Pyrimidine synthesis in Burkholderia cepacia ATCC 25416.

abstract：AIMS:To evaluate the effect of oregano essential oil on Listeria monocytogenes cytoplasmic membrane. METHODS AND RESULTS:Nitroxide free-radical Electron Paramagnetic Resonance was applied on L. monocytogenes after 30 min exposure to oregano essential oil concentrations ranging from 0 to 1.25%. The impact of essential ...

journal_title：Letters in applied microbiology

authors： Serio A,Chiarini M,Tettamanti E,Paparella A

更新日期：2010-08-01 00:00:00

abstract：AIM:To investigate the viability, surface characteristics and ability of spores of a Geobacillus sp. isolated from a milk powder production line to adhere to stainless steel surfaces before and after a caustic (NaOH) wash used in clean-in-place regimes. METHODS AND RESULTS:Exposing sessile spores to 1% NaOH at 65°C fo...

journal_title：Letters in applied microbiology

authors： Brent Seale R,Flint SH,James McQuillan A,Bremer PJ

更新日期：2011-02-01 00:00:00

abstract：AIMS:We propose to apply the Wirtz-Conklin staining technique to evaluate spore germination. METHODS AND RESULTS:Spores at different stages of germination were stained with modified spore stain (Wirtz-Conklin) and evaluated for staining properties. Bacillus spores suspended in deionized water, which does not support g...

journal_title：Letters in applied microbiology

authors： Hamouda T,Shih AY,Baker JR Jr

更新日期：2002-01-01 00:00:00

abstract：AIMS:In this study, a capillary polymerase chain reaction (cPCR) was applied for Salmonella detection from poultry meat. METHODS AND RESULTS:Salmonella detection limits of the optimized cPCR were determined with DNA templates from the samples of tetrathionate broth (TTB), Rappaport Vassiliadis broth (RVB) and selenite...

journal_title：Letters in applied microbiology

authors： Gunaydin E,Eyigor A,Carli KT

更新日期：2007-01-01 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：AIMS:To test the efficacy of Lactobacillus johnsonii FI9785 in reducing the colonization and shedding of Salmonella enterica serotype Enteritidis, Escherichia coli O78:K80 and Clostridium perfringens in poultry. METHODS AND RESULTS:Specific pathogen-free chicks (1 day old) were dosed with a single oral inoculum of 1x1...

journal_title：Letters in applied microbiology

authors： La Ragione RM,Narbad A,Gasson MJ,Woodward MJ

更新日期：2004-01-01 00:00:00

abstract：:A rapid and simple method (24M) using 24 well microtitre plates was developed to determine the presence of Listeria monocytogenes or Listeria spp. in food samples. The 24M was composed of two 24 well microtitre plates connected with a yellow tip. The 24M was evaluated with pathogen cocktails and ground beef samples an...

journal_title：Letters in applied microbiology

authors： Kang DH,Fung DY

更新日期：1999-04-01 00:00:00

abstract：AIMS:Haloarchaeal proteases function optimally in high salt (low water activity); thus, they offer an advantage over the nonhalophilic counterparts as biocatalysts for protease-catalysed peptide synthesis. The haloalkaliphilic archaeon Natrialba magadii secretes a solvent-tolerant protease, Nep (Natrialba magadii extra...

journal_title：Letters in applied microbiology

authors： Ruiz DM,Iannuci NB,Cascone O,De Castro RE

更新日期：2010-12-01 00:00:00

abstract：AIM:To determine whether assessing the penetration of solutions with different concentrations of ethanol (alcohol percentage test: APT) on fungal surfaces is effective in characterization of hydrophobicity on fungal surfaces. METHODS AND RESULTS:APT and contact angle (CA) measurements were conducted on nine hydrophobi...

journal_title：Letters in applied microbiology

authors： Chau HW,Goh YK,Si BC,Vujanovic V

更新日期：2010-03-01 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：:The Crystal Enteric/Nonfermenter (E/NF) identification kit (Becton Dickinson Microbiology Systems, USA) was evaluated using water-derived bacterial isolates and results compared to those obtained by the API 20E system (BioMérieux, UK). Both the E/NF and 20E systems correctly identified 93% of the Enterobacteriaceae re...

journal_title：Letters in applied microbiology

authors： Micklewright IJ,Sartory DP

更新日期：1995-09-01 00:00:00

abstract：AIMS:Real-time reverse transcription-polymerase chain reaction (RT-PCR) assay based on a TaqMan-minor groove binder (MGB) probe was developed for the rapid detection of avian influenza virus subtype H5. METHODS AND RESULTS:Conserved regions in the haemagglutinin genes of avian influenza viruses subtype H5 served as ta...

