Sterol composition of nystatin-resistant Candida maltosa mutants.

abstract：:Verotoxin-producing Escherichia coli (VTEC) are nowadays among the most important emerging group of food-borne pathogens (VTEC strains cause gastroenteritis that can be complicated by the hemorrhagic colitis or hemolytic uremic syndrome, HUS). Escherichia coli 026 producing verotoxin 2 was isolated and its identity co...

journal_title：Folia microbiologica

authors： Liptáková A,Siegfried L,Kmetová M,Birosová E,Kotulová D,Bencátová A,Kosecká M,Bánovcin P

更新日期：2005-01-01 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：:Overpopulation of domestic pigeons is considered to be one of the major problems of urban centers, as these birds are responsible for the dissemination of relevant pathogens to animal and human health. The aim of this study was to detect potentially pathogenic Escherichia coli and Salmonella spp. in domestic pigeons c...

journal_title：Folia microbiologica

authors： Carvalho D,Kunert-Filho HC,Simoni C,de Moraes LB,Furian TQ,Borges KA,Breunig JG,Medeiros LP,Kobayashi RKT,de Brito KCT,de Brito BG

更新日期：2020-08-01 00:00:00

abstract：:An experimental model in white mice, infected with a mildly virulent strain of Klebsiella pneumoniae, was elaborated for studies on local immunity of the respiratory tract. Instillation of klebsiella into the supralaryngeal space of anaesthetised animals proved to be more suitable than the commonly used method of intr...

journal_title：Folia microbiologica

authors： Libich J,Franĕk J,Hásková V

更新日期：1983-01-01 00:00:00

abstract：:Lengths of permuted regions in the P22 and L phage genomes were estimated from the relative yields of DNA in many electrophoretic bands obtained using several restriction endonucleases. It was found that 3.6 kb (8.7%) of P22-DNA and 7.2 kb (17.8%) of L-DNA were circularly permuted. In both phages the sequential packag...

journal_title：Folia microbiologica

authors： Spanová A

更新日期：1992-01-01 00:00:00

abstract：:A wild-type strain of Candida albicans (S1, ATCC 10261) was used to obtain stable auxotrophic colony morphological mutants (mutant M5 producing only true hyphae and mutant M2 containing 90 % blastospores and 10 % pseudohyphae) by induced mutagenesis. A hybrid was produced by somatic hybridization between these 2 mutan...

journal_title：Folia microbiologica

authors： Novák A,Vágvölgyi C,Emody L,Pesti M

更新日期：2004-01-01 00:00:00

abstract：:The addition of a nitrogen (nitrate) and carbon sources (acetate, citrate and fructose) and phosphate deficiency (nitrate medium deficient in phosphate) under unaerated conditions induced akinete differentiation in Anabaena torulosa. Aerated cultures of this organism in these nutrients did not differentiate akinetes. ...

journal_title：Folia microbiologica

authors： Sarma TA,Ahuja G,Khattar JI

更新日期：2000-01-01 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：:One-week dextran sulfate treatment of conventional (CV) immunodeficient (SCID) mice gave rise to acute colitis in the colon mucosa; germ-free (GF) SCID mice did not exhibit any changes in colon morphology. Dextran sulfate application to CV immunocompetent (BALB/c) mice did induce substantial changes in the colon mucos...

journal_title：Folia microbiologica

authors： Hudcovic T,Stĕpánková R,Cebra J,Tlaskalová-Hogenová H

更新日期：2001-01-01 00:00:00

abstract：:This work was aimed to develop a multiplex PCR assay to detect infectious agents such as Clavibacter michiganensis subsp. michiganensis, Fusarium sp, Leveillula taurica, and begomoviruses in tomato (Solanum lycopersicum) plants. Specific primer sets of each pathogen were designed based on intergenic ribosomal RNA sequ...

