نتایج جستجو برای: bacterial population

تعداد نتایج: 887412  

Journal: :iranian journal of microbiology 0
frincykhandelwal baruah department of microbiology, gauhati medical college, assam, india. ajanta sharma department of microbiology, gauhati medical college, assam, india. chanakya das department of obstetrics and gynaecology, gauhati medical college, assam, india. nabakumar hazarika department of microbiology, gauhati medical college, assam, india. jasminhalim hussain department of microbiology, gauhati medical college, assam, india.

background and objectives: bacterial vaginosis is a risk factor for obstetric infections, various adverse outcomes of pregnancy and pelvic inflammatory disease. the objectives of this study were to assess the prevalence of bacterial vaginosis in women attending gynaecology outpatient department (o.p.d) and sexually transmitted disease (s.t.d.) clinic and to assess the role of gardnerella vagina...

Journal: :Current Biology 2010
Nigel Williams

garden asparagus is thought originally to be native in eastern Europe or western Asia, perhaps in or near the Caucasus, although it is widely naturalised inland and on the coast.” But wild asparagus is becoming increasingly rare. It is found only on the coasts of northern Spain, northwestern France, Belgium, the Netherlands, the UK and Ireland. And some of the known populations comprise as few ...

2017
Robert Heyderman Andrew B Janowski Jason G Newland

In the past century, advances in antibiotics and vaccination have dramatically altered the incidence and clinical outcomes of bacterial meningitis. We review the shifting epidemiology of meningitis in children, including after the implementation of vaccines that target common meningitic pathogens and the introduction of intrapartum antibiotic prophylaxis offered to mothers colonized with . We a...

2010
Paul R Bessell Louise Matthews Alison Smith-Palmer Ovidiu Rotariu Norval JC Strachan Ken J Forbes John M Cowden Stuart WJ Reid Giles T Innocent

BACKGROUND Campylobacteriosis is the leading cause of bacterial gastroenteritis in most developed countries. People are exposed to infection from contaminated food and environmental sources. However, the translation of these exposures into infection in the human population remains incompletely understood. This relationship is further complicated by differences in the presentation of cases, thei...

2016
Donatella Nava Salvatore Capo Vincenzo Caligiuri Valerio Giaccone Loredana Biondi Gerardo Francesco Vaccaro Achille Guarino Federico Capuano

Campania's buffalo mozzarella is a greatly appreciated cheese in Italy and worldwide. From a microbiological standpoint, it is a highly perishable food and potentially at risk of contamination by pathogens such as Listeria monocytogenes (L. monocytogenes). The present paper reports the results of a challenge test carried out to assess the population dynamics of L. monocytogenes, alone and in pr...

2004
Steve Dritz

Clinical expression of disease associated with post weaning E. coli depends on the interplay of several factors. These include the dose of pathogen, a genetically susceptible pig population, diet composition, weight and age of weaned pig, environmental management, presence of confounding pathogens, and general farm management practices. Reducing the dose of E. coli exposure using sanitation pro...

2013

Urinary tract infection (UTI) is one of the most frequent bacterial infections in infants and young children. Its incidence is infl uenced by age and sex, and it is diffi cult to estimate, as the existing epidemiological studies are very heterogeneous, with varying defi nitions of UTI, populations studied and methodologies used for collecting urine specimens. In addition, children with UTI, esp...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
حدیث شهبازی دانشجوی دکتری، دانشکدة علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج کیوان بهبودی دانشیار گروه گیاه پزشکی، دانشکدة علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد جوان نیکخواه استاد گروه گیاه پزشکی، دانشکدة علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج مسعود احمدزاده استاد گروه گیاه پزشکی، دانشکدة علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

the biological control ability of fluorescent pseudomonas spp. results from competition for space and untrient, antibiosis and colonization in the rhizosphere. biocontrol fluorescent pseudomonads produce a wide variety of antibiotics. in this study, the biocontrol ability of 39 strains of biocontrol pseudomonas fluorescens, was examined against fusarium graminearum the causal agent of wheat fus...

Journal: :Emerging Infectious Diseases 1996
J. M. Musser

Research in bacterial population genetics has increased in the last 10 years. Population genetic theory and tools and related strategies have been used to investigate bacterial pathogens that have contributed to recent episodes of temporal variation in disease frequency and severity. A common theme demonstrated by these analyses is that distinct bacterial clones are responsible for disease outb...

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