The influence of different concentrations of melatonin on the cell surface hydrophobic characteristics of Neisseria meningitidis.

abstract：:Staphylococcus aureus is a major agent of bovine mastitis in dairy herds, causing economic losses in dairy industry worldwide. In addition, milk and milk-products contaminated by Staph. aureus can cause harmful human diseases. The aim of this study was to characterize Staph. aureus strains isolated from dairy farms in...

journal_title：Letters in applied microbiology

authors： Ben Said M,Abbassi MS,Bianchini V,Sghaier S,Cremonesi P,Romanò A,Gualdi V,Hassen A,Luini MV

更新日期：2016-12-01 00:00:00

abstract：UNLABELLED:Blue light (470 nm) LED antimicrobial properties were studied alone against bacteria and with or without the food grade photosensitizer, erythrosine (ERY) against filamentous fungi. Leuconostoc mesenteroides (LM), Bacillus atrophaeus (BA) or Pseudomonas aeruginosa (PA) aliquots were exposed on nutrient agar ...

journal_title：Letters in applied microbiology

authors： De Lucca AJ,Carter-Wientjes C,Williams KA,Bhatnagar D

更新日期：2012-12-01 00:00:00

abstract：AIMS:  The primary goal of this study was to characterize the existence of a functional c-di-GMP pathway in the bioleaching bacterium Acidithiobacillus ferrooxidans. METHODS AND RESULTS:  A bioinformatic search revealed that the genome sequence of At. ferrooxidans ATCC 23270 codes for several proteins involved in the ...

journal_title：Letters in applied microbiology

authors： Ruiz LM,Castro M,Barriga A,Jerez CA,Guiliani N

更新日期：2012-02-01 00:00:00

abstract：AIMS:To screen for the existence and determine the structure of Tn916-like element in Streptococcus parauberis serotype II strains isolated from cultured Japanese flounder in western Japan. METHODS AND RESULTS:In this study, the structure of Tn916-like element and the flanking regions were characterized by polymerase ...

journal_title：Letters in applied microbiology

authors： Meng F,Kanai K,Yoshikoshi K

更新日期：2009-06-01 00:00:00

abstract：:To enhance the overall expression level of lipase isozymes which catalyse the same reaction in Pichia pastoris through co-expression of isozymes from different sources; several types of co-expression ways were constructed to determine the co-expression efficiencies of lipase isozymes in P. pastoris. The results showed...

journal_title：Letters in applied microbiology

authors： Cai H,Zhang T,Zhao M,Mao J,Cai C,Feng F

更新日期：2017-10-01 00:00:00

abstract：:Nanobacteria, also known as calcifying nanoparticles (CNP), are controversial infectious agents not matching the current criteria for 'living organism'. Despite the controversy of their classification, they propagate and cause cell death in vitro and are associated or found in many human diseases. Thus, more efforts s...

journal_title：Letters in applied microbiology

authors： Kajander EO

更新日期：2006-06-01 00:00:00

abstract：AIMS:The current standard culture methods are unable to detect nongrowing bacteria and, thus, might not be sufficient for precise monitoring of the microbiological quality of waters. The use of a molecular method such as PCR could be a valid alternative to detect bacterial faecal contamination indicators such as Escher...

journal_title：Letters in applied microbiology

authors： Lleo MM,Bonato B,Tafi MC,Signoretto C,Pruzzo C,Canepari P

更新日期：2005-01-01 00:00:00

abstract：AIMS:To establish species-specific PCR and DNA probe methods for Streptococcus salivarius and to clarify the distribution of dextranase in oral isolates of Strep. salivarius. METHODS AND RESULTS:A pair of PCR primers and a DNA probe were designed based on the nucleotide sequence of the dextranase gene of Strep. saliva...

journal_title：Letters in applied microbiology

authors： Igarashi T,Yano Y,Yamamoto A,Sasa R,Goto N

更新日期：2001-06-01 00:00:00

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 present study demonstrates the siderophore production of two strains of Pseudomonas fluorescens and two of Ps. chlororaphis. The antimicrobial activities of these strains were studied against Salmonella typhimurium, Staphylococcus aureus, Fusarium culmorum, F. oxysporum and Aspergillus niger. Despite equal siderop...

journal_title：Letters in applied microbiology

authors： Laine MH,Karwoski MT,Raaska LB,Mattila-Sandholm TM

更新日期：1996-03-01 00:00:00

abstract：:Non-degradability of conventional plastics, filling of landfill sites, raising water and land pollution and rapid depletion of fossil resources have raised the environmental issues and global concerns. The current demand and production of plastics is putting immense pressure on fossil resources, consuming about 6% of ...

journal_title：Letters in applied microbiology

authors： Satti SM,Shah AA

更新日期：2020-06-01 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：: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：:RAPD technique (randomly amplified polymorphic DNA) was used for epidemiological subtyping of Bacillus licheniformis and other Bacillus spp. Within 46 isolates of B. licheniformis, up to 10 strain types could be determined when two 10-mer primers were used. RAPD patterns, which were found in eight further strains of B...

journal_title：Letters in applied microbiology

authors： Stephan R,Schraft H,Untermann F

更新日期：1994-05-01 00:00:00

abstract：AIMS:To compare the fermentative capacity of wild and domesticated isolates of the genus Saccharomyces. METHODS AND RESULTS:The fermentative capacity of yeasts from a variety of wild and domesticated sources was tested in synthetic dough media that mimic major bread dough types. Domesticated yeast strains were found t...

