Probiotics and COVID-19: is there any link?

abstract：AIMS:The objective of the present study was to determine the optimal culture conditions for exo-biopolymer production by Cordyceps militaris in shake flask culture. METHODS AND RESULTS:The optimal temperature and initial pH for both mycelial growth and exo-biopolymer production by Cordyceps militaris in shake flask cu...

journal_title：Letters in applied microbiology

authors： Park JP,Kim SW,Hwang HJ,Yun JW

更新日期：2001-07-01 00:00:00

abstract：:Currently used alum precipitated and oil adjuvant vaccines against HS caused by Pasteurella multocida B:2, have side effects and short-lived immunity, leading to regular catastrophic outbreaks in bovines in Asian subcontinent. The need for the development of an improved vaccine with longer immunity and the ability to ...

journal_title：Letters in applied microbiology

authors： Qureshi S,Saxena HM,Imam N,Kashoo Z,Sharief Banday M,Alam A,Malik MZ,Ishrat R,Bhat B

更新日期：2018-09-01 00:00:00

abstract：:A wild type micro-organism producing antibacterial substances has been isolated from a Chinese fermented soybean seasoning and identified as Bacillus subtilis. A crude antibacterial preparation (CABP) was obtained by ammonium sulphate precipitation. Isoelectric focusing assay revealed at least four antimicrobial compo...

journal_title：Letters in applied microbiology

authors： Zheng G,Slavik MF

更新日期：1999-05-01 00:00:00

abstract：AIMS:We propose to apply the Wirtz-Conklin staining technique to evaluate spore germination. METHODS AND RESULTS:Spores at different stages of germination were stained with modified spore stain (Wirtz-Conklin) and evaluated for staining properties. Bacillus spores suspended in deionized water, which does not support g...

journal_title：Letters in applied microbiology

authors： Hamouda T,Shih AY,Baker JR Jr

更新日期：2002-01-01 00:00:00

abstract：AIMS:To provide comparative genome sequence data for two related model strains of Staphylococcus aureus (SH1000 and 8325-4) that are used extensively in laboratory research. METHODS AND RESULTS:Comparative genome sequencing was used to identify genetic differences between Staph. aureus SH1000 and the fully genome-sequ...

journal_title：Letters in applied microbiology

authors： O'Neill AJ

更新日期：2010-09-01 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：:The recent rise in the awareness of the occurrence of toxic cyanobacterial blooms in aquatic environments, with associated human health problems and animal deaths, has increased the need for rapid, reliable and sensitive methods of determining cyanobacterial toxicity. A luminescent bacterial toxicity test was assessed...

journal_title：Letters in applied microbiology

authors： Lawton LA,Campbell DL,Beattie KA,Codd GA

更新日期：1990-10-01 00:00:00

abstract：:Washed Escherichia coli ATCC11775 cells were killed by (-)-epigallocatechin (EGC) in the presence of a non-lethal concentration of Cu2+ (1 mumol l-1) without additional H2O2, but not by (-)-epicatechin (EC). EGC alone (< 0.1 mmol l-1) did not reduce the viability of the cells. The survival curve obtained in the presen...

journal_title：Letters in applied microbiology

authors： Kimura T,Hoshino N,Yamaji A,Hayakawa F,Ando T

更新日期：1998-12-01 00:00:00

abstract：UNLABELLED:Assessment of antibacterial as well as antiherpes virus activity of sulfonoquinovosyldiacylglyceride (SQDG), a glycolipid, isolated from the leaves of Azadirachta indica has been described. Antimicrobial activity was evaluated against Gram-positive, Gram-negative bacteria and herpes simplex virus. SQDG showe...

journal_title：Letters in applied microbiology

authors： Bharitkar YP,Bathini S,Ojha D,Ghosh S,Mukherjee H,Kuotsu K,Chattopadhyay D,Mondal NB

更新日期：2014-02-01 00:00:00

abstract：:A monoclonal antibody (mAb) has been produced to aflatoxin B1 (AF B1) after successful immunization of mice and fusion of sensitized spleen cells with myeloma cancer cells. The mice were immunized with AF B1-oxime-protein conjugate. Positive mAbs were screened using an indirect ELISA specific for AF B1. The selected m...

journal_title：Letters in applied microbiology

authors： Candlish AA,Smith JE,Stimson WH

更新日期：1990-04-01 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：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：:The detection of foodborne viruses in bivalve molluscs is a challenging procedure in relation to low virus concentration and to the presence of significant RT-PCR inhibitors. The aim of this study was the development of an efficient direct extraction method for foodborne viral RNA from bivalve molluscs. Using Mengovir...

journal_title：Letters in applied microbiology

authors： Quang Le H,Suffredini E,Tien Pham D,Kim To A,De Medici D

更新日期：2018-11-01 00:00:00

abstract：AIM:To estimate the prevalence of thermotolerant Campylobacter spp. in commercially reared partridges (Perdix perdix) in southern Italy. METHODS AND RESULTS:Cloacal swabs of partridges (n = 240), equally distributed between male and female birds, from a game bird farm located in the Southern Italy were examined for th...

journal_title：Letters in applied microbiology

authors： Dipineto L,Gargiulo A,De Luca Bossa LM,Rinaldi L,Borrelli L,Santaniello A,Menna LF,Fioretti A

更新日期：2009-09-01 00:00:00

abstract：:A pilot survey of the counts of total coliform bacteria, thermotolerant coliform bacteria, Escherichia coli and faecal streptococci was carried out at eight inland recreational waters at weekly intervals during July 1991. The aims were to assess the feasibility of determining candidate indicators of recreational water...

