CAC2634-disrupted mutant of Clostridium acetobutylicum can be electrotransformed in air.

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：:A sandwich enzyme-linked immunosorbent assay to detect staphylococcal enterotoxin B was developed using rat monoclonal antibodies as capture antibodies and as a biotinylated conjugate. This test was sensitive, less than 1 ng/ml of enterotoxin B was detected and interference by protein A was prevented by the use of rat...

journal_title：Letters in applied microbiology

authors： Rogemond V,Da Costa Castro JM,Delaunay T,Cazaux C,Guinet RM

更新日期：1991-09-01 00:00:00

abstract：AIMS:This study assessed the plant growth-promoting ability of the bacterial strains Ochrobactrum intermedium (isolate CrT-1) and Bacillus cereus (isolate S-6). METHODS AND RESULTS:Two chromium resistant bacterial strains isolated from chromium-contaminated wastewater and soils were identified as O. intermedium CrT-1 ...

journal_title：Letters in applied microbiology

authors： Faisal M,Hasnain S

更新日期：2006-10-01 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 aim of this study was to detect the main pathogenic human RNA enteric viruses able to persist in the environment such as astrovirus, enterovirus, norovirus and hepatitis A virus (HAV) in shellfish collected from two locations in northern Tunisia. METHODS AND RESULTS:Viruses were eluted from digestive tissues ...

journal_title：Letters in applied microbiology

authors： Elamri DE,Aouni M,Parnaudeau S,Le Guyader FS

更新日期：2006-10-01 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：AIMS:To investigate the use of a Staphylococcus epidermidis transcriptional regulator gene as target for species-specific determination. METHODS AND RESULTS:Staph. epidermidis genes encoding putative transcriptional regulators were retrieved from GenBank and those showing no homology with other bacterial sequences wer...

journal_title：Letters in applied microbiology

authors： Liu D,Swiatlo E,Austin FW,Lawrence ML

更新日期：2006-09-01 00:00:00

abstract：AIMS:In this study, a capillary polymerase chain reaction (cPCR) was applied for Salmonella detection from poultry meat. METHODS AND RESULTS:Salmonella detection limits of the optimized cPCR were determined with DNA templates from the samples of tetrathionate broth (TTB), Rappaport Vassiliadis broth (RVB) and selenite...

journal_title：Letters in applied microbiology

authors： Gunaydin E,Eyigor A,Carli KT

更新日期：2007-01-01 00:00:00

abstract：AIM:To evaluate the efficacy of electrochemically activated solution (ECASOL) in decontaminating Bacillus anthracis Ames and Vollum 1B spores, with and without changing the source water hardness and final ECASOL pH. METHODS AND RESULTS:Five different ECASOL formulations were generated, in which the source water hardne...

journal_title：Letters in applied microbiology

authors： Rogers JV,Ducatte GR,Choi YW,Early PC

更新日期：2006-11-01 00:00:00

abstract：AIMS:To determine which citric acid-producing strain of Aspergillus niger utilized wet corn distillers grains most effectively to produce citric acid. METHODS AND RESULTS:Citric acid and biomass production by the fungal strains were analysed on the untreated grains or autoclaved grains using an enzyme assay and a grav...

journal_title：Letters in applied microbiology

authors： Xie G,West TP

更新日期：2006-09-01 00:00:00

abstract：AIMS:The genetic diversity of Vibrio cholerae isolated from black tiger shrimp (Penaeus monodon) aquaculture farms was determined using three PCR typing methods based on enterobacterial repetitive intergenic consensus (ERIC) sequences, ribosomal gene spacer (RS) sequence and repetitive extragenic palindromic (REP) sequ...

journal_title：Letters in applied microbiology

authors： Rao BM,Surendran PK

更新日期：2010-07-01 00:00:00

abstract：AIMS:To determine the effect of cold storage on the survival of Erwinia amylovora. METHODS AND RESULTS:The survival of E. amylovora was assessed during storage at 2 degrees C. Populations of E. amylovora inoculated into phosphate-buffered saline remained static, whereas in nutrient media populations increased at low t...

journal_title：Letters in applied microbiology

authors： Taylor RK,Hale CN

更新日期：2003-01-01 00:00:00

abstract：AIMS:Saccharomyces cerevisiae was used for studying the physiological effects of hydrostatic pressure. METHODS AND RESULTS:The effects of hydrostatic pressure on the ultrastructure of wild-type and trehalose-6-phosphate synthase (tps1) mutant cells were investigated by transmission electron microscopy. Pressure induce...

journal_title：Letters in applied microbiology

authors： Fernandes PM,Farina M,Kurtenbach E

更新日期：2001-01-01 00:00:00

abstract：AIMS:To investigate the influence of the growth phase, growth temperature, storage time, pH and aw of the treatment medium on the resistance of Listeria monocytogenes to pulsed electric fields (PEF). METHODS AND RESULTS:Square wave pulses of 2 micros at a frequency of 1 Hz and 25 and 28 kV cm(-1) were used. Cells were...

journal_title：Letters in applied microbiology

authors： Alvarez I,Pagán R,Raso J,Condón S

更新日期：2002-01-01 00:00:00

abstract：:The antimicrobial activities of bovine lactoferrin (bLF), its pepsin hydrolysate (bLFH) and the active peptide lactoferricin B (LFcinB) against four clinical isolates of enterohaemorrhagic Escherichia coli O157:H7 were studied. The MICs against these isolates were 3 mg ml-1 for bLF, 0.1-0.2 mg ml-1 for bLFH and 8-10 m...

