Isolation and identification of bioactive substance 1-hydroxyphenazine from Pseudomonas aeruginosa and its antimicrobial activity.

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：: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：:Novel findings in microbiology question the long-standing paradigm that a healthy pregnancy implies a sterile uterus. It now seems that the placenta is frequently colonized with bacteria, and a placental microbiome has been identified. Recent literature findings are summarized here, and an attempt is made to separate ...

journal_title：Letters in applied microbiology

authors： Wassenaar TM,Panigrahi P

更新日期：2014-12-01 00:00:00

abstract：:The contribution of trehalose and hsp104 to barotolerance in Saccharomyces cerevisiae has been investigated. Mutant strains, which lacked the ability to accumulate trehalose and/or hsp104, were examined for barotolerance and thermotolerance. All the mutants showed lower barotolerance and thermotolerance than their con...

journal_title：Letters in applied microbiology

authors： Iwahashi H,Obuchi K,Fujii S,Komatsu Y

更新日期：1997-07-01 00:00:00

abstract：UNLABELLED:Staphylococcus aureus LZ-01 was isolated from the Yellow River upstream from Lanzhou which can resist and reduce chromium (VI) to chromium (III). In this study, strain LZ-01's uranium (VI) resistance and adsorption abilities were investigated. Our results showed that it can resist 2 mmol l(-1) U(VI) and adso...

journal_title：Letters in applied microbiology

authors： Zou L,Chen Z,Zhang X,Liu P,Li X

更新日期：2014-11-01 00:00:00

abstract：:A Multiplex PCR-based assay (m-PCR) with three sets of primers was developed for the detection of all serotypes of Salmonella enterica and the identification of Salmonella Enteritidis and Salmonella Typhimurium. This method was evaluated against a bacteriological method for the analysis of environmental swabs of poult...

journal_title：Letters in applied microbiology

authors： Soumet C,Ermel G,Rose N,Rose V,Drouin P,Salvat G,Colin P

更新日期：1999-02-01 00:00:00

abstract：AIMS:To investigate interactions between rumen protozoa and Shiga toxin-producing Escherichia coli (STEC) and to ascertain whether it is likely that rumen protozoa act as ruminant hosts for STEC. METHODS AND RESULTS:The presence of stx genes in different microbial fractions recovered from cattle and sheep rumen conten...

journal_title：Letters in applied microbiology

authors： Burow LC,Gobius KS,Vanselow BA,Klieve AV

更新日期：2005-01-01 00:00:00

abstract：AIM:Combination of immunomagnetic separation (IMS) and lateral flow device (LFD) assays for the development of a sensitive, rapid, on-site methodology that enables concentration and detection of Bacillus anthracis spores in complex samples. METHODS AND RESULTS:The data presents the development of an optimized, 30 min,...

journal_title：Letters in applied microbiology

authors： Fisher M,Atiya-Nasagi Y,Simon I,Gordin M,Mechaly A,Yitzhaki S

更新日期：2009-04-01 00:00:00

abstract：:Fresh-cut produce is at greater risk of Salmonella contamination. Detection and early warning systems play an important role in reducing the dissemination of contaminated products. One-step Reverse Transcription Polymerase Chain Reaction (RT-qPCR) targeting Salmonella tmRNA with or without a 6-h enrichment was evaluat...

journal_title：Letters in applied microbiology

authors： Miao YJ,Xiong GT,Bai MY,Ge Y,Wu ZF

更新日期：2018-05-01 00:00:00

abstract：:Coffee (Coffea arabica L.) is currently grown in many tropical and subtropical areas countries and is a major traded commodity for the developing world. Coffee leaf blight, caused by Phomopsis heveicola, is one of the most important fungal diseases dangerous to coffee crops in China. This study aimed to develop a PCR-...

journal_title：Letters in applied microbiology

authors： Lu Y,Wu WH,He CP,Liang YQ,Huang X,Zheng JL,Xi JG,Tang SB,Yi KX

更新日期：2020-09-26 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：:Actinomyces viscosus strain GA produces an exocellular biological retardant(s) that prevents certain vegetable plants from becoming overgrown. The biological retardant(s) was assayed using the etiolated wheat coleoptile assay, and fractionation of culture supernatant fluid resulted in a partial purification of the ret...

journal_title：Letters in applied microbiology

authors： Bryant FO,Cutler HG

更新日期：1997-08-01 00:00:00

abstract：:A pilot survey of the counts of total coliform bacteria, thermotolerant coliform bacteria, Escherichia coli and faecal streptococci was carried out at eight inland recreational waters at weekly intervals during July 1991. The aims were to assess the feasibility of determining candidate indicators of recreational water...

journal_title：Letters in applied microbiology

authors：

更新日期：1995-10-01 00:00:00

abstract：AIMS:To evaluate the specificity and sensitivity of PCR primers for the detection of Salmonella enterica in a real-time PCR assay using pure cultures. METHODS AND RESULTS:Unenriched whole cells in sterile water were used as template for each PCR. SYBR Green dye was used for the nonspecific detection of dsDNA. The real...

journal_title：Letters in applied microbiology

authors： Csordas AT,Barak JD,Delwiche MJ

更新日期：2004-01-01 00:00:00

abstract：:The physical effects of high-intensity pulsed electric fields (PEF) on the inactivation of diarrhoeagenic Bacillus cereus cells suspended in 0.1% peptone water were examined by transmission electron microscopy (TEM). The levels of PEF-induced microbial cell death were determined by enumeration on tryptone soy yeast ex...

