Antibacterial activity of chemotherapeutic drugs against Escherichia coli and Staphylococcus pseudintermedius.

abstract：UNLABELLED:The objective of this study was to evaluate the effect of different caffeine concentrations (0-4%) on (i) lag phase prior to growth, (ii) growth rates and (iii) ochratoxin A (OTA) production by strains from the Aspergillus section Circumdati and Aspergillus section Nigri groups, isolated from coffee, when gr...

journal_title：Letters in applied microbiology

authors： Akbar A,Medina A,Magan N

更新日期：2016-07-01 00:00:00

abstract：AIMS:To compare the effects of five yeast probiotic formulations on viability, revival and washout kinetic in the digestive tract of mice, and the protection against an experimental infection with Salmonella enterica serovar Typhimurium. METHODS AND RESULTS:The number of viable cells in five commercial probiotic produ...

journal_title：Letters in applied microbiology

authors： Martins FS,Veloso LC,Arantes RM,Nicoli JR

更新日期：2009-12-01 00:00:00

abstract：AIMS:To determine the underlying substrate utilization mechanism in the logistic equation for batch microbial growth by revealing the relationship between the logistic and Monod kinetics. Also, to determine the logistic rate constant in terms of Monod kinetic constants. METHODS AND RESULTS:The logistic equation used t...

journal_title：Letters in applied microbiology

authors： Kargi F

更新日期：2009-04-01 00:00:00

abstract：:The growth of pure cultures of Clostridium perfringens (ATCC 12922) and Cl. sporogenes (PA 3679) in five non-selective media, fluid thioglycollate medium (FTM), rapid perfringens medium (RPM), Columbia broth Malthus (CBM), reinforced clostridial medium (RCM) and lactose sulphite (LS), was monitored using conductance m...

journal_title：Letters in applied microbiology

authors： Dromigny E,Bourrion F,Rugraf Y,Bolton FJ,Leden N

更新日期：1997-01-01 00:00:00

abstract：:The bacterial diversity and community structure involved in Chinese sauerkraut is one of the most important factors shaping the final characteristics of traditional foods. In this research, Lactobacillus casei 11MZ-5-1 was applied in Chinese sauerkraut fermentation as a starter culture. Illumina Miseq sequencing analy...

journal_title：Letters in applied microbiology

authors： Du R,Ge J,Zhao D,Sun J,Ping W,Song G

更新日期：2018-01-01 00:00:00

abstract：AIM:The biotransformation of pentoxifylline (PTX), propentofylline (PPT) and their racemic hydroxy metabolites ((+/-)-OHPTX and (+/-)-OHPPT) by using the fungus Cunninghamella echinulata NRRL 1384. METHODS AND RESULTS:A fungus Cunninghamella echinulata NRRL 1384 was used to catalyse the (S)-selective oxidation of the ...

journal_title：Letters in applied microbiology

authors： Pekala E,Kochan M,Carnell AJ

更新日期：2009-01-01 00:00:00

abstract：AIMS:The objective of this work was to purify the tyrosinase from Bacillusthuringiensis subsp. kurstaki (Bt) (CCTCC AB 90010) and study its enzymatic properties. METHODS AND RESULTS:A 'one-step' purification method was used in this work, which was an easy, high-yield purification method. Tyrosinase activity of this pu...

journal_title：Letters in applied microbiology

authors： Liu N,Zhang T,Wang YJ,Huang YP,Ou JH,Shen P

更新日期：2004-01-01 00:00:00

abstract：AIMS:Enzyme kinetics of purified laccases from six different Pleurotus ostreatus strains were determined in the oxidation of syringaldazine, guaiacol and ABTS. METHODS AND RESULTS:Significant differences in the kinetic constants were found. Catalytic activity (kcat) ranged from 19 to 941 U mg(-1) for syringaldazine, f...

journal_title：Letters in applied microbiology

authors： Tinoco R,Pickard MA,Vazquez-Duhalt R

更新日期：2001-05-01 00:00:00

abstract：:Nineteen strains of vancomycin-resistant Enterococcus faecium isolated from 10 of 75 (13.3%) tenderloin beef samples were examined for resistance to selected antibiotics, presence of plasmids, and genetic diversity by random amplification of polymorphic DNA analysis. All strains showed multiple resistant to the antibi...

journal_title：Letters in applied microbiology

authors： Son R,Nimita F,Rusul G,Nasreldin E,Samuel L,Nishibuchi M

更新日期：1999-08-01 00:00:00

abstract：:Shiga toxin-producing Escherichia coli (STEC) O157:H7 is a worldwide concern. Cattle are their main reservoir and may contaminate watercourses through manure. We characterized a collection of 38 STEC O157:H7 strains isolated from surface water in feedlots areas (puddles inside pens formed after the rainfall or by spil...

journal_title：Letters in applied microbiology

authors： Tanaro JD,Pianciola LA,D'Astek BA,Piaggio MC,Mazzeo ML,Zolezzi G,Rivas M

