Lactobacilli prevent hydroxy radical production and inhibit Escherichia coli and Enterococcus growth in system mimicking colon fermentation.

abstract：:Synthesis of gold nanoparticles (AuNPs) has become a needed domain of applied science. Biological method for synthesis of AuNPs by Trichoderma hamatum SU136 aqueous mycelial extract was achieved. The culture filtrate of the fungus was exposed to three different concentrations of gold chloride. The culture filtrate of ...

journal_title：Letters in applied microbiology

authors： Abdel-Kareem MM,Zohri AA

更新日期：2018-11-01 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：:Nisin, a bacteriocin produced by some strains of Lactococcus lactis, acts against foodborne pathogen Listeria monocytogenes. A single exposure of cells to nisin can generate nisin-resistant (Nisr) mutants, which may compromise the use of nisin in the food industry. The objective of this research was to compare the hea...

journal_title：Letters in applied microbiology

authors： Modi KD,Chikindas ML,Montville TJ

更新日期：2000-03-01 00:00:00

abstract：UNLABELLED:Several serological diagnostics rely on enzyme-linked immunosorbent assay (ELISA) to detect bacterial infections. However, for some pathogens, including Bartonella henselae, diagnosis still depends on manually intensive, time-consuming assays including micro-immunofluorescence, Western blotting or indirect i...

journal_title：Letters in applied microbiology

authors： Ferrara F,Di Niro R,D'Angelo S,Busetti M,Marzari R,Not T,Sblattero D

更新日期：2014-09-01 00:00:00

abstract：:Campylobacter jejuni was inoculated into a range of raw and ready-to-eat foods. These food samples were used as a test source for detection of this bacterium by the polymerase chain reaction (PCR). Specific detection of Camp. jejuni, as indicated by a PCR product of 159 bp, was possible with all pre-cooked deli-sliced...

journal_title：Letters in applied microbiology

authors： Winters DK,O'Leary AE,Slavik MF

更新日期：1998-09-01 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：AIMS:The development of a simple, rapid and sensitive method for the screening of chitinase inhibitors using Ostazin Brilliant Red labelled chitin as a substrate for chitinase assay. METHODS AND RESULTS:The colloidal substrate prepared from the Ostazin Brilliant Red labelled chitin was used in the estimation of chitin...

journal_title：Letters in applied microbiology

authors： Shirazi F,Kulkarni M,Deshpande MV

更新日期：2007-06-01 00:00:00

abstract：AIMS:The objective was to demonstrate the size of silver particles produced by the filamentous fungus Phoma sp.3.2883 via adsorption and accumulation, and to confirm that this silver was in a reduced state. METHODS AND RESULTS:Mycelium was freeze-dried and then shake-cultured in a silver nitrate solution. It was found...

journal_title：Letters in applied microbiology

authors： Chen JC,Lin ZH,Ma XX

更新日期：2003-01-01 00:00:00

abstract：UNLABELLED:Most of the current research into the quantification of soil-borne pathogenic oomycetes lacks determination of DNA extraction efficiency, probably leading to an incorrect estimation of DNA quantity. In this study, we developed a convenient method by using a 100 bp artificially synthesized DNA sequence derive...

journal_title：Letters in applied microbiology

authors： Li M,Ishiguro Y,Kageyama K,Zhu Z

更新日期：2015-08-01 00:00:00

abstract：:Polyhydroxyalkanoates (PHAs) are polyesters accumulated by many bacteria under unbalanced growth conditions, and have been used to meet the various demands in areas of agriculture, medicine, and materials especially belong to a rapidly expanding area of biomedical research. Unfortunately, the high production cost than...

journal_title：Letters in applied microbiology

authors： Liu CC,Zhang LL,An J,Chen B,Yang H

更新日期：2016-01-01 00:00:00

abstract：AIMS:To assess the contribution of ozone to lethality of Salmonella enterica serovar Enteritidis in experimentally inoculated whole shell eggs that are sequentially treated with heat and gaseous ozone in pilot-scale equipment. METHODS AND RESULTS:Whole shell eggs were inoculated with small populations of Salmonella En...

journal_title：Letters in applied microbiology

authors： Perry JJ,Rodriguez-Romo LA,Yousef AE

更新日期：2008-06-01 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：AIMS:To investigate the ability of a mixture of phage K and six of its modified derivatives to prevent biofilm formation by Staphylococcus aureus and also to reduce the established biofilm density. METHODS AND RESULTS:The bioluminescence-producing Staph. aureus Xen29 strain was used in the study, and incubation of thi...

journal_title：Letters in applied microbiology

authors： Kelly D,McAuliffe O,Ross RP,Coffey A

更新日期：2012-04-01 00:00:00

abstract：AIMS:To apply scanning electron microscopy, image analysis and a fluorescent viability stain to assess lethal and sublethal injury in food-borne bacteria exposed to pulsed-plasma gas discharges (PPGD). METHODS AND RESULTS:The fluorescent redox probe 5-cyano-2,3-ditolyl tetrazolium chloride (CTC) was used for enumerati...

journal_title：Letters in applied microbiology

authors： Rowan NJ,Espie S,Harrower J,Farrell H,Marsili L,Anderson JG,MacGregor SJ

更新日期：2008-01-01 00:00:00

abstract：:Small particle aerosols of plate-grown Salmonella enteritidis and Salm. typhimurium were generated and maintained within a rotating drum at 75% relative humidity and 24 degrees C for 2 h. Plate-grown organisms were found to be more aerosol-stable than broth-grown organisms. Differences were observed between the two sp...

