abstract：:The present study was carried out to examine the ability of four species of the genus Phlebia, viz. P. floridensis, P. brevispora, P. radiata and P. fascicularia, to produce the ligninolytic enzyme laccase in liquid culture. P. floridensis was the most active species that even surpassed laccase production by Trametes ...

journal_title：Journal of basic microbiology

authors： Arora DS,Rampal P

更新日期：2002-01-01 00:00:00

abstract：:Intracellular aminopeptidase synthesized by a soil strain of Pseudomonas sp. was purified 323-fold using the following procedure: saturation with ammonium sulfate, separation by preparative electrophoresis, anion-exchange chromatography and gel filtration chromatography. Molecular weight of the enzyme determined accor...

journal_title：Journal of basic microbiology

authors： Jankiewicz U,Bielawski W

更新日期：2002-01-01 00:00:00

abstract：:The effects of cold-shock on Neurospora crassa was here investigated. In cold-shock treated hyphae (6 h at 4 degrees C) the branching pattern was changed and dichotomy as well as a fan-like-pattern structure were temporarily detected at the tips. When exogenous Ca(2+) (500 mM) was added to the hyphae, these morphologi...

journal_title：Journal of basic microbiology

authors： Kawano CY,Said S

更新日期：2002-01-01 00:00:00

abstract：:Efficiency of solid and liquid inocula and their use for spawn production were compared so that improved cultivation conditions for the edible mushroom Pleurotus ostreatoroseus could be tested. Solid and liquid inocula were prepared respectively with Potato Dextrose Agar (PDA) and Liquid Potato Dextrose (LPD). Wheat g...

journal_title：Journal of basic microbiology

authors： Rosado FR,Kemmelmeier C,Da Costa SM

更新日期：2002-01-01 00:00:00

abstract：:Yeast<-->mycelium morphological transitions of Aureobasidium pullulans are influenced by numerous environmental factors. In general, changes in the glutathione (GSH) metabolism of dimorphic fungi may lead to alterations in the reduced thiol status of the cells that are hypothesised to initialise morphological transiti...

journal_title：Journal of basic microbiology

authors： Jürgensen CW,Jacobsen NR,Emri T,Eriksen SH,Pócsi I

更新日期：2001-01-01 00:00:00

abstract：:The API 50CH and API ZYM systems fulfil an important role in the polyphasic taxonomic identification of lactobacilli. When the API 50CH fermentation profile of the quality control Lactobacillus casei var. alactosus (Lb. paracasei subsp. paracasei) strain NCFB 206 was determined at 37 degrees C, it was found to differ ...

journal_title：Journal of basic microbiology

authors： Charteris WP,Kelly PM,Morelli L,Collins JK

更新日期：2001-01-01 00:00:00

abstract：:Surface cultures of Fusarium culmorum JP15 were found to respond to extracts of other fungi by enhanced production of orange-red fusarubin pigments and formation of aerial mycelium. Two inducers from strain Ulocladium sp. HKI 0226, the new (-)-terpestacin (1) and L-tenuazonic acid (2), were isolated. 1 inhibited syncy...

journal_title：Journal of basic microbiology

authors： Schlegel B,Schmidtke M,Dörfelt H,Kleinwächter P,Gräfe U

更新日期：2001-01-01 00:00:00

abstract：:Using arbitrary primers for a PCR reaction on cDNA from different mating interactions, genes differentially expressed in a mating-type dependent manner have been identified. The cDNAs were prepared from mRNA extracted from liquid grown cultures of the fungus in order to prevent further steps in development and increas...

journal_title：Journal of basic microbiology

authors： Schubert D,Lengeler KB,Kothe E

更新日期：2000-01-01 00:00:00

abstract：:Studies were carried out to screen twelve strains of Lentinus edodes for their efficiency to grow on toxic agro-industrial residues of coffee industry in solid state cultivation (SSC). Based on best mycelial growth (7.57 mm/day) and biomass production (48.78 mg/plate in 12 days at 24 degrees C) in coffee husk extract ...

journal_title：Journal of basic microbiology

authors： Leifa F,Pandey A,Soccol CR

更新日期：2000-01-01 00:00:00

abstract：:The aim of this work was to study the catabolic pathway of the pollutant 2,4,6-trichlorophenol in Ralstonia eutropha JMP134. 2,6-dichlorohydroquinone was detected as transient intermediate. Enzymatic transformations of 6-chlorohydroxyquinol to 2-chloromaleylacetate, and of this compound to maleylacetate were detected ...

