نتایج جستجو برای: virulence gene

تعداد نتایج: 1171817  

Hamid Badali, Mahdi Abastabar, Maryam Moazeni, Mojtaba Nabili,

Despite the introduction of new antifungal agents, resistances to antifungal therapy continue to increase and outcome of invasive fungal infections treatment is frequently suboptimal. A large amount of the recent effort in antifungal drug discovery has focused on a limited set of targets with functions known or expected to be important for fungal viability and virulence. A variety of techniques...

Estabraghi, Ehsan, Mokhtari, Alireza, Zahraee Salehi, Taghi,

Background and Aims: Pseudomonas aeruginosa is the most important cause of various nosocomial infections and mastitis in dairy cattle and the development of antibiotic resistance. The aim of this study was to determine the antibiotic resistance of Pseudomonas aeruginosa and the presence of virulence genes in human and animal samples. Materials and Methods: In this study, 102 human and animal st...

Introduction: E. coli is the predominant causes of urinary tract infection. Several virulence factors for bacterial infections in the urinary tract are required. In this study, we have considered several virulence factors in strains isolated from the patients with UTI in Yazd. Methods: In this cross-sectional study in 1394-1395, 146 strains isolated were collected from the patients with urinar...

Avian pathogenic Escherichia coli (APEC) are responsible for wide ranges of extra-intestinal diseases in poultry including colibacillosis, cellulitis, coligranuloma and yolk sac infection. Numbers of virulence are considered important in the pathogenicity of these diseases. The aims of the present study were phylogenetic typing and virulence genes detection in Escherichia coli </em...

Journal: :iranian journal of biotechnology 2013
sohrab aghabozorgi

background: p. atrosepticum is a commercially important pathogen. it causes blackleg in the field and soft rot of tubers after the harvest. this effect is due to secretion of depolymerases and other virulence factors by several mechanisms including t3ss objectives: the effect of bacterial t3ss on solanum tuberosum (s. tuberosum) varieties and its relationship with s. tuberosum resistance gene e...

Journal: :Agronomy 2021

Powdery mildew is a common, economically important disease in the wheat growing area of Serbia. A large-scale virulence survey its causal agent Blumeria graminis f. sp. tritici population was performed period 1995–2013. total 1013 isolates were recovered from collected chasmothecial samples. Among them, 862 unique pathotypes identified using differential set 20 lines with known powdery (Pm) res...

Journal: :Agronomy 2022

Alternaria brown spot disease is caused by the alternata tangerine pathotype, which relies on ACT-toxin for infection. At present, all identified biosynthesis-related genes are multi-copy genes. In this study, we summarized advances in important host-specific toxins (HSTs), and listed key required pathogenicity of A. pathotype. Toxin virulence test results revealed that different citrus species...

ژورنال: Medical Laboratory Journal 2017
Anvari, Shaghayegh, Jamali, Aylar, Movaghari, Mehdi, Yazdani, Mahin,

ABSTRACT &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Background and Objective: Vibrio is a genus of bacteria that are widely distributed in aquatic environments. The genus includes several important pathogens that endanger farm animals and humans who ingest seafood or water contaminated with the bacteria. Virulence of Vibrio spp. is regulated by ctxAB and tcpA genes. The aim of this study...

Hadi Lotfi Shahla Mansouri

Background & Aims: Pseudomonas aeruoginosa is an opportunistic pathogen and an important cause of nosocomial infections. Different factors are involved in the pathogenicity of this bacterium. This study was performed to compare some factors associated with the virulence of clinical and environmental isolates of P. aeruoginosa. Methods: The present study was performed on 25 environmental isolate...

ژورنال: Medical Laboratory Journal 2018
Bouzari, Majid, Ghaemi, Ezzat Allah , Yazdi, Mahsa,

ABSTRACT &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Background and objectives: Urinary tract infections (UTIs) are one of the most common infectious diseases caused by bacteria. The primary etiologic agent of UTIs is Escherichia coli. Uropathogenic E.coli (UPEC) strains have a number of specific virulence factors, which can worsen UTIs. This study was performed to...

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