Biological function of DNA methylation.

abstract：:The pathogenesis of bacillary dysentery can be studied at different levels of integration of the cellular components that constitute the colonic mucosal barrier. We considered the interaction of Shigella flexneri in three experimental systems that provide complementary information and a scheme of events occurring in h...

journal_title：Folia microbiologica

authors： Sansonetti PJ

更新日期：1998-01-01 00:00:00

abstract：:We report the cloning and sequence analysis of a gamma-butyrolactone autoregulator regulatory island that includes an sscR gene encoding the gamma-butyrolactone autoregulator receptor from Streptomyces scabies NBRC 12914, a plant pathogenic strain. gamma-Butyrolactone autoregulators trigger secondary metabolism, and s...

journal_title：Folia microbiologica

authors： Kitani S,Hoshika M,Nihira T

更新日期：2008-01-01 00:00:00

abstract：:The aim of this study was to determine the prevalence of Listeria sp. and Listeria monocytogenes in soil samples with reference to type of fertilizers (natural and artificial) and distance from places intensively exploited by men, as well as to determine the relationship between the presence of L. monocytogenes in the...

journal_title：Folia microbiologica

authors： Szymczak B,Szymczak M,Sawicki W,Dąbrowski W

更新日期：2014-01-01 00:00:00

abstract：:Treatment of human group C and G streptococci with cyanogen bromide results in solubilization of surface protein G molecules. Strain-to-strain variation in the quantity, molar mass and functional activity of protein G extracted from representative group C and G isolates led to the identification of three structurally ...

journal_title：Folia microbiologica

authors： Gupalova T,Voltchek N,Totolyan A

更新日期：1999-01-01 00:00:00

abstract：:Viridans group streptococci bloodstream infections (VGS BSI) remain a significant cause of mortality and morbidity in patients with severe neutropenia. The goal of our study was to evaluate clinical course and microbiological susceptibility of VGS BSI at our center. Retrospective analysis of all microbiologically docu...

journal_title：Folia microbiologica

authors： Radocha J,Paterová P,Zavřelová A,Víšek B,Gabalec F,Žemličková H,Žák P

更新日期：2018-03-01 00:00:00

abstract：:Nalidixic acid was used for describing more accurately the terminal replication region of the Mycobacterium phlei chromosome. Cell division in synchronized cultures was not sensitive to this acid any more between 185-190 min, i.e. about 10 min after replication of the ser gene, the last of 24 genes of the replication ...

journal_title：Folia microbiologica

authors： Konícek J,Konícková-Radochová M,Cáslavská J,Wolf A

更新日期：1981-01-01 00:00:00

abstract：:A high infective dose of Taxocara canis eggs (2,500 eggs per mouse) induced a partial immunosuppression in mice, manifested by inhibition of the proliferative response of splenic T and B cells to polyclonal activators. A glucan immunomodulator given to infected animals at the beginning of the experiment showed a marke...

journal_title：Folia microbiologica

authors： Borosková Z,Reiterová K,Dubinský P,Tomasovicová O,Machnicka B

更新日期：1998-01-01 00:00:00

abstract：:The ability of surfactants obtained from three Lactobacillus acidophilus strains to inhibit Staphylococcus aureus and S. epidermidis biofilms was evaluated. Their influence was determined on bacterial initial adhesion, biofilm formation and dispersal using MTT-reduction assay, confocal laser scanning microscopy and im...

journal_title：Folia microbiologica

authors： Walencka E,Rózalska S,Sadowska B,Rózalska B

更新日期：2008-01-01 00:00:00

abstract：:Mathematical expressions were derived for the dilution rate and concentration of algae determining the maximum biomass production in a semicontinuous algal culture. ...

journal_title：Folia microbiologica

authors： Lívanský K

更新日期：1979-01-01 00:00:00

abstract：:The structural gene coding for YompC has been identified in the genome of a pathogenic strain of Yersinia enterocolitica O:9, and was subsequently cloned and sequenced. Detailed alignment of the deduced amino acid sequence showed that YompC is a member of the OmpC porin family with the highest degree of homology to Kl...