journal_title：Letters in applied microbiology

authors： Lu YY,Yan JY,Feng Y,Xu CP,Shi W,Mao HY

更新日期：2008-01-01 00:00:00

abstract：:Yellow wine lees (YWL) are the main co-products in yellow wine industry with unbalanced amino acid (AA) profiles. Solid-state fermentation was employed in this study to upgrade the YWL for ruminant animals. A 3 × 3 orthogonal design was conducted to optimize the fermentation condition for optimal crude protein (CP) yi...

journal_title：Letters in applied microbiology

authors： Yao KY,Zhang TZ,Wang HF,Liu JX

更新日期：2018-12-01 00:00:00

abstract：AIMS:The present work aimed to design an optimized medium to yield a higher production of glycosides by Pseudoalteromonas issachenkonii KMM 3549(T). METHODS AND RESULTS:Higher levels of fucoidan hydrolase, alginase, laminaranase and b-N-acetylglucosaminidase production were obtained with peptone concentrations ranging...

journal_title：Letters in applied microbiology

authors： Alexeeva YV,Ivanova EP,Bakunina IY,Zvaygintseva TN,Mikhailov VV

更新日期：2002-01-01 00:00:00

abstract：AIMS:Saccharomyces cerevisiae was used for studying the physiological effects of hydrostatic pressure. METHODS AND RESULTS:The effects of hydrostatic pressure on the ultrastructure of wild-type and trehalose-6-phosphate synthase (tps1) mutant cells were investigated by transmission electron microscopy. Pressure induce...

journal_title：Letters in applied microbiology

authors： Fernandes PM,Farina M,Kurtenbach E

更新日期：2001-01-01 00:00:00

abstract：:A strain of Bacillus thuringiensis, STB-1, toxic against Spodoptera exigua, was isolated. Bacillus thuringiensis STB-1 produced bipyramidal inclusions and reacted with the H antiserum of B. thuringiensis ssp. kurstaki. The plasmid and protein profiles of B. thuringiensis STB-1 were compared with those of its reference...

journal_title：Letters in applied microbiology

authors： Chang JH,Roh JY,Je YH,Park HW,Jin BR,Woo SD,Kang SK

更新日期：1998-05-01 00:00:00

abstract：:The metabolism of glucose was studied in Lactococcus lactis subsp. CNRZ 125 by 13C NMR. The initial rate of glucose utilization was higher for exponential phase cells than for stationary phase cells [150 vs 85 nmol g (dry wt)-1 s -1]. 31P NMR was used to determine changes in glycolytic phosphorylated intermediates (fr...

journal_title：Letters in applied microbiology

authors： Foucaud C,Herve M,Neumann JM,Hemme D

更新日期：1995-07-01 00:00:00

abstract：AIM:The aim of this work was to evaluate the effect of Planococcus ficus infection in red wine grapes on Aspergillus section Nigri and ochratoxin A (OTA) contamination. METHODS AND RESULTS:During 2006/2007 and 2008/2009 vintages, Merlot, Malbec and Cabernet Sauvignon varieties divided into two categories of grape samp...

journal_title：Letters in applied microbiology

authors： Chiotta ML,Ponsone ML,Torres AM,Combina M,Chulze SN

更新日期：2010-08-01 00:00:00

abstract：:Species of Aspergillus section Nigri are not easily distinguished by traditional morphological techniques, and typically are identified by DNA sequencing methods. We developed four PCR primers to distinguish between Aspergillus niger, Aspergillus welwitschiae, Aspergillus carbonarius and Aspergillus tubingensis, based...

journal_title：Letters in applied microbiology

authors： Palumbo JD,O'Keeffe TL

更新日期：2015-02-01 00:00:00

abstract：AIMS:Immunologically based assays for the detection of staphylococcal enterotoxins are numerous. These techniques include radio immunosorbent assays and enzyme-linked immunosorbent assays (ELISA), some of which are available as commercial kits. The purpose of this study was to compare the performances of three commerci...

journal_title：Letters in applied microbiology

authors： Vernozy-Rozand C,Mazuy-Cruchaudet C,Bavai C,Richard Y

更新日期：2004-01-01 00:00:00

abstract：:Fifty-five isolates of nine species and two species varieties (5 isolates each) of the Aspergillus niger group were tested for progesterone transformation. Generally, all isolates of the different species transformed progesterone to 21-hydroxyprogesterone. In addition, the isolates of seven species have the capacity t...

