abstract：:New types of antimicrobial compounds were identified in the culture filtrate of Lactobacillus plantarum VTT E-78076. Activity was detected in the low molecular mass fraction separated by gel chromatography. This fraction totally inhibited the growth of the Gram-negative test organism, Pantoea agglomerans (Enterobacter...

journal_title：Journal of applied microbiology

authors： Niku-Paavola ML,Laitila A,Mattila-Sandholm T,Haikara A

更新日期：1999-01-01 00:00:00

abstract：:The aim of this study was to compare biofilm accumulation and heterotrophic bacterial diversity on three pipe materials-cast iron, medium density polyethylene (MDPE), and unplasticised polyvinyl chloride (uPVC) - using a laboratory model system run over a short period (21 d) and a longer period (7 months). Newly Modif...

journal_title：Journal of applied microbiology

authors： Kerr CJ,Osborn KS,Robson GD,Handley PS

更新日期：1998-12-01 00:00:00

abstract：:Although there is great scientific and technological interest in examining the physiology and bioenergetics of microorganisms from extreme environments, difficulties encountered in their cultivation and lack of genetic systems hampers the investigation of these issues. As such, we have adapted methods for continuous c...

journal_title：Journal of applied microbiology

authors： Rinker KD,Han CJ,Kelly RM

更新日期：1998-12-01 00:00:00

abstract：:Traditional microbiological methods are still used extensively for analysis of micro-organisms in water. However, they are inefficient due to a high labour input requirement, a low sample capacity, and often a long time lag before results are available. Analytical stages involving incubation and growth (enrichments an...

journal_title：Journal of applied microbiology

authors： Betts WB,Brown AP

更新日期：1998-12-01 00:00:00

abstract：:Thirty-eight Lactococcus strains, isolated from raw milk produced in two dairy areas in Normandy, were identified at the phenotypic level. Only Lactococcus lactis strains with the lactis phenotype were found in the milk samples. Most strains fermented lactose (97%) and showed proteinase activity (76%). Isolates were c...

journal_title：Journal of applied microbiology

authors： Desmasures N,Mangin I,Corroler D,Guéguen M

更新日期：1998-12-01 00:00:00

abstract：:The inactivation of Bacillus subtilis spores by ultrasonic treatments under static pressure (Mano-Sonication, MS) and a combined MS/heat treatment (Mano-Thermo-Sonication) was investigated. The sporicidal effect of MS treatments depended on static pressure, amplitude of ultrasonic waves and treatment temperature. At 7...

journal_title：Journal of applied microbiology

authors： Raso J,Palop A,Pagán R,Condón S

更新日期：1998-11-01 00:00:00

abstract：:The effect of divalent cations on the inactivation of Escherichia coli by high hydrostatic pressure was investigated. The presence of 0.5 mmol l-1 of CaCl2, MgCl2, MnCl2 and FeCl2 reduced pressure inactivation of E. coli MG1655, while 0.5 mmol l-1 of ZnCl2, NiCl2, CuCl2 and CoCl2 increased inactivation. Baroprotection...

journal_title：Journal of applied microbiology

authors： Hauben KJ,Bernaerts K,Michiels CW

更新日期：1998-10-01 00:00:00

abstract：:A novel antibacterial substance produced by a strain isolated from Bulgarian yellow cheese was characterized. The producer strain was identified by molecular typing to belong to the species Lactobacillus delbrueckii, which is a rare producer of bacteriocins. The inhibitory agent was heat stable and active against lact...

journal_title：Journal of applied microbiology

authors： Miteva V,Ivanova I,Budakov I,Pantev A,Stefanova T,Danova S,Moncheva P,Mitev V,Dousset X,Boyaval P

更新日期：1998-09-01 00:00:00

abstract：:An alginate gel bead artificial biofilm system was used to assay biofilm susceptibility to four biocides and to analyse the extent to which each agent penetrated the biofilm. Chlorine, glutaraldehyde, an isothiazolone, and a quaternary ammonium compound were tested on alginate-entrapped Enterobacter aerogenes in gel b...

journal_title：Journal of applied microbiology

authors： Stewart PS,Grab L,Diemer JA

更新日期：1998-09-01 00:00:00

abstract：:A total of 23 strains of Lactobacillus helveticus isolated from natural whey starter cultures for Italian hard cheeses and three reference strains were characterized by plasmid profiling, ribotyping and random amplified polymorphic DNA (RAPD) fingerprinting. The data showed an interesting strain heterogeneity in natur...

