نتایج جستجو برای: virulence factores

تعداد نتایج: 55929  

Journal: :Microbiology 1996

Journal: :Revista Scientific 2019

Journal: :current medical mycology 0
prabhakaran vijayalakshmi vivekanandha college of arts and sciences for women (autonomous), tamil nadu, india sengodan thenmozhi vivekanandha college of arts and sciences for women (autonomous), tamil nadu, india palaniappan rajeswari vivekanandha college of arts and sciences for women (autonomous), tamil nadu, india

background and purpose: today, treatment of life-threatening fungal infections, caused by candida species, has become a major problem. in the present study, we aimed to evaluate the antifungal susceptibility patterns of different clinical candida isolates, determine the virulence factors in multi-drug resistant (mdr) candida species, and assess the anti-biofilm activity of elettaria cardamomum ...

Journal: :iranian journal of veterinary research 2014
r. khoshbakht m. tabatabaei h. shirzad aski s. hosseinzadeh

the objective of this study was to investigate the genotypic characteristics of campylobacter isolates in shiraz, iran. a total of 40 campylobacter isolates including 20 c. jejuni and 20 c. coli were recovered from both cattle and sheep faeces by cultivation methods. the isolates were identified on the basis of polymerase chain reaction (pcr) detection of 16srrna and multiplex pcr to determine ...

Journal: :novelty in biomedicine 0
hamid reza jalali department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran ali pourbakhsh vice president for research, razi vaccine and serum research institute, karaj, iran fatemeh fallah department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran gita eslami department of medical microbiology, faculty of medicine, shahid beheshti university of medical science, tehran, iran

background: escherichia coli is the most causative agent of urinary tract infections (utis). apart from all human infectious diseases, uti have a high prevalence and in most cases, escherichia coli is a dominance bacterium which can cause pyelonephritis and cystitis. the aim of the study was to determine the occurrence of some virulence genes expressing fimbriae, production of hemolysin and aer...

Journal: :archives of razi institute 0
bahram hasani department of avian diseases, research & diagnosis, razi vaccine and serum research institute, agricultural research, education and extension organization, tehran, iran mansour banani department of avian diseases, research & diagnosis, razi vaccine and serum research institute, agricultural research, education and extension organization, tehran, iran abbas nouri department of avian diseases, research & diagnosis, razi vaccine and serum research institute, agricultural research, education and extension organization, tehran, iran hossein goudarzi department of avian diseases, research & diagnosis, razi vaccine and serum research institute, agricultural research, education and extension organization, tehran, iran mohsen akhijahani department of avian diseases, research & diagnosis, razi vaccine and serum research institute, agricultural research, education and extension organization, tehran, iran

colibacillosis caused by e.coli is one of the most common illnesses in commercial chickens and induce high financial losses in the poultry industry due to morbidity, mortality and antibiotic expenses because of overuses. e.coli can mostly cause disease as a secondary or opportunistic pathogen, while certain strains with specific virulence factors even as primary pathogen can cause colibacillosi...

Journal: :Virulence 2013

Journal: :journal of agricultural science and technology 2014
h. golshan m. saber f. majidi_shilsar f. karimi a. ebadi

beauveria bassiana (balsamo) vuillemin is an important natural regulator of insect populations. identification of a suitable molecular marker for detecting a virulent phenotype on a target pest would be useful in screening for effective isolates against the pest. nine isolates of b. bassiana were tested for their virulence to adults of tribolium castaneum (herbst) in laboratory bioassay with 1×...

Journal: :modares journal of medical sciences: pathobiology 2013
marzieh abbasi mohammad mehdi aslani ehsan mostafavi mohammad yousef alikhani vajihe sadat nikbin

objective: the aim of the this study was to investigate the prevalence of toxb, paa, lpf and iha adhesion genes in enteropathogenic escherichia coli (epec) isolates lacking in two important adhesion factors, the eaea and bfpa genes. methods: we examined a total of 70 serologically confirmed epec (eaea-, bfpa-) isolates. dna from the isolates was extracted by the phenol-chloroform method. toxb,...

Journal: :veterinary research forum 0
hesam alizade infectious and tropical disease research center, hormozgan health institute, hormozgan university of medical sciences, bandar abbas, iran reza ghanbarpour department of pathobiology, faculty of veterinary medicine, shahid bahonar university, kerman, iran maziar jajarami department of pathobiology, faculty of veterinary medicine, shahid bahonar university, kerman, iran asma askari department of pathobiology, faculty of veterinary medicine, shahid bahonar university, kerman, iran

colibacillosis caused by avian pathogenic escherichia coli (apec) is an economic threat to the poultry industry throughout the world. some of the virulence genes may enhance the ability of e. coli isolates to grow in the tissues of broilers. the apec strains are assigned to a few distinct phylogenetic groups. the purpose of the present study was to detect the virulence genes and phylogenetic gr...

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