Optimization of process variables for minimization of byproduct formation during fermentation of blackstrap molasses to ethanol at industrial scale.

abstract：AIMS:To test the suitability of cheese whey powder (CWP) solution for ethanol fermentation and to compare performances of different Kluyveromyces marxianus strains for ethanol fermentation from CWP solution. METHODS AND RESULTS:Batch ethanol fermentation of cheese whey (CW), CWP and lactose solutions with the same ini...

journal_title：Letters in applied microbiology

authors： Ozmihci S,Kargi F

更新日期：2007-06-01 00:00:00

abstract：AIMS:The goal of the study was to develop a reliable, reproducible and rapid method of culture in order to screen a large number of fungal transformants. METHODS AND RESULTS:The method is based upon miniaturized cell cultures and automated expression screening in microwell plates. For the method development, 50 recomb...

journal_title：Letters in applied microbiology

authors： Alberto F,Navarro D,de Vries RP,Asther M,Record E

更新日期：2009-08-01 00:00:00

abstract：:A strain of Bacillus thuringiensis, STB-1, toxic against Spodoptera exigua, was isolated. Bacillus thuringiensis STB-1 produced bipyramidal inclusions and reacted with the H antiserum of B. thuringiensis ssp. kurstaki. The plasmid and protein profiles of B. thuringiensis STB-1 were compared with those of its reference...

journal_title：Letters in applied microbiology

authors： Chang JH,Roh JY,Je YH,Park HW,Jin BR,Woo SD,Kang SK

更新日期：1998-05-01 00:00:00

abstract：AIMS:To propose a universal workflow of sample preparation method for the identification of highly pathogenic bacteria by MALDI-TOF MS. METHODS AND RESULTS:Fifteen bacterial species, including highly virulent Gram-positive (Bacillus anthracis and Clostridium botulinum) and Gram-negative bacteria (Brucella melitensis, ...

journal_title：Letters in applied microbiology

authors： Drevinek M,Dresler J,Klimentova J,Pisa L,Hubalek M

更新日期：2012-07-01 00:00:00

abstract：AIMS:The aim of this study was to investigate the role of divercin V41 in inhibition and prevention of Listeria monocytogenes. METHODS AND RESULTS:Carnobacterium divergens V41 deficient in bacteriocin production was isolated and characterized by enzyme-liked immunosorbent assay, multiplex polymerase chain reaction and...

journal_title：Letters in applied microbiology

authors： Richard C,Brillet A,Pilet MF,Prévost H,Drider D

更新日期：2003-01-01 00:00:00

abstract：:A series of experiments was conducted to identify the molecular species responsible for surface active emulsification (surfactant) bioactivity in Bacillus subtilis subsp. subtilis strain ATCC PTA-125135, and to describe culture conditions to support the enriched production of said bioactivity in cultured plaque of the...

journal_title：Letters in applied microbiology

authors： Krueger LA,Grzemski MA,Bilyeu MC,Horst JG,Ugrin SA,Hosette CA,Spangler DA,Ayangbile GA

更新日期：2020-11-01 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：:Enterohaemorrhagic Escherichia coli (EHEC) agar was evaluated for its ability to recover one isolate of each of three serotypes (O157:H7, O26 and O113:H21) of shiga toxin-producing E. coli (STEC) from raw mince, pasteurized milk and salami after enrichment. The method detected around one colony-forming unit (cfu) in 2...

journal_title：Letters in applied microbiology

authors： Hudson JA,Nicol C,Capill J,Bennett J

更新日期：2000-02-01 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：AIMS:To determine the production of reuterin by lactobacilli isolates from pig faeces and to evaluate their potential as probiotic bacteria. METHODS AND RESULTS:Twenty-eight of 165 lactobacilli isolates produced reuterin in the presence of glycerol. Six isolates yielding high levels of reuterin with respect to type st...

journal_title：Letters in applied microbiology

authors： Rodríguez E,Arqués JL,Rodríguez R,Nuñez M,Medina M

更新日期：2003-01-01 00:00:00

abstract：AIMS:To provide evidence that DNA-PCR diagnostics of oral pathogens based on standard sample collection by paper point insertion from the depth of the periodontal pocket can be replaced by a novel non-invasive collection method based on swab technique from the gingiva. METHODS AND RESULTS:In this study we compared the...

