abstract：:Bacterial contamination is an ongoing problem for commercial fuel ethanol production facilities. Both chronic and acute infections are of concern, due to the fact that bacteria compete with the ethanol-producing yeast for sugar substrates and micronutrients. Lactic acid levels often rise during bouts of contamination,...

journal_title：Journal of industrial microbiology & biotechnology

authors： Skinner KA,Leathers TD

更新日期：2004-10-01 00:00:00

abstract：:The efficiency of carbon conversion to biomass and desirable end products in industrial fermentations is diminished by the diversion of carbon to acetate and lactate excretions. In this study, the use of prototrophic and mutant strains of Escherichia coli, as well as enzyme active site directed inhibitors, revealed th...

journal_title：Journal of industrial microbiology & biotechnology

authors： El-Mansi M

更新日期：2004-08-01 00:00:00

abstract：:Multi-parameter flow cytometric techniques coupled with dual colour fluorescent staining were used to study the physical and metabolic consequences of inclusion body formation in batch cultures of the recombinant Escherichia coli strain MSD3735. This strain contains a plasmid coding for the isopropylthiogalactopyranos...

journal_title：Journal of industrial microbiology & biotechnology

authors： Lewis G,Taylor IW,Nienow AW,Hewitt CJ

更新日期：2004-08-01 00:00:00

abstract：:The present study deals with the production of citric acid from a ram horn peptone (RHP) by Aspergillus niger NRRL 330. A medium from RHP and a control medium (CM) were compared for citric acid production using A. niger in a batch culture. For this purpose, first, RHP was produced. Ram horns were hydrolyzed by treatme...

journal_title：Journal of industrial microbiology & biotechnology

authors： Kurbanoglu EB,Kurbanoglu NI

更新日期：2004-07-01 00:00:00

abstract：:Industrial applications for lactate, such as the production of chemicals, has led to interest in producing this organic acid by metabolically engineered a yeast such as Saccharomyces cerevisiae, which is more acid tolerant than lactic acid bacteria. This paper deals with lactate production by S. cerevisiae K1-LDH, in ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Colombié S,Sablayrolles JM

更新日期：2004-06-01 00:00:00

abstract：:A strain of Bacillus subtilis was examined for antifungal activity against phytopathogenic and wood-surface contaminant fungi. The bacterium was grown in five culture media with different incubation times in order to study cell development, sporulation, and the production of metabolites with antifungal activity. The a...

journal_title：Journal of industrial microbiology & biotechnology

authors： Feio SS,Barbosa A,Cabrita M,Nunes L,Esteves A,Roseiro JC,Curto MJ

更新日期：2004-06-01 00:00:00

abstract：:Two cultures, a yeast ( Rhodorula rubra GED8) and a yogurt starter ( Lactobacillus bulgaricus 2-11+ Streptococcus thermophilus 15HA), were selected for associated growth in whey ultrafiltrate (WU) and active synthesis of carotenoids. In associated cultivation with the yogurt culture L bulgaricus 2-11+S. thermophilus 1...

journal_title：Journal of industrial microbiology & biotechnology

authors： Simova ED,Frengova GI,Beshkova DM

更新日期：2004-03-01 00:00:00

abstract：:Acid blue-15, a complex and resonance-stabilized triphenylmethane (TPM) textile dye, resistant to transformation, was decolorized/degraded in an up-flow immobilized cell bioreactor. A consortium comprised of isolates belonging to Bacillus sp., Alcaligenes sp. and Aeromonas sp. formed a multispecies biofilm on refracto...

journal_title：Journal of industrial microbiology & biotechnology

authors： Sharma DK,Saini HS,Singh M,Chimni SS,Chadha BS

更新日期：2004-03-01 00:00:00

abstract：:Twenty years ago, the first complete gene cluster encoding the actinorhodin biosynthetic pathway was cloned and characterized. Subsequently, the gene clusters encoding the biosynthetic pathways for many antibiotics were isolated. In the past decade, breakthroughs in technology brought that generation of rationally des...

journal_title：Journal of industrial microbiology & biotechnology

authors： Chiang SJ

更新日期：2004-03-01 00:00:00

abstract：:A simple fed-batch process was carried out using constant and variable specific growth rates for high-cell-density cultivation of Escherichia coli BL21 (DE3) expressing human interferon-gamma(hIFN-gamma). The feeding rate was adjusted to achieve an appropriate specific growth rate. The dissolved oxygen level was maint...

