Isolation of shiga toxin-producing Escherichia coli (STEC) from foods using EHEC agar.

Abstract:

:Enterohaemorrhagic Escherichia coli (EHEC) agar was evaluated for its ability to recover one isolate of each of three serotypes (O157:H7, O26 and O113:H21) of shiga toxin-producing E. coli (STEC) from raw mince, pasteurized milk and salami after enrichment. The method detected around one colony-forming unit (cfu) in 25 ml in milk, but was less sensitive with salami, requiring 10-1000 cfu 25 g-1 (depending on serotype) for detection. In raw minced beef any enterohaemolysin-producing colonies were outnumbered by other colonies and only one of 12 enrichments yielded the inoculum serotype. Additional tests were conducted on 15 retail meat products. One 25-g sample of each product was processed as purchased, while another was inoculated with 157-185 cfu of a cocktail of E. coli O157, O113 and O26 cultures. Recovery was easily achieved with cooked meat products and salami. Recovery from raw minced meat was again difficult, but sometimes possible. Testing more suspect colonies than were tested in this study would presumably increase the sensitivity of the method.

journal_name

Lett Appl Microbiol

authors

Hudson JA,Nicol C,Capill J,Bennett J

doi

10.1046/j.1472-765x.2000.00676.x

subject

Has Abstract

pub_date

2000-02-01 00:00:00

pages

109-13

issue

2

eissn

0266-8254

issn

1472-765X

pii

lam676

journal_volume

30

pub_type

杂志文章
  • Effect of disinfection upon dissolved organic carbon (DOC) in wastewater: bacterial bioassays.

    abstract::Quantitative and qualitative changes in organic matter content of wastewater effluents attributable to chlorination and ozonation have been analysed using bioassays as well as organic carbon direct measures. Bioassays were carried out using the bacterial populations of wastewater and two Escherichia coli strains as te...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1365-2672.2000.00793.x

    authors: Arana I,Santorum P,Muela A,Barcina I

    更新日期:2000-08-01 00:00:00

  • Implementation of real-time PCR to tetrathionate broth enrichment step of Salmonella detection in poultry.

    abstract:AIMS:The present study describes the implementation of real-time PCR to tetrathionate broth enrichment step of Salmonella detection in poultry. METHODS AND RESULTS:Real-time PCR with Salmonella invA-specific primers and a standard bacteriological method was applied to detect Salmonella in tetrathionate enrichment cult...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.2002.01036.x

    authors: Eyigor A,Carli KT,Unal CB

    更新日期:2002-01-01 00:00:00

  • Enumeration of Carnobacterium divergens V41, Carnobacterium piscicola V1 and Lactobacillus brevis LB62 by in situ hybridization-flow cytometry.

    abstract::The specific detection and enumeration of Lactobacillus brevis LB62, Carnobacterium divergens V14 and Carnobacterium piscicola VI were studied by in situ hybridization-flow cytometry. The method was performed on the exponential growth phase with three probes targeting 16S rRNA labelled with fluorescein isothicyanate (...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.1998.t01-3-00449.x

    authors: Connil N,Dousset X,Onno B,Pilet MF,Breuil MF,Montel MC

    更新日期:1998-11-01 00:00:00

  • Detection and molecular characterization of Livestock-Associated MRSA in raw meat on retail sale in North West England.

    abstract::Limited data are available on the prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in the UK. We tested 124 raw meat samples for MRSA including pork (n = 63), chicken (n = 50) and turkey (n = 11) collected from retail outlets in North West England between March and July 2015. MR...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/lam.12709

    authors: Fox A,Pichon B,Wilkinson H,Doumith M,Hill RL,McLauchlin J,Kearns AM

    更新日期:2017-03-01 00:00:00

  • Antimicrobial and antiadhesive properties of a biosurfactant isolated from Lactobacillus paracasei ssp. paracasei A20.

    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

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2010.02818.x

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

    更新日期:2010-04-01 00:00:00

  • Pseudomonas syringae pv. japonica (Mukoo 1955) Dye et al. 1980 is a junior synonym of Ps. syringae pv. syringae van Hall 1902.

    abstract::An investigation of the biochemical, nutritional and pathogenic reactions of strains of Pseudomonas syringae pv. japonica and Ps. syringae pv. syringae showed them to be indistinguishable. Pseudomonas syringae pv. japonica is a junior synonym of Ps. syringae pv. syringae. ...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.1992.tb00744.x

    authors: Young JM

    更新日期:1992-10-01 00:00:00

  • The oxidative stress response in Enterococcus faecalis: relationship between H2O2 tolerance and H2O2 stress proteins.