journal_title：Folia microbiologica

authors： Quintero-Vásquez GA,Bazán-Tejeda ML,Martínez-Peñafiel E,Kameyama-Kawabe L,Bermúdez-Cruz RM

更新日期：2013-07-01 00:00:00

abstract：:The biological activity and the presence of genes sfp and ituD (surfactin and iturin A) among Bacillus strains isolated from the Amazon basin were determined. Bacillus spp. were tested for hemolytic activity and inhibition of fungal growth by agar plate assays in parallel with PCR for identification of sfp and ituD ge...

journal_title：Folia microbiologica

authors： Velho RV,Medina LF,Segalin J,Brandelli A

更新日期：2011-07-01 00:00:00

abstract：:Streptococcus dysgalactiae subsp. equisimilis (SDSE), belonging to the group C and G streptococci, are human pathogens reported to cause clinical manifestations similar to infections caused by Streptococcus pyogenes. To scrutinize the distribution of gene coding for S. pyogenes virulence factors in SDSE, 255 isolates ...

journal_title：Folia microbiologica

authors： Babbar A,Itzek A,Pieper DH,Nitsche-Schmitz DP

更新日期：2018-09-01 00:00:00

abstract：:The cellular immune response (MIF, E-rosette formation and changes in nucleolar morphology of lymphocytes) was followed as related to age and antigenic stimulation. MIF in healthy infants increased from the 2nd to the 12th week of life as compared with the first week, probably due to BCG vaccination. The total and act...

journal_title：Folia microbiologica

authors： Lodinová R,Haníková M,Jouja V

更新日期：1980-01-01 00:00:00

abstract：:Using both monoclonal and polyclonal antibodies against mammalian plectin (multifunctional protein cross-linking cytoskeletal structures, mainly intermediate filaments, in mammalian cells), several putative isoforms of plectin-like proteins were found in protein extracts from the green alga Chlamydomonas eugametos (Vo...

journal_title：Folia microbiologica

authors： Hendrychová J,Vítová M,Bisová K,Wiche G,Zachleder V

更新日期：2002-01-01 00:00:00

abstract：:Altered cell signaling is the molecular basis for cell proliferation occurring in association with several gamma herpesvirus infections. Three gamma herpesviruses, namely EBV/HHV-4, KSHV/HHV-8 and the MHV-68 (and/or MHV-72) and their unusual cell-pirated gene products are discussed in this respect. The EBV, KSHV as we...

journal_title：Folia microbiologica

authors： Rajcáni J,Kúdelová M

更新日期：2003-01-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) viral protein R (Vpr) exerts multiple effects on viral and host cellular activities during infection, including induction of the cell cycle G2 arrest, and cell death in both human cells and the fission yeast Schizosaccharomyces pombe. We show that treament of exponential-pha...

journal_title：Folia microbiologica

authors： Antal J,Pesti M

更新日期：2006-01-01 00:00:00

abstract：:The effect of immersion time and cell concentration in the attachment of several lactic acid bacteria with antibacterial activity to beef-muscle surface was studied. The number of firmly attached bacteria increased with immersion time in the case of Pediococcus acidilacti, Lactobacillus sake, Lactococcus cremoris (two...

journal_title：Folia microbiologica

authors： Benito Y,Pin C,Fernández MF,Marín ML,Selgas MD,García ML,Casas C

更新日期：1996-01-01 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

abstract：:The plasmid R1drd-19 Km- and its derivative pON5300 were split by the PstI restriction enzyme; they differed in a 2.4 Mg/mol fragment which was present only in the pON5300. Both plasmids were present in 1-2 copies per chromosomal equivalent in E. coli JC5455 cells. The pON5300 is stable in its original mutagenized hos...

journal_title：Folia microbiologica

authors： Navrátil O,Benada O,Braná H,Hubácek J

更新日期：1983-01-01 00:00:00

abstract：:A naturally deficient thiamine and methionine requiring strain of Bacillus coagulans (Ms 5) accumulates lysine in medium only when exogenous pyridoxine (optimal concentration, 0.1 mu g/ml) are supplied. Threonine exerts an inhibitory effect at higher concentrations but pyridoxine does not. ...

