Influence of lactococcal plasmid on the specific growth rate of host cells.

abstract：:In this study, a total of 172 putative omega-3 producers were isolated from 28 sediment samples from the Arabian Gulf employing a selective isolation procedure using marine agar containing 0·1% triphenyl tetrazolium chloride (TTC). Out of these 172 isolates, 19 isolates produced eicosapentaenoic acid (EPA) as confirme...

journal_title：Letters in applied microbiology

authors： Alagarsamy S,Sabeena Farvin KH,Fakhraldeen S,Kooramattom MR,Al-Yamani F

更新日期：2019-08-01 00:00:00

abstract：:Shigella spp. are water-borne pathogens responsible for mild to severe cases bacilli dysentery all around the world known as Shigellosis. The progressively increasing of antibiotic resistance among Shigella calls for developing and establishing novel alternative therapeutic methods. The present study aimed to evaluate...

journal_title：Letters in applied microbiology

authors： Shahin K,Zhang L,Bao H,Hedayatkhah A,Soleimani-Delfan A,Komijani M,He T,Barazandeh M,Mansoorianfar M,Bouzari M,Wang R

更新日期：2020-10-18 00:00:00

abstract：AIMS:The study aim was to determine the presence of total and faecal coliforms on kitchen surfaces, in tap water and on the hands of caregivers in households on both sides of the US-Mexico border. METHODS AND RESULTS:Samples were collected in 135 randomly selected households in Ciudad Juarez, Mexico, and El Paso, Texa...

journal_title：Letters in applied microbiology

authors： Carrasco L,Mena KD,Mota LC,Ortiz M,Behravesh CB,Gibbs SG,Bristol JR,Mayberry L,Cardenas VM

更新日期：2008-06-01 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 compare a range of enrichment broths and enrichment temperatures for the isolation of Escherichia coli O157 by immunomagnetic separation (IMS) from sandy, loam and clay soils. METHODS AND RESULTS:Soils were spiked with cocktails of four atoxigenic strains of E. coli O157 and four strains of commensal E. coli. ...

journal_title：Letters in applied microbiology

authors： Hepburn NF,MacRae M,Johnston M,Mooney J,Ogden ID

更新日期：2002-01-01 00:00:00

abstract：:Emulsions of the fatty acids linoleic (C18:2 n-6), alpha-linolenic (C18:3 n-3) and arachidonic acid (C20:4 n-6) were incubated for 4 h under anaerobic conditions with human faecal suspensions. Linoleic acid was significantly decreased (P < 0.001) and there was a significant rise (P < 0.05) in its hydrogenation product...

journal_title：Letters in applied microbiology

authors： Howard FA,Henderson C

更新日期：1999-09-01 00:00:00

abstract：AIMS:Overproduced alpha-amylases in Bacillus subtilis provoke a specific stress response involving the CssRS two-component system, which controls expression of the HtrA and HtrB proteases. Previously, the B. subtilis TepA protein was implicated in high-level alpha-amylase secretion. Our present studies were aimed at in...

journal_title：Letters in applied microbiology

authors： Westers H,Darmon E,Zanen G,Veening JW,Kuipers OP,Bron S,Quax WJ,van Dijl JM

更新日期：2004-01-01 00:00:00

abstract：:Listonella (Vibrio) anguillarum, an important fish pathogen, is divided into 10 serotypes according to O-antigens present on the outer membrane. However, the biochemical and immunological properties of porin proteins have not been reported. In this study, the antigenicity and N-terminal amino acid sequence of the 35 k...

journal_title：Letters in applied microbiology

authors： Suzuki S,Kuroe K,Yasue K,Kusuda R

更新日期：1996-11-01 00:00:00

abstract：AIMS:To demonstrate that produce rinsates used for RT-qPCR detection of foodborne viruses may cause significant PCR inhibition and propose a means to reduce its impact on sensitivity. METHODS AND RESULTS:Here, it is shown that rinsing and concentration from spinach and precut lettuce have the potential to generate RNA...

journal_title：Letters in applied microbiology

authors： Plante D,Bélanger G,Leblanc D,Ward P,Houde A,Trottier YL

更新日期：2011-03-01 00:00:00

abstract：AIMS:Immunologically based assays for the detection of staphylococcal enterotoxins are numerous. These techniques include radio immunosorbent assays and enzyme-linked immunosorbent assays (ELISA), some of which are available as commercial kits. The purpose of this study was to compare the performances of three commerci...

journal_title：Letters in applied microbiology

authors： Vernozy-Rozand C,Mazuy-Cruchaudet C,Bavai C,Richard Y

更新日期：2004-01-01 00:00:00

abstract：:The use of energy dispersive analysis of X-rays (EDAX) to identify and quantify the presence of chlorhexidine diacetate (CHA) within Saccharomyces cerevisiae cells was examined. Chlorine was used as the elemental marker tag. Saccharomyces cerevisiae cells exposed to 1000 micrograms ml-1 CHA took up increasing amounts ...

journal_title：Letters in applied microbiology

authors： Hiom SJ,Hann AC,Furr JR,Russell AD

更新日期：1995-06-01 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：AIMS:To compare three methods for DNA extraction from Mycobacterium bovis, Mycobacterium tuberculosis and Mycobacterium avium subsp. avium. METHODS AND RESULTS:The DNA was extracted from mycobacterial cultures using enzymatic extraction, combined bead beating and enzymatic extraction and cetyltrimethylammonium bromide...