更新日期：2018-06-01 00:00:00

abstract：AIMS:The aim of this study was to determine the antimicrobial and antiadhesive properties of a biosurfactant isolated from Lactobacillus paracasei ssp. paracasei A20 against several micro-organisms, including Gram-positive and Gram-negative bacteria, yeasts and filamentous fungi. METHODS AND RESULTS:Antimicrobial and ...

journal_title：Letters in applied microbiology

authors： Gudiña EJ,Rocha V,Teixeira JA,Rodrigues LR

更新日期：2010-04-01 00:00:00

abstract：AIMS:This study was aimed to investigate the effectiveness of high-pressure homogenization (HPH) against Alicyclobacillus acidoterrestris. METHODS AND RESULTS:The susceptibility of three different strains of A. acidoterrestris (DSMZ 2498, Gamma4 and c8) to HPH (500-1700 bar) was studied. The experiments were performed...

journal_title：Letters in applied microbiology

authors： Bevilacqua A,Cibelli F,Corbo MR,Sinigaglia M

更新日期：2007-10-01 00:00:00

abstract：AIMS:Alpha-galactosidase is applied in food and feed industries for hydrolysing raffinose series oligosaccharides (RO) that are the factors primarily responsible for flatulence upon ingestion of soybean-derived products. The objective of the current work was to develop an optimal culture medium for the production of al...

journal_title：Letters in applied microbiology

authors： Liu CQ,Chen QH,Tang B,Ruan H,He GQ

更新日期：2007-08-01 00:00:00

abstract：AIMS:The risk of hepatitis C virus infection in hospital environments can be assessed not only by studying epidemiological data and work practices, but also by the detection of these viruses (or indicators thereof) in health-care settings, on instruments etc. METHODS:Since standardized techniques specific to this end ...

journal_title：Letters in applied microbiology

authors： Carducci A,Verani M,Casini B,Giuntini A,Mazzoni F,Rovini E,Passaglia A,Giusti L,Valenza A,Lombardi R

更新日期：2002-01-01 00:00:00

abstract：:The Andrias davidianus has been known as a traditional Chinese medicine for a long time. Its blood is considered as a waste or by-product of the meat production industry. Although there are reports on isolation of the antimicrobial peptides from different resources, there are no reports of their isolation from A. davi...

journal_title：Letters in applied microbiology

authors： Pei J,Feng Z,Ren T,Sun H,Han H,Jin W,Dang J,Tao Y

更新日期：2018-01-01 00:00:00

abstract：AIMS:A commercial biochemical panel ID kit was used to identify presumptive enterococci isolates of veterinary or agricultural origin obtained during different steps of culture. METHODS AND RESULTS:Fifty isolates identified as enterococci using a genus PCR assay were tested for genus and species identification using t...

journal_title：Letters in applied microbiology

authors： Hudson CR,Fedorka-Cray PJ,Jackson-Hall MC,Hiott LM

更新日期：2003-01-01 00:00:00

abstract：:Entamoeba histolytica and Entamoeba dispar are two microscopically indistinguishable amoebae living in the human colon. The former is a pathogen, whereas the latter is a nonpathogenic commensal. Using a model system of in vitro cocultures and PCR detection of the Entamoeba species, we found that the nonpathogenic spec...

journal_title：Letters in applied microbiology

authors： Pysova I,Tumova P,Tolarova V,Nohynkova E

更新日期：2009-04-01 00:00:00

abstract：AIMS:The purpose of this study was to determine if DNA polymorphisms generated by RAPD-PCR could be used to characterize Group B streptococci (GBS) for epidemiological purposes. METHODS AND RESULTS:30 unrelated, previously serotyped strains were analysed by RAPD-PCR using two 10-mer primers (5' TGCGAGAGTC 3' and 5' AG...

journal_title：Letters in applied microbiology

authors： Zhang GW,Kotiw M,Daggard G

更新日期：2002-01-01 00:00:00

abstract：:Desulfovibrio desulfuricans ATCC 27774 was screened for reactivity against aromatic compounds during lactate-dependent, nitrate-dissimilating growth. Only aromatic aldehydes (benzaldehyde, 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde, vanillin, iso-vanillin and o-vanillin) were reactive and, wit...

journal_title：Letters in applied microbiology

authors： Parekh M,Drake HL,Daniel SL

更新日期：1996-02-01 00:00:00

abstract：:A 24 h period in waste waters improved the subsequent survival of Salmonella in oligotrophic sea water, at 20 degrees C, compared to a direct input control. The main osmoprotective compound accumulated, investigated by 1H-NMR spectroscopy (nuclear magnetic resonance), after 6 d in sea water was trehalose. Taking into ...