journal_title：Folia microbiologica

authors： Chatterjee S,Banerjee AK

更新日期：1975-01-01 00:00:00

abstract：:The potentiality of twenty-five fungal species belonging to 14 genera isolated from Egyptian soils to produce mevinolin, a hypocholesterolemic agent, when grown on selected substrates was tested. For the first screening samples of culture filtrates were tested by TLC and the positive results were further estimated by ...

journal_title：Folia microbiologica

authors： Shindia AA

更新日期：1997-01-01 00:00:00

abstract：:Genetic mapping of the chromosome of the bacteriophage PS8 of Agrobacterium tumefaciens using temperature sensitive (ts) mutants of the bacteriophage is described. ...

journal_title：Folia microbiologica

authors： Kubícková D,Karpfel Z,Bezdĕk M

更新日期：1979-01-01 00:00:00

abstract：:The sorption ability of Candida utilis biomass for cadmium ions with accumulating competence of dried cells and cells in alginate was compared. After an optimization of process conditions (pH 5.5, biomass concentration 1 g/L and c0 50 mg/L), the cadmium sorption capacity of dried yeast biomass was perceptibly higher t...

journal_title：Folia microbiologica

authors： Kujan P,Prell A,Safár H,Sobotka M,Rezanka T,Holler P

更新日期：2006-01-01 00:00:00

abstract：:Changes in leukocyte counts and in the gut microflora of laboratory rats irradiated with single whole-body dose of gamma rays (5.0 Gy) were determined. The number of leukocytes was lower especially 1 and 2 weeks after irradiation. A significant decrease in lymphocytes was observed 1 week and in monocytes 1 and 2 weeks...

journal_title：Folia microbiologica

authors： Benová K,Falis M,Toropila M,Sehnalková H,Pastvová L

更新日期：2002-01-01 00:00:00

abstract：:Two Bacillus cereus feather-degrading strains (23/1 and 6/2) were transformed using a recombinant plasmid p5.2 carrying the alkaline proteinase gene (aprE). A high level of the aprE gene expression was observed when the recombinant strains were grown on sporulation medium. The expression of the aprE gene proceeded dur...

journal_title：Folia microbiologica

authors： Ouled-Haddar H,Zaghloul TI,Saeed HM

更新日期：2010-01-01 00:00:00

abstract：:Ten thermophilic Gram-positive bacteria were isolated from various soils of Saudi Arabia. The strains are spore-forming rods belonging to the species Bacillus stearothermophilus. The cells are motile, strictly aerobic, catalase and oxidase positive. The sporangia appear to be swollen and their position varies from ter...

journal_title：Folia microbiologica

authors： Abu-Zinada AH,Hossain A,Yonis HI,Elwan SH

更新日期：1981-01-01 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：:Virus-like particles (VLPs) were isolated from the yeast Wickerhamia fluorescens strain CCY61-1-1. The VLPs are approximately 42 nm in diameter and contain only one species of dsRNA molecule. The apparent length of the dsRNA determined by native agarose gel electrophoresis was 4.6 kbp. Analysis of protein content of t...

journal_title：Folia microbiologica

authors： Pospísek M,Palková Z,Korb J,Vanĕk D

更新日期：1996-01-01 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：:Biotechnological conversion of low-cost agro-industrial by-products, such as industrial waste or terpenes from the distillation of essential oils from plants into more valuable oxygenated derivatives, can be achieved by using microbial cells or enzymes. In Argentina, the essential oil industry produces several tons of...

journal_title：Folia microbiologica

authors： Omarini A,Dambolena JS,Lucini E,Jaramillo Mejía S,Albertó E,Zygadlo JA

更新日期：2016-03-01 00:00:00