Hydrolytic properties of crude alpha-L-rhamnosidases produced by several wild strains of mesophilic fungi.

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：:Fifty-five isolates of nine species and two species varieties (5 isolates each) of the Aspergillus niger group were tested for progesterone transformation. Generally, all isolates of the different species transformed progesterone to 21-hydroxyprogesterone. In addition, the isolates of seven species have the capacity t...

journal_title：Letters in applied microbiology

authors： Mostafa ME

更新日期：1995-04-01 00:00:00

abstract：:Enterococci were isolated from faecal droppings of chickens in broiler and layer farms and the susceptibilities to nine therapeutic antimicrobial agents and six growth-promoting antibiotics were determined by the agar dilution method. Resistance to therapeutic antimicrobial agents such as ampicillin, clindamycin, eryt...

journal_title：Letters in applied microbiology

authors： Yoshimura H,Ishimaru M,Endoh YS,Kojima A

更新日期：2000-12-01 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：:Phorate [O,O-diethyl-S-(ethylthio)methyl phosphoradiothioate] degrading bacteria were isolated from agricultural soil and characterized based on their morphological and biochemical characteristics. The selected isolates PS-1, PS-2 and PS-3 were presumptively identified as Rhizobium, Pseudomonas and Proteous species, r...

journal_title：Letters in applied microbiology

authors： Bano N,Musarrat J

更新日期：2003-01-01 00:00:00

abstract：:Autoaggregation was frequently encountered among intestinal lactobacilli isolated from weaned pigs. The aggregation mechanism was shown to be mediated by the production of a proteinaceous aggregation-promoting factor in two strains of Lactobacillus reuteri. A 32 kDa aggregation-promoting protein was detected in these ...

journal_title：Letters in applied microbiology

authors： Kmet V,Callegari ML,Bottazzi V,Morelli L

更新日期：1995-12-01 00:00:00

abstract：AIMS:The current standard culture methods are unable to detect nongrowing bacteria and, thus, might not be sufficient for precise monitoring of the microbiological quality of waters. The use of a molecular method such as PCR could be a valid alternative to detect bacterial faecal contamination indicators such as Escher...

journal_title：Letters in applied microbiology

authors： Lleo MM,Bonato B,Tafi MC,Signoretto C,Pruzzo C,Canepari P

更新日期：2005-01-01 00:00:00

abstract：:The ability of chemotherapeutic agents to affect the growth of common bacterial pathogens and the relationship between the effects of chemotherapeutics and antimicrobials is largely unknown. The purpose of this study was to describe the susceptibility of canine bacterial isolates to chemotherapeutic agents and to comp...

journal_title：Letters in applied microbiology

authors： Campbell O,Gagnon J,Rubin JE

更新日期：2019-11-01 00:00:00

abstract：AIMS:The gram-positive bacterial genus Lactococcus has been taxonomically classified into seven species (Lactococcus lactis, Lactococcus garvieae, Lactococcus piscium, Lactococcus plantarum, Lactococcus raffinolactis, Lactococcus chungangensis and Lactococcus fujiensis). This study aimed to develop a novel multiplex po...

journal_title：Letters in applied microbiology

authors： Odamaki T,Yonezawa S,Kitahara M,Sugahara Y,Xiao JZ,Yaeshima T,Iwatsuki K,Ohkuma M

更新日期：2011-05-01 00:00:00

abstract：:The present study demonstrates the siderophore production of two strains of Pseudomonas fluorescens and two of Ps. chlororaphis. The antimicrobial activities of these strains were studied against Salmonella typhimurium, Staphylococcus aureus, Fusarium culmorum, F. oxysporum and Aspergillus niger. Despite equal siderop...

journal_title：Letters in applied microbiology

authors： Laine MH,Karwoski MT,Raaska LB,Mattila-Sandholm TM

更新日期：1996-03-01 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

abstract：AIMS:To explore the effect of Lactobacillus on redox state of colon chyme. METHODS AND RESULTS:Nine Lactobacillus strains were studied for the inhibition of lipid peroxide formation in Fe(2+)/ascorbate system and for their ability to chelate 'free' ferrous ion. The result shows both properties were strain specific and...

