Membrane fluidity in Bacillus subtilis. Validity of homeoviscous adaptation.

abstract：:Kocuria spp. are widely distributed in nature. They are Gram-positive, coagulase-negative, coccoid bacteria belonging to the family Micrococcaceae, suborder Micrococcineae, order Actinomycetales, class Actinobacteria. In general, limited knowledge exists concerning the properties associated with the representants of t...

journal_title：Folia microbiologica

authors： Styková E,Nemcová R,Gancarčíková S,Valocký I,Lauková A

更新日期：2016-05-01 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：:Rabbits, sensitized with M. kansasii, responded by a profound inhibition of migration of macrophages elicited by both antigens: the migration index for homologous antigen was 0.51 in the direct test and 0.65 in the indirect test; for heterologous antigen the indexes were 0.53 and 0.67. However, significant differences...

journal_title：Folia microbiologica

authors： Kubín M,Svejcar J,Wisingerová E,Pekárek J,Svandová E,Kubícková M

更新日期：1980-01-01 00:00:00

abstract：:Streptomyces caelestis DSM 40084 produces two osmolytes, viz. 2-O-(alpha-D-glucopyranosyl)-zeta-glyceric acid (GG) and trehalose. Both compounds were isolated and identified by nuclear magnetic resonance spectroscopy and mass spectrometry. A very sensitive regulation of the cell osmolytes was demonstrated in exponenti...

journal_title：Folia microbiologica

authors： Pospísl S,Halada P,Petrícek M,Sedmera P

更新日期：2007-01-01 00:00:00

abstract：:The possibility of utilizing derivatives of 4-methylumbelliferone (4-MUBF) for the determination of activity of enzymes from the group of hydrolyses was tested in 20 strains of 12 species of mycobacteria. The method proved to be suitable especially for determination of arylsulphatase, beta-D-galactose and acid phospha...

journal_title：Folia microbiologica

authors： Slosárek M

更新日期：1980-01-01 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：:Blastoschizomyces capitatus is an uncommon, opportunistic pathogenic fungus, which causes invasive and disseminated infections. This microorganism is normally present in both environmental and normal human flora. Within a host, B. capitatus is able to grow in both unicellular yeast and multicellular filamentous growth...

journal_title：Folia microbiologica

authors： Allocati N,Masulli M,Del Boccio P,Pieragostino D,D'Antonio D,Sheehan D,Di Ilio C

更新日期：2014-03-01 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 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：: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：:Proteinase production by Lactobacillus murinus was influenced by temperature, glucose concentration, initial pH and nitrogen sources. Maximum proteinase production occurred at 45 degrees C, pH 6.6 and with 0.5% (W/V) glucose. Tryptone, peptone and gelatin inhibited it. ...

journal_title：Folia microbiologica

authors： Strasser de Saad AM,Manca de Nadra MC,Pesce de Ruiz Holgado AA,Oliver G

更新日期：1987-01-01 00:00:00

abstract：:The production of bacterial enzymes in batch fermentations is compared with results obtained in continuous culture. When studying the production of alpha-amylase in Bacillus subtilis it was found that instability of the enzyme synthesis was due to nonhomogeneity of the population rather than to "the culture's history"...

journal_title：Folia microbiologica

authors： Fencl Z,Pazlarová J

更新日期：1982-01-01 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：:Aminoglycosides at 2x or 4x minimum inhibitory concentration induced postantibiotic effects against Pseudomonas aeruginosa lasting 3.5-4.9 h (gentamicin) and 0.5-3.7 h (selemycin). Postantibiotic effects of subinhibitory concentrations of the aminoglycosides tested were substantially longer. Some combinations of supra...

journal_title：Folia microbiologica

authors： Hostacká A

更新日期：1996-01-01 00:00:00

abstract：:The effect of subinhibitory concentrations (subMICs) of new organic ammonium salts of four homologous series of alkylammonium bromides (32 compounds) was determined with respect to the induction of lysogenic strain prophage, influence of permeability reactions in a rabbit skin test and cytotoxic changes of monolayers ...