journal_title：Letters in applied microbiology

authors： Amaro A,Duarte E,Amado A,Ferronha H,Botelho A

更新日期：2008-07-01 00:00:00

abstract：AIMS:The development of a simple, rapid and sensitive method for the screening of chitinase inhibitors using Ostazin Brilliant Red labelled chitin as a substrate for chitinase assay. METHODS AND RESULTS:The colloidal substrate prepared from the Ostazin Brilliant Red labelled chitin was used in the estimation of chitin...

journal_title：Letters in applied microbiology

authors： Shirazi F,Kulkarni M,Deshpande MV

更新日期：2007-06-01 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：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：:Yellow wine lees (YWL) are the main co-products in yellow wine industry with unbalanced amino acid (AA) profiles. Solid-state fermentation was employed in this study to upgrade the YWL for ruminant animals. A 3 × 3 orthogonal design was conducted to optimize the fermentation condition for optimal crude protein (CP) yi...

journal_title：Letters in applied microbiology

authors： Yao KY,Zhang TZ,Wang HF,Liu JX

更新日期：2018-12-01 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：:The L-2,3-butanediol dehydrogenase (L-BDH) gene of Brevibacterium saccharolyticum was strongly expressed in Escherichia coli using the tac promoter. However, the stereospecificity of the resulting L-BDH was reduced. The region upstream of the meso-BDH gene of Klebsiella pneumoniae was also involved in the expression o...

journal_title：Letters in applied microbiology

authors： Ui S,Takusagawa Y,Ohtsuki T,Mimura A,Ohkuma M,Kudo T

更新日期：2001-02-01 00:00:00

abstract：AIMS:To assess the ability of staphylococcal bacteriophage K to inhibit Staphylococcus aureus in raw milk. METHODS AND RESULTS:The ability of bacteriophage (phage) to replicate in milk is important in situations where phage might be used as a therapeutic for bovine mastitis. Phage K was able to replicate normally, lea...

journal_title：Letters in applied microbiology

authors： O'Flaherty S,Coffey A,Meaney WJ,Fitzgerald GF,Ross RP

更新日期：2005-01-01 00:00:00

abstract：:Candida-associated denture stomatitis presents as erythema of the palatal mucosa and is caused by biofilms containing the fungus Candida albicans that co-reside with oral bacteria on the denture-fitting surface. This study aimed to assess the effect of several frequently encountered oral bacteria on the expression of ...

journal_title：Letters in applied microbiology

authors： Morse DJ,Wilson MJ,Wei X,Bradshaw DJ,Lewis MAO,Williams DW

更新日期：2019-04-01 00:00:00

abstract：:The pattern of DNA fragments produced by the polymerase chain reaction using arbitrary primers is strongly influenced by the age of the colonies sampled. We show that the number, clarity and reproducibility of the bands produced is optimal when very young colonies are sampled. ...

journal_title：Letters in applied microbiology

authors： Coutinho HL,Handley BA,Kay HE,Stevenson L,Beringer JE

更新日期：1993-12-01 00:00:00

abstract：UNLABELLED:Industrial biotechnology uses microbiological cells to produce a wide range of products. While the organisms in question are well understood regarding their genetic and molecular properties, less is known about their mechanical properties. Previous work has established a testing procedure for single Saccharo...

journal_title：Letters in applied microbiology

authors： Overbeck A,Kampen I,Kwade A

更新日期：2015-10-01 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：UNLABELLED:Antibiotic-resistant Salmonella strains were isolated from saladette and red round type tomatoes, and an analysis done of the antibacterial activity of roselle calyx extracts against any of the identified strains. One hundred saladette tomato samples and 100 red round tomato samples were collected from publi...

journal_title：Letters in applied microbiology

authors： Gutiérrez-Alcántara EJ,Rangel-Vargas E,Gómez-Aldapa CA,Falfan-Cortes RN,Rodríguez-Marín ML,Godínez-Oviedo A,Cortes-López H,Castro-Rosas J

更新日期：2016-02-01 00:00:00

abstract：AIMS:To develop and evaluate a real-time PCR assay incorporating an internal amplification control (IAC) suitable for the screening of Shiga toxin (Stx)-producing Escherichia coli (STEC) in foods. METHODS AND RESULTS:A competitive IAC was constructed and included in an stx-specific real-time PCR assay. Coupled to 18-h...

journal_title：Letters in applied microbiology

authors： Auvray F,Lecureuil C,Dilasser F,Taché J,Derzelle S

更新日期：2009-05-01 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

abstract：:This study evaluated the performance of CPS ID2 (bioMérieux) compared to that of conventionally used selective agar for the identification of bacteria responsible for urinary tract infections. This medium detects bacterial enzymes using chromogenic substrates. Two hundred and nineteen samples of urine were tested in o...

journal_title：Letters in applied microbiology

authors： Willinger B,Manafi M

更新日期：1995-05-01 00:00:00

abstract：AIMS:To examine changes in membrane fatty acid profile attributed to the physiological adaptation of Lactobacillus helveticus during vacuum drying. METHODS AND RESULTS:The viability and membrane integrity of the cells after vacuum drying were measured by plate counts and DNA fluorescence dyes. The physiological adapta...

journal_title：Letters in applied microbiology

authors： Santivarangkna C,Kulozik U,Kienberger H,Foerst P

更新日期：2009-10-01 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