Interactive effects of propionic acid and temperature on growth and ochratoxin a production by Penicillium aurantiogriseum.

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：: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：:Acmycin, a new polyene antibiotic, was fungistatic at low and fungicidal at high concentrations. It produced malformations in conidia of Helminthosporium oryzae and Curvularia lunata and caused leakage of yeast cells. Acmycin was fairly nontoxic to germinating seeds. The intravenous LD50 was 300-400 and intraperitonea...

journal_title：Folia microbiologica

authors： Chakrabarti S,Chandra AL

更新日期：1983-01-01 00:00:00

abstract：:Bacteria accumulate high amounts of potassium in the cytoplasm. For studying transport of K+ (with 86Rb as a marker) in bacteria (Staphylococcus aureus 17810S), the cells were depleted of the internal K+ pool by a DNP treatment. Kinetics and energetics of 86Rb transport was assayed with glucose as an exogenous energy ...

journal_title：Folia microbiologica

authors： Tynecka Z,Malm A,Kosikowska U,Kot A

更新日期：1998-01-01 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 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：:The sorption ability of Candida utilis biomass for cadmium ions with accumulating competence of dried cells and cells in alginate was compared. After an optimization of process conditions (pH 5.5, biomass concentration 1 g/L and c0 50 mg/L), the cadmium sorption capacity of dried yeast biomass was perceptibly higher t...

journal_title：Folia microbiologica

authors： Kujan P,Prell A,Safár H,Sobotka M,Rezanka T,Holler P

更新日期：2006-01-01 00:00:00

abstract：:Procedures to introduce point mutations, restriction sites and insert or delete DNA fragments are very important tools to study protein function. We describe here two-step PCR-based method for generating single or multiple mutations, insertions and deletions in a small region of the sequence. In the first step, a uniq...

journal_title：Folia microbiologica

authors： Adamec J,Kalousek F

更新日期：1999-01-01 00:00:00

abstract：:Vibrio el tor cells contain a constitutive reductase enzyme which converts nitrofurantoin to an active principle that is responsible for the observed antibacterial activity of the drug. Acquisition of resistance of this strain towards nitrofurantoin is associated with the loss of this reductase. This enzyme is located...

journal_title：Folia microbiologica

authors： Ghosh Dastidar P,Sinha AM,Ghosh S,Chatterjee GC

更新日期：1979-01-01 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：:A group of sixteen esculin-positive fluorescent pseudomonads isolated from an underground brook flowing through a cave complex was characterized by biotyping, multiple enzyme restriction fragment length polymorphism analysis of 16S rDNA (MERFLP), ribotyping and whole-cell fatty-acid methyl-esters analysis (FAME). All ...

journal_title：Folia microbiologica

authors： Svec P,Stegnerová H,Durnová E,Sedlácek I

更新日期：2004-01-01 00:00:00

abstract：:The activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSP) as well as of succinate dehydrogenase (SDG), NADH dehydrogenase (NDG) and fumarate hydratase (FHT) were examined in relation to mitochondrial ultrastructure changes in Aspergillus niger exposed to N,N-bis(3-aminopropyl)dodecy...

journal_title：Folia microbiologica

authors： Kuźniak E,Wyrwicka A,Gabara B,Koziróg A,Skłodowska M

更新日期：2006-01-01 00:00:00

abstract：:Lactobacillus bulgaricus 59 and L. casei RTS and their respective nitrosoguanidine-induced mutants were estimated for titratable and volatile acidities, production of biacetyl and acetoin and for proteolytic activity. Both the mutants showed a marked increase in proteolytic activity as compared to the parents. ...

journal_title：Folia microbiologica

authors： Singh J,Ranganthan B,Chander H

更新日期：1980-01-01 00:00:00

abstract：:The present paper reports a modified method for isolation of lysostaphin--a bacteriolytic agent with specific affinity for staphylococcal cell wall. The proposed purification scheme includes three steps. The first procedure is ultrafiltration through a membrane filter giving a yield of 75.6%. The result of ultrafiltra...

