Antimicrobial and antiadhesive properties of a biosurfactant isolated from Lactobacillus paracasei ssp. paracasei A20.

abstract：UNLABELLED:This work aimed to study the interaction between Actinomycetal isolates and Aspergillus flavus to promote mutual antagonism in contact. Thirty-seven soilborn Streptomyces spp. isolates were chosen as potential candidates. After a 10-day in vitro co-incubation period, 27 isolates respond to the criteria, that...

journal_title：Letters in applied microbiology

authors： Verheecke C,Liboz T,Darriet M,Sabaou N,Mathieu F

更新日期：2014-06-01 00:00:00

abstract：:Amphotericin B (AmB), a typical polyene macrolide antifungal agent, is widely used to treat systemic mycoses. In the present study, we show that the fungicidal activity of AmB was enhanced by benzyl isothiocyanate (BITC), a cruciferous plant-derived compound, in the budding yeast, Saccharomyces cerevisiae. In addition...

journal_title：Letters in applied microbiology

authors： Yamada N,Murata W,Yamaguchi Y,Fujita KI,Ogita A,Tanaka T

更新日期：2020-10-31 00:00:00

abstract：:Natural enzyme inhibitors have been widely described in literature because of its pharmacological and cosmetic applications. Fungi found in caves represent a promising source of bioactive substances that are still little explored scientifically. Thus, the present work evaluated the presence of enzymatic modulators in ...

journal_title：Letters in applied microbiology

authors： Cardoso MGB,Trento MVC,Reis CH,Marcussi S,Cardoso PG

更新日期：2019-08-01 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：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：AIM:To identify the gene that encodes nigrescin, a bacteriocin produced by Prevotella nigrescens ATCC 25261. METHODS AND RESULTS:Each open reading frame (ORF) of the nig gene cluster (nigA, nigB, nigC and nigD) was transferred into an expression vector. The recombinant proteins encoded by nigA, nigB, nigC and nigD wer...

journal_title：Letters in applied microbiology

authors： Teanpaisan R,Narawatthana S,Utarabhand P

更新日期：2009-09-01 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：AIMS:Food-borne pathogen inhibition was tested in the presence of a mixture of Lactobacillus acidophilus and Lactobacillus casei during fermentation under controlled pH conditions. METHODS AND RESULTS:The growth of Escherichia coli O157:H7, Salmonella serotype Typhimurium, Staphylococcus aureus, Listeria innocua, Ente...

journal_title：Letters in applied microbiology

authors： Millette M,Luquet FM,Lacroix M

更新日期：2007-03-01 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：AIMS:The study was carried out to evaluate the use of randomly amplified polymorphic DNA-polymerase chain reaction (RAPD-PCR) as a method for the identification of lactobacilli isolated from meat products. METHODS AND RESULTS:RAPD-PCR with primers M13 and D8635 was applied to the identification and intraspecific diffe...

journal_title：Letters in applied microbiology

authors： Andrighetto C,Zampese L,Lombardi A

更新日期：2001-07-01 00:00:00

abstract：:PCR primers were selected from the flagellin gene sequences flaA and flaB of Campylobacter coli to amplify DNA from Camp. jejuni and Camp. coli. When the PCR products were analysed by hybridization to an internal probe immobilized in microtitre wells, positive reactions were observed only for strains of Camp. jejuni a...

journal_title：Letters in applied microbiology

authors： Rasmussen HN,Olsen JE,Jørgensen K,Rasmussen OF

更新日期：1996-11-01 00:00:00

abstract：AIMS:Tuberculous pleurisy is an important cause of pleural effusions in areas with a high incidence of tuberculosis. In this study, we developed an IS1081-based LAMP for the detection of Mycobacterium tuberculosis complex and investigated its usefulness in the diagnosis of tuberculous pleurisy. METHODS AND RESULTS:Inv...

journal_title：Letters in applied microbiology

authors： Yang B,Wang X,Li H,Li G,Cao Z,Cheng X

更新日期：2011-11-01 00:00:00

abstract：AIMS:The aim of this study was to detect and quantify DNA of the ochratoxinogenic fungus Aspergillus ochraceus in green coffee and to compare the results with the ochratoxin A content of naturally contaminated samples. METHODS AND RESULTS:A DNA extraction protocol based on a combination of ultrasonification and a comm...

journal_title：Letters in applied microbiology

authors： Schmidt H,Bannier M,Vogel RF,Niessen L

更新日期：2004-01-01 00:00:00

abstract：:Five phage types have been identified in 38 strains of Salmonella enteritidis isolated in Turkey in the 20-month period June 1992-January 1994. Strains belonging to phage type 4 predominated. Within phage type 4, plasmid profile typing has proved a useful method of strain discrimination and has confirmed the identity ...