    abstract::The hydrogen peroxide (H2O2) stress response in Enterococcus faecalis ATCC19433 was investigated. A 2.4 mmol l-1 H2O2 pretreatment conferred protection against a lethal concentration (45 mmol l-1) of this agent. The relatively high concentrations of H2O2 used for adaptation and challenge treatments in Ent. faecalis em...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.1998.00325.x

    authors: Flahaut S,Laplace JM,Frère J,Auffray Y

    更新日期:1998-04-01 00:00:00

  • Growth of Salmonella on sprouting alfalfa seeds as affected by the inoculum size, native microbial load and Pseudomonas fluorescens 2-79.

    abstract:AIMS:To investigate the growth of salmonellae on sprouting alfalfa seeds as affected by the inoculum size, microbial load and Pseudomonas fluorescens 2-79. METHODS AND RESULTS:Alfalfa seeds pre-inoculated with < or =10(1)-10(3) CFU g(-1) of salmonellae and with or without Ps. fluorescens 2-79 were sprouted in glass ja...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2007.02302.x

    authors: Liao CH

    更新日期:2008-02-01 00:00:00

  • Effect of copper hydroxide sprays for citrus canker control on wild-type Escherichia coli.

    abstract:AIMS:  To show that application of copper hydroxide citrus sprays mixed with field source water (possibly contaminated) will not support Escherichia coli on plant surfaces. Environmental stresses of transient phyllosphere bacteria and presence of copper will eradicate these bacteria before harvest. METHODS AND RESULTS...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2011.03179.x

    authors: Narciso JA,Ference CM,Ritenour MA,Widmer WW

    更新日期:2012-02-01 00:00:00

  • Detection of Campylobacter jejuni and Camp. coli in chicken faecal samples by PCR.

    abstract::PCR primers were selected from the flagellin gene sequences flaA and flaB of Campylobacter coli to amplify DNA from Camp. jejuni and Camp. coli. When the PCR products were analysed by hybridization to an internal probe immobilized in microtitre wells, positive reactions were observed only for strains of Camp. jejuni a...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765x.1996.tb00209.x

    authors: Rasmussen HN,Olsen JE,Jørgensen K,Rasmussen OF

    更新日期:1996-11-01 00:00:00

  • Staphylococcus aureus SH1000 and 8325-4: comparative genome sequences of key laboratory strains in staphylococcal research.

    abstract:AIMS:To provide comparative genome sequence data for two related model strains of Staphylococcus aureus (SH1000 and 8325-4) that are used extensively in laboratory research. METHODS AND RESULTS:Comparative genome sequencing was used to identify genetic differences between Staph. aureus SH1000 and the fully genome-sequ...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2010.02885.x

    authors: O'Neill AJ

    更新日期:2010-09-01 00:00:00

  • Development and evaluation of loop-mediated isothermal amplification assay for rapid and sensitive detection of canine parvovirus DNA directly in faecal specimens.

    abstract:AIMS: To develop a specific and highly sensitive loop-mediated isothermal amplification (LAMP) technique for the rapid detection of canine parvovirus (CPV) DNA directly in suspected faecal samples of dogs by employing a simple method of template preparation. METHODS AND RESULTS: LAMP reaction was developed by designin...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2012.03284.x

    authors: Mukhopadhyay HK,Amsaveni S,Matta SL,Antony PX,Thanislass J,Pillai RM

    更新日期:2012-09-01 00:00:00

  • Evaluation of a method to detect Mycobacterium bovis in air samples from infected Eurasian badgers (Meles meles) and their setts.

    abstract::Environmental air sampling was evaluated as a method to detect the presence of M. bovis in the vicinity of infected badgers and their setts. Airborne particles were collected on gelatine filters using a commercially available air sampling instrument and tested for the presence of M. bovis using bacteriological culture...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/lam.12055

    authors: Jones RM,Ashford R,Cork J,Palmer S,Wood E,Spyvee P,Parks S,Bennett A,Brewer J,Delahay R,Chambers M,Sawyer J

    更新日期:2013-05-01 00:00:00

  • CAC2634-disrupted mutant of Clostridium acetobutylicum can be electrotransformed in air.

    abstract:AIMS:To simplify the electrotransformation process of Clostridium acetobutylicum, which currently needs to be performed in an anaerobic chamber, thus laborious and time-consuming. METHODS AND RESULTS:The CAC2634 gene encoding PerR is a known peroxide regulon repressor in Cl. acetobutylicum. CAC2634 in a previously con...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2011.03111.x

    authors: Dong H,Tao W,Zhu L,Zhang Y,Li Y

    更新日期:2011-09-01 00:00:00

  • Rapid and sensitive detection of Vibrio cholerae by loop-mediated isothermal amplification targeted to the gene of outer membrane protein ompW.

