PCR-DGGE-based study of fecal microbial stability during the long-term chitosan supplementation of humans.

abstract：:Bacillus subtilis strains expressing listeriolysin O (LLO) and simultaneously LLO and p60 protein were constructed. The effect of p60 protein on hemolytic activity and on the invasion of professional phagocytes was demonstrated in the absence of other virulence factors of L. monocytogenes. The hemolytic activity of LL...

journal_title：Folia microbiologica

authors： Krawczyk-Balska A,Markiewicz Z,Bielecki J

更新日期：2005-01-01 00:00:00

abstract：:A new strain of Bacillus sp. was isolated from a hot water spring in India. This strain generated a high activity of extracellular beta-galactosidase at 37 degrees C in shake flasks. The beta-galactosidase activity was found to increase continuously but the production rate was slower than with some other organisms rep...

journal_title：Folia microbiologica

authors： Sani RK,Chakraborti S,Sobti RC,Patnaik PR,Banerjee UC

更新日期：1999-01-01 00:00:00

abstract：:Three types of heterogeneous preparations and four types of preparations of polysaccharide nature were obtained in studies aimed at the isolation of active compounds from Aspergillus flavus conidia bearing their biological stimulatory activity. Extraction with trichloroacetic acid at 0 degrees C yielded a preparation ...

journal_title：Folia microbiologica

authors： Budínská O,Franĕk J,Kubín V,Fiedorov BA,Stasilevitch ZK

更新日期：1981-01-01 00:00:00

abstract：:The minimum inhibitory concentrations (MICs) of 24 antibiotics were determined for 45 Stenotrophomonas maltophilia strains by the microdilution method at 37 and 30 degrees C (after 24 h and 48 h of incubation). The isolates were obtained from mouth swabs and pus of 116 captive snakes whereas the identical strains (bas...

journal_title：Folia microbiologica

authors： Hejnar P,Kolár M,Sauer P

更新日期：2010-01-01 00:00:00

abstract：:Antibody response to major porin proteins of S. Typhi (OmpC and OmpF) was evaluated in sera of typhoid patients (culture positive, n = 28; Widal positive, n = 16). Sera from fever patients (n = 6) having etiology other than Salmonella, and normal healthy human controls (n = 18) were also included. No significant diffe...

journal_title：Folia microbiologica

authors： Kumar S,Kapil S,Gautam V,Verma SK,Ray P

更新日期：2010-09-01 00:00:00

abstract：:The ability of six bifidobacterial strains (3 of human origin and 3 isolates from fermented milk products) to utilize glucose, lactose, melezitose, sucrose, raffinose, and stachyose was determined. Dairy-related bifidobacterial strains were identified as Bifidobacterium animalis (2 strains) or as B. pseudolongum (1 st...

journal_title：Folia microbiologica

authors： Rada V,Bartonová J,Vlková E

更新日期：2002-01-01 00:00:00

abstract：:A 6.5 kb DNA fragment containing the gene (thrC) encoding threonine synthase, the last enzyme of the threonine biosynthetic pathway, has been cloned from the DNA of Bacillus sp. ULM1 by complementation of Escherichia coli and Brevibacterium lactofermentum thrC auxotrophs. Complementation studies showed that the thrB g...

journal_title：Folia microbiologica

authors： Malumbres M,Mateos LM,Guerrero C,Martín JF

更新日期：1995-01-01 00:00:00

abstract：:This review discusses methods for the single-chain antibody fragment ($cFv) generation and scFv expression systems, and describes potential applications of scFv in the therapy of viral diseases and cancer, with emphasis on intracellularly expressed scFvs (intrabodies), application of scFvs in detection and diagnostics...

journal_title：Folia microbiologica

authors： Blazek D,Celer V

更新日期：2003-01-01 00:00:00

abstract：:Fungal cells of Aureobasidium pullulans ATCC 201253 were immobilized by entrapment in chitosan beads, and the immobilized cells were investigated for their ability to produce the polysaccharide pullulan using batch fermentation. The 1% chitosan-entrapped fungal cells were capable of producing pullulan for two cycles o...

journal_title：Folia microbiologica

authors： West TP

更新日期：2011-07-01 00:00:00

abstract：:Resistance determinants for HgCl2 and CdCl2 were eliminated along with a number of antibiotic resistance factors from Acinetobacter lwoffi and Micrococcus sp. at 44 degrees C. These organisms were orginally resistant to HgCl2, merbromin, CdCl2, Pb(NO3)2, benzylpenicillin, erythromycin, carbenicillin, tetracycline and ...