journal_title：Letters in applied microbiology

authors： Dupray E,Derrien A,Pichon R

更新日期：1995-03-01 00:00:00

abstract：AIM:To compare the incidence of antimicrobial resistance among Salmonella serotypes isolated in a pig slaughterhouse in Zaragoza (Spain) during 1993 and 2001. METHODS AND RESULTS:A total of 168 isolates representing 10 serotypes were examined by disc diffusion method using 17 antibiotics. Data showed that the majority...

journal_title：Letters in applied microbiology

authors： Agustín AI,Carramiñana JJ,Rota C,Herrera A

更新日期：2005-01-01 00:00:00

abstract：AIMS:The aim of this study was to detect the main pathogenic human RNA enteric viruses able to persist in the environment such as astrovirus, enterovirus, norovirus and hepatitis A virus (HAV) in shellfish collected from two locations in northern Tunisia. METHODS AND RESULTS:Viruses were eluted from digestive tissues ...

journal_title：Letters in applied microbiology

authors： Elamri DE,Aouni M,Parnaudeau S,Le Guyader FS

更新日期：2006-10-01 00:00:00

abstract：:The marine antimicrobial peptide NZ17074, a variant of arenicin-3 from Arenicola marina that has broad antimicrobial activity and high bioavailability, can be designed to treat bacterial and fungal diseases. To reduce the toxicity of NZ17074, N6 was designed by replacing a cysteine in positions 3 and 20 with alanine, ...

journal_title：Letters in applied microbiology

authors： Yang N,Wang X,Teng D,Mao R,Hao Y,Feng X,Wang J

更新日期：2017-09-01 00:00:00

abstract：:Washed Escherichia coli ATCC11775 cells were killed by (-)-epigallocatechin (EGC) in the presence of a non-lethal concentration of Cu2+ (1 mumol l-1) without additional H2O2, but not by (-)-epicatechin (EC). EGC alone (< 0.1 mmol l-1) did not reduce the viability of the cells. The survival curve obtained in the presen...

journal_title：Letters in applied microbiology

authors： Kimura T,Hoshino N,Yamaji A,Hayakawa F,Ando T

更新日期：1998-12-01 00:00:00

abstract：AIMS:To develop an assay for rapid screening of bacterial adhesion to various groups of biomolecules present in fish mucus. METHODS AND RESULTS:A novel assay was developed for investigation of bacterial adhesion to various groups of mucus biomolecules from fish. Lipid-, protein-, carbohydrate- and nucleic acid-rich co...

journal_title：Letters in applied microbiology

authors： Tkachenko A,Da Silva L,Hearne J,Parveen S,Waguespack Y

更新日期：2013-01-01 00:00:00

abstract：:Heat-resistant fungi occur sporadically and are a continuing problem for the food and beverage industry. The genus Talaromyces, as a typical fungus, is capable of producing the heat-resistant ascospores responsible for the spoilage of processed food products. Isocitrate lyase, a signature enzyme of the glyoxylate cycl...

journal_title：Letters in applied microbiology

authors： Yamashita S,Nakagawa H,Sakaguchi T,Arima TH,Kikoku Y

更新日期：2018-01-01 00:00:00

abstract：:Pinellia ternata is a traditional Chinese herb that has been shown to suffer from continuous cropping. Deterioration in continuous P. ternata cropping soils and the effect of alteration of crop rotation on the soil were evaluated by using Illumina high-throughput sequencing technology. Soil physicochemical properties ...

journal_title：Letters in applied microbiology

authors： He Z,Chen H,Liang L,Dong J,Liang Z,Zhao L

更新日期：2019-06-01 00:00:00

abstract：:A method for the diagnosis of mycobacterial infections by PCR amplification followed by selective restriction enzyme digestion of the PCR product was developed. The amplified DNA sequence used in this study occurs within the gene encoding for the mycobacterial 65 kDa heat shock protein (Hance et al. 1989), which is fo...

journal_title：Letters in applied microbiology

authors： Rodrigo G,Källenius G,Hoffmann E,Svenson SB

更新日期：1992-08-01 00:00:00

abstract：:While the beta-glucuronidase activity of intact cells of Clostridium perfringens was higher in 0.95% sodium chloride (NaCl) than that in 0, 0.1 or 0.5%, that of Escherichia coli was higher in 0.1% NaCl than that in 0, 0.5 or 0.95% NaCl in 0.1 mol l-1 KH2PO4. However, the enzyme activity of both species of intact cells...

journal_title：Letters in applied microbiology

authors： Fujisawa T,Aikawa K,Takahashi T,Yamai S

更新日期：2000-09-01 00:00:00

abstract：AIMS:From a survey of submerged culture of edible mushrooms, a high pigment-producing fungus Paecilomyces sinclairii was selected and its optimal culture conditions investigated. METHODS AND RESULTS:The optimal culture conditions for pigment production were as follows: inoculum age, 3 d; temperature, 25 degrees C; ini...

journal_title：Letters in applied microbiology

authors： Cho YJ,Park JP,Hwang HJ,Kim SW,Choi JW,Yun JW

更新日期：2002-01-01 00:00:00