    abstract:AIMS:The present study was aimed to develop a loop-mediated isothermal amplification (LAMP) assay for rapid and specific detection of Vibrio cholerae. METHODS AND RESULTS:A set of five designed primers that recognized specifically the V. cholerae ompW gene was used. The optimized time and temperature conditions for th...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2009.02749.x

    authors: Srisuk C,Chaivisuthangkura P,Rukpratanporn S,Longyant S,Sridulyakul P,Sithigorngul P

    更新日期:2010-01-01 00:00:00

  • Rapid Aeromonas hydrophila identification by TaqMan PCR assay: comparison with a phenotypic method.

    abstract:AIMS:Aeromonas hydrophila is recognized as a human pathogen following wound exposure or ingestion of contaminated water and food. For rapid identification of this bacterium, a TaqMan-based real-time PCR assay has been developed. METHODS AND RESULTS:Primers and probes that target specific sequences of the 16S rRNA gene...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2009.02635.x

    authors: Trakhna F,Harf-Monteil C,Abdelnour A,Maaroufi A,Gadonna-Widehem P

    更新日期:2009-08-01 00:00:00

  • Evaluation of different DNA extraction procedures for the detection of Salmonella from chicken products by polymerase chain reaction.

    abstract::Polymerase chain reaction (PCR) was used after a short pre-enrichment culture to detect Salmonella subspecies in chicken fillets. A direct PCR assay performed with chicken meat inoculated with Salmonella Typhimurium produced no PCR products. Six different DNA extraction protocols were tested to recover efficiently Sal...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765x.1994.tb00458.x

    authors: Soumet C,Ermel G,Fach P,Colin P

    更新日期:1994-11-01 00:00:00

  • Survival of Escherichia coli O157:H7 in yoghurt during preparation and storage at 4 degrees C.

    abstract::Cow's milk was inoculated with ca 10(3) and 10(7) cfu ml-1 Escherichia coli O157:H7. After fermentation at 42 degrees C for 0-5 h, the yoghurt was stored at 4 degrees C. Two kinds of yoghurt were used: traditional yoghurt (TY), made with Streptococcus thermophilus and Lactobacillus bulgaricus starter cultures, and 'bi...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.1997.00067.x

    authors: Massa S,Altieri C,Quaranta V,De Pace R

    更新日期:1997-05-01 00:00:00

  • Development of loop-mediated isothermal amplification assay for the detection of Pythium myriotylum.

    abstract:UNLABELLED:This study reports the development of a loop-mediated isothermal amplification (LAMP) reaction for the detection of Pythium myriotylum. The primer set targeting the ITS sequence of P. myriotylum worked most efficiently at 60°C and allowed the detection of P. myriotylum DNA within 30 min by fluorescence monit...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/lam.12244

    authors: Fukuta S,Takahashi R,Kuroyanagi S,Ishiguro Y,Miyake N,Nagai H,Suzuki H,Tsuji T,Hashizume F,Watanabe H,Kageyama K

    更新日期:2014-07-01 00:00:00

  • Prevalence of thermotolerant Campylobacter in partridges (Perdix perdix).

    abstract:AIM:To estimate the prevalence of thermotolerant Campylobacter spp. in commercially reared partridges (Perdix perdix) in southern Italy. METHODS AND RESULTS:Cloacal swabs of partridges (n = 240), equally distributed between male and female birds, from a game bird farm located in the Southern Italy were examined for th...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2009.02667.x

    authors: Dipineto L,Gargiulo A,De Luca Bossa LM,Rinaldi L,Borrelli L,Santaniello A,Menna LF,Fioretti A

    更新日期:2009-09-01 00:00:00

  • Inhibition of bacteriophage K proliferation on Staphylococcus aureus in raw bovine milk.

    abstract:AIMS:To assess the ability of staphylococcal bacteriophage K to inhibit Staphylococcus aureus in raw milk. METHODS AND RESULTS:The ability of bacteriophage (phage) to replicate in milk is important in situations where phage might be used as a therapeutic for bovine mastitis. Phage K was able to replicate normally, lea...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2005.01762.x

    authors: O'Flaherty S,Coffey A,Meaney WJ,Fitzgerald GF,Ross RP

    更新日期:2005-01-01 00:00:00

  • Highly cold-active pectinases under wine-like conditions from non-Saccharomyces yeasts for enzymatic production during winemaking.

