Preparation and chemical modification of poly-gamma-L-glutamic acid.

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：: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：:When investigating the effect of aeration on the utilization of a lipid substrate from the cultivation broth and production of salinomycin in Streptomyces albus it was demonstrated that a higher aeration results in a better utilization of soya oil and a higher production of the antibiotic. ...

journal_title：Folia microbiologica

authors： Procházka P,Nohýnek M,Vanĕk Z,Rokos J

更新日期：1983-01-01 00:00:00

abstract：:Cord and newborn sera were found to possess a significantly decreased in vitro bactericidal activity to Escherichia coli as compared to sera of adult individuals. Hyperbilirubinaemia in neonates suffering from both Rh and ABO incompatibility results in a further significant impairment of the bactericidal activity of t...

journal_title：Folia microbiologica

authors： Miler I,Vondrácek J,Hromádková L

更新日期：1979-01-01 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 reserves of fossil-based fuels, which currently seem sufficient to meet the global demands, is inevitably on the verge of exhaustion. Contemporary raw material for alternate fuel like biodiesel is usually edible plant commodity oils, whose increasing public consumption rate raises the need of finding a non-edible ...

journal_title：Folia microbiologica

authors： Diwan B,Parkhey P,Gupta P

更新日期：2018-09-01 00:00:00

abstract：:The morphology, host range, structural proteins and serological properties of Streptococcus thermophilus phages isolated from Finnish cheese plants were investigated. The results show that all the nine phages belong morphologically to Ackermann's group B1. The host-phage reactions and plating efficiency justify the di...

journal_title：Folia microbiologica

authors： Kivi S,Peltomäki T,Luomala K,Sarimo SS

更新日期：1987-01-01 00:00:00

abstract：:Crude lipids isolated from Bacillus firmus, but not from other bacilli, were previously found to induce significant resistance against Listeria monocytogenes infection in mice. In this study, formaldehyde- and heat-killed bacterins of eight Bacillus species and some cellular fractions of B. firmus were prepared and te...

journal_title：Folia microbiologica

authors： Mára M,Ocenásková J,Nováková M,Julák J,Mencíková E

更新日期：1994-01-01 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：: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：:Over the years, quinones or its derivatives have been extensively studied due to their broad therapeutic spectrum. However, due to the significant structural differences between the individual naturally occurring quinones, investigation of the precise mechanism of their action is essential. In this context, we have an...

journal_title：Folia microbiologica

authors： Castro FAV,de Souza GFM,Pereira MD

更新日期：2020-02-01 00:00:00

abstract：:During cultivation in a minimal medium with glucose Alternaria tenuissima and Aspergillus vesicolor produce constitutively alpha- and beta-glucanases. Fractions of beta-1,3-glucanases exhibiting affinity for laminarin were separated by means of gel filtration chromatography. Two neutral beta-1,3-glucanases with affini...

journal_title：Folia microbiologica

authors： Jirků V,Kraxnerová B,Krumphanzl V

更新日期：1980-01-01 00:00:00

abstract：:Single chain Fv (scFv) antibodies (generated by phage display technology, molecules representing new and efficient tools in the research and diagnostics of infectious diseases) against the capsid protein (p25) of Maedi-Visna virus were selected. Several clones of p25 specific scFv antibodies were identified; one of th...

journal_title：Folia microbiologica

authors： Celer V,Blazek D,Navrátilová I,Skládal P,Blacklaws B,Bujdoso R

更新日期：2003-01-01 00:00:00

abstract：:Beauveria bassiana is widely studied as an alternative to chemical acaricides in controlling the cattle tick Rhipicephalus microplus. Although its biocontrol efficiency has been proved in laboratory and field scales, there is a need to a better understanding of host interaction process at molecular level related to bi...

journal_title：Folia microbiologica

authors： Santi L,Coutinho-Rodrigues CJB,Berger M,Klein LAS,De Souza EM,Rosa RL,Guimarães JA,Yates JR 3rd,Perinotto WMS,Bittencourt VREP,Beys-da-Silva WO

更新日期：2019-05-01 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：:Frequency of heterocytes and nitrogenase activity (NA) under light and dark cultivation conditions was determined in 12 cyanobacterial strains isolated from various soil habitats. In spite of a high variability, significant differences in NA among the strains were found in response of light and dark cultivation. Relat...

journal_title：Folia microbiologica

authors： Hrouzek P,Lukesová A,Simek M

更新日期：2004-01-01 00:00:00

abstract：:Differences in the effect of volatile and gaseous metabolites of germinating pea seeds on the germination of spores of Mucor racemosus and macroconidia of Fusarium oxysporum are described. Germination of spores of M. racemosus was inhibited by seed metabolites whereas germination of macroconidia of F. oxysporum was st...

journal_title：Folia microbiologica

authors： Catská V

更新日期：1980-01-01 00:00:00

abstract：:The induction of tryptophanase was not affected by rifampicin in the rifampicin-resistant mutant of Vibrio el tor while the antibiotic inhibited the induction of tryptophanase in the normal strain at level of ribonucleic acid and protein synthesis. ...

journal_title：Folia microbiologica

authors： Sinha AM,Ghosh S,Chatterjee GC

更新日期：1977-01-01 00:00:00

abstract：:Among 18 tested strains of Claviceps spp., 7 produced significant amounts of exocellular polysaccharide (EPS). The maximum production of EPS was found in fermentation broth of Claviceps viridis. The kinetics of growth, substrate consumption, and EPS production in the batch, aerobic, submerged culture of this fungus we...

