نتایج جستجو برای: indicator and pathogenic bacteria

تعداد نتایج: 16868054  

Journal: :novelty in biomedicine 0
gita eslami department of microbiology, faculty of medicine, shahid beheshti university, m.c. tehran sudabeh taheri department of microbiology, faculty of medicine, shahid beheshti university, m.c. tehran eznollah azargashb department of community medicine, faculty of medicine, shahid beheshti university, m.c. tehran raheleh karimiravesh department of microbiology, faculty of medicine, shahid beheshti university, m.c. tehran

background: considering the high prevalence of bacterial vaginosis and its association with urinary tract infection in women and treatment of gynecologic problems occur when a high recurrence of bacterial vaginosis is often treated with antibiotics. the purpose of this study is to investigate the inhibitory effect of lactobacillus rhamnosus on pathogenic bacteria isolated from women with bacter...

Background and Aim: Water crisis in many regions of the world especially arid and semi-arid areas such as Iran, is an important obstacle for socioeconomic development and food security. Under such circumstances, wastewater reuse in agriculture can be regarded an important alternative water source. However, treated wastewater may contain some types of pathogenic microorganisms which can threaten...

Journal: :Environmental monitoring and assessment 2005
N Ramaiah Vrushali Kolhe A Sadhasivan

As large numbers of ships either take in ballast from or discharge their ballast into the Mumbai Harbor region, it is pertinent to quantify microorganisms of health concerns and suggest on the suitability of water for ballasting purposes. To meet with this main aim, a selected set of general and pathogenic bacterial groups and their seasonal variations were studied from the Mumbai Harbor area. ...

Journal: :archives of razi institute 2016
m. hyati m. kargar a. pourbakhsh z. shirazi y. tahamtan

a variety of probiotic bacteria have been tested to control animal and foodborne pathogenic bacteria in livestock. the mechanism of inhibition of pathogenic bacteria for several of those probiotic microorganisms is mediated by the production of bacteriocins. colicins are probably the group of bacteriocins that have been most thoroughly characterized. colicins are antimicrobial proteins produced...

Journal: :Applied and environmental microbiology 2007
Lester W Sinton Robin R Braithwaite Carollyn H Hall Margaret L Mackenzie

The survival of enteric bacteria was measured in bovine feces on pasture. In each season, 11 cow pats were prepared from a mixture of fresh dairy cattle feces and sampled for up to 150 days. Four pats were analyzed for Escherichia coli, fecal streptococci, and enterococci, and four inoculated pats were analyzed for Campylobacter jejuni and Salmonella enterica. Two pats were placed on drainage c...

Journal: :Environmental monitoring and assessment 2009
G S Nagvenkar N Ramaiah

Studies on abundance and types of various pollution indicator bacterial populations from tropical estuaries are rare. This study was aimed to estimate current levels of pollution indicator as well as many groups of human pathogenic bacteria and their seasonal variations in different locations in Mandovi and Zuari Rivers in the central west coast of India. The sampling covered the estuarine and ...

ژورنال: Medical Laboratory Journal 2015
Faezi Ghasemi, Mohammad, Kazemi Darsanaki, Reza, Mohammaddoost Chakoosari, Mohammad, Amini, Abolfazl , Masiha, Alireza ,

Abstract       Background and Objective: Probiotics are living microorganisms that have beneficial effects on the health of digestive system. The aim of this study was to evaluate the antimicrobial ability of acidic and neutral supernatants (culture supernatant) of lactic acid bacteria against common bacterial pathogens.        Meth...

Journal: :Applied and environmental microbiology 2005
Mélanie Lemunier Cédric Francou Sandrine Rousseaux Sabine Houot Philippe Dantigny Pascal Piveteau Jean Guzzo

For economic, agricultural, and environmental reasons, composting is frequently used for organic waste recycling. One approach to limiting the potential risk from bacterial food-borne illnesses is to ensure that soil amendments and organic fertilizers are disinfected. However, more knowledge concerning the microbiological safety of composted substrates other than sludge and manure is necessary....

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