Effects of oxidative stress on the production of carotenoid pigments byPhaffia rhodozyma (Xanthophyllomyces dendrorhous).

abstract：:Aeromonads represent bacteria thought to be primarily mostly autochthonous to aquatic environments. This study was focused on the relation with antibiotics and enterocins of identified Aeromonas species isolated from the intestine of trouts living in Slovakian aquatic sources. Intestinal samples from 50 trouts (3 Salm...

journal_title：Folia microbiologica

authors： Lauková A,Kubašová I,Kandričáková A,Strompfová V,Žitňan R,Simonová MP

更新日期：2018-11-01 00:00:00

abstract：:The temperature dependence of fluorescence anisotropy, lifetime and differential tangent of 1,6-diphenyl-1,3,5-hexatriene (DPH) and its polar trimethylammonium derivative (TMA-DPH) were investigated in cytoplasmic membranes of Bacillus subtilis. The fluorescence parameters were compared in the two types of membranes p...

journal_title：Folia microbiologica

authors： Konopásek I,Svobodová J,Toptygin DD,Svoboda P

更新日期：1990-01-01 00:00:00

abstract：:In the present study, the cDNA sequences of Hsp70 and Hsp90 genes of Isaria farinosa (designated IFHSP70 and IFHSP90) were cloned and characterized using multiple techniques of molecular biology and bioinformatics. The genetic differentiation of the two genes was investigated among 10 geographically separated populati...

journal_title：Folia microbiologica

authors： He L,Yu H,Dai Y,Wang Y

更新日期：2019-07-01 00:00:00

abstract：:Virulence factors were compared in 15 Aeromonas spp. isolated from faeces of patients with Aeromonas-associated gastroenteritis and in 81 strains isolated from food. Strains from food did not show differences in the distribution of virulence factors when compared with strains isolated from faeces. However, 88.8% of Ae...

journal_title：Folia microbiologica

authors： Pin C,Marín ML,Selgas MD,García ML,Tormo J,Casas C

更新日期：1994-01-01 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：:The plasma membrane and mitochondria of bottom fermenting brewer's yeast obtained as a by-product of industrial beer production were isolated and the lipid fraction was analyzed. The phospholipid content accounted for 78 mg/g protein in the plasma membrane and 59 mg/g protein in the mitochondria. Major phospholipids i...

journal_title：Folia microbiologica

authors： Blagović B,Rupcić J,Mesarić M,Marić V

更新日期：2005-01-01 00:00:00

abstract：:Raoultella spp. representatives are Gram-negative capsulated, nonmotile rods. These bacteria are found in the natural environment: plants, water, soil and insects. R. ornithinolytica is one of the three species of Raoultella. R. ornithinolytica is the only species within the genus which has the ability to produce orni...

journal_title：Folia microbiologica

authors： Sękowska A,Dylewska K,Gospodarek E,Bogiel T

更新日期：2015-11-01 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：:Ovine and caprine scrapie occupies a unique place among animal transmissive spongiform encephalopathies (TSE). It is an object of intensive biomedicinal, ecological and economical studies. Its causative agents are demonstrably associated with the development of TSE in farmed minks, goats and moufflons. Ovine strains o...

journal_title：Folia microbiologica

authors： Novák M,Vrtiak OJ,Mikula I,Tkáciková L

更新日期：2000-01-01 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 properties of the 37400 oncogenic strain of Agrobacterium tumefaciens are described. This strain was derived from the VI lysogenic strain originally isolated by Hamilton from a Zinnia elegans tumour. Strain 37400 has a number of properties which render it suitable for quantitative and genetic studies. It is cured ...

journal_title：Folia microbiologica

authors： Bezdĕk M,Reich J,Tkadlecek L

更新日期：1976-01-01 00:00:00

abstract：:Brefeldin A has been recently characterized to act as an inhibitor of intracellular protein export with profound effects on the structure and function of the Golgi apparatus in animal cells. Manifold activities of the antibiotic (under different names) published in the 1960's and 1970's are reviewed: effects on fungal...

journal_title：Folia microbiologica

authors： Betina V

更新日期：1992-01-01 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：: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：:We present the results of analysis of membrane phosphoproteomes from individual morphological stages of Streptomyces coelicolor that reflect developmentally dependent heterogeneity and phosphorylation of intrinsic and externally added purified Strepomyces aureofaciens EF-Tu. Fast growing nonpathogenic Mycobacterium sm...