journal_title：Letters in applied microbiology

authors： Sun J,Hu XL,Le GW,Shi YH

更新日期：2010-03-01 00:00:00

abstract：:Understanding mechanisms of the novel SARS-CoV2 infection and progression can provide potential novel targets for prevention and/or treatment. This could be achieved via the inhibition of viral entry and/or replication, or by suppression of the immunologic response that is provoked by the infection (known as the cytok...

journal_title：Letters in applied microbiology

authors： Akour A

更新日期：2020-09-01 00:00:00

abstract：AIMS:To develop an intergeneric conjugation system for rimocidin-producing Streptomyces rimosus. METHODS AND RESULTS:High efficiencies of conjugation [10(-2)-10(-3) transconjugants/recipient colony forming units (CFU)] were obtained when spores of S. rimosus were heat treated at 40 degrees C for 10 min prior to mixing...

journal_title：Letters in applied microbiology

authors： Phornphisutthimas S,Sudtachat N,Bunyoo C,Chotewutmontri P,Panijpan B,Thamchaipenet A

更新日期：2010-05-01 00:00:00

abstract：:The aim of this study was to determine the epidemiology (location, microbial load, microbiome, presence/absence of biofilm and pathogens, including ESKAPE-Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacter species, and antimicrobial susc...

journal_title：Letters in applied microbiology

authors： Costa DM,Johani K,Melo DS,Lopes LKO,Lopes Lima LKO,Tipple AFV,Hu H,Vickery K

更新日期：2019-04-01 00:00:00

abstract：:For pyruvate-producing strains, intracellular reduced nicotinamide adenine dinucleotide (NADH) accumulation is the main reason for the glycolysis inhibition. Comparing with glucose, using sodium gluconate as carbon source brought a decrease in NADH production and an increase in pyruvate production in engineered strain...

journal_title：Letters in applied microbiology

authors： Yang M,Mu T,Zhong W,Olajuyin AM,Xing J

更新日期：2017-08-01 00:00:00

abstract：UNLABELLED:Human bikunin is a glycoprotein that exhibits trypsin inhibitory activity against serine proteases, and is effective in clinic. However, limited productivity and high price of human bikunin retard its further application. In this study, a high-yield, low-cost process of recombinant human bikunin (rh-bikunin)...

journal_title：Letters in applied microbiology

authors： Yao M,Zhang J,Wang X

更新日期：2015-10-01 00:00:00

abstract：UNLABELLED:Several serological diagnostics rely on enzyme-linked immunosorbent assay (ELISA) to detect bacterial infections. However, for some pathogens, including Bartonella henselae, diagnosis still depends on manually intensive, time-consuming assays including micro-immunofluorescence, Western blotting or indirect i...

journal_title：Letters in applied microbiology

authors： Ferrara F,Di Niro R,D'Angelo S,Busetti M,Marzari R,Not T,Sblattero D

更新日期：2014-09-01 00:00:00

abstract：:Heat stable antifungal factor (HSAF) is considered to be a potential biological pesticide due to its broad antifungal activity and novel mode of action. However, few studies have reported on HSAF production during fermentation. Thus, this work was executed to optimize the medium composition to maximize HSAF production...

journal_title：Letters in applied microbiology

authors： Tang B,Zhao YC,Shi XM,Xu HY,Zhao YY,Dai CC,Liu FQ

更新日期：2018-05-01 00:00:00

abstract：:The yield of purified recombinant alpha-sarcin increases approximately three- to fourfold when this toxin is co-expressed in Escherichia coli with thioredoxin. This increased production is attributed to the existence, in the presence of thioredoxin, of a reducing environment which allows rearrangement of incorrect dis...

journal_title：Letters in applied microbiology

authors： García-Ortega L,Lacadena J,Lacadena V,Masip M,De Antonio C,Martínez-Ruiz A,Martínez Del Pozo A

更新日期：2000-04-01 00:00:00

abstract：UNLABELLED:Most of the current research into the quantification of soil-borne pathogenic oomycetes lacks determination of DNA extraction efficiency, probably leading to an incorrect estimation of DNA quantity. In this study, we developed a convenient method by using a 100 bp artificially synthesized DNA sequence derive...