journal_title：Folia microbiologica

authors： Márová I,Dadák V

更新日期：1993-01-01 00:00:00

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 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 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：:The effect of the newly synthesized phosphonic compound dibutyl 2-octylamino-2-propanephosphonate (DBOP) on the growth of the aquatic plant Spirodela oligorrhiza and stability of red blood cells (RBC) and planar lipid membranes (BLM) was studied to determine its physiological activity and, if possible, correlate this ...

journal_title：Folia microbiologica

authors： Kleszczyńska H,Sarapuk J,Bielecki K,Grzyś E,Witek S

更新日期：2000-01-01 00:00:00

abstract：:The yellow-green alga Trachydiscus minutus (class Xanthophyta) was cultivated in a standard medium and in media without sulfur and nitrogen. Its yield after a 16-d cultivation reached 13 g dry mass per 1 L medium. The content of oligoenoic ('polyenoic') fatty acid (PUFA), i.e. eicosapentaenoic (EPA), was in excess of ...

journal_title：Folia microbiologica

authors： Rezanka T,Petránková M,Cepák V,Pribyl P,Sigler K,Cajthaml T

更新日期：2010-05-01 00:00:00

abstract：:A high infective dose of Taxocara canis eggs (2,500 eggs per mouse) induced a partial immunosuppression in mice, manifested by inhibition of the proliferative response of splenic T and B cells to polyclonal activators. A glucan immunomodulator given to infected animals at the beginning of the experiment showed a marke...

journal_title：Folia microbiologica

authors： Borosková Z,Reiterová K,Dubinský P,Tomasovicová O,Machnicka B

更新日期：1998-01-01 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：:The emergence of spa types and spa-clonal complexes (CC) among clinical methicillin-resistant Staphylococcus aureus isolates collected from the University Clinical Center in Gdańsk between 2008 and 2009 were investigated. Phage typing was used as the initial screening in the study. The basic set of phages and the addi...

journal_title：Folia microbiologica

authors： Wiśniewska K,Szewczyk A,Piechowicz L,Bronk M,Samet A,Swieć K

更新日期：2012-05-01 00:00:00

abstract：:The potentiality of twenty-five fungal species belonging to 14 genera isolated from Egyptian soils to produce mevinolin, a hypocholesterolemic agent, when grown on selected substrates was tested. For the first screening samples of culture filtrates were tested by TLC and the positive results were further estimated by ...

journal_title：Folia microbiologica

authors： Shindia AA

更新日期：1997-01-01 00:00:00

abstract：:The rosettes formed by mouse peritoneal macrophages or DCH-5 cells and TNP-erythrocytes coated with anti-TNP antibodies of different isotypes were inhibited to various extent by monosaccharides. The most effective inhibitors were N-acetylglucosamine, glucosamine, mannose and N-acetylneuraminic acid in 1-5 mmol/L conce...

journal_title：Folia microbiologica

authors： Tucková L,Rejnek J,Zikán J,Vĕtvicka V

更新日期：1992-01-01 00:00:00

abstract：:The ribosomal stalk is involved directly in the interaction of the elongation factors with the ribosome during protein synthesis. The stalk is formed by a complex of five proteins, four small acidic polypeptides and a larger protein which directly interacts with the rRNA at the GTPase center. In eukaryotes, the acidic...

journal_title：Folia microbiologica

authors： Rodriguez-Gabriel MA,Bou G,Briones E,Zambrano R,Remacha M,Ballesta JP

更新日期：1999-01-01 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：: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：:Numerous antibodies with a known mechanism of action are utilized as possible means for studying morphogenesis and differentiation. Inhibitors of biosynthesis of nucleic acids and proteins, compounds intervening with the synthesis and/or function of cell walls and membranes or compounds influencing the energy metaboli...

journal_title：Folia microbiologica

authors： Betina V

更新日期：1980-01-01 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：:Coxiella burnetii (C. burnetii), an intracellular zoonotic bacterium causing Q fever, occurs widely in cattle herds. After invasion of the pregnant uterus and initial localization in the placenta, active C. burnetii infections may spread to the fetus hematogenously or by the amniotic-oral route and thus may cause abor...

journal_title：Folia microbiologica

authors： Freick M,Konrath A,Enbergs H,Walraph J,Weber J,Eulenberger K

更新日期：2018-03-01 00:00:00