| [identification of aerobic and facultatively anaerobic sporulating bacteria isolated during the primary milk collection]. | aerobic and/or facultatively anaerobic sporulating gram-positive bacteria of the genus bacillus influence nutritive and sensory properties of pasteurized milk by their proteolytic and lipolytic activity. since particularly raw milk is a source of pasteurized milk contamination by spore-producing bacteria, our investigations were focused on identification of bacilli from operations of milk agricultural primary production. the species b. licheniformis and b. cereus (crielly et al., 1994) are the m ... | 1996 | 8619278 |
| a polyphasic reassessment of the genus paenibacillus, reclassification of bacillus lautus (nakamura 1984) as paenibacillus lautus comb. nov. and of bacillus peoriae (montefusco et al. 1993) as paenibacillus peoriae comb. nov., and emended descriptions of p. lautus and of p. peoriae. | seventy-seven strains representing 10 species in the paenibacillus polymyxa 16s rrna group and 3 other species that exhibit phenetic relatedness to members of this group, bacillus lautus, "bacillus longisporus," and bacillus peoriae, were characterized genotypically and phenotypically by performing an amplified ribosomal dna restriction analysis, a randomly amplified polymorphic dna analysis, a fatty acid methyl ester analysis, sodium dodecyl sulfate-polyacrylamide gel electrophoresis of whole-c ... | 1996 | 8863428 |
| emended description of paenibacillus amylolyticus and description of paenibacillus illinoisensis sp. nov. and paenibacillus chibensis sp. nov. | the taxonomic position of unidentified group 6 of bacillus circulans as described by nakamura and swezey (l.k. nakamura and j. swezey, int. j. syst. bacteriol. 33:46-52, 1983) was determined, and the taxonomy of paenibacillus amylolyticus was reexamined. the results of pcr amplification of a 16s rrna gene fragment with a specific primer and comparative analysis of 16s rrna gene sequences warranted placing the two taxa in the genus paenibacillus. the levels of dna reassociation among the strains ... | 1997 | 9103613 |
| paenibacillus granivorans sp. nov., a new paenibacillus species which degrades native potato starch granules. | from a native potato starch-degrading enrichment culture, strain a30 had been isolated and had tentatively been identified as a member of the bacillus firmus/lentus group (wijbenga et al. appl. microbiol. biotechnol. 35, 180-184, 1991). in this paper the isolate a30 is further characterized using phylogentic analysis of the 16s rdna and determination of a number of additional phenotypic characteristics. these data are compared to those of paenibacillus amylolyticus, p. chibensis, and p. thiamino ... | 2000 | 11108012 |
| characterization of pectin lyase produced by an endophytic strain isolated from coffee cherries. | the effect of endophytic bacterial activity on the quality of coffee beverage was studied. | 2001 | 11472518 |
| pseudobacteraemia in a patient with neutropenic fever caused by a novel paenibacillus species: paenibacillus hongkongensis sp. nov. | to characterise a strain of gram negative aerobic straight or slightly curved rods (hku3) isolated from the blood culture of a 9 year old chinese boy with neutropenic fever and pseudobacteraemia. | 2003 | 12560460 |
| characterization of endospore-forming bacteria associated with entomopathogenic nematodes, heterorhabditis spp., and description of paenibacillus nematophilus sp. nov. | endospore-forming bacteria were isolated from insect-pathogenic nematodes, heterorhabditis spp., from three diverse geographical locations. spindle-shaped sporangia of these bacteria adhere to the free-living infective stage of the nematode, which carries them to new insect hosts, where the bacterium reproduces. these isolates were characterized based on phenotypic and chemotaxonomic properties and 16s rrna gene sequences. analysis of the 16s rrna gene placed the isolates within the genus paenib ... | 2003 | 12710609 |
| cloning and sequencing of a poly(dl-lactic acid) depolymerase gene from paenibacillus amylolyticus strain tb-13 and its functional expression in escherichia coli. | the gene encoding a poly(dl-lactic acid) (pla) depolymerase from paenibacillus amylolyticus strain tb-13 was cloned and overexpressed in escherichia coli. the purified recombinant pla depolymerase, plaa, exhibited degradation activities toward various biodegradable polyesters, such as poly(butylene succinate), poly(butylene succinate-co-adipate), poly(ethylene succinate), and poly(epsilon-caprolactone), as well as pla. the monomeric lactic acid was detected as the degradation product of pla. the ... | 2003 | 12732514 |