journal_title：Folia microbiologica

authors： Brzostek K,Raczkowska A

更新日期：2007-01-01 00:00:00

abstract：:Manganese peroxidase (MnP) was produced by shallow stationary cultures of Phanerochaete chrysosporium growing on N-limited medium. Decolorization of sulfonphthalein (SP) dyes by MnP was investigated. The MnP activity profile and decolorization of SP dyes was correlated and almost all dyes were decolorized at pH 4.0. T...

journal_title：Folia microbiologica

authors： Christian VV,Shrivastava R,Novotný C,Vyas BR

更新日期：2003-01-01 00:00:00

abstract：:Biochemical properties of a termostable alkaline phosphatase obtained from the mycelium extract of A. caespitosus were described. The enzyme was purified 42-fold with 32% recovery by DEAE-cellulose and concanavalin A-Sepharose chromatography. The molar mass estimated by Sephacryl S-200 or by 7% SDS-PAGE was 138 kDa an...

journal_title：Folia microbiologica

authors： Guimarães LH,Júnior AB,Jorge JA,Terenzi HF,Polizeli ML

更新日期：2007-01-01 00:00:00

abstract：:The resistance to killing by free radicals of two mutants ofPhaffia rhodozyma was determined. Mutant 5-7 did not produce astaxanthin but produced beta-carotene, while mutant 3-4 did not produce any carotenoid pigments. The resistance of mutant 5-7 was the same as that of the wild type but mutant 3-4 was rapidly killed...

journal_title：Folia microbiologica

authors： Santopietro LM,Spencer JF,Spencer DM,Siñeriz F

更新日期：1998-01-01 00:00:00

abstract：:A method is presented for the successful decontamination of sparingly soluble pteridine derivatives by microwave irradiation. The method is nondestructive, rapid and effective in eliminating contamination. ...

journal_title：Folia microbiologica

authors： Alam A

更新日期：1991-01-01 00:00:00

abstract：:The present study was conducted to determine the gene responsible for beta-glucosidase (BGL) production and to generate a full-length complementary DNA (cDNA) of one of the putative BGL genes, which showed a significant expression level when Schizophyllum commune KUC9397 was grown in optimized medium. The relative exp...

journal_title：Folia microbiologica

authors： Lee YM,Lee H,Heo YM,Lee H,Hong JH,Kim JJ

更新日期：2017-05-01 00:00:00

abstract：:Phytoplankton successions under ice cover (January-March) were determined in four oligotrophic lakes (Burtjärn, Aspen, Vialamptjärn and Storkorstjärn) located in North-Eastern Sweden. The total phosphorus concentration in the lakes was less than 10 micrograms/L. Lake Burtjärn (reference lake) had a similar hydrology a...

journal_title：Folia microbiologica

authors： Wahlström G,Danilov RA

更新日期：2003-01-01 00:00:00

abstract：:Genetic diversity of 89 isolates of Rhizoctonia solani isolated from different pulse crops representing 21 states from 16 agro-ecological regions of India, 49 morphological, and 7 anastomosis groups (AGs) was analyzed using 12 universal rice primers (URPs), 22 random amplified polymorphic DNA (RAPD), and 23 inter-simp...

journal_title：Folia microbiologica

authors： Dubey SC,Tripathi A,Upadhyay BK

更新日期：2012-11-01 00:00:00

abstract：:Using fluorescein-labelled antibodies against gamma, mu and alpha chains, Ig-containing cells in palatine tonsils were studied in 120 patients. The aim of this study was to determine the most frequently repeated typical findings as regards the numbers and localisation of these cells in tonsils and to confront the data...

journal_title：Folia microbiologica

authors： Franĕk J,Kubín V,Novák V,Bedka J

更新日期：1981-01-01 00:00:00

abstract：:Levels of phenotypic and genotypic diversity among seven Megasphaera elsdenii strains recovered from rumen contents of cattle, sheep and lambs were determined by a combination of antibiotic-resistance analysis and PCR fingerprint techniques targeted both to the ribosomal RNA operon (ARDRA, RISA) and the whole genome (...