journal_title：Folia microbiologica

authors： Majtánová L,Hostacká A,Majtán V

更新日期：1995-01-01 00:00:00

abstract：:The present study was designed to characterize phenotypically and genotypically a Trueperella pyogenes strain isolated from a brain abscess of an adult roebuck (Capreolus capreolus). The species identity could be confirmed by phenotypical investigations, by MALDI-TOF MS analysis, and by sequencing the 16S ribosomal RN...

journal_title：Folia microbiologica

authors： Wickhorst JP,Hassan AA,Sheet OH,Eisenberg T,Sammra O,Alssahen M,Lämmler C,Prenger-Berninghoff E,Zschöck M,Timke M,Abdulmawjood A

更新日期：2018-01-01 00:00:00

abstract：:The effect of foliar application of 2% urea and 0.6% benomyl on changes in colonization of the rhizosphere by microorganisms and of roots by the fungus Gaeumannomyces graminis (Sacc.) Arx et Olivier var. tritici Walker was followed in vegetation glass-house experiments. Treatment with a urea solution resulted in incre...

journal_title：Folia microbiologica

authors： Vraný J,Stanĕk M,Vancura V

更新日期：1980-01-01 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：: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 is the first report describing precipitation of bacteriophage particles with zinc chloride as a method of choice to isolate infectious lytic bacteriophages against Pectobacterium spp. and Dickeya spp. from environmental samples. The isolated bacteriophages are ready to use to study various (ecological) aspects of...

journal_title：Folia microbiologica

authors： Czajkowski R,Ozymko Z,Lojkowska E

更新日期：2016-01-01 00:00:00

abstract：:The color of light (white, red, blue, and green) had a significant effect on the growth and reproductive processes (both in the nucleocytoplasmic and chloroplast compartment of the cells) in synchronous cultures of Scenedesmus obliquus. This effect decreased in the order red > white > blue > green. In the same order, ...

journal_title：Folia microbiologica

authors： Cepák V,Pribyl P,Vítová M

更新日期：2006-01-01 00:00:00

abstract：:The efficacy of the agents was evaluated on the basis of minimum inhibitory concentration (MIC) and time-kill curve analysis in Pseudomonas aeruginosa, Staphylococcus aureus, Acinetobacter baumannii, Mycobacterium smegmatis, and Citrobacter braakii; MIC was found to be 0.5, 4.0, 0.015625, 0.0078125, and 0.0625 mg/L in...

journal_title：Folia microbiologica

authors： Shrivastava SM,Shukla SK,Chaudhary M

更新日期：2009-09-01 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：: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：:Gut microbiome lives in the intestinal tract of animals and plays an important role in almost all life processes. Gut microbiome balance is beneficial to health, and imbalance leads to many diseases, one of which is obesity epidemic. However, gut microbiome is also influenced by host hormone, and different gut microbi...

journal_title：Folia microbiologica

authors： Yao G,Wu S,Zeng X,Zhao H,Wang G,Chen M,Qian N

更新日期：2019-11-01 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：:The gene corresponding to the recently identified whiB-paralogous gene wblE in S. coelicolor was found after sequencing the downstream region of the stress-response sporulation-specific sigma-factor gene, sigH, in S. coelicolor A3(2). Sequence analysis has revealed an ORF exhibiting high similarity to sporulation tran...

journal_title：Folia microbiologica

authors： Homerová D,Sevcíková J,Kormanec J

更新日期：2003-01-01 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：: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：:We report a novel application of calcein-acetomethyl ester in flow cytometry for rapid estimation of the number of G+-bacteria in rodent feces (Apodemus sylvaticus and Mus sp.f. muridae). We also use the combined application of flow cytometry and Syto-13 or Sypro Orange staining to count rapidly the total bacterial po...

journal_title：Folia microbiologica

authors： Moragues M,Comas-Riu J,Vives-Rego J

更新日期：2004-01-01 00:00:00