| bioconversion of lutein using a microbial mixture--maximizing the production of tobacco aroma compounds by manipulation of culture medium. | the generation of aroma compounds by carotenoid cleavage in the 9-10 position was studied, due to the importance of these compounds in the flavor and fragrance industry. the bioconversion of the carotenoid lutein to c(13) norisoprenoids utilizing a microbial mixture composed of trichosporon asahii and paenibacillus amylolyticus was carried out by a fermentation process. applying an experimental design methodology, the effects of nutritional factors on the production of aroma compounds present in ... | 2005 | 15660215 |
| paenibacillus barcinonensis sp. nov., a xylanase-producing bacterium isolated from a rice field in the ebro river delta. | a gram-positive, endospore-forming, xylanase-producing bacterium isolated from a rice field was studied taxonomically. the strain grows at 10-40 degrees c and in the presence of lysozyme or 5 % (w/v) nacl. chemotaxonomic analysis revealed that mk-7 was the predominant menaquinone of the isolated strain, while the major fatty acid was anteiso-c(15 : 0). comparison of 16s rrna gene sequences showed that strain bp-23(t) fell within the radiation of the cluster comprising paenibacillus species. the ... | 2005 | 15774688 |
| selection of bacteria able to control fusarium oxysporum f. sp. radicis-lycopersici in stonewool substrate. | tomato foot and root rot (tfrr), caused by fusariumoxysporum f. sp. radicis-lycopersici (forl), is an economically important disease of tomato. the aim of this study was to develop an efficient protocol for the isolation of bacteria, which controls tfrr based on selection of enhanced competitive root-colonizing bacteria from total rhizosphere soil samples. | 2007 | 17241352 |
| polymyxin e production by p. amylolyticus. | to investigate antibiotic production by bacteria isolated from the hindgut of tipula abdominalis, the aquatic crane fly. | 2007 | 17958555 |
| efficacy of enterocin as-48 against bacilli in ready-to-eat vegetable soups and purees. | the broad-spectrum bacteriocin enterocin as-48 was tested for biopreservation of ready-to-eat vegetable foods (soups and purees) against aerobic mesophilic endospore-forming bacteria. by adding as-48 (10 microg/ml), bacillus cereus lwl1 was completely inhibited in all six vegetable products tested (natural vegetable cream, asparagus cream, traditional soup, homemade-style traditional soup, vegetable soup, and vichyssoise) for up to 30 days at 6, 15, and 22 degrees c. a collection of strains isol ... | 2007 | 17969616 |
| paenibacillus provencensis sp. nov., isolated from human cerebrospinal fluid, and paenibacillus urinalis sp. nov., isolated from human urine. | gram-negative, spore-forming rods were isolated from a human urine sample (strain 5402403(t)) and a human cerebrospinal fluid sample (strain 4401170(t)). based on genotypic characteristics, these strains belonged to the genus paenibacillus and were closely related. phylogenetic analysis based on 16s rrna gene sequence comparison showed that they clustered with paenibacillus massiliensis 2301065(t) (95.9 and 94.3 % 16s rrna gene sequence similarity, respectively, for strains 5402403(t) and 440117 ... | 2008 | 18319478 |
| paenibacillus taichungensis sp. nov., from soil in taiwan. | among a large collection of taiwanese soil isolates, a novel gram-variable, rod-shaped, motile, endospore-forming bacterial strain, strain v10537(t), was subjected to a polyphasic study including 16s rrna and gyrb gene sequence analysis, dna-dna hybridization experiments, cell wall peptidoglycan type, cellular fatty acid composition analysis and comparative phenotypic characterization. 16s rrna gene sequence analysis indicated that the organism belonged to the genus paenibacillus. strain v10537( ... | 2008 | 18984707 |
| paenibacillus tylopili sp.nov., a chitinolytic bacterium isolated from the mycorhizosphere of tylopilus felleus. | two chitinolytic bacterial strains (designated mk2(t) and v7) were isolated from the mycorhizosphere of the fungus tylopilus felleus. the strains were facultatively anaerobic g(+) endospore formers. physiological analysis and 16s rrna gene pcr-rflp assays revealed nearly identical profiles for both strains, demonstrating their relationship at the species level. sequences specific for the genus paenibacillus were found within the 16s rrna gene sequence of the strain mk2(t). the 16s rrna gene sequ ... | 2008 | 19085079 |
| glucose exerts a negative effect over a peroxidase from trichosporon asahii, with carotenoid cleaving activity. | tobacco aroma compounds were generated via lutein cleavage by the combined action of a yeast and a bacterium identified as trichosporon asahii and paenibacillus amylolyticus, respectively. in this study, an inverse relationship between glucose concentration and the generation of three compounds, present in the tobacco aroma profile, was observed in mixed cultures. in order to identify the organism sensitive to the sugar effect, both were grown separately. the presence of glucose suppressed beta- ... | 2009 | 19390852 |