journal_title：Letters in applied microbiology

authors： Mostafa ME

更新日期：1995-04-01 00:00:00

abstract：UNLABELLED:This is the first reported study on the immobilization of living recombinant Escherichia coli cells that overexpress cyclopentanone monooxygenase in polyvinyl alcohol gel particles LentiKats®. Immobilized cells overexpressing cyclopentanone monooxygenase have been used as a model of biocatalyst for enantiose...

journal_title：Letters in applied microbiology

authors： Rebroš M,Lipták L,Rosenberg M,Bučko M,Gemeiner P

更新日期：2014-06-01 00:00:00

abstract：:Leclercia adecarboxylata, a Gram-negative bacillus of family Enterobacteriaceae, is an uncommonly identified pathogen isolated from environmental and clinical specimens. Most of the human infections are polymicrobial and commonly occur in immunocompromised hosts, although nosocomial infections in immunocompetent hosts...

journal_title：Letters in applied microbiology

authors： Choudhary M,Choudhary BK,Bhoyar S,Kale SB,Chaudhari SP,Bera BC,Jain A,Barbuddhe SB

更新日期：2018-01-01 00:00:00

abstract：AIMS:Transmission of microbial pathogens to patients from water in dental units is a concern. To reduce this risk, the decontaminating efficiency of hydrogen peroxide was evaluated. METHODS AND RESULTS:Three percent hydrogen peroxide diluted 1 : 4 in distilled water (contact time 15 min) was used daily to disinfect th...

journal_title：Letters in applied microbiology

authors： Zanetti F,De Luca G,Tarlazzi P,Stampi S

更新日期：2003-01-01 00:00:00

abstract：:Colistin-resistant Pseudomonas aeruginosa (CRPA), as a health care system threat, is increasing globally. This study aimed was to determine CRPA by high-resolution melting curve (HRM) analysis method. The HRM method was done on standard strains of P. aeruginosa and CRPA strains. Ninefold serial dilutions of known geno...

journal_title：Letters in applied microbiology

authors： Tahmasebi H,Dehbashi S,Arabestani MR

更新日期：2020-04-01 00:00:00

abstract：:Candida-associated denture stomatitis presents as erythema of the palatal mucosa and is caused by biofilms containing the fungus Candida albicans that co-reside with oral bacteria on the denture-fitting surface. This study aimed to assess the effect of several frequently encountered oral bacteria on the expression of ...

journal_title：Letters in applied microbiology

authors： Morse DJ,Wilson MJ,Wei X,Bradshaw DJ,Lewis MAO,Williams DW

更新日期：2019-04-01 00:00:00

abstract：UNLABELLED:Fast microbial identification is becoming increasingly necessary in industry to improve microbial control and reduce biocide consumption. We compared the performances of two systems based on MALDI-TOF MS (VITEK MS and BIOTYPER) and two based on biochemical testing (BIOLOG, VITEK 2 Compact) with genetic metho...

journal_title：Letters in applied microbiology

authors： Urwyler SK,Glaubitz J

更新日期：2016-02-01 00:00:00

abstract：UNLABELLED:A : Comparison of two commercial miniaturized rapid systems for the identification of Ralstonia pickettii strains. METHODS AND RESULTS:Varying identification results were encountered using the bioMérieux API NE system and the Remel IDS RapID NF Plus commercial systems for R. pickettii. To compare these two ...

journal_title：Letters in applied microbiology

authors： Adley CC,Saieb FM

更新日期：2005-01-01 00:00:00

abstract：:In this study, a total of 172 putative omega-3 producers were isolated from 28 sediment samples from the Arabian Gulf employing a selective isolation procedure using marine agar containing 0·1% triphenyl tetrazolium chloride (TTC). Out of these 172 isolates, 19 isolates produced eicosapentaenoic acid (EPA) as confirme...

journal_title：Letters in applied microbiology

authors： Alagarsamy S,Sabeena Farvin KH,Fakhraldeen S,Kooramattom MR,Al-Yamani F

更新日期：2019-08-01 00:00:00

abstract：AIMS:To identify and characterize amino acid transport in Leuconostoc mesenteroides. METHODS AND RESULTS:The transport of labelled amino acids was measured in whole cells of Leuc. mesenteroides CNRZ 1273. Systems were operative under physiological conditions of growth, energy dependent and differed from peptide transp...

journal_title：Letters in applied microbiology

authors： Gendrot F,Foucaud-Scheunemann C,Ferchichi M,Hemme D

更新日期：2002-01-01 00:00:00