journal_title：Folia microbiologica

authors： Holub M,Bezousková S,Petrácková D,Kalachová L,Kofronová O,Benada O,Weiser J

更新日期：2010-05-01 00:00:00

abstract：:As a part of a program to develop starter cultures aiding in the spoilage control and sanitation of African fermented foods, a cereal-based food ('ogi' and its solid form 'agidi' or 'eko') was prepared using a bacteriocin-producing Lactobacillus strain as the starter culture. The survival of an enterotoxigenic Escheri...

journal_title：Folia microbiologica

authors： Olasupo NA,Olukoya DK,Odunfa SA

更新日期：1997-01-01 00:00:00

abstract：:Glycerol-based medium (BM) with and without the addition of 1 g/L ascorbic acid (Asc) and/or 100 mg/L (+/-)-catechin (Cat) was tested for the storage of three commercial wine yeasts at -20 degrees C. The medium supplemented with Asc was also used to store 706 strains to verify the maintenance of the liquid state. A de...

journal_title：Folia microbiologica

authors： Sidari R,Caridi A

更新日期：2009-01-01 00:00:00

abstract：:Cardiolipin synthesis was studied during the aerobic synchronous growth of aerobically grown yeast Saccharomyces cerevisiae. The time course of the synthesis was stepwise and the rise in cardiolipin level in cells coincided in time with the increase in cytochrome oxidase activity. This finding supports the notion of d...

journal_title：Folia microbiologica

authors： Greksák M,Nejedlý K,Zborowski J

更新日期：1977-01-01 00:00:00

abstract：:Sixty four biopsy specimens of oral Candida leukoplakias were examined. Histological sections were stained with periodic acid-Schiff (PAS) reagent and by Grocott's silver method. C. albicans isolates were cultivated from all the patients but fungal hyphae were proved histologically only in 23 of them. PAS-positive and...

journal_title：Folia microbiologica

authors： Dorko E,Zibrín M,Jenca A,Pilipcinec E,Danko J,Tkáciková L

更新日期：2001-01-01 00:00:00

abstract：:Patients suffering from periodontitis or periodontosis were selected for the study. Further subdivision of these groups was based on the presence or absence of herpes and/or adenoviruses in their oral lymphocytes and epithelial cells. The phagocytic and bactericidal activities of oral leukocytes isolated from the same...

journal_title：Folia microbiologica

authors： Ongrádi J,Sallay K,Kulcsár G

更新日期：1987-01-01 00:00:00

abstract：:The root nodules of Phaseolus mungo (a herbaceous leguminous pulse) contained a high amount of 3-indolylacetic acid (IAA). A tryptophan pool present in the nodule might play the role of precursor for IAA production. From the root nodule a Rhizobium sp. was isolated. The symbiont produced a large amount of IAA (142 mic...

journal_title：Folia microbiologica

authors： Ghosh S,Sengupta C,Maiti TK,Basu PS

更新日期：2008-01-01 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：: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：: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：:Activity of purified alanylaminopeptidase of Pseudomonas sp. measured in the presence of the alanine derivative of 2-naphthoic acid (NA-Ala) is inhibited by 1,10-phenanthroline, EDTA, bestatin and amastatin; this finding supports the conclusion that this enzyme is a metallo-aminopeptidase. A decrease of its activity i...

journal_title：Folia microbiologica

authors： Jankiewicz U,Bielawski W

更新日期：2002-01-01 00:00:00

abstract：:Due to the nature of Vibrio vulnificus infections (i.e., gastroenteritis and septicemia), only very few studies of a biofilm-associated form in this pathogen's life cycle have been conducted. We proposed that biofilm production by clinical strains of V. vulnificus would be higher than by environmental strains. Biofilm...

journal_title：Folia microbiologica

authors： Çam S,Brinkmeyer R

更新日期：2020-06-01 00:00:00

abstract：:The biosynthetic gene cluster of porothramycin, a sequence-selective DNA alkylating compound, was identified in the genome of producing strain Streptomyces albus subsp. albus (ATCC 39897) and sequentially characterized. A 39.7 kb long DNA region contains 27 putative genes, 18 of them revealing high similarity with hom...

journal_title：Folia microbiologica

authors： Najmanova L,Ulanova D,Jelinkova M,Kamenik Z,Kettnerova E,Koberska M,Gazak R,Radojevic B,Janata J

更新日期：2014-11-01 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：: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：: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