| paenibacillus tundrae sp. nov. and paenibacillus xylanexedens sp. nov., psychrotolerant, xylan-degrading bacteria from alaskan tundra. | eight psychrotolerant, xylan-degrading strains of bacteria that were catalase-positive, oxidase-negative and able to reduce nitrate to nitrite were isolated from soil beneath moist non-acidic and acidic tundra in northern alaska. the dna g+c contents for the strains ranged from 46.4-50.3 mol%. phylogenetic analysis based on 16s rrna gene sequences revealed that each strain belonged to the genus paenibacillus. the highest level of 16s rrna gene similarity was found between the eight strains and p ... | 2009 | 19542122 |
| characterization of two paenibacillus amylolyticus strain 27c64 pectate lyases with activity on highly methylated pectin. | two pectate lyases were identified from paenibacillus amylolyticus 27c64; both enzymes demonstrated activity on methylated pectin in addition to polygalacturonic acid. pela is in a subclass of the pectate lyase family iii. pelb shows some features of pectate lyase family i but is highly divergent. | 2010 | 20622125 |
| redox properties of 8-quinolinol and implications for its mode of action. | 8-quinolinol (oxine, 8-hydroxyquinoline) is a simple aromatic alkaloid with allelopathic, antibacterial, antifungal, and cytotoxic activities. generally, it is assumed that 8-quinolinol toxicity depends on transition metal chelation that negatively affects their availability for metalloenzymes in the cell or reactive oxygen species generation (ros), which are formed following reduction of molecular oxygen by autoxidation of the redox active metal central atom of the 8-quinolinol complex. on the ... | 2011 | 21615015 |
| spoilage of microfiltered and pasteurized extended shelf life milk is mainly induced by psychrotolerant spore-forming bacteria that often originate from recontamination. | premature spoilage and varying product quality due to microbial contamination still constitute major problems in the production of microfiltered and pasteurized extended shelf life (esl) milk. spoilage-associated bacteria may enter the product either as part of the raw milk microbiota or as recontaminants in the dairy plant. to identify spoilage-inducing bacteria and their routes of entry, we analyzed end products for their predominant microbiota as well as the prevalence and biodiversity of psy ... | 2017 | 28197147 |
| community composition and cellulase activity of cellulolytic bacteria from forest soils planted with broad-leaved deciduous and evergreen trees. | cellulolytic bacteria in forest soil provide carbon sources to improve the soil fertility and sustain the nutrient balance of the forest ecological system through the decomposition of cellulosic remains. these bacteria can also be utilized for the biological conversion of biomass into renewable biofuels. in this study, the community compositions and activities of cellulolytic bacteria in the soils of forests planted with broad-leaved deciduous (chang qing garden, cqg) and broad-leaved evergreen ... | 2014 | 23893311 |
| short communication: no antimicrobial effects from one source of commercial dried distillers grains with solubles. | because residual antibiotics in dried distillers grains with solubles (ddgs) could lead to inadvertent feeding of antibiotics to animals, the objective of our study was to determine if a commercial ddgs contained antibiotics. the ddgs used in a feeding study, and milk from cows fed the ddgs, were below the detection limits for at least 17 antibiotics. additionally, we evaluated if ddgs had any antimicrobial effect against salmonella typhimurium, listeria innocua, escherichia coli atcc 25922, sta ... | 2015 | 26454305 |
| identification and characterization of psychrotolerant sporeformers associated with fluid milk production and processing. | psychrotolerant spore-forming bacteria represent a major challenge to the goal of extending the shelf life of pasteurized dairy products. the objective of this study was to identify prominent phylogenetic groups of dairy-associated aerobic sporeformers and to characterize representative isolates for phenotypes relevant to growth in milk. analysis of sequence data for a 632-nucleotide fragment of rpob showed that 1,288 dairy-associated isolates (obtained from raw and pasteurized milk and from dai ... | 2012 | 22247129 |