journal_title：Journal of industrial microbiology & biotechnology

authors： Khalilzadeh R,Shojaosadati SA,Maghsoudi N,Mohammadian-Mosaabadi J,Mohammadi MR,Bahrami A,Maleksabet N,Nassiri-Khalilli MA,Ebrahimi M,Naderimanesh H

更新日期：2004-02-01 00:00:00

abstract：:The ability to detect viable contaminants in cultures propagated from the original host-expression system ensures that the integrity and purity of seed banks, fermentation broths, and ultimately the final product are continually controlled and maintained. The method developed to detect such agents must be selective fo...

journal_title：Journal of industrial microbiology & biotechnology

authors： Plantz BA,Andersen J,Smith LA,Meagher MM,Schlegel VL

更新日期：2003-11-01 00:00:00

abstract：:Chalcones, the central precursor of flavonoids, are synthesized exclusively in plants from tyrosine and phenylalanine via the sequential reaction of phenylalanine ammonia-lyase (PAL), cinnamate-4-hydroxylase (C4H), 4-coumarate:coenzyme A ligase (4CL) and chalcone synthase (CHS). Chalcones are converted into the corres...

journal_title：Journal of industrial microbiology & biotechnology

authors： Kaneko M,Hwang EI,Ohnishi Y,Horinouchi S

更新日期：2003-08-01 00:00:00

abstract：:Development of natural products for therapeutic use is often hindered by limited availability of material from producing organisms. The speed at which current technologies enable the cloning, sequencing, and manipulation of secondary metabolite genes for production of novel compounds has made it impractical to optimiz...

journal_title：Journal of industrial microbiology & biotechnology

authors： Rodriguez E,Hu Z,Ou S,Volchegursky Y,Hutchinson CR,McDaniel R

更新日期：2003-08-01 00:00:00

abstract：:Blooms of autotrophic algae and some heterotrophic protists are increasingly frequent in coastal waters around the world and are collectively grouped as harmful algal blooms (HABs). Blooms of these organisms are attributed to two primary factors: natural processes such as circulation, upwelling relaxation, and river f...

journal_title：Journal of industrial microbiology & biotechnology

authors： Sellner KG,Doucette GJ,Kirkpatrick GJ

更新日期：2003-07-01 00:00:00

abstract：:Rapid fluorescence techniques were evaluated for the detection of bacterial contaminants in papermaking chemicals including starch and the resin-based sizes and starch slurries used in the paper industry. Viable and non-viable bacterial cells were visualised by fluorescent probes and detected by epifluorescence micros...

journal_title：Journal of industrial microbiology & biotechnology

authors： Nohynek L,Saski E,Haikara A,Raaska L

更新日期：2003-04-01 00:00:00

abstract：:Two anaerobic fungi, one a monocentric strain ( Piromyces sp. KSX1) and the other a polycentric strain ( Orpinomyces sp. 478P1), were immobilised in calcium alginate beads and cultured in sequential batches where spent medium (containing 0.25% cellobiose) was repeatedly drained and replaced. beta-Glucosidase productio...

journal_title：Journal of industrial microbiology & biotechnology

authors： McCabe BK,Kuek C,Gordon GL,Phillips MW

更新日期：2003-04-01 00:00:00

abstract：:Over 100 bacteria from pulp and slime samples in a Canadian paper mill were identified by partial sequencing of their 16S rDNAs. Seventy-one percent of the isolates could be assigned to a bacterial genus with a high level of confidence. Another 12% exhibited at least 95% similarity within their 16S rDNA sequence with ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Desjardins E,Beaulieu C

更新日期：2003-03-01 00:00:00

abstract：:Biotechnological upgrading of fossil fuels is of increasing interest as remaining stocks of petroleum show increasing levels of contaminants such as heavy metals, sulfur and nitrogen-containing heteroaromatic compounds. Carbazole is of particular interest as a major petroleum component known to reduce refining yields ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Riddle RR,Gibbs PR,Willson RC,Benedik MJ

更新日期：2003-01-01 00:00:00

abstract：:The production of arachidonic acid was studied in the fungus Mortierella alpina using an inexpensive medium. Glucose derived from maize starch hydrolysate was the sole carbon source and defatted soybean meal and sodium nitrate were the nitrogen sources. Optimal arachidonic acid yield (1.47 g l(-1)) was observed at a g...

journal_title：Journal of industrial microbiology & biotechnology

authors： Zhu M,Yu LJ,Wu YX

更新日期：2003-01-01 00:00:00

abstract：:A number of experiments was conducted in order to establish if N(2)O in the exhaust gas from an aerobic consortium of nitrifiers could be used as an indicator for monitoring the nitrification process. Laboratory-scale experiments with an activated sludge system showed a strong correlation between ammonia shock loads a...

