Biological activity of secondary metabolites produced by a strain of Pseudomonas fluorescens.

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：:Biofilms represent mixed communities present in a diverse range of environments; however, their utility as inoculants is less investigated. Our investigation was aimed towards in vitro development of biofilms using fungal mycelia (Trichoderma viride) as matrices and nitrogen-fixing and P-solubilizing bacteria as partn...

journal_title：Folia microbiologica

authors： Triveni S,Prasanna R,Saxena AK

更新日期：2012-09-01 00:00:00

abstract：:The synthesis of exocellular proteinase decreases with increasing concentration of amino acids in the growth medium. After removal of amino acids the enzyme synthesis is gradually restored to normal values. The presence of inhibitors of transcription (actinomycin D) or translation (chloramphenicol) blocks the restorat...

journal_title：Folia microbiologica

authors： Moravcová J,Chaloupka J

更新日期：1984-01-01 00:00:00

abstract：:Sporulation was repressed in the parent strain by various carbon sources whereas glucose-resistant mutants were resistant to them but not to glycerol 2-phosphate. Both mycobacillin and dipicolinic acid synthesis were repressed in the parent by some of the compounds tested, viz. glucose, pyruvate and glycerol 2-phospha...

journal_title：Folia microbiologica

authors： Majumdar S,Basu S,Das SK,Bose SK

更新日期：1986-01-01 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：: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：:Killer strains of Saccharomyces cerevisiae producing killer toxin K1 kill sensitive cells but are resistant to their own toxin. It is assumed that in the producer, an effective interaction between the external toxin and its plasma membrane receptor or the final effector is not possible on the grounds of a conformation...

journal_title：Folia microbiologica

authors： Valis K,Masek T,Novotná D,Pospísek M,Janderová B

更新日期：2006-01-01 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：: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：:A naturally deficient thiamine and methionine requiring strain of Bacillus coagulans (Ms 5) accumulates lysine in medium only when exogenous pyridoxine (optimal concentration, 0.1 mu g/ml) are supplied. Threonine exerts an inhibitory effect at higher concentrations but pyridoxine does not. ...

journal_title：Folia microbiologica

authors： Chatterjee S,Banerjee AK

更新日期：1975-01-01 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：: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 effects of pH on denitrifying enzyme activity (DEA) and on the ratio of the denitrification products, N(2)O and N(2), were determined in three pasture soils differing in cattle impact. The linkage between intrinsic differences in the denitrifying communities and pH effects on relative N(2)O production was also ass...

journal_title：Folia microbiologica

authors： Cuhel J,Simek M

更新日期：2011-05-01 00:00:00

abstract：:Substitution with NO2, Cl, Br and I into position 6 of 2-benzthiazolthiol derivatives increased their antimicrobial efficiency while the SH group is preserved. This increase affected both G+ and G--bacteria, mycobacteria and some fungi. The degree of efficiency of the benzthiazol derivatives is also influenced by the ...

journal_title：Folia microbiologica

authors： Foltínová P,Sutoris V,Blöckinger G,Ebringer L

更新日期：1978-01-01 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：:In ostriches and pheasants, there is still limited information relating to staphylococci and their properties. Biogenic amines (BAs) are nitrogenous low-molecular-weight substances with biological functions in animals, plants and microorganisms. In this study, we focused on BA production by targeted faecal staphylococ...

journal_title：Folia microbiologica

authors： Lauková A,Kandričáková A,Pleva P,Buňková L,Ščerbová J

更新日期：2017-05-01 00:00:00

abstract：:The present study was designed to characterize six Trueperella (T.) abortisuis strains, cultured over a period of 5 months from fetus and abortion material of six pigs of a single farm in Mecklenburg-West Pomerania federal state, Germany. It was of interest to investigate the epidemiological relationships of the six s...

journal_title：Folia microbiologica

authors： Alssahen M,Hassan AA,Wickhorst JP,Sammra O,Lämmler C,Glaeser SP,Kämpfer P,Timke M,Prenger-Berninghoff E,Abdulmawjood A

更新日期：2020-06-01 00:00:00

abstract：:The plasmid R1drd-19 Km- and its derivative pON5300 were split by the PstI restriction enzyme; they differed in a 2.4 Mg/mol fragment which was present only in the pON5300. Both plasmids were present in 1-2 copies per chromosomal equivalent in E. coli JC5455 cells. The pON5300 is stable in its original mutagenized hos...

journal_title：Folia microbiologica

authors： Navrátil O,Benada O,Braná H,Hubácek J

更新日期：1983-01-01 00:00:00

abstract：:A comparative examination of reduced methyl [MV·](+) and benzyl [BV·](+) viologens (as artificial electron donors for quantitative estimation of the respiratory periplasmic (Nap) and membrane-embedded (Nar) nitrate reductases) using a newly constructed nap mutant strain of Paracocccus denitrificans was done. The activ...

journal_title：Folia microbiologica

authors： Illichmanová A,Janů M,Sedláček V,Kučera I

更新日期：2011-01-01 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：: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：:Isolates of Stenotrophomonas maltophilia species display the feature "temperature-dependent susceptibility" (TDS) to antibiotics. Both 30TDS strains (at least 4 times lower value of minimum inhibitory concentration (MIC) of an antibiotic at 30 than at 37 degrees C) and 37TDS strains (at least 4 times lower value of MI...

journal_title：Folia microbiologica

authors： Hejnar P,Chmela Z,Rypka M

更新日期：2002-01-01 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：:The biochemical basis of a defective bioenergetic system was attempted to be determined in N,N'-dicyclohexylcarbodiimide (DCCD)-resistant mutant of Methanothermobacter thermautotrophicus. Components participating in the maintenance of methanoarchaeal membrane structure and function, such as the composition of the mixt...

journal_title：Folia microbiologica

authors： Nováková Z,Surín S,Blasko J,Majerník A,Smigán P

更新日期：2008-01-01 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：:Four in vitro experiments were set up to verify the colonization potential of ectomycorrhizal (EcM) Cenococcum geophilum FR. (strain CGE-4), saprotrophic Geomyces pannorum (LINK) SIGLER & CARMICHAEL (GPA-1) and a frequent root-associated, potentially ericoid mycorrhiza (ErM)-forming Meliniomyces variabilis Hambleton &...

journal_title：Folia microbiologica

authors： Vohník M,Fendrych M,Albrechtová J,Vosátka M

更新日期：2007-01-01 00:00:00

abstract：:The survival of Herbaspirillum spp. cells added directly or encapsulated in alginate beads and colonization of wheat roots was evaluated in soil microcosms. Cells entrapped in alginate in the presence of JNFb-broth and introduced into unplanted non-sterile clay loamy and sandy soils survived better than cells added di...

journal_title：Folia microbiologica

authors： el-Komy HM

更新日期：2001-01-01 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：:The pathogenesis of bacillary dysentery can be studied at different levels of integration of the cellular components that constitute the colonic mucosal barrier. We considered the interaction of Shigella flexneri in three experimental systems that provide complementary information and a scheme of events occurring in h...

journal_title：Folia microbiologica

authors： Sansonetti PJ

更新日期：1998-01-01 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