journal_title：Journal of applied microbiology

authors： Giraffa G,De Vecchi P,Rossi P,Nicastro G,Fortina MG

更新日期：1998-09-01 00:00:00

abstract：:Ecological and physiological effects of the sulphate-reducing bacterium (SRB) Desulfovibrio desulfuricans on other intestinal organisms were investigated in anaerobic chemostats (dilution rate approximately 0.2 h-1). Reproducible defined bacterial communities were used in these experiments, comprising 14 different sac...

journal_title：Journal of applied microbiology

authors： Newton DF,Cummings JH,Macfarlane S,Macfarlane GT

更新日期：1998-08-01 00:00:00

abstract：:Cattle and other animals infected by Salmonella can emit high numbers of these bacteria. To determine an effective means for reducing this bacterial group in animal slurry, samples were subjected to aeration in laboratory experiments and in farm-scale slurry tanks. A clear reduction in Salmonella levels was found in l...

journal_title：Journal of applied microbiology

authors： Heinonen-Tanski H,Niskanen EM,Salmela P,Lanki E

更新日期：1998-08-01 00:00:00

abstract：:Nineteen different strains of lactobacilli, lactococci, streptococci and propionibacteria commonly used as dairy starter cultures were tested for their ability to produce conjugated linoleic acid (CLA) from free linoleic acid in vitro. Two strains of Propionibacterium freudenreichii ssp. freudenreichii and one strain ...

journal_title：Journal of applied microbiology

authors： Jiang J,Björck L,Fondén R

更新日期：1998-07-01 00:00:00

abstract：:Antifungal metabolites produced by Bacillus pumilus in Potato Dextrose Broth (PDB) were isolated from culture supernatant fluid by precipitation with ammonium sulphate. The antifungal metabolites inhibited mycelial growth of many species of Aspergillus, Penicillium and Fusarium. They also inhibited production of aflat...

journal_title：Journal of applied microbiology

authors： Munimbazi C,Bullerman LB

更新日期：1998-06-01 00:00:00

abstract：:The hygienic performances of the carcass dressing processes at 10 beef packing plants were assessed from small sets of microbiological data. For each process, a single sample was obtained from a randomly selected site on each of 25 randomly selected beef sides leaving the process. In addition, during a period of about...

journal_title：Journal of applied microbiology

authors： Gill CO,Deslandes B,Rahn K,Houde A,Bryant J

更新日期：1998-06-01 00:00:00

abstract：:A series of experiments is reported to identify and characterize the inactivation process in operation when drinking water, heavily contaminated with a Kenyan isolate of Escherichia coli, is stored in transparent plastic bottles that are then exposed to sunlight. The roles of optical and thermal inactivation mechanism...

journal_title：Journal of applied microbiology

authors： McGuigan KG,Joyce TM,Conroy RM,Gillespie JB,Elmore-Meegan M

更新日期：1998-06-01 00:00:00

abstract：:A Gram-positive rod was isolated from a commercial grape wine undergoing a sluggish/stuck alcoholic fermentation. The organism produced L-lactic acid from glucose, possessed weak catalase activity, and fermented relatively few carbohydrates, i.e. glucose, fructose, sucrose, raffinose (weakly) and mannitol. The 16S rRN...

journal_title：Journal of applied microbiology

authors： Edwards CG,Haag KM,Collins MD,Hutson RA,Huang YC

更新日期：1998-05-01 00:00:00

abstract：:A rhamnolipid-producing strain of Pseudomonas aeruginosa GL1 was isolated from a bacterial community growing on a mixture of polycyclic aromatic hydrocarbons (PAH) as sole carbon source. Strain GL1 did not grow on PAH but grew on known degradation metabolites of phenanthrene (O-phthalic acid) and of naphthalene (salic...

journal_title：Journal of applied microbiology

authors： Arino S,Marchal R,Vandecasteele JP

更新日期：1998-05-01 00:00:00

abstract：:Differences in opacity between wells of a microtitre plate containing different volumes of inoculated growth medium reflected planktonic growth without any contribution from cells attached at the well surface. Simple algebra and a knowledge of the dependence of optical density upon sample path length (volume) for susp...

journal_title：Journal of applied microbiology

authors： Das JR,Bhakoo M,Jones MV,Gilbert P

更新日期：1998-05-01 00:00:00

abstract：:The distribution of micro-organisms in mature Serra, a traditional Portuguese cheese made from unpasteurised ewes' milk without added starter culture, was examined by light microscopy and electron microscopy. Four populations of micro-organisms were recognized according to their position within the cheese: (i) those p...