journal_title：Journal of basic microbiology

authors： Padilla L,Matus V,Zenteno P,González B

更新日期：2000-01-01 00:00:00

abstract：:The possibility of associating starch degradation with bacterial beta-glucuronidase expression was examined. We proved that starving, in starch medium, amylase-negative Escherichia coli (M94) which has constitutive beta-glucuronidase greatly reduces (p < 0.01) its background activity, but the addition of both cell-fre...

journal_title：Journal of basic microbiology

authors： Cenci G,Caldini G,Trotta F

更新日期：2000-01-01 00:00:00

abstract：:The yeast Cryptococcus sp. UFMG-Y28 can utilize benzonitrile as a nitrogen and possible additional carbon source. The kinetics of growth on Yeast Carbon Base (YCB) added of benzonitrile as sole nitrogen source showed that benzonitrile was metabolized to benzoic acid and ammonia. Liquid chromatography analysis indicate...

journal_title：Journal of basic microbiology

authors： Rezende RP,Dias JC,Ferraz V,Linardi VR

更新日期：2000-01-01 00:00:00

abstract：:Ribosomal efficiency (RE) estimates provide a quantitative descriptor of intrinsic growth rate of cell populations using readily-obtainable experimental data. In Aspergillus nidulans chemostat cultures, RE increased linearly with growth rate over the range 25-60% of maximum growth rate (mu max), consistent with increa...

journal_title：Journal of basic microbiology

authors： Bushell ME,Bull AT

更新日期：1999-01-01 00:00:00

abstract：:A study was performed to develop a fermented milk beverage with the aim to increase the potential application of buffalo cheese whey and soymilk. A mixed substrate was prepared by selective combination, which contained buffalo cheese whey 35%, soymilk 30% and cow milk 35%. The substrate mixture was fermented by a mixe...

journal_title：Journal of basic microbiology

authors： Macedo RF,Freitas RJ,Pandey A,Soccol CR

更新日期：1999-01-01 00:00:00

abstract：:Two shuttle vectors named pRC52 (10.7 Kb) and pRK52 (12.2 Kb) carrying chloramphenicol (Cm) and chloramphenicol plus kanamycin (Km) resistance genes, respectively, were constructed by fusion of a cryptic plasmid pBL13869 (replicon pBL1, 5.8 Kb) from Brevibacterium lactofermentum ATCC13869 with pBR328 E. coli plasmid. ...

journal_title：Journal of basic microbiology

authors： Duran R

更新日期：1998-01-01 00:00:00

abstract：:A comparative electron microscopic analysis of weakly beta-haemolytic spirochaetes related to human and animal intestinal spirochaetosis was done in order to search for the presence of inducible bacteriophages associated with these spirochaetes. Bacteriophages were detected at the electron microscope after experimenta...

journal_title：Journal of basic microbiology

authors： Calderaro A,Dettori G,Collini L,Ragni P,Grillo R,Cattani P,Fadda G,Chezzi C

更新日期：1998-01-01 00:00:00

abstract：:The depolymerization of humic acids (HAs) obtained from low-rank coal (lignite) to fulvic acids (FAs) was investigated in a cell-free system (in vitro) using manganese peroxidase (MnP) from the white-rot fungus Clitocybula dusenii b11. MnP was produced in surface cultures of C. dusenii which were induced with manganes...

journal_title：Journal of basic microbiology

authors： Ziegenhagen D,Hofrichter M

更新日期：1998-01-01 00:00:00

abstract：:Enzymes of the glutathione-dependent detoxification pathway (glutathione S-transferase and gamma-glutamyl-transpeptidase) were induced, and the glutathione pool was completely depleted by phenoxyacetic acid in Penicillium chrysogenum mycelia incubated for 15 h in a culture medium containing lactose as a carbon source ...

journal_title：Journal of basic microbiology

authors： Emri T,Pócsi I,Szentirmai A

更新日期：1997-01-01 00:00:00

abstract：:Clinical isolates of Proteus penneri were tested for the presence of genes encoding hemolytic activity. Strains possessing DNA sequences similar to the hlyCABD genes in Escherichia coli were found. Each secreted a 110 kDa protein which reacted with a specific anti-HlyA antiserum. Southern blotting analysis revealed th...

journal_title：Journal of basic microbiology

authors： Serwecinska L,Pytlos M,Lukomski S,Jaworski A,Rózalski A

更新日期：1997-01-01 00:00:00

abstract：:Intracellular proteolytic activity was detected in the haloalkaliphilic archaeon Natronococcus occultus during the stationary phase of cultures grown in complete medium and during carbon and nitrogen starvation. Puromycin prevented the occurrence of proteolytic activity in starved cells, suggesting that de novo synthe...

