Anomalies in species identification of enterococci from veterinary sources using a commercial biochemical identification system.

abstract：:To investigate the potential activation of hydrogen peroxide by a novel catalyst, reducing the concentration of hydrogen peroxide required and the time taken for mycobactericidal activity. The mycobactericidal properties of an iron-based novel heterogeneous-modified polyacrylonitrile (PAN) catalyst in combination with...

journal_title：Letters in applied microbiology

authors： Price SL,Huddersman KD,Shen J,Walsh SE

更新日期：2013-02-01 00:00:00

abstract：:The beta-D-galactosidase activity of viable but non-culturable (vnc) Escherichia coli cells in seawater was investigated using a rapid fluorimetric enzyme assay. Results from microcosm studies showed that loss of culturability did not necessarily result in loss of the ability to produce the galactosidase enzyme. Even ...

journal_title：Letters in applied microbiology

authors： Davies CM,Apte SC,Peterson SM

更新日期：1995-08-01 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：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:To develop a novel method for rapid construction of Campylobacter jejuni deletion mutants. METHODS AND RESULTS:We used overlapping extension PCR protocol to amplify a target sequence region of Camp. jejuni genomic DNA in which an internal fragment, Cj0618 coding sequence, was replaced by a chloramphenicol resista...

journal_title：Letters in applied microbiology

authors： Hansen CR,Khatiwara A,Ziprin R,Kwon YM

更新日期：2007-12-01 00:00:00

abstract：AIMS:To isolate benzene-degrading strains from neutral and alkaline groundwaters contaminated by benzene, toluene, ethylbenzene, xylenes (BTEX) from the SIReN aquifer, UK, and to test their effective pH range and ability to degrade TEX. METHODS AND RESULTS:The 14 isolates studied had an optimum pH for growth of 8, and...

journal_title：Letters in applied microbiology

authors： Fahy A,Ball AS,Lethbridge G,Timmis KN,McGenity TJ

更新日期：2008-07-01 00:00:00

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：:Erwinia amylovora bacteria cause fire blight disease, which affects apple and pear production worldwide. The Erw. amylovora pyrC gene encodes a predicted dihydroorotase enzyme involved in pyrimidine biosynthesis. Here, we discovered that the Erw. amylovora pyrC244::Tn5 mutant was a uracil auxotroph. Unexpectedly, the ...

journal_title：Letters in applied microbiology

authors： Ramos LS,Sinn JP,Lehman BL,Pfeufer EE,Peter KA,McNellis TW

更新日期：2015-06-01 00:00:00

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

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

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:Breast milk has been described as a source of bacteria influencing the development of the infant gut microbiota. Up to the present, few studies have been focused on the application of culture-independent techniques to study bacterial diversity in breast milk. In this context, the aim of this study was to character...

journal_title：Letters in applied microbiology

authors： Collado MC,Delgado S,Maldonado A,Rodríguez JM

更新日期：2009-05-01 00:00:00

abstract：AIMS:The optimal culture conditions for endoinulinase production using chicory roots were studied in shake-flask culture. METHODS AND RESULTS:Much higher enzyme production was achieved with Xanthomonas sp. (15 U ml(-1)) than with Pseudomonas sp. (3 U ml(-1)). Optimized culture conditions of Xanthomonas sp. for endoinu...

journal_title：Letters in applied microbiology

authors： Park JP,Yun JW

更新日期：2001-09-01 00:00:00

abstract：AIM:To study the effect of biosurfactant on aqueous phase solubility and biodegradation of chlorpyrifos. METHODS AND RESULTS:A Pseudomonas sp. (ChlD), isolated from agricultural soil by enrichment culture technique in the presence of chlorpyrifos, was capable of producing biosurfactant (rhamnolipids) and degrading chl...

journal_title：Letters in applied microbiology

authors： Singh PB,Sharma S,Saini HS,Chadha BS

更新日期：2009-09-01 00:00:00

abstract：:To investigate the potential usefulness of u.v. germicidal irradiation (UVGI) in preventing the spread of Burkholderia cepacia, an important pathogen in cystic fibrosis (CF), the in-vitro susceptibility of B. cepacia to UVGI was determined. Five strains were exposed to UVGI from a 7.2-W source. Burkholderia cepacia wa...

journal_title：Letters in applied microbiology

authors： Cairns G,Kerr KG,Beggs CB,Sleigh PA,Mooney L,Keig P,Donnelly JK

更新日期：2001-03-01 00:00:00

abstract：AIMS:The aims of this study were to investigate in vitro the effects of Lactobacillus isolates from a chicken on adhesion of pathogenic Salmonella and Escherichia coli to chicken intestinal mucus obtained from different intestinal regions. METHODS AND RESULTS:Bacteria were labelled by using methyl-1,2-[(3)H]-thymidine...

journal_title：Letters in applied microbiology

authors： Ma YL,Guo T,Xu ZR,You P,Ma JF

更新日期：2006-04-01 00:00:00

abstract：UNLABELLED:Lactobacillus acidophilus LAB20 has potential to be a probiotic strain because it can be present at high numbers in the jejunum of dog. To specifically detect LAB20 from dog faecal samples, a real-time PCR protocol was developed targeting the novel surface (S) layer protein gene of LAB20. The presence of S-l...

journal_title：Letters in applied microbiology

authors： Tang Y,Saris PE

更新日期：2013-10-01 00:00:00

abstract：AIMS:To investigate fusion expression between Bacillus thuringiensis crystal protein and a foreign protein, the expression of a fusion protein comprised of Cry1Ac, and enhanced green fluorescent protein (EGFP) in B. thuringiensis Cry(-)B strain was examined. METHODS AND RESULTS:The N-terminal fusion expression of EGFP...