    abstract:UNLABELLED:The influence of oenological factors on cold-active pectinases from 15 preselected indigenous yeasts belonging to Aureobasidium pullulans, Filobasidium capsuligenum, Rhodotorula dairenensis, Cryptococcus saitoi and Saccharomyces cerevisiae was investigated. Pectinolytic enzymes were constitutive or partially...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/lam.12390

    authors: Merín MG,Morata de Ambrosini VI

    更新日期:2015-05-01 00:00:00

  • Comparison of sample collection methods for the PCR detection of oral anaerobic pathogens.

    abstract:AIMS:To provide evidence that DNA-PCR diagnostics of oral pathogens based on standard sample collection by paper point insertion from the depth of the periodontal pocket can be replaced by a novel non-invasive collection method based on swab technique from the gingiva. METHODS AND RESULTS:In this study we compared the...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.2003.01269.x

    authors: Smola SF,Rettenberger G,Simmet T,Burysek L

    更新日期:2003-01-01 00:00:00

  • Effects of high-pressure homogenization on the survival of Alicyclobacillus acidoterrestris in a laboratory medium.

    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

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2007.02219.x

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

    更新日期:2007-10-01 00:00:00

  • Optimization of culture conditions for production of antimalarial menisporopsin A by the seed fungus Menisporopsis theobromae BCC 4162.

    abstract:AIMS:The aim of this work was to optimize the production of a novel antimaralial menisporopsin A by the seed fungus Menisporopsis theobromae BCC 4162. METHODS AND RESULTS:Fungal cultures were grown in shake flasks at 25 degrees C in the basal medium with varying carbon and nitrogen sources, aeration rates and initial ...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2006.01994.x

    authors: Madla S,Kittakoop P,Wongsa P

    更新日期:2006-11-01 00:00:00

  • Simultaneous detection of Fusarium asiaticum and Fusarium graminearum in wheat seeds using a real-time PCR method.

    abstract:AIMS:To develop a PCR-based method for quantitative detection of Fusarium asiaticum (Fa) and Fusarium graminearum (Fg) in wheat seeds. METHODS AND RESULTS:Based on the sequences of the cyp51A gene, two primer pairs FaF + FaR and FgF + FgR were developed for the species-specific detection of Fa and Fg, respectively. To...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2009.02595.x

    authors: Yin Y,Liu X,Ma Z

    更新日期:2009-06-01 00:00:00

  • Effect of relative humidity on inactivation of foodborne pathogens using chlorine dioxide gas and its residues on tomatoes.

    abstract::The effect of relative humidity (RH) on the antimicrobial efficacy of chlorine dioxide (ClO2 ) gas against foodborne pathogens on tomatoes was evaluated. Also, levels of ClO2 residues on tomatoes after exposure to ClO2 gas under different RH conditions were measured to determine the quantity of solubilized ClO2 gas on...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/lam.13002

    authors: Park SH,Kim WJ,Kang DH

    更新日期:2018-08-01 00:00:00

  • Production of gamma-linolenic acid by disrupted mycelia of Mortierella isabellina.

    abstract:AIMS:To optimize the production of linolenic acid by disrupted mycelia of Mortierella isabellina. METHODS AND RESULTS:Effects of incubation conditions such as incubation time, pH of reaction mixture, concentration of Mg2+ or malate and incubation temperature on production of linolenic acid were studied. The production...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1046/j.1472-765x.2003.01291.x

    authors: Xian M,Nie J,Meng Q,Liu J,Zhou C,Kang Y,Zhen K

    更新日期:2003-01-01 00:00:00

  • Effects of acidified sodium chlorite, cetylpyridinium chloride and hot water on populations of Listeria monocytogenes and Staphylococcus aureus on beef.

    abstract:AIMS:The present study was designed to determine the individual and combined effects of acidified sodium chlorite (ASC, 0.1%, 24 +/- 1 degrees C), cetylpyridinium chloride (CPC, 0.5%, 24 +/- 1 degrees C) and hot water (HW, 93 +/- 1 degrees C) treatments on the survival of Listeria monocytogenes and Staphylococcus aureu...

    journal_title:Letters in applied microbiology

    pub_type: 杂志文章

    doi:10.1111/j.1472-765X.2006.01932.x

    authors: Ozdemir H,Koluman A,Yildirim Y

    更新日期:2006-08-01 00:00:00

  • Deleting the first disulphide bond in an arenicin derivative enhances its expression in Pichia pastoris.

    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

    pub_type: 杂志文章

    doi:10.1111/lam.12770

    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