journal_title：Journal of industrial microbiology & biotechnology

authors： Burgess JE,Colliver BB,Stuetz RM,Stephenson T

更新日期：2002-12-01 00:00:00

abstract：:A membrane-screening method was developed in conjunction with flow cytometric (FC) analysis for determining the efficacies of antimould pressure-treatment formulations for mould species of cosmetic significance on southern pine. Fusarium subglutinans, Aspergillus flavus, Penicillium chrysogenum, and Paecilomyces spp. ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Price D,Drago G,Noble J,Simmons R,Crow S Jr,Ahearn D

更新日期：2002-12-01 00:00:00

abstract：:The effects of cell immobilization on the secretion of extracellular proteases and glucoamylase production by Aspergillus niger were investigated under a variety of immobilization techniques and culture conditions. Immobilization was achieved by means of cell attachment on metal surfaces or spore entrapment and subseq...

journal_title：Journal of industrial microbiology & biotechnology

authors： Papagianni M,Joshi N,Moo-Young M

更新日期：2002-11-01 00:00:00

abstract：:Cellulomonas flavigena KU produces large quantities of an insoluble exopolysaccharide (EPS) under certain growth conditions. The EPS has previously been shown to be a glucose polymer and to have solubility properties similar to curdlan, a beta-1,3-D-glucan produced by Alcaligenes faecalis var. myxogenes 10C3K. Further...

journal_title：Journal of industrial microbiology & biotechnology

authors： Kenyon WJ,Buller CS

更新日期：2002-10-01 00:00:00

abstract：:The effects of different straw types and organic and inorganic nitrogen (N) sources on the chemical composition and odor concentration (OC) of mushroom composting emissions, compost parameters, and mushroom yield were examined using bench-scale and large-scale (windrows and aerated tunnels) composting systems. There w...

journal_title：Journal of industrial microbiology & biotechnology

authors： Noble R,Hobbs PJ,Mead A,Dobrovin-Pennington A

更新日期：2002-09-01 00:00:00

abstract：:The Food and Drug Administration has become aware of several instances where supposedly sterile medical surgical products made of Chinese cotton have been found to contain viable Pyronema domesticum. The aim of this research was to determine the gamma and electron beam radiation resistance values for the two dormant p...

journal_title：Journal of industrial microbiology & biotechnology

authors： Richter SG,Barnard J

更新日期：2002-08-01 00:00:00

abstract：:In vitro colonization of hydrophilic contact lenses by Aspergillus niger was investigated. Five strains of the fungus, four polymers, two culture media and four incubation periods were considered for analysis. Only the 2700 strain colonized the lenses. The degrees of adhesion and invasion varied significantly accordin...

journal_title：Journal of industrial microbiology & biotechnology

authors： Marqués-Calvo MS

更新日期：2002-07-01 00:00:00

abstract：:The bacteria causing foaming in activated sludge plants are considered to be hydrophobic, and their hydrophobicity is assumed to be a crucial factor in their foam-forming ability. This study showed no consistent relationship between cell surface hydrophobicity (CSH), as determined by microbial adherence to hydrocarbon...

journal_title：Journal of industrial microbiology & biotechnology

authors： Stratton HM,Brooks PR,Griffiths PC,Seviour RJ

更新日期：2002-05-01 00:00:00

abstract：:Cellulase-free xylan-degrading enzyme preparations from Acrophialophora nainiana, Humicola grisea var. thermoidea and two Trichoderma harzianum strains were used as bleaching agents for Eucalyptus kraft pulp, prior to a chlorine dioxide and alkaline bleaching sequence. In comparison to the control sequence (performed ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Medeiros RG,Silva FG Jr,Salles BC,Estelles RS,Filho EX

更新日期：2002-04-01 00:00:00

abstract：:In the genome of Streptomyces fradiae, the three tylM genes are codirectional with the upstream gene, tylGV. Although the introduction of transcriptional blocks into the tylM genes revealed that they are normally cotranscribed, expression of tylMI still persisted (albeit at a very low level) when either of the upstrea...

journal_title：Journal of industrial microbiology & biotechnology

authors： Flint SA,Stratigopoulos G,Butler AR,Cundliffe E

更新日期：2002-03-01 00:00:00

abstract：:Streptomyces lividans 1,326 usually does not produce the red/blue colored polyketide actinorhodin in liquid culture even though it carries the entire actinorhodin biosynthesis gene cluster. The bacterium can be forced to produce this secondary metabolite by introducing actII-ORF4, the actinorhodin pathway-specific act...