journal_title：Letters in applied microbiology

authors：

更新日期：1995-10-01 00:00:00

abstract：:Coffee (Coffea arabica L.) is currently grown in many tropical and subtropical areas countries and is a major traded commodity for the developing world. Coffee leaf blight, caused by Phomopsis heveicola, is one of the most important fungal diseases dangerous to coffee crops in China. This study aimed to develop a PCR-...

journal_title：Letters in applied microbiology

authors： Lu Y,Wu WH,He CP,Liang YQ,Huang X,Zheng JL,Xi JG,Tang SB,Yi KX

更新日期：2020-09-26 00:00:00

abstract：AIM:To compare the incidence of antimicrobial resistance among Salmonella serotypes isolated in a pig slaughterhouse in Zaragoza (Spain) during 1993 and 2001. METHODS AND RESULTS:A total of 168 isolates representing 10 serotypes were examined by disc diffusion method using 17 antibiotics. Data showed that the majority...

journal_title：Letters in applied microbiology

authors： Agustín AI,Carramiñana JJ,Rota C,Herrera A

更新日期：2005-01-01 00:00:00

abstract：:Fattening pigs are often infected with campylobacter. To eliminate campylobacter from the pig population, a top-down approach, involving the breeding and reproduction farms, seems appropriate. In order to investigate the effectiveness of a top-down approach, sows' faeces from the following farms were analysed for the ...

journal_title：Letters in applied microbiology

authors： Weijtens MJ,Urlings HA,Van der Plas J

更新日期：2000-06-01 00:00:00

abstract：:The genus Taylorella is composed of two species: (i) Taylorella equigenitalis, the causative agent of CEM, a venereally transmitted infection of Equidae and (ii) Taylorella asinigenitalis, a closely related species considered to be nonpathogenic, although experimental infection of mares with this bacterium resulted in...

journal_title：Letters in applied microbiology

authors： Hébert L,Rincé I,Sanna C,Laugier C,Rincé A,Petry S

更新日期：2014-10-01 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：AIMS:Nine sets of PCR primers targeting Salmonella were evaluated for their specificity with pure cultures of intestinal-associated bacteria prior to their application to Salmonella detection in faecal samples. METHODS AND RESULTS:Gene targets of PCR primers included: 16S rDNA, a Salmonella pathogenicity island I viru...

journal_title：Letters in applied microbiology

authors： Ziemer CJ,Steadham SR

更新日期：2003-01-01 00:00:00

abstract：AIMS:The aim of this work was to optimize the production of a novel antimaralial menisporopsin A by the seed fungus Menisporopsis theobromae BCC 4162. METHODS AND RESULTS:Fungal cultures were grown in shake flasks at 25 degrees C in the basal medium with varying carbon and nitrogen sources, aeration rates and initial ...

journal_title：Letters in applied microbiology

authors： Madla S,Kittakoop P,Wongsa P

更新日期：2006-11-01 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：: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：:A rapid and simple method (24M) using 24 well microtitre plates was developed to determine the presence of Listeria monocytogenes or Listeria spp. in food samples. The 24M was composed of two 24 well microtitre plates connected with a yellow tip. The 24M was evaluated with pathogen cocktails and ground beef samples an...

journal_title：Letters in applied microbiology

authors： Kang DH,Fung DY

更新日期：1999-04-01 00:00:00

abstract：AIMS:This study was performed to investigate the microbiological contamination of digestate product (DP) obtained from the anaerobic co-digestion of bovine manure and agricultural by-products. METHODS AND RESULTS:Microbiological analyses were performed on bovine manure, fresh DP, liquid and solid fractions and stored ...

journal_title：Letters in applied microbiology

authors： Bonetta S,Ferretti E,Bonetta S,Fezia G,Carraro E

更新日期：2011-11-01 00:00:00

abstract：:A new ultrasonic apparatus operating at a frequency of 40 kHz was developed to dislodge biofilms from food processing equipment in order to assess the effectiveness of cleaning protocols. Sonication conditions to remove biofilms and quantification by ATP-bioluminescence are described. An industrial meat process was de...

journal_title：Letters in applied microbiology

authors： Oulahal-Lagsir N,Martial-Gros A,Boistier E,Blum LJ,Bonneau M

更新日期：2000-01-01 00:00:00

abstract：:Typical haemolytic uraemic syndrome (STEC-HUS), caused by Shiga toxin (Stx)-producing Escherichia coli (STEC), is a serious, life-threating disease that mainly affects children. Bacteriological and genetic tests are commonly used in the routine laboratory diagnosis of STEC-HUS; however, serological methods have emerge...

journal_title：Letters in applied microbiology

authors： Rastawicki W,Śmietańska K,Rokosz-Chudziak N,Wołkowicz T

更新日期：2020-06-01 00:00:00

abstract：AIMS:The aim of the study was to determine Campylobacter jejuni contamination and prevalence on fomites moving between broiler farms and the processing plant in the period after cleaning and before departure to harvest chickens. In addition, changes in the proportion of contaminated fomites in the course of a day were ...

journal_title：Letters in applied microbiology

authors： Ramabu SS,Boxall NS,Madie P,Fenwick SG

更新日期：2004-01-01 00:00:00

abstract：UNLABELLED:Isolation of local strains is mandatory for the success of control programs. However, clinical samples are typically contaminated by other bacteria, which impair leptospires growth. The purpose of this study was to evaluate the use of a previously reported EMJH-STAFF media in the recovery of pathogenic lepto...

journal_title：Letters in applied microbiology

authors： Loureiro AP,Martins G,Pinto P,Narduche L,Teixeira RC,Lilenbaum W

更新日期：2015-12-01 00:00:00