Distribution of pathogenicity island markers in commensal and uropathogenic Escherichia coli isolates.

abstract：:The antifungal effect of 2-alkylthio-6-amino- and 2-alkylthio-6-formamidobenzothiazoles (22 derivatives in all) on Aspergillus niger and various Candida yeasts was tested. No significant effect was observed with A. niger. With the pathogenic yeast species C. albicans and C. guilliermondii, the most efficient derivativ...

journal_title：Folia microbiologica

authors： Kuchta T,Bujdáková H,Sidóová E

更新日期：1989-01-01 00:00:00

abstract：:Cultivation media from 11 wood-rotting fungi contained alpha-mannosidase and mannanase activity, alpha-Mannosidase was studied in more detail in Phellinus abietis and mannanase was studied more intimately in basidiomycetes Phellinus abietis, Trametes sanguinea and Pholiota aurivella. Suitable cultivation conditions an...

journal_title：Folia microbiologica

authors： Zouchová Z,Kocourek J,Musílek V

更新日期：1977-01-01 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：:Cultures of 33 basidiomycete strains out of 35 tested were viable with unchanged characteristics after four years of maintenance on perlite in cryovials. These cultures can be a good substitute for agar cultures in long-term maintenance of fungi. For comparison, the storage under oil was evaluated but it turned out to...

journal_title：Folia microbiologica

authors： Homolka L,Lisá L

更新日期：2008-01-01 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：:Superoxide dismutases, both cytosolic Cu, Zn-SOD encoded by SOD1 and mitochondrial Mn-SOD encoded by SOD2, serve Saccharomyces cerevisiae cells for defense against the superoxide radical but the phenotypes of sod1A and sod2delta mutant strains are different. Compared with the parent strain and the sod1delta mutant, th...

journal_title：Folia microbiologica

authors： Dziadkowiec D,Krasowska A,Liebner A,Sigler K

更新日期：2007-01-01 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：: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：:Extrusion of metabolites (glycerol, lactic, malic, and succinic acid) during the medium acidification caused by resting baker's yeast supplied with 200 mM glucose was studied under aerobic and anaerobic conditions and in the absence and presence of 14 mM KCl. The maximum levels of glycerol and of the sum of acids (abo...

journal_title：Folia microbiologica

authors： Sigler K,Knotková A,Páca J,Wurst M

更新日期：1980-01-01 00:00:00

abstract：:Five trisubstituted quinazolones and eight trisubstituted quinazoline-4-thiones have been tested for antibacterial effects by a microdilution method. Four derivatives exerted a significant effect on E. coli, P. aeruginosa, S. aureus and B. subtilis (IC50 < 100 mg/L). In the bacterium P. aeruginosa six quinazolines sho...

journal_title：Folia microbiologica

authors： Jantová S,Greif G,Spirková K,Stankovský S,Oravcová M

更新日期：2000-01-01 00:00:00

abstract：:Bifidobacteria (246 strains in total) were isolated from rectal samples of infants and adult humans and animals, and from intestinal samples of calves. Twenty-five strains grew well on mucin: 20 from infants, two from adults, and three from goatlings. Poor or no growth on mucin was observed in 156 bifidobacterial stra...

journal_title：Folia microbiologica

authors： Killer J,Marounek M

更新日期：2011-03-01 00:00:00

abstract：:Asymptomatic uropathogenic Escherichia coli (UPECs) are the leading cause of asymptomatic bacteriuria (ABU) in humans. So this study aimed to identify and characterize ABU UPECs from hospitalized patients of Kolkata, India, with respect to their antibiogram profile, phylogeny, pathogenicity islands, and virulence fact...

journal_title：Folia microbiologica

authors： Ghosh A,Mukherjee M

更新日期：2019-07-01 00:00:00

abstract：:It is proposed that the transcription of the c-2 repressor gene initiates at two promoters, pre and prm, similarly to the transcription of the c-I gene of lambda phage. In the P22 phage, these promoters are defined by mutations of c54 and K5. ...

journal_title：Folia microbiologica

authors： Bezdĕk M,Soska J

更新日期：1975-01-01 00:00:00

abstract：:The effect of paraquat on the activities of antioxidant defense and detoxifying enzymes of the white-rot fungus Funalia trogii was determined. Paraquat increased the activities of glutathione reductase (GR), glutathione transferase (GT) and superoxide dismutase at 1 mmol/L, while at 0.1 mmol/L it did not affect the ac...

journal_title：Folia microbiologica

authors： Asma D,Yeşilada O

更新日期：2002-01-01 00:00:00

abstract：:Glutamate was converted to glutamine by Corynebacterium glutamicum permeabilized by ethanol (10%). ATP was supplied to the reaction by dried Saccharomyces cerevisiae or regenerated by acetyl kinase. High glutamine synthetase activity in C. glutamicum was induced by cultivation of the microorganism in media containing ...