journal_title：Letters in applied microbiology

authors： Smola SF,Rettenberger G,Simmet T,Burysek L

更新日期：2003-01-01 00:00:00

abstract：:Candida albicans is an opportunistic fungus, which causes vulvovaginal candidiasis (VVC). The aim of this study was to evaluate Mrr2 mutation and its expression levels and Candida drug resistance 1 (Cdr1) in C. albicans associated with fluconazole (FCA) resistance. We identified 80 isolates of C. albicans from 155 vag...

journal_title：Letters in applied microbiology

authors： Feng W,Yang J,Ji Y,Xi Z,Yang L,Zhu X,Ma Y

更新日期：2020-02-01 00:00:00

abstract：:Colicin V is a small, proteinaceous bacterial toxin, produced by many strains of Escherichia coli and other members of the Enterobacteriaceae, that fits the definition of class II bacteriocins of Gram-positive bacteria. Export of colicin V is dependent on specific ABC (ATP-binding cassette) secretion proteins which re...

journal_title：Letters in applied microbiology

authors： McCormick JK,Klaenhammer TR,Stiles ME

更新日期：1999-07-01 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 characterize the bacterial communities in commercial total mixed ration (TMR) silage, which is known to have a long bunk life after silo opening. METHODS AND RESULTS:Samples were collected from four factories that produce TMR silage according to their own recipes. Three factories were sampled three times at 1-...

journal_title：Letters in applied microbiology

authors： Wang C,Nishino N

更新日期：2010-10-01 00:00:00

abstract：:Control of biofouling on seawater reverse osmosis (SWRO) membranes is a major challenge as treatments can be expensive, damage the membrane material and often biocides do not remove the polymers in which bacteria are embedded. Biological control has been largely ignored for biofouling control. The objective of this st...

journal_title：Letters in applied microbiology

authors： Nagaraj V,Skillman L,Li D,Xie Z,Ho G

更新日期：2017-07-01 00:00:00

abstract：AIMS:This study sought to evaluate the performance of two chromogenic media designed for the isolation of vancomycin-resistant enterococci (VRE) and compare them with a traditional bile-esculin medium for the isolation of VRE from stool samples. METHODS AND RESULTS:A total of 285 stool samples were inoculated onto Chr...

journal_title：Letters in applied microbiology

authors： Asir K,Wilkinson K,Perry JD,Reed RH,Gould FK

更新日期：2009-02-01 00:00:00

abstract：AIMS:The study was aimed to evaluate the Mycobacterium leprae recombinant early secreted antigenic target-6 (rESAT-6) for its serological performance in leprosy patients. METHODS AND RESULTS:Employing enzyme-linked immunosorbent assay (ELISA), serum samples were tested for prevalence of immunoglobulin G antibodies aga...

journal_title：Letters in applied microbiology

authors： Parkash O,Pandey R,Kumar A,Kumar A

更新日期：2007-05-01 00:00:00

abstract：UNLABELLED:The objective of this study was to evaluate the effect of different caffeine concentrations (0-4%) on (i) lag phase prior to growth, (ii) growth rates and (iii) ochratoxin A (OTA) production by strains from the Aspergillus section Circumdati and Aspergillus section Nigri groups, isolated from coffee, when gr...

journal_title：Letters in applied microbiology

authors： Akbar A,Medina A,Magan N

更新日期：2016-07-01 00:00:00

abstract：AIMS:The aims of this study are to obtain the draft genome sequence of Streptomyces coelicoflavus ZG0656, which produces novel acarviostatin family α-amylase inhibitors, and then to reveal the putative acarviostatin-related gene cluster and the biosynthetic pathway. METHODS AND RESULTS:The draft genome sequence of S. ...

journal_title：Letters in applied microbiology

authors： Guo X,Geng P,Bai F,Bai G,Sun T,Li X,Shi L,Zhong Q

更新日期：2012-08-01 00:00:00

abstract：:Shiga toxin-producing Escherichia coli (STEC) O157:H7 is a worldwide concern. Cattle are their main reservoir and may contaminate watercourses through manure. We characterized a collection of 38 STEC O157:H7 strains isolated from surface water in feedlots areas (puddles inside pens formed after the rainfall or by spil...

journal_title：Letters in applied microbiology

authors： Tanaro JD,Pianciola LA,D'Astek BA,Piaggio MC,Mazzeo ML,Zolezzi G,Rivas M