journal_title：Journal of applied microbiology

authors： Parker ML,Gunning PA,Macedo AC,Malcata FX,Brocklehurst TF

更新日期：1998-04-01 00:00:00

abstract：:Grab samples of drinking water collected from reservoirs and from creeks flowing over pristine land, farmland or land having mixed use were analysed for their physicochemical and microbiological characteristics. A significant difference between sites for conductivity and sites for pH was noted using a two-way ANOVA. N...

journal_title：Journal of applied microbiology

authors： Thurman R,Faulkner B,Veal D,Cramer G,Meiklejohn M

更新日期：1998-04-01 00:00:00

abstract：:Of 10 strains of mannanase-producing anaerobic bacteria isolated from soils and methanogenic sludges, Clostridium tertium KT-5A, which was isolated from lotus soil, produced high amounts of extracellular beta-1,4-mannanase. The isolate was an aerotolerant anaerobe without quinon systems; the cell growth cultivated wit...

journal_title：Journal of applied microbiology

authors： Kataoka N,Tokiwa Y

更新日期：1998-03-01 00:00:00

abstract：:The combined effects of pH, water activity (aw), oxygen (O2) and carbon dioxide (CO2) levels on growth and sporulation of 10 common food-borne fungi were studied. The use of a multivariate statistical method (PLS) for the analysis of data showed that the fungi could be grouped according to their physiological response...

journal_title：Journal of applied microbiology

authors： Haasum I,Nielsen PV

更新日期：1998-03-01 00:00:00

abstract：:Basil essential oils, including basil sweet linalool (BSL) and basil methyl chavicol (BMC), were screened for antimicrobial activity against a range of Gram-positive and Gram-negative bacteria, yeasts and moulds using an agar well diffusion method. Both essential oils showed antimicrobial activity against most of the ...

journal_title：Journal of applied microbiology

authors： Wan J,Wilcock A,Coventry MJ

更新日期：1998-02-01 00:00:00

abstract：:Thirty isolates of Listeria monocytogenes and 18 of L. innocua obtained from different short-ripened cheeses manufactured in Asturias (northern Spain), were compared with each other and with reference strains using serotype, phage type and pulsed-field restriction endonuclease digestion profiles analysis of the total ...

journal_title：Journal of applied microbiology

authors： Margolles A,Mayo B,de los Reyes-Gavilán CG

更新日期：1998-02-01 00:00:00

abstract：:The study of wild strains from natural habitats is a useful means of understanding better the heterogeneity within a species of biotechnological importance, and of obtaining atypical isolates with unknown capabilities. In the present research carried out on different Lactobacillus helveticus strains isolated from natu...

journal_title：Journal of applied microbiology

authors： Fortina MG,Nicastro G,Carminati D,Neviani E,Manachini PL

更新日期：1998-01-01 00:00:00

abstract：:An extracellular phenolic acid esterase produced by the fungus Penicillium expansum in solid state culture released ferulic and rho-coumaric acid from methyl esters of the acids, and from the phenolic-carbohydrate esters O-[5-O-(trans-feruloyl)-alpha-L-arabinofuranosyl]-(1-->3)-O-beta- D-xylopyranosyl-(1-->4)-D-xylopy...

journal_title：Journal of applied microbiology

authors： Donaghy J,McKay AM

更新日期：1997-12-01 00:00:00

abstract：:Sixteen bacterial strains isolated from an activated sludge and Mycobacterium ssp. PYR-1 were tested for their ability to degrade polyaromatic hydrocarbons (PAHs). The bacterial strains Pasteurella ssp. (B-2) and Mycobacterium ssp. PYR-1 (AM) showed a high biodegradation potential of three- and four-ring PAHs. Bacteri...

journal_title：Journal of applied microbiology

authors： Sepic E,Bricelj M,Leskovsek H

更新日期：1997-11-01 00:00:00

abstract：:Bacterial isolates from bean-sprouts were screened for anti-Listeria monocytogenes bacteriocins using a well diffusion method. Thirty-four of 72 isolates inhibited the growth of L. monocytogenes Scott A. One, HPB 1688, which had the biggest inhibition zone against L. monocytogenes Scott A, was selected for subsequent ...

journal_title：Journal of applied microbiology

authors： Cai Y,Ng LK,Farber JM

更新日期：1997-10-01 00:00:00

abstract：:NaCl-tolerant lactic acid bacteria (LAB) strains LC-10 (Lactobacillus casei) and LP-15 (Lact. plantarum) and NaCl were used as additives to sorghun (Sorghum bicolor). Numbers of LAB were significantly (P < 0.05) higher in all the additive-treated silages than in the control silage at an early stage of ensiling. During...

