ... | 1996 | 8934905 |
| bacillus velezensis sp. nov., a surfactant-producing bacterium isolated from the river vélez in málaga, southern spain. | two gram-positive, endospore-forming bacterial strains, cr-502t and cr-14b, which produce surfactant molecules are described. phenotypic tests and phylogenetic analyses showed these strains to be members of the genus bacillus and related to the species bacillus atrophaeus, bacillus mojavensis, bacillus subtilis, bacillus vallismortis and bacillus amyloliquefaciens, although they differ from these species in a number of phenotypic characteristics. dna-dna hybridization confirmed that they show le ... | 2005 | 15653875 |
| bacillus nematocida sp. nov., a novel bacterial strain with nematotoxic activity isolated from soil in yunnan, china. | an endospore-forming bacterium, designated strain b-16t, was isolated from a forest soil sample in yunnan, china. the isolate presented remarkable nematotoxic activity against nematode panagrellus redivivus. the organism was strictly aerobic, motile, spore forming and rod shaped, catalase- and oxidase-positive. the predominant isoprenoid quinone was menaquinone 7 (mk-7). the major cellular fatty acid profiles were anteiso-c15:0 (48.67%), iso-c15:0 (13.45%), c16:0 (9.06%) and anteiso-cl7:0 (8.29% ... | 2005 | 15997705 |
| identification of a fibrinolytic enzyme by bacillus vallismortis and its potential as a bacteriolytic enzyme against streptococcus mutans. | a potent fibrinolytic enzyme-producing bacterium was isolated from the traditional korean condiment chungkook-jang and identified as bacillus vallismortis ace02. the extracellular fibrinolytic enzyme was purified with a 18% recovery of activity from supernatant cultures using cm-sepharose column chromatography and sephacryl s-200 gel filtration. the specific activity of the purified enzyme was 757 kfu mg(-1). its molecular mass was about 28 kda and the initial amino acids of the n-terminal seque ... | 2007 | 17308884 |
| cytotoxicity and apoptosis induction of bacillus vallismortis bit-33 metabolites on colon cancer carcinoma cells. | the objective of this research was to isolate and identify a cytotoxic marine bacterium, bit-33, and to investigate the apoptosis effects of its metabolite on colon cancer cells. | 2008 | 18005350 |
| decolorization of direct red 28 by mixed bacterial culture in an up-flow immobilized bioreactor. | aerobic mixed bacterial culture comprised of five isolates (bacillus vallismortis, b. pumilus, b. cereus, b. subtilis and b. megaterium) identified by 16srdna analysis was developed from wastewater samples from the aeration tank of an effluent treatment plant of a textile and dyeing industry and evaluated for its ability to decolorize azo dye direct red 28 in an up-flow immobilized packed bed bioreactor using marble chips as support matrix. the bioreactor was operated under two parameters: an ae ... | 2009 | 19390882 |
| study of the antifungal activity of bacillus vallismortis zz185 in vitro and identification of its antifungal components. | an endophytic bacillus vallismortis zz185 was isolated from healthy stems of the plant broadleaf holly (ilex latifolia thunb) collected in nanjing, china. both the culture filtrate and the n-butanol extract of strain zz185 showed strong growth inhibition activity in vitro against the phytopathogens fusarium graminearum, alternaria alternata, rhizoctonia solani, cryphonectria parasitica and phytophthora capsici. the results showed that the filtrate and extract reduced the symptoms of wheat seedli ... | 2010 | 19717300 |
| l-alanine augments rhizobacteria-induced systemic resistance in cucumber. | bacillus vallismortis strain extn-1 is a proven biotic elicitor of systemic resistance in many crops against various pathogens. l: -alanine (ala) was tested in cucumber as a chemical elicitor of induced systemic resistance (isr) against colletotrichum orbiculare. in the greenhouse, both ala and extn-1 induced significant levels of disease suppression in cucumber against anthracnose. when cucumber plants were treated with extn-1 and ala together, augmentative disease suppression was observed. exp ... | 2009 | 19826919 |
| bacillus siamensis sp. nov., isolated from salted crab (poo-khem) in thailand. | a gram-positive, endospore-forming, rod-shaped bacterium, strain pd-a10(t), was isolated from salted crab (poo-khem) in thailand and subjected to a taxonomic study. phenotypic and chemotaxonomic characteristics, including phylogenetic analyses, showed that the novel strain was a member of the genus bacillus. the novel strain grew in medium with 0-14 % (w/v) nacl, at 4-55°c and at ph4.5-9. the predominant quinone was a menaquinone with seven isoprene units (mk-7). the major fatty acids were antei ... | 2010 | 19933584 |