journal_title：Folia microbiologica

authors： Bhattacharyya G,Chaudhuri J,Mandal A

更新日期：1988-01-01 00:00:00

abstract：:Strains ofRhodotorula sp.,Candida spp. andLangermania sp. cultivated on polyunsaturated oil preferentially incorporated more unsaturated fatty acids. These fatty acids were used mainly for growth needs whereas the saturated ones accumulated in the microbial cell. The cellular oil and the remaining oil in the culture h...

journal_title：Folia microbiologica

authors： Aggelis G,Papadiotis G,Komaitis M

更新日期：1997-04-01 00:00:00

abstract：:Small plasmid pKST23 was isolated from sheep ruminal Escherichia coli population. Plasmid sequence was determined to be 2,779 bp in length and was found to have an overall 42 % of GC pairs. However, its sequence can be divided into two regions based on genetic composition and the GC content. It was found that the high...

journal_title：Folia microbiologica

authors： Fecskeová L,Kovařík M,Javorský P,Pristaš P

更新日期：2012-07-01 00:00:00

abstract：:3-(1,1-Dioxadibenzothien-4-oyl)acrylic acid (1) was condensed with compounds containing active methylene groups under Michael reaction conditions to furnish the Michael adducts (lactones 2a-c, lactams 3a-c, ketones 4a,b). The behavior of these adducts toward the action of hydrazine hydrate were investigated. The compo...

journal_title：Folia microbiologica

authors： Wasfy AA,Amine MS,Arief MM,Donia SG,Aly AA

更新日期：2002-01-01 00:00:00

abstract：:Coxiella burnetii (C. burnetii), an intracellular zoonotic bacterium causing Q fever, occurs widely in cattle herds. After invasion of the pregnant uterus and initial localization in the placenta, active C. burnetii infections may spread to the fetus hematogenously or by the amniotic-oral route and thus may cause abor...

journal_title：Folia microbiologica

authors： Freick M,Konrath A,Enbergs H,Walraph J,Weber J,Eulenberger K

更新日期：2018-03-01 00:00:00

abstract：:Isolates of Stenotrophomonas maltophilia species display the feature "temperature-dependent susceptibility" (TDS) to antibiotics. Both 30TDS strains (at least 4 times lower value of minimum inhibitory concentration (MIC) of an antibiotic at 30 than at 37 degrees C) and 37TDS strains (at least 4 times lower value of MI...

journal_title：Folia microbiologica

authors： Hejnar P,Chmela Z,Rypka M

更新日期：2002-01-01 00:00:00

abstract：:The microflora of the chernozem soil mineralized 62% of the lactose retained on a column consisting of three 10-g layers of the soil at a daily flow of 48 mg of the sugar. Only 45% of the sugar was mineralized when the daily flow was 136 mg. The highest value of the beta-galactosidase activity in the system of heteroc...

journal_title：Folia microbiologica

authors： Rysavý P

更新日期：1981-01-01 00:00:00

abstract：:The assumption that the pyruvate decarboxylase activity of Saccharomyces carlsbergensis is the main limiting factor determining the formation rate and the total amount of d(--)-l-hydroxy-l-phenyl-propanone (phenylacetylcarbinol, PAC) produced was not confirmed. An increase of about 30% of the total amount of the PAC p...

journal_title：Folia microbiologica

authors： Vojtísek V,Netrval J

更新日期：1982-01-01 00:00:00

abstract：:Using phenol--water extraction, a lipopeptidopolysaccharide complex (LPPS) was isolated from Listeria monocytogenes. Some biological and immunological properties of LPPS were compared with lipopolysaccharide isolated by the same procedure from Salmonella typhimurium. LPPS possesses low pyrogenicity, but the immunologi...

journal_title：Folia microbiologica

authors： Hofman J,Pospísil M,Mára M,Hríbalová V

更新日期：1985-01-01 00:00:00

abstract：:A selection of tert-butylhydroperoxide (tBOOH)-tolerant Candida albicans mutants showed increased tolerances to 19 different stress conditions. These mutants are characterized by a constitutively upregulated antioxidative defense system and, therefore, adaptation to oxidative stress may play an important role in gaini...

journal_title：Folia microbiologica

authors： Jakab Á,Antal K,Kiss Á,Emri T,Pócsi I

更新日期：2014-07-01 00:00:00

abstract：:Oxygen uptake by the spores of Fusarium moniliforme, F. oxysporum, F. semitectum, F. solani, Mucor racemosus and Trichoderma viride was increased in the presence of volatile substances extracted from Origanum majorana and Ocimum basilicum. This increase was greater in the presence of volatile substances from O. basili...