journal_title：Letters in applied microbiology

authors： Erdem B,Threlfall EJ,Schofield SL,Ward LR,Rowe B

更新日期：1994-10-01 00:00:00

abstract：:The objective of this study was to undertake a microbiological survey of foods, animal faeces and wastewater samples for Clostridium difficile, and determine the genotypes and antimicrobial susceptibilities of isolates. A total of 211 samples were tested for C. difficile using culture methods. Thirteen toxigenic C. di...

journal_title：Letters in applied microbiology

authors： Rivas L,Dupont PY,Gilpin BJ,Cornelius AJ

更新日期：2020-01-01 00:00:00

abstract：AIMS:The objective of this study is to actively express a novel fibrinolytic enzyme, subtilisin DFE (douchi fibrinolytic enzyme), in Escherichia coli. METHODS AND RESULTS:The DNA fragments encoding pro-subtilisin DFE was amplified and cloned into the vector pET32a to obtain N-terminal Trx fusion expression plasmid. Th...

journal_title：Letters in applied microbiology

authors： Zhang RH,Xiao L,Peng Y,Wang HY,Bai F,Zhang YZ

更新日期：2005-01-01 00:00:00

abstract：AIMS:To measure the microbial removal capacity of a small-scale hydroponics wastewater treatment plant. METHODS AND RESULTS:Paired samples were taken from untreated, partly-treated and treated wastewater and analysed for faecal microbial indicators, i.e. coliforms, Escherichia coli, enterococci, Clostridium perfringen...

journal_title：Letters in applied microbiology

authors： Ottoson J,Norström A,Dalhammar G

更新日期：2005-01-01 00:00:00

abstract：AIMS:We report the analysis of genetic determinants conferring resistance to pristinamycin in Staphylococcus epidermidis strains and epidemiology typing of these strains by pulsed-field gel electrophoresis. METHODS AND RESULTS:Staphylococcus epidermidis (346 isolates) were searched for strains with pristinamycin resis...

journal_title：Letters in applied microbiology

authors： Achour W,Bouchami O,Galopin S,Leclercq R,Ben Hassen A

更新日期：2008-03-01 00:00:00

abstract：:Live shellfish samples (120) were collected from nine littoral sites in Brittany (western France). They were screened for Listeria spp. and a count of faecal coliforms was carried out. Analysis of the results revealed Listeria spp. in 55% of samples, a much higher rate than the previous, infrequent, recorded data. Fur...

journal_title：Letters in applied microbiology

authors： Monfort P,Minet J,Rocourt J,Piclet G,Cormier M

更新日期：1998-03-01 00:00:00

abstract：AIMS:The aim of this study was to explore the occurrence of methicillin-resistant staphylococci in a large urban public transport system. METHODS AND RESULTS:Samples were taken from hand rails, which passengers hold onto when they are standing. In total, 1400 swabs taken from 55 vehicles (trolleybuses, trams and buses...

journal_title：Letters in applied microbiology

authors： Stepanović S,Cirković I,Djukić S,Vuković D,Svabić-Vlahović M

更新日期：2008-10-01 00:00:00

abstract：:The fate of Salmonella enteritidis PT4 in home-made mayonnaise prepared with citric acid solution (citric acid concentration of > or = 4.98% (w/v)) was investigated. It was found that pH of mayonnaise is closely related to the ratio of egg yolk to citric acid, and the inactivation rate of the micro-organisms increases...

journal_title：Letters in applied microbiology

authors： Xiong R,Xie G,Edmondson AS

更新日期：1999-01-01 00:00:00

abstract：:Irreversible electroporation (IRE) damages cell membranes and is used in medicine for nonthermal ablation of malignant tumours. Our aim was to evaluate the antimicrobial effect of IRE. The pathogenic micro-organisms, Staphylococcus aureus, Streptococcus pyogenes, Escherichia coli, Pseudomonas aeruginosa and Candida al...

journal_title：Letters in applied microbiology

authors： Korem M,Goldberg NS,Cahan A,Cohen MJ,Nissenbaum I,Moses AE

更新日期：2018-07-01 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：:In order to evaluate possible indicators of viral aerosol contamination in sewage treatment plants, a year-long study was carried out on the relationships between the presence of cytopathogenic viruses and the counts of total bacteria, faecal streptococci and somatic coliphages in samples collected at various distance...

journal_title：Letters in applied microbiology

authors： Carducci A,Gemelli C,Cantiani L,Casini B,Rovini E

更新日期：1999-03-01 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：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: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：: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：:Iron availability plays an important role in the virulence of micro-organisms, which develops different systems for iron acquisition. The expression of genes involved in iron uptake systems is usually regulated by Fur, a transcriptional regulator. Plesiomonas shigelloides is a Gram-negative food- and water-borne enter...

journal_title：Letters in applied microbiology

authors： Rodríguez-Rodríguez S,Santos JA

更新日期：2018-04-01 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