journal_title：Letters in applied microbiology

authors： McDermid AS,Lever MS

更新日期：1996-08-01 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: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：AIMS:The aim of the study was to determine Campylobacter jejuni contamination and prevalence on fomites moving between broiler farms and the processing plant in the period after cleaning and before departure to harvest chickens. In addition, changes in the proportion of contaminated fomites in the course of a day were ...

journal_title：Letters in applied microbiology

authors： Ramabu SS,Boxall NS,Madie P,Fenwick SG

更新日期：2004-01-01 00:00:00

abstract：AIMS:2-Keto-4-methylthiobutyric acid (KMBA) is an established intermediate in microbial biosynthesis of ethylene from methionine. This study demonstrates the kinetics and effects of trace elements and electron complexes on substrate (KMBA)-derived C2H4 biosynthesis in soil. METHODS AND RESULTS:We have previously repor...

journal_title：Letters in applied microbiology

authors： Arshad M,Nazli ZH,Khalid A,Zahir ZA

更新日期：2004-01-01 00:00:00

abstract：UNLABELLED:During a screening for potential plant disease control actinomycetes, a total of 133 strains were isolated from Saharan soil samples of seven Algerian regions by dilution technique on chitin-vitamins agar medium. Screening for antagonistic properties using streak assay method showed that 25% of isolates demo...

journal_title：Letters in applied microbiology

authors： Yekkour A,Sabaou N,Zitouni A,Errakhi R,Mathieu F,Lebrihi A

更新日期：2012-12-01 00:00:00

abstract：AIMS:  This paper utilized quantitative LC-MS/MS to profile the short-chain acyl-CoA levels of several strains of Escherichia coli engineered for heterologous polyketide production. To further compare and potentially expand the levels of available acyl-CoA molecules, a propionyl-CoA synthetase gene from Ralstonia solan...

journal_title：Letters in applied microbiology

authors： Armando JW,Boghigian BA,Pfeifer BA

更新日期：2012-02-01 00:00:00

abstract：AIMS:To isolate and identify diazotrophic endophytes in the stem of Japanese sweetpotato cv. Koganesengan. METHODS AND RESULTS:Surface-sterilized and thinly sliced (1-2 mm) sweetpotato stem samples were incubated in test tubes with semi-solid modified Rennie (MR) medium. The test tubes were assayed for acetylene reduc...

journal_title：Letters in applied microbiology

authors： Asis CA Jr,Adachi K

更新日期：2004-01-01 00:00:00

abstract：AIM:To study the effect of glucose concentrations on the growth by Brettanomyces bruxellensis yeast strain in batch experiments and develop a mathematical model for kinetic behaviour analysis of yeast growing in batch culture. METHODS AND RESULTS:A Matlab algorithm was developed for the estimation of model parameters....

journal_title：Letters in applied microbiology

authors： Aguilar-Uscanga MG,Garcia-Alvarado Y,Gomez-Rodriguez J,Phister T,Delia ML,Strehaiano P

更新日期：2011-08-01 00:00:00

abstract：:Random amplification of polymorphic DNA (RAPD) is proving to be a useful technique in studying the epidemiology of micro-organisms. The technique can be troublesome and time consuming to establish due to the essentially empirical approach to optimization. By standardization of certain parameters and use of a commercia...

journal_title：Letters in applied microbiology

authors： Hilton AC,Banks JG,Penn CW

更新日期：1997-04-01 00:00:00

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

authors： Yin Y,Liu X,Ma Z

更新日期：2009-06-01 00:00:00

abstract：:Using a novel capillary thermal cycler, randomly amplified polymorphic DNA (RAPD) generated DNA fingerprints were obtained in 3 h. The RAPD profiles were produced using a random 10-mer primer (5'-ACCGCCTGCT-3') which discriminated between different Listeria spp. Unique fragment profiles of Listeria monocytogenes serot...

journal_title：Letters in applied microbiology

authors： Black SF,Gray DI,Fenlon DR,Kroll RG

更新日期：1995-03-01 00:00:00

abstract：AIM:To examine whether isolates of the entomopathogenic fungus Beauveria bassiana are more closely associated to their summer hosts compared with overwintering hosts, with recently developed molecular tools based on mitochondrial regions. METHODS AND RESULTS:Primers for the traditional ITS1-5.8S-ITS2 region and two mi...

journal_title：Letters in applied microbiology

authors： Kouvelis VN,Ghikas DV,Edgington S,Typas MA,Moore D

更新日期：2008-03-01 00:00:00

abstract：AIMS:This paper attempts to develop a kinetic model to describe the growth of aerobic granules developed under different operation conditions. METHODS AND RESULTS:A series of experiments were conducted by using four-column sequencing batch reactors to study the formation of aerobic granules under different conditions,...

journal_title：Letters in applied microbiology

authors： Yang SF,Liu QS,Tay JH,Liu Y

更新日期：2004-01-01 00:00:00

abstract：:The effect of surfactant type and concentration on a bland soap formulation's ability to remove bacteria from hands remains largely unstudied. Several combinations of surfactants and water were combined to test bacterial removal efficacy using a hand-washing device (two pieces of pig skin and a mechanical motor) to si...

journal_title：Letters in applied microbiology

authors： Jensen DA,Rogers MA,Schaffner DW

更新日期：2017-10-01 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