Antimicrobial activity of a series of thiosemicarbazones and their Zn(II) and Pd(II) complexes.

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：:Strains of genus Citrobacter (152 isolates from 1950 to 1988 deposited in the Czech National Collection of Type Cultures, Prague) were re-classified using biological and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) methods. One-hundred thirty-six strains (ca. 90 %) were i...

journal_title：Folia microbiologica

authors： Kolínská R,Spanělová P,Dřevínek M,Hrabák J,Zemličková H

更新日期：2015-01-01 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：: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：:Using mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine, a number of homoserine auxotrophs have been isolated from a glutamate-producing Arthrobacter globiformis excreting L-lysine in good amounts. For further improvement, mutants resistant to the lysine analog S-(2-aminoethyl)-L-cysteine have been isolated from h...

journal_title：Folia microbiologica

authors： Samanta TK,Bhattacharyya R

更新日期：1991-01-01 00:00:00

abstract：:Fibrobacter succinogenes is a major cellulolytic species in the rumen. On the basis of molecular data, this species can be classified into four phylogenetic groups. Recently gathered ecological and physiological data have revealed the importance of this species, particularly phylogenetic group 1, in rumen fiber digest...

journal_title：Folia microbiologica

authors： Kobayashi Y,Shinkai T,Koike S

更新日期：2008-01-01 00:00:00

abstract：:Cryptosporidiosis belongs to the important parasitic infections with zoonotic potential and the occurrence in European countries is rare. The first cases of cryptosporidiosis caused by Cryptosporidium hominis detected in the Slovak republic were described here. Collection of examined humans consisted of five family me...

journal_title：Folia microbiologica

authors： Ondriska F,Vrabcová I,Brinďáková S,Kváč M,Ditrich O,Boldiš V,Bastlová M

更新日期：2013-01-01 00:00:00

abstract：:Escherichia coli strain HB101 harboring an expression plasmid bearing calf prochymosin gene under the control of the tac promoter was grown in the presence of IPTG with or without novobiocin at 28 and 40 degrees C, respectively. The differential rates of synthesis of prochymosin inclusions, and, for comparison, of bet...

journal_title：Folia microbiologica

authors： Kaprálek F,Tichý PJ,Fábry M,Sedlácek J

更新日期：1998-01-01 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：:The kinetics of extracellular neutral proteinase synthesis by an isogenic stringent (IS58) and a relaxed (IS56) strain of B. subtilis were compared. The specific enzyme formation rate by the stringent strain was higher than that of the relaxed one. Norvaline addition (1 mg/mL) induced the formation of pppGpp and ppGpp...

journal_title：Folia microbiologica

authors： Riedel K,Schroeter A,Liebs P,Graba JP,Hecker M,Schrapel D

更新日期：1987-01-01 00:00:00

abstract：:A quarantine organism, "Candidatus Phytoplasma mali," is the causal agent of apple proliferation, one of the most important apple diseases in Europe. The genetic diversity of this pathogen in Central and Southern Europe has already been reported; however, almost no data exists from Eastern Europe. In this study, "Ca. ...

journal_title：Folia microbiologica

authors： Fránová J,Koloniuk I,Lenz O,Sakalieva D

更新日期：2019-05-01 00:00:00

abstract：:A collection of 34 lactococcal strains were characterized using the polymerase chain reaction (PCR) for the acmA gene, and for the 16S rDNA gene, and DNA fingerprinting methods for randomly amplified polymorphic DNA (RAPD) and repetitive extragenic palindrome-PCR (rep-PCR). PCR experiments corroborated the genotypic i...

journal_title：Folia microbiologica

authors： Prodelalová J,Spanová A,Rittich B

更新日期：2005-01-01 00:00:00

abstract：:The green alga Scenedesmus intermedius was grown in synchronous culture under manganese or calcium deficiency for six successive generations. The growth rate, pigment and protein contents gradually decreased in comparison with the control. In Mn-deficient cells, the rate of oxygen evolution was sharply decreased. This...

journal_title：Folia microbiologica

authors： Adam MS,Issa AA

更新日期：2000-01-01 00:00:00

abstract：:The postantibiotic effect (PAE) and the postantibiotic sub-MIC effect (PASME) of ciprofloxacin, pefloxacin and amikacin were studied for Salmonella typhimurium and S. enteritidis strains. PAE was induced by 2 x and 4 x MIC of antibiotics studied for 0.5 h. After PAE and PASME their effect on prophage induction of a ly...

journal_title：Folia microbiologica

authors： Majtán V,Majtánová L

更新日期：1997-01-01 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：: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：:Pullulanase of Klebsiella oxytoca is one of a wide variety of extracellular proteins that are secreted by Gram-negative bacteria by the complex main terminal branch (MTB) of the general secretory pathway. The roles of some of the 14 components of the MTB are now becoming clear. In this review it is proposed that most ...