| bacillus methylotrophicus sp. nov., a methanol-utilizing, plant-growth-promoting bacterium isolated from rice rhizosphere soil. | a gram-positive bacterium, designated strain cbmb205(t), was isolated from the rhizosphere soil of traditionally cultivated, field-grown rice. cells were strictly aerobic, motile, rod-shaped and formed endospores. the best growth was achieved at 30°c and ph 7.0 in ammonium mineral salts (ams) medium containing 600 mm methanol. a comparative 16s rrna gene sequence-based phylogenetic analysis placed strain cbmb205(t) in a clade with the species bacillus amyloliquefaciens, bacillus vallismortis, ba ... | 2010 | 19966000 |
| isolation and characterization of a novel pyrene-degrading bacillus vallismortis strain jy3a. | the pahs-degrading bacterium strain jy3a was newly isolated from the polluted soil in the jinan oil refinery factory, shandong province of china. the isolate was identified as bacillus vallismortis with respect to its 16s rdna sequence, dna-dna relatedness and fatty acid profiles, as well as various physiological characteristics. the strain was gram-positive, motile, endospore forming, aerobic, oxidase and catalase-positive. the cells were 0.8-1.0µm wide and 2.0-2.5µm long, single or in pairs an ... | 2011 | 21371739 |
| isolation and characterization of some moderately halophilic bacteria with lipase activity. | lipases are an important class of enzymes which catalyze the hydrolysis of long chain triglycerides and constitute the most prominent group ofbiocatalysts for biotechnological applications. there are a number of lipases, produced by some halophilic microorganisms. in this study, some lipase producing bacteria from maharlu salt lake located in south of iran were isolated. all isolates were screened for true lipase activity on plates containing olive oil. the lipase activity was measured using tit ... | 2011 | 22073547 |
| analysis of bacterial communities associated with potting media. | potting media are commonly used by growers in different parts of the world for potted plants, raising seedlings and for improving soil characteristics. this study was conducted to characterize bacterial communities occurring in 13 commercial potting media products originating from seven countries. | 2016 | 26844021 |
| microbiological stability of canned tuna produced in italy and in non-european countries. | the results of a study on the microbiological stability of canned tuna produced by italian companies and similar canned products manufactured in countries outside europe are reported herein. the study involved 38 samples of canned tuna of various brands, of which 14 were produced by companies outside europe and 24 by italian companies. qualitative and quantitative microbiological tests were conducted for the following parameters: bacterial colony counts at 30°c, total coliforms, total enterobact ... | 2015 | 27800383 |
| identification of cyclic lipopeptides produced by bacillus vallismortis r2 and their antifungal activity against alternaria alternata. | to identify the different antifungal biomolecules produced by isolate bacillus vallismortis r2 and analyse their effect on alternaria alternata, a common pathogen causing black point disease of wheat. | 2017 | 27665751 |
| genome sequences of 12 spore-forming bacillus species, comprising bacillus coagulans, bacillus licheniformis, bacillus amyloliquefaciens, bacillus sporothermodurans, and bacillus vallismortis, isolated from foods. | here, we report the draft genomes of twelve isolates of five different bacillus species, all spore-forming, gram-positive bacteria. | 2016 | 27174261 |
| screening of novel bacteria for the 2,3-butanediol production. | biotechnologically produced 2,3-butanediol (2,3-bdo) is a potential starting material for industrial bulk chemicals such as butadiene or methyl ethyl ketone which are currently produced from fossil feedstocks. so far, the highest 2,3-bdo concentrations have been obtained with risk group 2 microorganisms. in this study, three risk group 1 microorganisms are presented that are so far unknown for an efficient production of 2,3-bdo. the strains bacillus atrophaeus nrs-213, bacillus mojavensis b-1469 ... | 2017 | 27687995 |
| whole-genome sequences of bacillus subtilis and close relatives. | we sequenced four strains of bacillus subtilis and the type strains for two closely related species, bacillus vallismortis and bacillus mojavensis. we report the high-quality sanger genome sequences of b. subtilis subspecies subtilis ro-nn-1 and ausi98, b. subtilis subspecies spizizenii tu-b-10(t) and dv1-b-1, bacillus mojavensis ro-h-1(t), and bacillus vallismortis dv1-f-3(t). | 2012 | 22493193 |