更新日期：2018-06-01 00:00:00

abstract：:The hydrogen peroxide (H2O2) stress response in Enterococcus faecalis ATCC19433 was investigated. A 2.4 mmol l-1 H2O2 pretreatment conferred protection against a lethal concentration (45 mmol l-1) of this agent. The relatively high concentrations of H2O2 used for adaptation and challenge treatments in Ent. faecalis em...

journal_title：Letters in applied microbiology

authors： Flahaut S,Laplace JM,Frère J,Auffray Y

更新日期：1998-04-01 00:00:00

abstract：:The effect of liquid mechanical vibration on the adhesion of Saccharomyces cerevisiae cells to the internal glass surface of a pipette was studied using a 25 Hz vibration source. The maximum vibration amplitude was 1.06 mm (peak to peak) along the pipette direction. Relative movements between the pipette and yeast sus...

journal_title：Letters in applied microbiology

authors： Jiang C,Yu H,Ding Z,Ma Y

更新日期：1996-07-01 00:00:00

abstract：UNLABELLED:Most plant species are colonized by endophytic bacteria. Despite their importance for plant health and growth, the response of these bacteria to grassland management regimes is still not understood. Hence, we investigated the bacterial community structure in three agricultural important grass species Dactyli...

journal_title：Letters in applied microbiology

authors： Wemheuer F,Wemheuer B,Kretzschmar D,Pfeiffer B,Herzog S,Daniel R,Vidal S

更新日期：2016-04-01 00:00:00

abstract：AIMS:To immobilize Methylobacterium sp. NP3 and Acinetobacter sp. PK1 to silica and determine the ability of the immobilized bacteria to degrade high concentrations of phenol. METHODS AND RESULTS:The phenol degradation activity of suspended and immobilized Methylobacterium sp. NP3 and Acinetobacter sp. PK1 bacteria wa...

journal_title：Letters in applied microbiology

authors： Khongkhaem P,Intasiri A,Luepromchai E

更新日期：2011-05-01 00:00:00

abstract：AIMS:This study aimed to identify a simple, inexpensive preservation technique that will allow a quick and reliable recovery of Campylobacter jejuni following long-term periods of preservation. METHODS AND RESULTS:Preservation techniques include (i) Cryobank microbial preservation system using hypertonic 'cryopreserva...

journal_title：Letters in applied microbiology

authors： Gorman R,Adley CC

更新日期：2004-01-01 00:00:00

abstract：AIM:To quantify the influence of trimethylamine-N-oxide (TMAO) on the heat resistance of Escherichia coli K12 MG1655 cells at static temperatures. METHODS AND RESULTS:Stationary-phase E. coli cells were inactivated at 52, 54 and 58°C. The heat resistance is described as reduction in the inactivation rate, k(max) , and...

journal_title：Letters in applied microbiology

authors： Velliou EG,Van Derlinden E,Cappuyns AM,Aerts D,Nikolaidou E,Geeraerd AH,Devlieghere F,Van Impe JF

更新日期：2011-02-01 00:00:00

abstract：UNLABELLED:The influence of oenological factors on cold-active pectinases from 15 preselected indigenous yeasts belonging to Aureobasidium pullulans, Filobasidium capsuligenum, Rhodotorula dairenensis, Cryptococcus saitoi and Saccharomyces cerevisiae was investigated. Pectinolytic enzymes were constitutive or partially...

journal_title：Letters in applied microbiology

authors： Merín MG,Morata de Ambrosini VI

更新日期：2015-05-01 00:00:00

abstract：AIMS:  This paper utilized quantitative LC-MS/MS to profile the short-chain acyl-CoA levels of several strains of Escherichia coli engineered for heterologous polyketide production. To further compare and potentially expand the levels of available acyl-CoA molecules, a propionyl-CoA synthetase gene from Ralstonia solan...

journal_title：Letters in applied microbiology

authors： Armando JW,Boghigian BA,Pfeifer BA

更新日期：2012-02-01 00:00:00

abstract：AIMS:This work was carried out to determine if there was a difference in the microbial population of the rumen associated with daylength at which sheep are housed. METHODS AND RESULTS:Denaturing gradient gel electrophoresis (DGGE) was used to study the ciliate and bacterial diversity in the rumen of Soay rams kept in ...

journal_title：Letters in applied microbiology

authors： McEwan NR,Abecia L,Regensbogenova M,Adam CL,Findlay PA,Newbold CJ

更新日期：2005-01-01 00:00:00