journal_title：Folia microbiologica

authors： Pugsley AP,Francetic O,Hardie K,Possot OM,Sauvonnet N,Seydel A

更新日期：1997-01-01 00:00:00

abstract：:Inactivation of seven strains derived from Escherichia coli B differing in their capacity to repair damage to their DNA (exc, pol, rec) after irradiation with far (254 nm) and middle and near (300 to 380 and 320--400 nm) UV light was investigated. The same bacterial strains were also used as hosts for the UV-irradiate...

journal_title：Folia microbiologica

authors： Janovská E,Samoilova KA,Vízdalová M

更新日期：1980-01-01 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：:NaN3 was found to inhibit transformation but not the irreversible binding of donor 3H-DNA in competent cells of the original low-transformable strain Bacillus subtilis 168 trp2. Addition of NaN3 to cells of two mutants Bacillus subtilis HT39 and HT46 with an increased transformability decreased substantially the irrev...

journal_title：Folia microbiologica

authors： Tichý P,Jandová Z

更新日期：1977-01-01 00:00:00

abstract：:The chloramphenicol resistance gene from pSa was introduced into T-DNA of pTi T37 of Agrobacterium tumefaciens by cointegration with intermediary plasmid based on pBR322. The resulting intermediary vector was mobilized to A. tumefaciens T37 by conjugative plasmid pRK2. The RK2 plasmid also forms contegrates with pTi d...

journal_title：Folia microbiologica

authors： Vlasák J,Hrouda M,Bísková R,Ondrej M

更新日期：1986-01-01 00:00:00

abstract：:Inhibition of methanogenesis in ruminal cultures was attempted by hindering thiamine availability through its degradation by 'polyphenols' and competition for active sites on enzymes and transporters using thiamine structural analogs. Effects on fermentation were small and not consistently reversed by adding thiamine....

journal_title：Folia microbiologica

authors： Ungerfeld EM,Rust SR,Burnett R

更新日期：2009-11-01 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：:Two classes of newly synthesized amphiphilic compounds, phenolic antioxidants ("phenolics") and N-oxides exert in vivo antioxidant effects on live S. cerevisiae cells. Both groups have low toxicity, phenolics being more toxic than N-oxides and compounds with a longer alkyl chain having higher toxicity than those with ...

journal_title：Folia microbiologica

authors： Krasowska A,Sigler K

更新日期：2007-01-01 00:00:00

abstract：:Stabilized sewage sludge is applied to agricultural fields and farmland due to its high organic matter content. The aim of this study was to investigate the effects of two types of sludge stabilization, mesophilic anaerobic digestion (MAD) and thermophilic anaerobic digestion (TAD), on bacterial communities in sludge,...

journal_title：Folia microbiologica

authors： Stiborova H,Wolfram J,Demnerova K,Macek T,Uhlik O

更新日期：2015-11-01 00:00:00

abstract：:Submerged cultures of the low-production strain of Tolypocladium inflatum DSM 63544 formed a mixture of cyclosporins (CS) consisting of CS-A, CS-B, "CS-3" and "CS-4". Glucose, sucrose and maltose were highly favored for biomass production but provided a different physiological state necessary for CS biosynthesis. Not ...

journal_title：Folia microbiologica

authors： Zhao DX,Beran M,Kozová J,Rehácek Z

更新日期：1991-01-01 00:00:00

abstract：:A phosphate solubilizing fungus, Aspergillus awamori S29 was isolated from rhizoshpere of mungbean. The phosphate solubilizing activity of A. awamori S29 in liquid was 1,110 mg/L for tricalcium phosphate (TCP). The organism was able to solubilize various inorganic forms of phosphate at a wide range of temperatures. Am...

journal_title：Folia microbiologica

authors： Jain R,Saxena J,Sharma V

更新日期：2012-11-01 00:00:00

abstract：:The autofluorescence (primary fluorescence, AF) of agar cultures of the brown-rot fungus Piptoporus betulinus was investigated in Zeiss Jenalumar and Nikon Eclipse 8201 fluorescence microscopes at various excitations. The strongest AF of hyphae was found in minimal medium with glucose, where the hyphae exhibited green...

journal_title：Folia microbiologica

authors： Zižka Z,Vêtrovský T,Gabriel J

更新日期：2010-11-01 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：:The prevalence of extended-spectrum beta-lactamases (ESBL) was determined among isolates of Escherichia coli (n = 63) isolated from hospitalized (43) and healthy (20) children. Ten isolates (21%) were ESBL-positive for two screening tests, the double disk-synergy test and the Oxoid Combination Disk method. One ESBL-po...

journal_title：Folia microbiologica

authors： Franiczek R,Sobieszczańska B,Grabowski M,Mowszet K,Pytrus T

更新日期：2003-01-01 00:00:00