journal_title：Folia microbiologica

authors： Piknová M,Bíres O,Javorský P,Pristas P

更新日期：2006-01-01 00:00:00

abstract：:We have investigated the expression of cyclins, cyclin dependent kinases (CDK), and CDK inhibitors (CKI) at the mRNA level in a panel of small-cell lung cancer (SCLC) cell lines in vitro and in vivo as xenografts in nude mice. The results showed that the cell lines expressed varying amounts of most cyclin and CDK's bu...

journal_title：Folia microbiologica

authors： Krarup M,Poulsen HS,Spang-Thomsen M

更新日期：1998-01-01 00:00:00

abstract：:A hexokinase preparation was obtained from a Saccharomyces cerevisiae mutant strain deficient in glucosephosphate isomerase (GPI) and mannosephosphate isomerase (MPI) by precipitation with ammonium sulfate. The supernatant fraction corresponding to 40-60 % saturation showed the lowest content in GPI and MPI activity. ...

journal_title：Folia microbiologica

authors： Cabrera V,Pascual C,Herrera LS

更新日期：1981-01-01 00:00:00

abstract：:The effects of pH on denitrifying enzyme activity (DEA) and on the ratio of the denitrification products, N(2)O and N(2), were determined in three pasture soils differing in cattle impact. The linkage between intrinsic differences in the denitrifying communities and pH effects on relative N(2)O production was also ass...

journal_title：Folia microbiologica

authors： Cuhel J,Simek M

更新日期：2011-05-01 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

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：:A feeding study was performed to monitor the effect of chitosan intake on the fecal microbiota of ten healthy human subjects. Diversity of microflora was monitored during 8 weeks including 4 weeks of chitosan supplementations. Using denaturing gradient gel electrophoresis (DGGE) analysis of 16S rRNA gene amplicons and...

journal_title：Folia microbiologica

authors： Mrázek J,Koppová I,Kopecný J,Simůnek J,Fliegerová K

更新日期：2010-07-01 00:00:00

abstract：:In ostriches and pheasants, there is still limited information relating to staphylococci and their properties. Biogenic amines (BAs) are nitrogenous low-molecular-weight substances with biological functions in animals, plants and microorganisms. In this study, we focused on BA production by targeted faecal staphylococ...

journal_title：Folia microbiologica

authors： Lauková A,Kandričáková A,Pleva P,Buňková L,Ščerbová J

更新日期：2017-05-01 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 geographical distribution of Bacillus anthracis strains and isolates bearing some of the same genetic markers as the Amerithrax Ames isolate was examined and evaluated. At least one mechanism for the horizontal movement of genetic markers was shown amongst isolates and closely related species and the effect of suc...

journal_title：Folia microbiologica

authors： Kiel JL,Parker JE,Holwitt EA,McCreary RP,Andrews CJ,De Los Santos A,Wade M,Kalns J,Walker W

更新日期：2008-01-01 00:00:00

abstract：:The majority of antibiotics and substances with diverse biological activity used in medicine are produced by actinomycetes, nonfilamentous bacteria and fungi. Other microorganisms, such as myxobacteria, pseudomonads, nocardias, basidiomycetes, marine microorganisms, enterobacteria, halobacteria, hyperthermophiles etc....

journal_title：Folia microbiologica

authors： Bĕhal V

更新日期：2003-01-01 00:00:00

abstract：:An economic method for a rapid estimation of the number of copies of plasmid R6K delta 1 in E. coli cells using lysis of the cells directly on the agarose gel and electrophoretic separation of radioactively labelled plasmid and chromosomal DNA's is described. The method, particularly useful for screening purposes, per...

journal_title：Folia microbiologica

authors： Hochmannová J,Nesvera J

更新日期：1982-01-01 00:00:00