Characterization and molecular cloning of Bifidobacterium longum cryptic plasmid pMB1.

abstract：AIMS:To evaluate the genetic diversity within the species Paenibacillus polymyxa. METHODS:Southern hybridization was performed on 102 strains of P. polymyxa using DNA from the phage IPy1 as a probe. RESULTS:All 102 strains hybridized to phage IPy1 DNA. Data from different hybridization patterns obtained were used to ...

journal_title：Letters in applied microbiology

authors： Santos SC,Rodrigues Coelho MR,Seldin L

更新日期：2002-01-01 00:00:00

abstract：:Two commercially available screening methods, an automated enzyme-linked fluorescent immunoassay (VIDAS E. coli O157) and an immunomagnetic separation followed by culture onto cefixime tellurite sorbitol MacConkey agar (CT-SMAC), were compared for detection of Escherichia coli O157 in naturally and artificially contam...

journal_title：Letters in applied microbiology

authors： Vernozy-Rozand C,Mazuy C,Ray-Gueniot S,Boutrand-Loeï S,Meyrand A,Richard Y

更新日期：1997-12-01 00:00:00

abstract：AIMS:In the present study, two different optimization techniques were used to determine the suitable operating parameters for exo-biopolymer production in submerged mycelial cultures of two entomopathogenic fungi Paecilomyces japonica and Paecilomyces tenuipes. METHODS AND RESULTS:First, the rotating simplex method, a...

journal_title：Letters in applied microbiology

authors： Xu CP,Sinha J,Bae JT,Kim SW,Yun JW

更新日期：2006-05-01 00:00:00

abstract：AIMS:Aims of investigation: (i) develop a quantitative RT-PCR for noroviruses and (ii) evaluate it on environmental samples. METHODS AND RESULTS:Noroviruses in environmental water samples were concentrated by adsorption/elution/flocculation. Sewage was processed by clarification and protein flocculation. Norovirus-spe...

journal_title：Letters in applied microbiology

authors： Laverick MA,Wyn-Jones AP,Carter MJ

更新日期：2004-01-01 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:Rapid detection of pathogenic Yersinia enterocolitica isolates by using antisera raised against recombinant attachment-invasion locus (Ail) protein. METHODS AND RESULTS:The complete gene (471 bp) encoding for the Ail protein was amplified by PCR and cloned in pQE 30 UA vector. The recombinant clones were selected...

journal_title：Letters in applied microbiology

authors： Balakrishna K,Murali HS,Batra HV

更新日期：2010-02-01 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：: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：: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

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

更新日期：1994-11-01 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：:Pyrimidine synthesis in the food spoilage agent Burkholderia cepacia ATCC 25416 was investigated. The five de novo pathway enzymes of pyrimidine biosynthesis were found to be active in B. cepacia ATCC 25416 and growth of this strain on uracil had an effect on the de novo enzyme activities. The in vitro regulation of a...

journal_title：Letters in applied microbiology

authors： Li K,West TP

更新日期：1995-11-01 00:00:00

abstract：AIMS:The aim of this study was to determine the prevalence and proportions of opportunistic pathogens harboured on orthodontic retainers. METHODS AND RESULTS:First, Staphylococcus spp. and Candida spp. were isolated from the retainer's inner surface and from other mucosal surfaces of the subject's mouth by routine bac...

journal_title：Letters in applied microbiology

authors： Al Groosh D,Roudsari GB,Moles DR,Ready D,Noar JH,Pratten J

更新日期：2011-05-01 00:00:00

abstract：AIMS:Acetic acid is considered an important preservative in tropical grass ensiling. The objective of the current experiments was to follow the ensiling fermentation of low dry matter (DM) tropical grass as a model to study changes in bacterial communities during acetic acid fermentation. METHODS AND RESULTS:Direct-cu...

journal_title：Letters in applied microbiology

authors： Nishino N,Li Y,Wang C,Parvin S

更新日期：2012-03-01 00:00:00

abstract：AIMS:To develop a colorimetric colony-screening assay to facilitate the isolation of micro-organisms capable of defluorination. METHODS AND RESULTS:A metal-dye chelate, zirconium-xylenol orange was used to detect fluoride ions released from a fluorinated substrate through microbial metabolism. Depolymerised zirconium ...

journal_title：Letters in applied microbiology

authors： Davis CK,Denman SE,Sly LI,McSweeney CS

更新日期：2011-10-01 00:00:00

abstract：AIM:The main aim of this study was to investigate a possible connection between the Salmonella content in sewage sludge and human cases of salmonellosis. An additional aim was to survey the antimicrobial resistance situation in Salmonella isolated from Swedish sewage sludge. METHODS AND RESULTS:The Salmonella strains ...

journal_title：Letters in applied microbiology

authors： Sahlström L,de Jong B,Aspan A

更新日期：2006-07-01 00:00:00

abstract：AIM:To study genetic diversity of Chromobacterium haemolyticum isolates recovered from a natural tropical lake. METHODS AND RESULTS:A set of 31 isolates were recovered from a bacterial freshwater community by conventional plating methods and subjected to genetic and phenotypic characterization. The 16S ribosomal RNA (...

journal_title：Letters in applied microbiology

authors： Lima-Bittencourt CI,Costa PS,Barbosa FA,Chartone-Souza E,Nascimento AM

更新日期：2011-06-01 00:00:00

abstract：AIMS:In this study, the relationship between morphology and cephalosporin C (CPC) production in a 30-l bioreactor culture of Cephalosporium acremonium M25 using a 3:7 seed mixture was investigated. In addition, the kinetic model was established and applied. METHODS AND RESULTS:CPC production was performed in a 30-l bi...