journal_title：Journal of basic microbiology

authors： Herrera Seitz K,Studder C,Sanchez J,De Castro R

更新日期：1997-01-01 00:00:00

abstract：:L-form strains of Proteus mirabilis and Escherichia coli lacking the cell wall represent an alternative prokaryotic cell system for the production of recombinant proteins (KLESSEN et al. 1988, LAPLACE et al. 1988a, 1989b). We could demonstrate that they are also able to synthesize the enzyme penicillin G acylase (PAC)...

journal_title：Journal of basic microbiology

authors： Gumpert J,Cron H,Plapp R,Niersbach H,Hoischen C

更新日期：1996-01-01 00:00:00

abstract：:The effect of continuous-wave ultrasound on the viability of Escherichia coli HB101 was assessed using a 20 kHz ultrasonic processor. A standardised cell suspension of fixed concentration was used to investigate the influence of different physical and environmental conditions on ultrasound susceptibility. Cell viabili...

journal_title：Journal of basic microbiology

authors： Allison DG,D'Emanuele A,Eginton P,Williams AR

更新日期：1996-01-01 00:00:00

abstract：:Cassava wastes--the peel and the root fibre were taken through various pretreatment procedures before being subjected to solid state fermentation with Trichoderma harzianum. Most of the pretreatment processes increased the cellulose and hemicellulose content of the cassava peel and fibre by as high as 155% while sulfu...

journal_title：Journal of basic microbiology

authors： Onilude AA

更新日期：1996-01-01 00:00:00

abstract：:The biological treatment of spent wash from molasses distilleries was investigated. Analysis of raw spent wash showed it to be a recalcitrant waste, with a high COD of 85,170 mg/l and containing inhibitory phenolic compounds. Reverse phase thin layer chromatography identified gallic and vanillic acid present in spent ...

journal_title：Journal of basic microbiology

authors： Fitzgibbon FJ,Nigam P,Singh D,Marchant R

更新日期：1995-01-01 00:00:00

abstract：:Crude glucoamylase preparation from Rhizoctonia solani was used to saccharify raw and cooked starch. Various concentrations of potato starch and wheat flour from 10-40%, w/v were used for mashing but 30% was found to be the optimal and economical. The saccharified mash yielded 5.89%, v/v ethanol in a simultaneous sacc...

journal_title：Journal of basic microbiology

authors： Singh D,Dahiya JS,Nigam P

更新日期：1995-01-01 00:00:00

abstract：:There was a considerable change in the structural parameters of both the lignocellulosic substrates. This change was confirmed by infrared (IR) spectroscopy and X-ray diffraction data, which revealed the presence of phenolic groups in the peaks range 1310-1410 and 1200 cm-1 with large crystalline substrates. These wer...

journal_title：Journal of basic microbiology

authors： Kour J,Maheshwari DK,Mehta P

更新日期：1993-01-01 00:00:00

abstract：:The activity to metabolize the polycyclic aromatic hydrocarbons (PAH) phenanthrene, anthracene, pyrene, fluorene and fluoranthene by Trametes versicolor, Pleurotus ostreatus (white rot fungi), Laetiporus sulphureus, Daedaela quercina, Flamulina velutipes (brown rot fungi), Marasmiellus sp. (litter decaying fungus) and...

journal_title：Journal of basic microbiology

authors： Sack U,Günther T

更新日期：1993-01-01 00:00:00

abstract：:The steroid 1-dehydrogenase of Rhodococcus erythropolis IMET 7030, an active steroid-transforming strain, was localized by immunogold labelling both in cells induced with 17-alpha-methyl-testosterone and in noninduced cells. The labelling intensity was much higher in induced cells than in noninduced cells, indicating ...

journal_title：Journal of basic microbiology

authors： Wagner B,Atrat PG,Clark-Curtiss JE,Wagner M

更新日期：1992-01-01 00:00:00

abstract：:Members of Bacillaceae, Rhizobiaceae, actinomycetes and others were isolated from cultivated and non-cultivated saline soils. The high population of bacteria and actinomycetes were almost coincided with the relatively high levels of organic matter whatever the degree of soil salinity. Bacillus stearothermophilus and B...

journal_title：Journal of basic microbiology

authors： Zahran HH,Moharram AM,Mohammad HA

更新日期：1992-01-01 00:00:00

abstract：:To investigate the influence of culture conditions on growth of filamentous bacteria in submerged culture, S. tendae was cultivated at various temperatures and in various media. For this purpose, a temperature-controlled growth chamber was constructed, which allows the cultivation of filamentous bacteria and fungi oxy...