journal_title：Letters in applied microbiology

authors： Shin K,Yamauchi K,Teraguchi S,Hayasawa H,Tomita M,Otsuka Y,Yamazaki S

更新日期：1998-06-01 00:00:00

abstract：AIMS:To measure rates of release of small molecules during pressure germination of Bacillus subtilis spores, and the role of SpoVA proteins in dipicolinic acid (DPA) release. METHODS AND RESULTS:Rates of DPA release during B. subtilis spore germination with pressures of 150 or 500 megaPascals were much higher in spore...

journal_title：Letters in applied microbiology

authors： Vepachedu VR,Hirneisen K,Hoover DG,Setlow P

更新日期：2007-09-01 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：AIMS:To determine whether nonspore-forming biothreat agents can survive and persist in potable water that does not contain a disinfectant. METHODS AND RESULTS: Autoclaved, de-chlorinated Atlanta municipal water was inoculated with eight isolates of bacterial biothreat agents (10⁶ CFU ml⁻¹). The inoculated water sample...

journal_title：Letters in applied microbiology

authors： Gilbert SE,Rose LJ

更新日期：2012-09-01 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：AIMS:To identify and compare microbiota in Chinese liquor Daqu, which were produced in the different regions using different production process. METHODS AND RESULTS:The DNA exacted from Daqu samples was used as a template for PCR with universal primers of 16S rRNA, 26S rRNA and 18S rRNA, respectively. The amplicons we...

journal_title：Letters in applied microbiology

authors： Wang HY,Gao YB,Fan QW,Xu Y

更新日期：2011-08-01 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：AIMS:Our goal was to develop a mathematical kinetic model to predict the sporicidal activity of glutaraldehyde, which is an active ingredient frequently used in commercial products employed for liquid disinfection and decontamination. METHODS AND RESULTS:We used our previously published data on spore inactivation by g...

journal_title：Letters in applied microbiology

authors： Retta SM,Sagripanti JL

更新日期：2008-05-01 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：:Microsomal chitinase from yeast and hyphal cells of Candida albicans was activated endogenously by incubation at 30 degrees C and exogenously by trypsin. The putative activating factor of yeast cells was separated from chitinase activity by fractionation of lysed protoplasts on an Iodixanol density gradient. The vacuo...

journal_title：Letters in applied microbiology

authors： Jackson DJ,Saunders VA,Humphreys AM

更新日期：1996-09-01 00:00:00

abstract：:Patterns of long-chain faecal fatty acids were studied by gas-liquid chromatography in 55 newborn infants in a neonatal intensive care unit. Decreased fractions of fatty acid C16:1 and increased fractions of C16:0 and C17:0 were associated with the occurrence of abdominal distension. Decreased fractions of C16:1 and C...

journal_title：Letters in applied microbiology

authors： Ahtonen P,Lehtonen OP,Kero P,Eerola E

更新日期：1997-02-01 00:00:00

abstract：AIMS:To investigate the use of mannitol salt agar (MSA) supplemented with acriflavine for selective growth and quantification of Staphylococcus aureus from flushed dairy manure wastewater (FDMW). METHODS AND RESULTS:Minimal inhibitory concentrations of acriflavine in MSA were determined by comparing the growth of S. a...

journal_title：Letters in applied microbiology

authors： Davis JA,Farrah SR,Wilkie AC

更新日期：2006-06-01 00:00:00

abstract：:Quillaja saponin (QS) was incubated at 39 degrees C in an in vitro medium containing rumen liquor from a cow fed a roughage diet. No degradation of QS was observed up to 6 h of fermentation. Incubation for 9, 12 and 24 h decreased the content of QS by 16%, 45% and 100%. The content of QS did not decrease when incubate...

journal_title：Letters in applied microbiology

authors： Makkar HP,Becker K

更新日期：1997-10-01 00:00:00

abstract：UNLABELLED:The aim of this study was to evaluate the effect of the acid and salt adaptation in a cheese-based medium on the virulence potential of Listeria monocytogenes strains isolated from cheese and dairy processing environment using the Galleria mellonella model. Four L. monocytogenes strains were exposed to a che...

journal_title：Letters in applied microbiology

authors： Schrama D,Helliwell N,Neto L,Faleiro ML

更新日期：2013-06-01 00:00:00

abstract：AIMS:To investigate interactions, if any, between temperature, ferric ammonium citrate and glycine betaine on the growth of Listeria monocytogenes in modified Pine's medium (Pine et al. 1989). METHODS AND RESULTS:Modified Pine's medium containing 0, 0.044, 0.088 or 0.176 g l(-1) ferric ammonium citrate, and 0 or 1 mM ...

journal_title：Letters in applied microbiology

authors： Dykes GA,Dworaczek M

更新日期：2002-01-01 00:00:00

abstract：:Nicotinic acid (NA) is ubiquitous in nature and its microbial degradation mechanisms are diverse. In this study, Pusillimonas sp. strain T2 was found to be capable of utilizing NA as sole carbon and nitrogen sources. This strain could completely degrade 300 mg l-1 NA within 3·5 h at 30°C and pH 7·0 and one of the degr...

journal_title：Letters in applied microbiology

authors： Yuan M,Zhang Y,Zhao L,Ma Y,He Q,He J,Qiu J

更新日期：2018-04-01 00:00:00