journal_title：Folia microbiologica

authors： Afifi AF,Dowidar AE

更新日期：1978-01-01 00:00:00

abstract：:Secreted aspartyl proteinase (Sap) distribution among different C. albicans isolates was determined using SAP-specific primers in polymerase chain reaction (PCR) assay. SAP1, SAP2, and SAP3 were detected in 13 of 40 (32.5%), SAP4 in 38/40 (95%), SAP5 were detected in 30/40 (75%), SAP6 in 23/40 (57.5%) of C. albicans s...

journal_title：Folia microbiologica

authors： Kalkanci A,Bozdayi G,Biri A,Kustimur S

更新日期：2005-01-01 00:00:00

abstract：:The bioluminescence (BLM) and colony-forming units (CFU) of Pseudomonas fluorescens HK44 were monitored during encapsulation into pre-polymerized Si(OMe)₄. The non-induced BLM of free cells was increased in the presence of 0.5-2.5 % MeOH. After mixing silica sol with the cell suspension, both BLM and CFU dropped to 1-...

journal_title：Folia microbiologica

authors： Trögl J,Kuncová G,Kuráň P

更新日期：2010-11-01 00:00:00

abstract：:Five arsenic-resistant bacterial strains (designated MP1400, MP1400a, MP1400d, APSLA3, and BPSLA3) were isolated from soils collected at the Alps region (Italy), which showed no contamination by arsenic. Phylogenetic analysis of the 16S rRNA gene sequences assigned them to the genera Pseudomonas and Bacillus. Bacillus...

journal_title：Folia microbiologica

authors： Pepi M,Protano G,Ruta M,Nicolardi V,Bernardini E,Focardi SE,Gaggi C

更新日期：2011-01-01 00:00:00

abstract：:Biodegradation of two amphiphilic "soft" antimicrobially active derivatives of lauric (dodecanoic) acid, a quaternary ammonium salt and an amine oxide bearing an amide or ester group, was followed using microorganisms from activated sludge. Primary biodegradation was determined by ion-selective electrodes, total biode...

journal_title：Folia microbiologica

authors： Cupková V,Sirotková L,Mlynarcík D,Devínsky F,Lacko I,Kovacková Z

更新日期：1993-01-01 00:00:00

abstract：:This is the first report describing precipitation of bacteriophage particles with zinc chloride as a method of choice to isolate infectious lytic bacteriophages against Pectobacterium spp. and Dickeya spp. from environmental samples. The isolated bacteriophages are ready to use to study various (ecological) aspects of...

journal_title：Folia microbiologica

authors： Czajkowski R,Ozymko Z,Lojkowska E

更新日期：2016-01-01 00:00:00

abstract：:The production of bacterial enzymes in batch fermentations is compared with results obtained in continuous culture. When studying the production of alpha-amylase in Bacillus subtilis it was found that instability of the enzyme synthesis was due to nonhomogeneity of the population rather than to "the culture's history"...

journal_title：Folia microbiologica

authors： Fencl Z,Pazlarová J

更新日期：1982-01-01 00:00:00

abstract：:Biological activity of secondary metabolites produced by a plant-growth-promoting Pseudomonas fluorescens was evaluated. The strain produced antibiotics phenazine (PHE), 2,4-diacetylphloroglucinol (PHL) and siderophore pyoverdin (PYO) in standard King's B and succinic acid media, respectively. After extraction, PYO wa...

journal_title：Folia microbiologica

authors： Boruah HP,Kumar BS

更新日期：2002-01-01 00:00:00

abstract：:Isolation and structure elucidation was carried out of flavonoid constituents found in fractionated extracts of the seeds and green leaves of Daucus carota L. var. boissieri (Apiaceae). The flavonoids are mainly apigenin, luteolin, their glycosidic precursors and 2,4,5-trimethoxybenzaldehyde. Fatty acids, hydrocarbons...

journal_title：Folia microbiologica

authors： Shalaby NM,Maghraby AS,el-Hagrassy AM

更新日期：1999-01-01 00:00:00

abstract：:Aminoglycosides at 2x or 4x minimum inhibitory concentration induced postantibiotic effects against Pseudomonas aeruginosa lasting 3.5-4.9 h (gentamicin) and 0.5-3.7 h (selemycin). Postantibiotic effects of subinhibitory concentrations of the aminoglycosides tested were substantially longer. Some combinations of supra...

journal_title：Folia microbiologica

authors： Hostacká A

更新日期：1996-01-01 00:00:00

abstract：:The activities of inorganic pyrophosphatase, thymidine kinase and thymidine phosphorylase were measured in Ter-mutants of E. coli K12 which have a higher or a lower dTTP pool than the parent strain. The levels of inorganic pyrophosphatase and thymidine kinase were changed in the same direction and that of thymidine ph...

journal_title：Folia microbiologica

authors： Kukko E,Sundell L

更新日期：1983-01-01 00:00:00