journal_title：Journal of basic microbiology

authors： Reichl U,King R,Gilles ED

更新日期：1992-01-01 00:00:00

abstract：:alpha-Aminodipate, an intermediate of the lysine biosynthetic pathway of fungi, or lysine when used as the sole nitrogen source in the medium was growth inhibitory and toxic to Saccharomyces cerevisiae. The fission yeast Schizosaccharomyces pombe and pathogenic fungi Candida albicans, Filobasidiella neoformans and Asp...

journal_title：Journal of basic microbiology

authors： Ye ZH,Garrad RC,Winston MK,Bhattacharjee JK

更新日期：1991-01-01 00:00:00

abstract：:The fungal population of Aswan High Dam Lake showed marked vertical variations during the period of study which extended from July 1985 to December 1986. High fungal counts were observed at the surface water which were mainly due to the high counts of Aspergillus fumigatus and A. terreus. Going deeper the fungal popul...

journal_title：Journal of basic microbiology

authors： Moharram AM,el-Hissy FT,el-Zayat SA

更新日期：1990-01-01 00:00:00

abstract：:Supercoiling of bacterial DNA is regulated by topoisomerases and influences most of the metabolic processes involving DNA. The present review is devoted to a brief outline of the supercoiled state of DNA in bacteria and to all microbial topoisomerases hitherto described. Recent studies on topoisomerases of archaebacte...

journal_title：Journal of basic microbiology

authors： Zimmer C,Störl K,Störl J

更新日期：1990-01-01 00:00:00

abstract：:A comparative study of the wild type A. nidulans and a mutant strain aco-T69 (lacking conidia and cleistothecia) revealed the better production of beta-1,4-glucosidase in the former. The relative distribution of the enzyme levels in various morphological structures viz. somatic hyphae, spores and cleistothecia also sh...

journal_title：Journal of basic microbiology

authors： Sharma S,Bagga PS,Sandhu DK

更新日期：1990-01-01 00:00:00

abstract：:107 species and 8 species varieties belonging to 44 genera were collected from combine harvester wheat and sorghum dusts (35 genera and 91 species + 4 varieties) and from the atmosphere of their hay sites (26 genera and 69 species + 4 varieties) on glucose- and cellulose-Czapek's Dox agar at 28 degrees C and 45 degree...

journal_title：Journal of basic microbiology

authors： Abdel-Hafez SI,Moubasher AH,Shoreit AA,Ismail MA

更新日期：1990-01-01 00:00:00

abstract：:A Sau3AI digest of total DNA from Saccharomycopsis fibuligera was cloned with the yeast-integrating plasmid YEp24 delta EcoRI and the capacity for autonomous replication (ARS) was assayed in yeast. From eighty clones, five mitoticaly unstable yeast transformants were picked up, recombinant plasmids from these clones w...

journal_title：Journal of basic microbiology

authors： Jurský F,Hostinová E

更新日期：1990-01-01 00:00:00

abstract：:In the course of a screening for extracellular inhibitors of 8 different proteinases 140 actinomycete and 150 mould strains were examined. 130 fungal and 50 actinomycete strains were similarly tested for the production of extracellular inhibitors of dihydrofolate reductase (DHFR) and alkaline phosphatase (APh). Most o...

journal_title：Journal of basic microbiology

authors： Angelov T,Angelova B,Kourteva Y,Stephanova L,Ayramova T,Peretz V,Konova O

更新日期：1989-01-01 00:00:00

abstract：:For mass cultivation of group B streptococci (B-III and B-variant streptococci), a fermenter dialysis culture technique is described and compared to conventional shaking culture and fermenter batch culture techniques. The influence of two kinds of cultivation media on the bacterial yield is demonstrated. The growth ra...

journal_title：Journal of basic microbiology

authors： Starke R,Mehl M,Möckel C,Grunow R,Montag T,Von Baehr R,Schmidt G

更新日期：1989-01-01 00:00:00

abstract：:The bacterial strain mA3 capable of utilizing 3-aminophenol as the sole source of carbon, energy and nitrogen for growth was isolated from an enrichment culture and identified as an Arthrobacter species. Utilization of 0.68 mg/ml 3-aminophenol by batch cultures of this organism was characterized by a specific growth r...

journal_title：Journal of basic microbiology

authors： Lechner U,Straube G

更新日期：1988-01-01 00:00:00

abstract：:Considered are our own data and those found in literature on the properties of yeast mutants impaired in their ability to utilize methanol as sole carbon and energy source; hypotheses about the role of alcohol oxidase and citrate synthase in biogenesis of peroxisomes are proposed. It has been proved that formaldehyde ...

journal_title：Journal of basic microbiology

authors： Sibirny AA,Titorenko VI,Gonchar MV,Ubiyvovk VM,Ksheminskaya GP,Vitvitskaya OP

更新日期：1988-01-01 00:00:00