journal_title：Letters in applied microbiology

authors： Li M,Ishiguro Y,Kageyama K,Zhu Z

更新日期：2015-08-01 00:00:00

abstract：:The marine antimicrobial peptide NZ17074, a variant of arenicin-3 from Arenicola marina that has broad antimicrobial activity and high bioavailability, can be designed to treat bacterial and fungal diseases. To reduce the toxicity of NZ17074, N6 was designed by replacing a cysteine in positions 3 and 20 with alanine, ...

journal_title：Letters in applied microbiology

authors： Yang N,Wang X,Teng D,Mao R,Hao Y,Feng X,Wang J

更新日期：2017-09-01 00:00:00

abstract：AIMS:To test the inhibitory activity of 2-nitro-1-propanol (2NPOH) against Salmonella Typhimurium, Escherichia coli O157:H7 and Enterococcus faecalis. METHODS AND RESULTS:Specific growth rates (h(-1)) of S. Typhimurium, E. coli O157:H7 and Ent. faecalis were determined during culture in tryptic soya broth (TSB) supple...

journal_title：Letters in applied microbiology

authors： Jung YS,Anderson RC,Callaway TR,Edrington TS,Genovese KJ,Harvey RB,Poole TL,Nisbet DJ

更新日期：2004-01-01 00:00:00

abstract：UNLABELLED:The unicellular freshwater green microalga Haematococcus pluvialis is the richest source of natural astaxanthin. Since accumulation of astaxanthin differs significantly among various algal strains at different stages, it is therefore critical to develop an effective high-throughput assay for rapid screening ...

journal_title：Letters in applied microbiology

authors： Liu JH,Song L,Huang Q

更新日期：2016-02-01 00:00:00

abstract：AIMS:Oenococcus oeni is a lactic acid bacterium used in wine fermentation. Two open reading frames (orfB and orfC) were identified in the upstream region of the hsp18 gene, encoding the small heat-shock protein Lo18. Expression of these genes in conditions of acid stress was studied in Escherichia coli. METHODS AND RE...

journal_title：Letters in applied microbiology

authors： Morel F,Delmas F,Jobin MP,Diviès C,Guzzo J

更新日期：2001-08-01 00:00:00

abstract：:In a crossover study, volunteers consumed a diet supplemented with either wheat or rye bread. Levels of faecal mucus were determined and the adhesion of five selected probiotics to immobilized intestinal mucus, was assessed. No significant difference in the concentration of faecal mucus or adhesion of the probiotics t...

journal_title：Letters in applied microbiology

authors： Ouwehand AC,Gråsten S,Niemi P,Mykkänen H,Salminen S

更新日期：2000-07-01 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

abstract：:An efficient method is described for the purification of Ti plasmid DNA from Agrobacterium. The procedure is based on the relative binding capacity of ethidium bromide to supercoiled plasmid DNA and linear DNA and on the high solubility of ethidium bromide in phenol. Following treatment with ethidium bromide, more tha...

journal_title：Letters in applied microbiology

authors： Zhang L,Kerr A

更新日期：1993-05-01 00:00:00

abstract：:To investigate the potential activation of hydrogen peroxide by a novel catalyst, reducing the concentration of hydrogen peroxide required and the time taken for mycobactericidal activity. The mycobactericidal properties of an iron-based novel heterogeneous-modified polyacrylonitrile (PAN) catalyst in combination with...

journal_title：Letters in applied microbiology

authors： Price SL,Huddersman KD,Shen J,Walsh SE

更新日期：2013-02-01 00:00:00

abstract：AIMS:The aims of this study were to investigate in vitro the effects of Lactobacillus isolates from a chicken on adhesion of pathogenic Salmonella and Escherichia coli to chicken intestinal mucus obtained from different intestinal regions. METHODS AND RESULTS:Bacteria were labelled by using methyl-1,2-[(3)H]-thymidine...

journal_title：Letters in applied microbiology

authors： Ma YL,Guo T,Xu ZR,You P,Ma JF

更新日期：2006-04-01 00:00:00