journal_title：Letters in applied microbiology

authors： Bell PJ,Higgins VJ,Attfield PV

更新日期：2001-04-01 00:00:00

abstract：AIMS:The risk of hepatitis C virus infection in hospital environments can be assessed not only by studying epidemiological data and work practices, but also by the detection of these viruses (or indicators thereof) in health-care settings, on instruments etc. METHODS:Since standardized techniques specific to this end ...

journal_title：Letters in applied microbiology

authors： Carducci A,Verani M,Casini B,Giuntini A,Mazzoni F,Rovini E,Passaglia A,Giusti L,Valenza A,Lombardi R

更新日期：2002-01-01 00:00:00

abstract：:A 21-mer DNA oligonucleotide probe targeting the 23S rRNA of Mycobacterium leprae was developed and its high specificity demonstrated by dot-blot hybridization. Even under relaxed hybridization and washing conditions (20 degrees C below Tm) the probe was highly selective in that positive signals were only detected wit...

journal_title：Letters in applied microbiology

authors： Liesack W,Pitulle C,Stackebrandt E

更新日期：1990-08-01 00:00:00

abstract：:Desulfovibrio desulfuricans ATCC 27774 was screened for reactivity against aromatic compounds during lactate-dependent, nitrate-dissimilating growth. Only aromatic aldehydes (benzaldehyde, 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde, vanillin, iso-vanillin and o-vanillin) were reactive and, wit...

journal_title：Letters in applied microbiology

authors： Parekh M,Drake HL,Daniel SL

更新日期：1996-02-01 00:00:00

abstract：AIMS:The aim of the study was to investigate the antagonistic interactions of Trichoderma species against Rhizoctonia solani sclerotia by enhanced green fluorescence protein (EGFP)-tagged transformant of Trichoderma virens TY009. METHODS AND RESULTS:An EGFP was used as a report gene for transforming T. virens strain, ...

journal_title：Letters in applied microbiology

authors： Liu LN,Zhang JZ,Xu T

更新日期：2009-12-01 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：:Listeria monocytogenes is a pathogenic bacterium, with human disease and infection linked to dairy products, seafood, ready-to-eat meat and raw & undercooked meats. Stainless steel is the most common food preparation surface and therefore, it is important to understand how food storage conditions such as surface mater...

journal_title：Letters in applied microbiology

authors： Redfern J,Verran J

更新日期：2017-04-01 00:00:00

abstract：AIMS:Evaluation of the activity profiles of standard prokaryotic translation inhibitors with different physicochemical properties under whole-cell and cell-free conditions. METHODS AND RESULTS:The minimal inhibitory concentration values (cell-free/whole-cell microg ml(-1)) for three aminoglycosides (neomycin, 0.01/6.9...

journal_title：Letters in applied microbiology

authors： Weidlich M,Klammt C,Bernhard F,Karas M,Stein T

更新日期：2008-02-01 00:00:00

abstract：:A viable but non-culturable (VBNC) bacterial state was originally detected in studies in environmental microbiology. In particular, this state has been demonstrated for a number of human pathogens (Escherichia coli, Salmonella enteritidis, Vibrio cholerae, Legionella pneumophila and Campylobacter jejuni). The presence...

journal_title：Letters in applied microbiology

authors： Besnard V,Federighi M,Cappelier JM

更新日期：2000-07-01 00:00:00

abstract：AIMS:To investigate the diversity and dissemination of tetracycline resistance genes in isolates from estuarine waters. METHODS AND RESULTS:Forty-two out of 164 multi-resistant isolates previously obtained were resistant or less-susceptible to tetracycline, as evaluated by the disc diffusion method. Minimal inhibitory...

journal_title：Letters in applied microbiology

authors： Henriques IS,Fonseca F,Alves A,Saavedra MJ,Correia A

更新日期：2008-12-01 00:00:00

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

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

更新日期：2009-08-01 00:00:00

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

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

更新日期：2011-09-01 00:00:00

abstract：AIMS:To isolate gamma-hexachlorocyclohexane (gamma-HCH)-degrading bacteria from a single field and to examine their genetic diversity. METHODS AND RESULTS:Gamma-HCH-degrading bacteria were screened from a long-term experimental field in which gamma-HCH has been continuously applied to, and a gamma-HCH-degrading sphing...

journal_title：Letters in applied microbiology

authors： Yamamoto S,Otsuka S,Murakami Y,Nishiyama M,Senoo K

更新日期：2009-10-01 00:00:00

abstract：UNLABELLED:High-pressure homogenization (HPH) has been proposed to be applied directly to lactic acid bacterial cells at sublethal levels to enhance some functional properties. As the principal target of HPH are the cell surface envelope structures, the aim of this work was to study the effect of a HPH treatment, appli...

journal_title：Letters in applied microbiology

authors： Tabanelli G,Patrignani F,Gardini F,Vinderola G,Reinheimer J,Grazia L,Lanciotti R

更新日期：2014-02-01 00:00:00

abstract：AIMS:To isolate a bacterium capable of degrading 3 beta-acetoxypregna-5,16-diene-20-one (16-DPA) to androsta-1,4-diene-3,17-dione (ADD) and to decipher the biodegradation pathway. METHODS AND RESULTS:Isolation on mineral salt agar containing 16-DPA as sole carbon source yielded two bacteria identified as Pseudomonas d...

journal_title：Letters in applied microbiology

authors： Patil S,Shukla A,Shinde K,Banerjee T

更新日期：2002-01-01 00:00:00

abstract：:The neurotoxins produced by Clostridium botulinum are amongst the most potent known to man. Toxin production is detected by a mouse bioassay, which requires several days for a result and is not acceptable for routine use unless there is a high level of suspicion. The Rapid ID32 A kit produced by bioMerieux gives an id...

journal_title：Letters in applied microbiology

authors： Brett MM

更新日期：1998-01-01 00:00:00