| disaccharide 1-phosphate polymers of some representatives of the bacillus subtilis group. | disaccharide 1-phosphate polymers as well as teichoic acids of various structures have been found in the cell walls of the representatives of the bacillus subtilis group, namely bacillus subtilis subsp. spizizenii vkm b-720 and vkm b-916, b. subtilis vkm b-517, and bacillus vallismortis vkm b-2653(t). disaccharide 1-phosphate polymers are composed of repeating units of the following structure: -p-4)-β-d-glcpnac-(1→6)-α-d-galp-(1-, the n-acetylglucosamine residues are partially acetylated at posi ... | 2013 | 24237149 |
| resistance, bioaccumulation and solid phase extraction of uranium (vi) by bacillus vallismortis and its uv-vis spectrophotometric determination. | bioaccumulation, resistance and preconcentration of uranium(vi) by thermotolerant bacillus vallismortis were investigated in details. the minimum inhibition concentration of (mic) value of u(vi) was found as 85 mg/l and 15 mg/l in liquid and solid medium, respectively. furthermore, the effect of various u(vi) concentrations on the growth of bacteria and bioaccumulation on b. vallismortis was examined in the liquid culture media. the growth was not significantly affected in the presence of 1.0, 2 ... | 2017 | 28285087 |
| enhanced biodegradation of low and high-density polyethylene by novel bacterial consortia formulated from plastic-contaminated cow dung under thermophilic conditions. | the current study aimed to devise eco-friendly, safe, and cost-effective strategies for enhanced degradation of low- and high-density polyethylene (ldpe and hdpe) using newly formulated thermophilic microbial consortia from cow dung and to assess the biodegradation end products. the plastic-degrading bacteria from cow dung samples gathered from highly plastic-acclimated environments were enriched by standard protocols. the degradation ability was comprehended by zone of clearance method, and the ... | 2017 | 28188552 |
| phylogenetic analysis of polygalacturonase-producing bacillus and pseudomonas isolated from plant waste material. | keeping in mind the commercial application of polygalacturonase (pg) in juice and beverages industry, bacterial strains were isolated from rotten fruits and vegetables to screen for competent producers of pg. | 2016 | 27099686 |
| isolation, production, purification and characterization of an organic-solvent-thermostable alkalophilic cellulase from bacillus vallismortis rg-07. | the rising concerns about the scarcity of fossil fuels, the emission of green house gasses and air pollution by incomplete combustion of fossil fuel have also resulted in an increasing focus on the use of cellulases to perform enzymatic hydrolysis of the lignocellulosic materials for the generation of bioethanol. the aim of this study was to isolate a potential thermo-solvent tolerant cellulase producing bacterium from natural resources, and then applied for purification and characterization. th ... | 2015 | 25886936 |
| purification and characterization of a temperature- and ph-stable laccase from the spores of bacillus vallismortis fmb-103 and its application in the degradation of malachite green. | malachite green residue can affect aquaculture food safety. bioremediation of contaminated water by enzyme treatment is an environmentally friendly and economical way to remove contaminating substances. in the present study, a temperature- and ph-stable laccase was purified from the spores of bacillus ballismortis fmb-103 and was used to degrade malachite green. the laccase from fmb-103 (fmb-l103) was purified 15.2-fold to homogeneity (389.9 mu/mg protein with respect to abts as a substrate) by ... | 2013 | 23706133 |
| degradation of triphenylmethane dyes using a temperature and ph stable spore laccase from a novel strain of bacillus vallismortis. | the characterization of a spore laccase from bacillus vallismortis fmb-103, isolated from textile industry disposal sites, is described. the activity was 6.5 u/g of dry spore with abts as the substrate. the enzyme was quite stable at high temperature. it retained more than 90% of its initial activity after 10h at 70 °c. the enzyme demonstrated broad ph stability in both acidic and alkaline conditions. there was almost no activity loss at ph 3 over an extended period of time, and the relative act ... | 2012 | 23073092 |
| cyclic dipeptides from bacillus vallismortis bs07 require key components of plant immunity to induce disease resistance in arabidopsis against pseudomonas infection. | cyclic dipeptides (cdps) are one of the simplest compounds produced by living organisms. plant-growth promoting rhizobacteria (pgprs) also produce cdps that can induce disease resistance. bacillus vallismortis strain bs07 producing various cdps has been evaluated as a potential biocontrol agent against multiple plant pathogens in chili pepper. however, plant signal pathway triggered by cdps has not been fully elucidated yet. here we introduce four cdps, cyclo(gly-l-pro) previously identified fro ... | 2017 | 28811757 |