journal_title：Journal of industrial microbiology & biotechnology

authors： Bruheim P,Sletta H,Bibb MJ,White J,Levine DW

更新日期：2002-02-01 00:00:00

abstract：:Solar salterns can be modeled as giant outdoor chemostats, much like a series of dams on a slow-moving river. Microorganisms and their products play an essential, but sometimes uncharacterized, role in salt production in these ponds, from seawater salinity up through NaCl saturation. They may physically affect the eva...

journal_title：Journal of industrial microbiology & biotechnology

authors： Javor BJ

更新日期：2002-01-01 00:00:00

abstract：:Electropermeabilization of Clostridium cellulolyticum was optimized using ATP leakage assays. Electrotransformation was then performed under optimized conditions (6 to 7.5 kV x cm(-1) field strength applied during 5 ms to a mixture containing methylated plasmids and late exponential phase cell suspensions (10 molecule...

journal_title：Journal of industrial microbiology & biotechnology

authors： Tardif C,Maamar H,Balfin M,Belaich JP

更新日期：2001-11-01 00:00:00

abstract：:Nine thraustochytrid strains isolated from subtropical mangroves were screened for their eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) production potential in a glucose yeast extract medium. Their ability to utilize okara (soymilk residue) for growth and EPA and DHA production was also evaluated. EPA yiel...

journal_title：Journal of industrial microbiology & biotechnology

authors： Fan KW,Chen F,Jones EB,Vrijmoed LL

更新日期：2001-10-01 00:00:00

abstract：:Recombinant Escherichia coli have been constructed for the conversion of glucose as well as pentose sugars into L-lactic acid. The strains carry the lactate dehydrogenase gene from Streptococcus bovis on a low copy number plasmid for production of L-lactate. Three E. coli strains were transformed with the plasmid for ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Dien BS,Nichols NN,Bothast RJ

更新日期：2001-10-01 00:00:00

abstract：:The evolution of the field of biosynthesis from the unravelling of the mode of formation of natural products to the use of such knowledge to create new compounds is reviewed using examples from the author's laboratory. The discussion focuses on the mode of operation of type II (spore pigment PKS) and type I (rifamycin...

journal_title：Journal of industrial microbiology & biotechnology

authors： Floss HG

更新日期：2001-09-01 00:00:00

abstract：:Hepatitis A and E viruses, rotaviruses, Norwalk-like caliciviruses, and astroviruses are among the enteric viruses known to cause food- and waterborne illness. These viruses are spread by the fecal-oral route and are a major cause of morbidity and mortality worldwide. Foods may be contaminated at any time pre- or post...

journal_title：Journal of industrial microbiology & biotechnology

authors： Richards GP

更新日期：2001-08-01 00:00:00

abstract：:The polyketide aglycone, tylactone (protylonolide), does not normally accumulate during tylosin production in Streptomyces fradiae, suggesting that the capacity of the organism to glycosylate tylactone exceeds the capacity for polyketide synthesis. Consistent with this model, tylosin yields were significantly increase...

journal_title：Journal of industrial microbiology & biotechnology

authors： Butler AR,Cundliffe E

更新日期：2001-07-01 00:00:00

abstract：:An improved extraction method for ethyl carbamate, a genotoxic and carcinogenic compound found in various fermented foods and beverages, was investigated for its determination in the two most typical Korean traditional rice wines, takju and yakju. When the rice wines were extracted twice with chloroform at 30 degrees ...

journal_title：Journal of industrial microbiology & biotechnology

authors： Woo IS,Kim IH,Yun UJ,Chung SK,Rhee IK,Choi SW,Park HD

更新日期：2001-06-01 00:00:00

abstract：:The ability of dromedary skim milk to form an acid curd during a lactic acid starter fermentation was investigated. The activity of the starter in dromedary milk was characterized by a longer lag phase ( approximately 5 vs. approximately 1 h) and by an earlier decline phase. This suggests the presence of inhibiting fa...

journal_title：Journal of industrial microbiology & biotechnology

authors： Attia H,Kherouatou N,Dhouib A

更新日期：2001-05-01 00:00:00

abstract：:Controlling water activity (a(w)) can significantly impact the growth of Salmonella in poultry litter and manure - a phenomenon that was studied quantitatively using two common serotypes of Salmonella. The quantitative effect of changes in levels of a(w) on Salmonella populations was determined using inoculated, frost...

journal_title：Journal of industrial microbiology & biotechnology

authors： Eriksson de Rezende CL,Mallinson ET,Gupte A,Joseph SW

更新日期：2001-04-01 00:00:00