journal_title：Folia microbiologica

authors： Behenský P,Stenzl V,Adámek F,Bĕhal V

更新日期：1999-01-01 00:00:00

abstract：:Data on the production of clostridial toxins in dialyzed cultures are summarized. Principal modifications of this cultivation technique suitable for both research and production are shown. If toxins are released from the cells by autolysis (neurotoxins of Clostridium tetani, C. botulinum; lethal factors of C. novyi an...

journal_title：Folia microbiologica

authors： Vraný B,Hnátková Z,Lettl A

更新日期：1988-01-01 00:00:00

abstract：:A proteus strain inhibited mycelial growth of Fusarium oxysporum in vitro. Seed bacterization showed significant plant growth promotion and Fusarium-wilt suppression activity of Phaseolus mungo in a gnotobiotic system. The culture filtrate of this strain exhibited three prominent bands in UV-VIS spectra between 300 an...

journal_title：Folia microbiologica

authors： Barthakur M

更新日期：2000-01-01 00:00:00

abstract：:Propionate at concentrations up to 0.05% decreased at 25 degrees C the growth and sporulation of Penicillium aurantiogriseum. The standard size of conidiogenous structures (metulae, phialids) and conidia was diminished. The effect was more pronounced at a higher temperature (30 degrees C). Inhibition of ochratoxin pro...

journal_title：Folia microbiologica

authors： Skrinjar M,Danev M,Dimić G

更新日期：1995-01-01 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：:This study was undertaken to develop a new Gram-staining machine controlled by a micro-controller and to investigate the quality of slides that were stained in the machine. The machine was designed and produced by the authors. It uses standard 220 V AC. Staining, washing, and drying periods are controlled by a timer b...

journal_title：Folia microbiologica

authors： Felek S,Arslan A

更新日期：1999-01-01 00:00:00

abstract：:Skin microbiome main cultivable aerobes in human are coagulase-negative staphylococci and lipophilic corynebacteria. Staphylococcus strains (155) belonging to 10 species and 105 strains of Corynebacterium belonging to nine species from the skin swabs of healthy male volunteers were investigated to determine their enzy...

journal_title：Folia microbiologica

authors： Kwaszewska A,Sobiś-Glinkowska M,Szewczyk EM

更新日期：2014-11-01 00:00:00

abstract：:In this report, Gluconobacter strains were screened for coenzyme Q10 (CoQ10) production. A thermotolerant strain, Gluconobacter japonicus FM10, was eventually employed for CoQ10 production optimization. To do so, a two-step optimization strategy was used. The first step focused on biomass increase and the second step ...

journal_title：Folia microbiologica

authors： Moghadami F,Fooladi J,Hosseini R

更新日期：2019-07-01 00:00:00

abstract：:Spatial distribution of ectomycorrhizae-associated basidiomycetes was determined in oakbirch forest using terminal restriction fragment length polymorphism (T-RFLP) analysis. The data were correlated with actual soil humidity, pH, electric conductivity of the soil extract, absorbance A(465) and A(665) of water and alk...

journal_title：Folia microbiologica

authors： Gryndler M,Soukupová L,Gryndlerová H,Baldrian P,Hršelová H

更新日期：2010-09-01 00:00:00

abstract：:Three indigenous plasmids designated pRK1, pRK2 and pRK3 were identified among producers of penicillin G acylase (PGA) derived from the strain Escherichia coli W ATCC 9637. Their size and copy number (CN) in E. coli W were determined (kb; CN): pRK1 (80; 3.4), pRK2 (5.1; 71), and pRK3 (4.8; 13.7). Strain E. coli RE2 ha...

journal_title：Folia microbiologica

authors： Sobotková L,Grafková J,Stĕpánek V,Vacík T,Maresová H,Kyslík P

更新日期：1999-01-01 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：:Regulatory mechanism of primary metabolism responsible for the biosynthesis of peptide ergot alkaloids was proposed on the basis of experimental results from the production phase of Claviceps purpurea (FR.) Tul. in parasitic and saprophytic cultures. The production-phase metabolism is characterized by uncoupling of gl...

journal_title：Folia microbiologica

authors： Kybal J,Svoboda E,Stranadová K,Kejzlar M

更新日期：1981-01-01 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：: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：:A total of 40 substances were tested for their inhibitory effect on the multiplication of a bacteriophage in a growing culture of Bacillus licheniformis and their influence on bacitracin production. Acriflavine was the only substance which, at a concentration of 3 microgram ml-1, completely suppressed phage multiplica...

journal_title：Folia microbiologica

authors： Lipavská H,Rytír V,Vanĕk Z,Steinerová N,Bĕlík E

更新日期：1978-01-01 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