journal_title：Journal of applied microbiology

authors： Cai Y,Ohmomo S,Ogawa M,Kumai S

更新日期：1997-09-01 00:00:00

abstract：:The bactericidal activity of three bacteriocin-producing lactic acid bacteria alone and in combination with milk lactoperoxidase (LP) system activation against Listeria monocytogenes in refrigerated raw milk was studied. After 4 d at 4 degrees C, the population of L. monocytogenes in milk inoculated with bacteriocin-p...

journal_title：Journal of applied microbiology

authors： Rodríguez E,Tomillo J,Nuñez M,Medina M

更新日期：1997-09-01 00:00:00

abstract：:The rumen contents of red deer (Cervus elaphus) were used to isolate bacterial capable of fermenting glycerol. The biochemistry, physiology, morphology and phylogeny of one isolate were studied in detail. The isolate (DR3) was tentatively identified as a strain of the species Klebsiella planticola as based on phenotyp...

journal_title：Journal of applied microbiology

authors： Jarvis GN,Moore ER,Thiele JH

更新日期：1997-08-01 00:00:00

abstract：:Techniques for the separation/concentration of micro-organisms from background food matrices can be applied to increase the speed of analysis and ease of isolation and detection of target micro-organisms. One recent example of such a technique is the immunomagnetic separation (IMS) procedure that has been used for the...

journal_title：Journal of applied microbiology

authors： Bennett AR,Davids FG,Vlahodimou S,Banks JG,Betts RP

更新日期：1997-08-01 00:00:00

abstract：:Raw milk from 27 farms was sampled over 6 months for listerias, salmonellas, Yersinia enterocolitica and campylobacters. Total bacterial counts and somatic cell counts were measured. Lactococci, lactobacilli, dextran-producing leuconostocs, Brevibacterium linens, yeasts and moulds, Staphylococcus aureus and other Micr...

journal_title：Journal of applied microbiology

authors： Desmasures N,Bazin F,Guéguen M

更新日期：1997-07-01 00:00:00

abstract：:The survival of Bacteroides thetaiotaomicron strain BTX under rumen-simulating conditions was studied. Strain BTX is a recombinant variant of strain 5482 engineered for the production of high levels of xylanase, an enzyme important in the degradation of hemicellulose. Strain BTX was not inhibited by compounds present ...

journal_title：Journal of applied microbiology

authors： Cotta MA,Whitehead TR,Rasmussen MA

更新日期：1997-06-01 00:00:00

abstract：:An environmental soil survey to detect Burkholderia pseudomallei was performed during the dry and wet seasons in Darwin, Northern Territory, Australia. Soil was sampled at regular intervals during a 15-month period at different depths from areas which were representative of the local, soil environment. Selective cultu...

journal_title：Journal of applied microbiology

authors： Brook MD,Currie B,Desmarchelier PM

更新日期：1997-05-01 00:00:00

abstract：:The effect of yoghurt culture Rx on the survival of Staphylococcus aureus CCM 5984 added to milk in various concentrations was observed during the fermentation and storage of yoghurt. The end of the fermentation process (3.5 h) was only accompanied by a slight reduction. During the storage of yoghurt at 4 degrees C a ...

journal_title：Journal of applied microbiology

authors： Pazakova J,Turek P,Laciakova A

更新日期：1997-05-01 00:00:00

abstract：:Heterotrophic plate count (HPC) bacteria are naturally present in all aqueous environments. These bacteria undergo multiplication cycles in drinking water, especially in closed containers (bottled water) or in tap water when chlorine levels are dissipated, such as in dead ends in water mains or household plumbing. A s...

journal_title：Journal of applied microbiology

authors： Edberg SC,Kops S,Kontnick C,Escarzaga M

更新日期：1997-04-01 00:00:00

abstract：:Levels of somatic and F-specific coliphages, and phages infecting Bacteroides fragilis were measured in 257 samples collected in different freshwater environments with different levels and characteristics of faecal pollution. In samples with recent pollution of domestic origin, the numbers of the three groups of phage...

journal_title：Journal of applied microbiology

authors： Araujo RM,Puig A,Lasobras J,Lucena F,Jofre J

更新日期：1997-03-01 00:00:00

abstract：:We report a quantitative PCR which utilizes primers from a conserved 23S rDNA sequence identified in nine different spoilage bacteria commonly present in meat. The PCR detected the spoilage bacteria by amplifying a specific 207 bp sequence from their chromosomal DNA. Quantification of PCR product by electrochemilumine...

journal_title：Journal of applied microbiology

authors： Venkitanarayanan KS,Faustman C,Crivello JF,Khan MI,Hoagland TA,Berry BW

更新日期：1997-03-01 00:00:00