| severe sepsis secondary to persistent lysinibacillus sphaericus, lysinibacillus fusiformis and paenibacillus amylolyticus bacteremia. | lysinibacillus and paenibacillus are pervasive bacteria rarely associated with human disease. less sophisticated microbiology techniques may frequently incorrectly identify these genera as bacillus spp., often regarded as environmental contamination. this report describes a case of severe sepsis due to persistent lysinibacillus and paenibacillus bacteremia, identified by matrix-assisted laser desorption and ionization time-of-flight mass spectroscopy and 16s rrna gene sequencing. | 2015 | 25931198 |
| distinct gene expression profile of xanthomonas retroflexus engaged in synergistic multispecies biofilm formation. | it is well known that bacteria often exist in naturally formed multispecies biofilms. within these biofilms, interspecies interactions seem to have an important role in ecological processes. little is known about the effects of interspecies interactions on gene expression in these multispecies biofilms. this study presents a comparative gene expression analysis of the xanthomonas retroflexus transcriptome when grown in a single-species biofilm and in dual- and four-species consortia with stenotr ... | 2017 | 27505346 |
| high prevalence of biofilm synergy among bacterial soil isolates in cocultures indicates bacterial interspecific cooperation. | biofilms that form on roots, litter and soil particles typically contain multiple bacterial species. currently, little is known about multispecies biofilm interactions and few studies have been based on environmental isolates. here, the prevalence of synergistic effects in biofilm formation among seven different soil isolates, cocultured in combinations of four species, was investigated. we observed greater biofilm biomass production in 63% of the four-species culture combinations tested than in ... | 2015 | 24936766 |
| paenibacillus cucumis sp. nov. isolated from a cucumber plant. | a gram-positive staining, aerobic, endospore-forming bacterial strain, isolated from a stem of a cucumber plant was studied in detail for its taxonomic position. based on 16s rrna gene sequence similarity comparisons, strain ap-115t was grouped into the genus paenibacillus, most closely related to paenibacillus amylolyticus (98.8%), paenibacillus tundrae and paenibacillus barcinonensis (both 98.4%). the 16s rrna gene sequence similarity to other paenibacillus species was ≤ 98.3%. chemotaxonomic ... | 2016 | 27089462 |
| draft genome sequence of paenibacillus amylolyticus heshi-a3, isolated from fermented rice bran in a japanese fermented seafood dish. | paenibacillus amylolyticusstrain heshi-a3 was isolated in fukui prefecture, japan, from fermented rice bran in heshiko, a traditional dish that is produced by aging salted mackerel with fresh rice bran at an ambient temperature for around 7 months to over one year. here, we report the draft genome sequence ofpaenibacillus amylolyticusstrain heshi-a3. | 2016 | 27034503 |
| degradation of polyvinyl alcohol in textile waste water by microbacterium barkeri kccm 10507 and paenibacillus amylolyticus kccm 10508. | microbacterium barkeri kccm 10507 and paenibacillus amylolyticus kccm 10508 were isolated and identified for the degradation of polyvinyl alcohol (pva) contained in textile waste water. kinetic parameters such as growth rate and substrate utilization rate were determined using a pure culture of two isolated strains. the degradation rate by a mixed culture of two isolated strains was higher than that by single strain only. also, the effect of polymerization degree on biodegradation was negligible ... | 2015 | 26000781 |
| high-throughput screening of multispecies biofilm formation and quantitative pcr-based assessment of individual species proportions, useful for exploring interspecific bacterial interactions. | multispecies biofilms are predominant in almost all natural environments, where myriads of resident microorganisms interact with each other in both synergistic and antagonistic manners. the interspecies interactions among different bacteria are, despite the ubiquity of these communities, still poorly understood. here, we report a rapid, reproducible and sensitive approach for quantitative screening of biofilm formation by bacteria when cultivated as mono- and multispecies biofilms, based on the ... | 2014 | 24337804 |
| cellulolytic potential of a novel strain of paenibacillus sp. isolated from the armored catfish parotocinclus maculicauda gut. | a cellulolytic bacterial strain, designated p118, isolated from the gut of the tropical fish parotocinclus maculicauda was identified as belonging to the genus paenibacillus based on phenotypic and chemotaxonomic characteristics and the 16s rrna gene sequence. the novel strain was gram-positive, spore-forming and rod-shaped. catalase but not oxidase was produced. carboxymethylcellulose was hydrolyzed but starch or gelatin was not. acetoin production was negative whereas nitrate reduction and ure ... | 2011 | 24031795 |