journal_title：Letters in applied microbiology

authors： Roh JY,Li MS,Chang JH,Choi JY,Shim HJ,Shin SC,Boo KS,Je YH

更新日期：2004-01-01 00:00:00

abstract：:The L-2,3-butanediol dehydrogenase (L-BDH) gene of Brevibacterium saccharolyticum was strongly expressed in Escherichia coli using the tac promoter. However, the stereospecificity of the resulting L-BDH was reduced. The region upstream of the meso-BDH gene of Klebsiella pneumoniae was also involved in the expression o...

journal_title：Letters in applied microbiology

authors： Ui S,Takusagawa Y,Ohtsuki T,Mimura A,Ohkuma M,Kudo T

更新日期：2001-02-01 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：:A monoclonal antibody (mAb) has been produced to aflatoxin B1 (AF B1) after successful immunization of mice and fusion of sensitized spleen cells with myeloma cancer cells. The mice were immunized with AF B1-oxime-protein conjugate. Positive mAbs were screened using an indirect ELISA specific for AF B1. The selected m...

journal_title：Letters in applied microbiology

authors： Candlish AA,Smith JE,Stimson WH

更新日期：1990-04-01 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：:White Spot Syndrome Virus (WSSV) is a dsDNA virus causing White Spot Syndrome Disease (WSSD) in shrimp with almost 100% morality rate within 3-10 days. In Bangladesh, WSSD is one of the major impediments of shrimp farming. This study first investigated the prevalence and distribution of WSSV in cultured shrimps of the...

journal_title：Letters in applied microbiology

authors： Hossain A,Nandi SP,Siddique MA,Sanyal SK,Sultana M,Hossain MA

更新日期：2015-02-01 00:00:00

abstract：UNLABELLED:We investigated the role of the Bradyrhizobium japonicum lpcC gene, encoding a mannosyl transferase, involved in the lipopolysaccharide (LPS) biosynthesis. The inactivation of the lpcC gene considerably altered the LPS structure and the cell surface properties. LPS analysis showed that the lpcC mutant JS715 ...

journal_title：Letters in applied microbiology

authors： Lee HI,In YH,Jeong SY,Jeon JM,Noh JG,So JS,Chang WS

更新日期：2014-07-01 00:00:00

abstract：AIMS: The objective of this study was to inactivate Bacillus cereus spores in sikhye using a modified tyndallization process involving injection with carbon dioxide (CO₂). METHODS AND RESULTS:Heat tolerance of B. cereus spores in tryptic soy broth and sikhye was evaluated. The D(95°C) values of the B. cereus spores we...

journal_title：Letters in applied microbiology

authors： Kim H,Kim H,Bang J,Kim Y,Beuchat LR,Ryu JH

更新日期：2012-09-01 00:00:00

abstract：AIMS:In traditional Thai medicine, nutgall of Quercus infectoria G. Olivier is well-documented as an effective agent for wound and skin infections. The present study was aimed to establish modes of action of the ethanol extract of the plant as well as its main constituents to induce anti-methicillin-resistant Staphyloc...

journal_title：Letters in applied microbiology

authors： Chusri S,Voravuthikunchai SP

更新日期：2011-06-01 00:00:00

abstract：:Leuconostoc strains were characterized according to their antibiotic susceptibilities, carbohydrate fermentation profiles, sucrase activity patterns and plasmid content. All the strains tested were resistant to the antibiotics sulphathiazole, trimethoprim and vancomycin, and could be separated into two groups based on...

journal_title：Letters in applied microbiology

authors： Holt SM,Al-Sheikh H,Shin KJ

更新日期：2001-03-01 00:00:00

abstract：UNLABELLED:The probiotic Arthrobacter sp. CW9 isolated from guts of white shrimp (Penaeus vannamei) was used to improve the survival rate, growth rate and immune status of white shrimp (P. vannamei). Arthrobacter sp. CW9 was added to the saline rearing water at 0, 10(5), 10(6) and 10(7) CFU ml(-1) once every 5 days dur...

journal_title：Letters in applied microbiology

authors： Xia Z,Zhu M,Zhang Y

更新日期：2014-01-01 00:00:00

abstract：AIMS:The purpose of this study was to develop a loop-mediated isothermal amplification (LAMP) method for the rapid, sensitive and simple detection of Vibrio alginolyticus in mariculture fish. METHODS AND RESULTS:LAMP primers were designed by targeting the gyrB gene. With Bst DNA polymerase, the target DNA can be clear...

journal_title：Letters in applied microbiology

authors： Cai SH,Lu YS,Wu ZH,Jian JC,Wang B,Huang YC

更新日期：2010-05-01 00:00:00

abstract：AIMS:This study aimed to identify a simple, inexpensive preservation technique that will allow a quick and reliable recovery of Campylobacter jejuni following long-term periods of preservation. METHODS AND RESULTS:Preservation techniques include (i) Cryobank microbial preservation system using hypertonic 'cryopreserva...

journal_title：Letters in applied microbiology

authors： Gorman R,Adley CC

更新日期：2004-01-01 00:00:00

abstract：AIMS:The aim of this study was to investigate the role of divercin V41 in inhibition and prevention of Listeria monocytogenes. METHODS AND RESULTS:Carnobacterium divergens V41 deficient in bacteriocin production was isolated and characterized by enzyme-liked immunosorbent assay, multiplex polymerase chain reaction and...

journal_title：Letters in applied microbiology

authors： Richard C,Brillet A,Pilet MF,Prévost H,Drider D

更新日期：2003-01-01 00:00:00