journal_title：Letters in applied microbiology

authors： Kim JH,Lim JS,Kim CH,Kim SW

更新日期：2005-01-01 00:00:00

abstract：UNLABELLED:Cysteine phytase is the main phytate-degrading enzyme of ruminant animals. To explore the genetic diversity and dynamic expression profile of cysteine phytase in sheep rumen during a feeding cycle, four transcript (0, 4, 9 and 16 h after feeding) and one DNA (9 h after feeding) clone libraries were construct...

journal_title：Letters in applied microbiology

authors： Li Z,Huang H,Zhao H,Meng K,Zhao J,Shi P,Yang P,Luo H,Wang Y,Yao B

更新日期：2014-12-01 00:00:00

abstract：AIMS:In this study, we report a new, simple methodology for the monitoring of Cryptosporidium oocysts and Giardia cysts in drinking water samples, ranging from 10- to 1000-l, which combines a new ARAD microfibre filtration of the (oo)cysts from drinking water and loop-mediated isothermal amplification (LAMP) of a human...

journal_title：Letters in applied microbiology

authors： Plutzer J,Törökné A,Karanis P

更新日期：2010-01-01 00:00:00

abstract：AIMS:Species-specific PCR was applied to identify Lactobacillus brevis and the sensitivity and the specificity of the protocol were determined. METHODS AND RESULTS:Strains of Lact. brevis obtained from foods, particularly dairy products, and various strain collections, were identified by PCR using primers which amplif...

journal_title：Letters in applied microbiology

authors： Guarneri T,Rossetti L,Giraffa G

更新日期：2001-11-01 00:00:00

abstract：UNLABELLED:Escherichia coli is part of the normal microflora of the intestines of mammals. However, among the enteric pathogens, it is one of the leading causes of intestinal diseases, especially Shiga toxigenic E. coli, which can cause diarrhoea, haemorrhagic colitis and complications like haemolytic uraemic syndrome ...

journal_title：Letters in applied microbiology

authors： Ribeiro LF,Barbosa MM,de Rezende Pinto F,Guariz CS,Maluta RP,Rossi JR,Rossi GA,Lemos MV,do Amaral LA

更新日期：2016-03-01 00:00:00

abstract：AIMS:Strains of Clostridium butyricum have been increasingly used as probiotics for both animals and humans. The aim of this study was to develop a growth medium for cultivating C. butyricum ZJUCB using a statistical methodology. METHODS AND RESULTS:Response surface methodology (RSM) was used to evaluate the effects o...

journal_title：Letters in applied microbiology

authors： He GQ,Kong Q,Ding LX

更新日期：2004-01-01 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:To investigate the spatial organization of endogenous and exogenously applied Lactobacillus communities at specific locations in the adult gastrointestinal tract of different hosts. METHODS AND RESULTS:Samples of the human, murine and avian gastrointestinal tract of subjects that received or not received a Lactob...

journal_title：Letters in applied microbiology

authors： Lebeer S,Verhoeven TL,Claes IJ,De Hertogh G,Vermeire S,Buyse J,Van Immerseel F,Vanderleyden J,De Keersmaecker SC

更新日期：2011-03-01 00:00:00

abstract：AIM:To test the efficacy of a chemical (chlorous acid) for reducing the numbers of viable Alicyclobacillus acidoterrestris spores in laboratory media and on apples. METHODS AND RESULTS:Alicyclobacillus acidoterrestris spores in aqueous suspension and on apple surfaces of four different cultivars were treated with 268 ...

journal_title：Letters in applied microbiology

authors： Lee SY,Ryu SR,Kang DH

更新日期：2010-08-01 00:00:00

abstract：UNLABELLED:AIMIS: Draft WHO guidance is likely to suggest a calculated 95th percentile method, rather than percentage exceedence, in assessing compliance of bathing waters with microbiological standards. This study set out to determine whether this was an appropriate development. METHODS AND RESULTS:A series of Monte ...

journal_title：Letters in applied microbiology

authors： Hunter PR

更新日期：2002-01-01 00:00:00

abstract：AIMS:The use of randomly amplified polymorphic DNA (RAPD)-PCR fingerprinting and plasmid profiles to determine at the strain level, the similarity of Lactococcus lactis isolates obtained during sampling of traditional cheeses and to verify its correspondence to the selected phenotypic characteristics. METHODS AND RESU...

journal_title：Letters in applied microbiology

authors： de la Plaza M,Rodríguez A,Fernández de Palencia P,Martínez-Cuesta MC,Peláez C,Requena T

更新日期：2006-12-01 00:00:00

abstract：:The recent rise in the awareness of the occurrence of toxic cyanobacterial blooms in aquatic environments, with associated human health problems and animal deaths, has increased the need for rapid, reliable and sensitive methods of determining cyanobacterial toxicity. A luminescent bacterial toxicity test was assessed...

journal_title：Letters in applied microbiology

authors： Lawton LA,Campbell DL,Beattie KA,Codd GA

更新日期：1990-10-01 00:00:00

abstract：AIMS: Lesions of DNA are removed by nucleotide excision repair (NER) process in the living systems. NER process-related host factors are believed to aid recovery steps during viral integration. Here, we report identification and characterization of a DNA repair molecule Rad23 from kuruma shrimp Marsupenaeus japonicus. ...

journal_title：Letters in applied microbiology

authors： Sudhakaran R,Okugawa S,Mekata T,Inada M,Yoshimine M,Nishi J,Ozono C,Kono T,Sakai M,Itami T

更新日期：2011-07-01 00:00:00

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

authors： Ozdemir H,Koluman A,Yildirim Y

更新日期：2006-08-01 00:00:00