journal_title：Folia microbiologica

authors： Flieger M,Kantorová M,Benesová T,Pazoutová S,Votruba J

更新日期：2003-01-01 00:00:00

abstract：:Addition of glucose to a resting cell suspension of the yeast Saccharomyces cerevisiae was accompanied by marked shifts of the G alpha-protein subunits from the plasma membrane to the cell interior. This process was rapid with half-times between < 10 and 20 s. The decrease of the plasma membrane pool of the Gi alpha/G...

journal_title：Folia microbiologica

authors： Kotyk A,Ihnatovych I,Lapathitis G,Lamash N,Svoboda P

更新日期：2001-01-01 00:00:00

abstract：:A total of 368 rotavirus RNA-positive (PAGE) stool samples collected continually during 1992-95 from infants and young children under five years of age hospitalized with acute gastroenteritis were serotyped using an enzyme immunoassay with VP7-specific monoclonal antibodies (ELISA with MAbs) for serotypes G1-G4. The s...

journal_title：Folia microbiologica

authors： Tietzová J,Petrovicová A

更新日期：2000-01-01 00:00:00

abstract：:Mice (strains Balb/c and A/J) received an intravenous infusion of bilirubin for a 1 d period. The infusion was delivered at various phases of the primary reaction; the degree of the immune response was expressed as the number of antibody-forming cells against sheep erythrocytes. Bilirubin infusion during both the indu...

journal_title：Folia microbiologica

authors： Síma P,Malá J,Miler I,Hodr R,Truxová E

更新日期：1980-01-01 00:00:00

abstract：:The characterization of 11- and 18-residue peptaibols (peptides synthesized by peptide synthetases) at Trichoderma harzianum CECT 2413 (a filamentous fungus) was performed. Using a heterologous probe from tex1, the only peptaibol synthetase cloned and characterized so far in Trichoderma species, was cloned; a region t...

journal_title：Folia microbiologica

authors： Vizcaíno JA,Cardoza RE,Dubost L,Bodo B,Gutiérrez S,Monte E

更新日期：2006-01-01 00:00:00

abstract：:Three methods were used for the isolation of fungi in the present investigation: the dilution-plate method, hair-baiting technique with horse hairs and the "exposed plate" method. Sabouraud's glucose agar at 28 degrees C was also used as isolation medium. 102 species and 2 species varieties belonging to 36 genera were...

journal_title：Folia microbiologica

authors： Moubasher AH,Abdel-Hafez SI,Shoreit AA,Ismail MA

更新日期：1990-01-01 00:00:00

abstract：:When studying the kinetics of DNA synthesis, growth and cell division in Escherichia coli B/r after irradiation with different doses of UV-radiation (254 nm) we could demonstrate, by means of pulse incorporation of 3H-thymidine, a lag in DNA synthesis after the irradiation. The relative rate of the restored DNA synthe...

journal_title：Folia microbiologica

authors： Kucerová H,Vĕchet B

更新日期：1982-01-01 00:00:00

abstract：:Naturally occurring plant phenolics, p-coumaric acid (PA), caffeic acid (CA), ferulic acid (FA) and gentisic acid (GA) (25-100 nmol/L) had protective effects on acridine orange (AO; 216 mumol/L)- and ofloxacin (3 mumol/L)-induced genotoxicity in Salmonella typhimurium. FA, GA and CA exhibited a significant concentrati...

journal_title：Folia microbiologica

authors： Belicová A,Krizková L,Nagy M,Krajcovic J,Ebringer L

更新日期：2001-01-01 00:00:00

abstract：:Vibrio el tor cells contain a constitutive reductase enzyme which converts nitrofurantoin to an active principle that is responsible for the observed antibacterial activity of the drug. Acquisition of resistance of this strain towards nitrofurantoin is associated with the loss of this reductase. This enzyme is located...

journal_title：Folia microbiologica

authors： Ghosh Dastidar P,Sinha AM,Ghosh S,Chatterjee GC

更新日期：1979-01-01 00:00:00

abstract：:The aim of the study was to compare the phenotype of lymphocyte subpopulations of the GALT (gut-associated lymphatic tissue) in germfree (GF) and conventionally (CV) reared rats, i.e. to analyze the effect of microbial colonization on the development of intestinal lymphocyte subsets. Surface marker characteristics wer...

journal_title：Folia microbiologica

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

更新日期：1998-01-01 00:00:00

abstract：:A gram-negative bacterium GXGL-4A was originally isolated from maize roots. It displayed nitrogen-fixing (NF) ability under nitrogen-free culture condition, and had a significant promotion effect on cucumber growth in the pot inoculation test. The preliminary physiological and biochemical traits of GXGL-4A were charac...

journal_title：Folia microbiologica

authors： Sun S,Chen Y,Cheng J,Li Q,Zhang Z,Lan Z

更新日期：2018-11-01 00:00:00

abstract：:In the original publication, the number of the NCTC strain used was published incorrectly. The authors apologize for the error. The error has no effect on the validity of the results and is corrected for accuracy. ...

journal_title：Folia microbiologica

authors： Sugita H,Kitao S,Narisawa S,Minamishima R,Itoi S

更新日期：2018-01-01 00:00:00