journal_title：Letters in applied microbiology

authors： Rowan NJ,MacGregor SJ,Anderson JG,Fouracre RA,Farish O

更新日期：2000-08-01 00:00:00

abstract：:Protoplasts of Streptomyces flavopersicus with the highest regeneration frequency were isolated from late log phase mycelium grown in a two-stage culture system with 2% glycine in the medium. Of the 11 regeneration media tested, R9 was selected as the most efficient with 29 degrees C as the best temperature. ...

journal_title：Letters in applied microbiology

authors： Lyutzkanova D,Nikolova B,Stoilova-Discheva M,Todorov T

更新日期：1993-04-01 00:00:00

abstract：AIM:To determine whether assessing the penetration of solutions with different concentrations of ethanol (alcohol percentage test: APT) on fungal surfaces is effective in characterization of hydrophobicity on fungal surfaces. METHODS AND RESULTS:APT and contact angle (CA) measurements were conducted on nine hydrophobi...

journal_title：Letters in applied microbiology

authors： Chau HW,Goh YK,Si BC,Vujanovic V

更新日期：2010-03-01 00:00:00

abstract：AIMS:To evaluate the effect of protective agents upon survival of Lactobacillus delbrueckii ssp. bulgaricus during freeze-drying and storage, and selective amino acids on cell membrane fluidity. METHODS AND RESULTS:The protective effect of amino-acids and sugars at different concentrations was studied by determining t...

journal_title：Letters in applied microbiology

authors： Martos GI,Minahk CJ,de Valdez GF,Morero R

更新日期：2007-09-01 00:00:00

abstract：:Plant proteases play a fundamental role in several processes like growth, development and in response to biotic and abiotic stress. In particular, aspartic proteases (AP) are expressed in different plant organs and have antimicrobial activity. Previously, we purified an AP from Salpichroa origanifolia fruits called sa...

journal_title：Letters in applied microbiology

authors： Díaz ME,Rocha GF,Kise F,Rosso AM,Guevara MG,Parisi MG

更新日期：2018-08-01 00:00:00

abstract：UNLABELLED:The mechanisms and organisms involved in the natural formation of volatile organohalogen compounds (VOX) are largely unknown. We provide evidence that the common and widespread soil bacterium Sinorhizobium meliloti strain 1021 is capable of producing up to 3338·6 ± 327·8 ng l(-1) headspace volume of chlorofo...

journal_title：Letters in applied microbiology

authors： Weigold P,Ruecker A,Jochmann M,Osorio Barajas XL,Lege S,Zwiener C,Kappler A,Behrens S

更新日期：2015-10-01 00:00:00

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

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

更新日期：2010-04-01 00:00:00

abstract：:Suitable conditions for the introduction of bacteriophage DNA into cells of Rhodococcus rhodochrous CF222 by electroporation were established, and penicillin G was found to enhance the transfection frequency. When conditions optimal for the parental strain were applied to its colony-morphological mutants, different tr...

journal_title：Letters in applied microbiology

authors： Sunairi M,Iwabuchi N,Murakami K,Watanabe F,Ogawa Y,Murooka H,Nakajima M

更新日期：1996-01-01 00:00:00

abstract：AIMS:To develop and evaluate a new and reliable real-time PCR detection protocol on chromosomal DNA of the contagious plant pathogenic bacterium Erwinia amylovora, the causal agent of fire blight. METHODS AND RESULTS:A Taqman minor-groove-binder real-time PCR assay targeting a hypothetical protein coding gene of Erw. ...

journal_title：Letters in applied microbiology

authors： Gottsberger RA

更新日期：2010-09-01 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：:The genus Taylorella is composed of two species: (i) Taylorella equigenitalis, the causative agent of CEM, a venereally transmitted infection of Equidae and (ii) Taylorella asinigenitalis, a closely related species considered to be nonpathogenic, although experimental infection of mares with this bacterium resulted in...

journal_title：Letters in applied microbiology

authors： Hébert L,Rincé I,Sanna C,Laugier C,Rincé A,Petry S

更新日期：2014-10-01 00:00:00

abstract：AIMS:The antigen 85 complex (Ag85) from Mycobacterium tuberculosis consists of three abundantly secreted proteins (FbpA, FbpB and FbpC2) which play a key role in the pathogenesis of tuberculosis and also exhibit cell wall mycolyltransferase activity. A related protein with similarity to the Ag85 complex was recently an...

journal_title：Letters in applied microbiology

authors： Kremer L,Maughan WN,Wilson RA,Dover LG,Besra GS

更新日期：2002-01-01 00:00:00

abstract：:The cell surface hydrophobicity of micro-organisms is a characteristic that has been associated with the colonization of mammalian epithelia and with their capacity to induce diseases. Melatonin is a hormone produced by the pineal gland that affects the immune response mechanism. This study investigated, as an express...

journal_title：Letters in applied microbiology

authors： Uberos J,Molina A,Liébana J,Augustin MC,Muñoz A

更新日期：2000-10-01 00:00:00

abstract：:The present study was aimed at determining antimicrobial susceptibility by a CLSI standard microdilution testing protocol and detecting the resistance genes of motile Aeromonas species isolated from cultured fish. The importance of the minimum inhibitory concentrations was assessed based on statistically determined ep...

journal_title：Letters in applied microbiology

authors： Duman M,Saticioglu IB,Altun S

更新日期：2020-11-01 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

abstract：:Nineteen strains of vancomycin-resistant Enterococcus faecium isolated from 10 of 75 (13.3%) tenderloin beef samples were examined for resistance to selected antibiotics, presence of plasmids, and genetic diversity by random amplification of polymorphic DNA analysis. All strains showed multiple resistant to the antibi...

journal_title：Letters in applied microbiology

authors： Son R,Nimita F,Rusul G,Nasreldin E,Samuel L,Nishibuchi M

更新日期：1999-08-01 00:00:00