نتایج جستجو برای: pathogenicity test

تعداد نتایج: 829058  

Journal: :Journal of clinical microbiology 1982
B Skalka J Smola K Elischerová

The exosubstance of Rhodococcus equi in a prepurified form strongly enhanced the hemolytic effect of certain strains of Listeria monocytogenes. The strains which produced positive synergic hemolysis with this exosubstance were also pathogenic for guinea pigs and white mice. The other strains, which remained nonhemolytic in the presence of the R. equi. exosubstance, were apathogenic for those an...

2016
Xuekun Zhang Hui Xi Kejian Lin Zheng Liu Yu Yu Yan Sun Jing Zhao

Leaf spot was found on field bindweed (Convolvulus arvensis L.) in Shihezi City, Xinjiang Province, China, during the summer of 2015. Pathogens were isolated from the infected leaves of field bindweed and identified as Aspergillus niger based on morphological and molecular analyses (internal transcribed spacer rDNA and β-tubulin gene). A pathogenicity test confirmed that Aspergillus niger cause...

Journal: :Legume Research 2023

Background: Fusarium wilt in lentil (Lens culinaris L.) infected by oxysporum is considered as one of the major biotic factors for low productivity lentil. The present study was conducted to determine nine isolates (W1-W8 and W10) which were isolated from different growing fields West Bengal, India characterized their physio-morphological, biochemical molecular traits vitro. Methods: Nine plant...

2013
Penny F. Langhammer Karen R. Lips Patricia A. Burrowes Tate Tunstall Crystal M. Palmer James P. Collins

Laboratory investigations into the amphibian chytrid fungus, Batrachochytrium dendrobatidis (Bd), have accelerated recently, given the pathogen's role in causing the global decline and extinction of amphibians. Studies in which host animals were exposed to Bd have largely assumed that lab-maintained pathogen cultures retained the infective and pathogenic properties of wild isolates. Attenuated ...

Journal: :jundishapur journal of microbiology 0
zeinab mohsenipour associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran mehdi hassanshahian associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran; associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran. tel: +98-9132906971, fax: +98-3222032

conclusions the results of this study suggest that e. hebecarpa extracts can be used to inhibit the planktonic and biofilm forms of these selected bacteria. objectives in an effort to combat these industrial and medical bacterial biofilm problems, our study aims to determine the antimicrobial effect of euphorbia hebecarpa. materials and methods the inhibition efficiency of alcoholic extracts on...

2016
Diego Cantoni Arran Hamlet Martin Michaelis Mark N Wass Jeremy S Rossman

Out of the five members of the Ebolavirus family, four cause life-threatening disease, whereas the fifth, Reston virus (RESTV), is nonpathogenic in humans. The reasons for this discrepancy remain unclear. In this review, we analyze the currently available information to provide a state-of-the-art summary of the factors that determine the human pathogenicity of Ebolaviruses. RESTV causes sporadi...

ژورنال: :مجله تحقیقات دامپزشکی (journal of veterinary research) 2006
مهدی سلطانی مهدی سلطانی سید جلیل ذریه زهرا فرهید همت زاده

objective: serological diagnosis of infectious haematopoietic necrosis virus (ihnv) in tissues of kidney, spleen and liver of rainbow trofi(o.mykiss)fry. design: cross- sectional study. animals:ninty nine samples consisting of smears from kidney, spleen and liver were obtained from rainbow trout. procedure: kidney, spleen and liver from rainbow trout (o.mykiss) fry less than 3 g body weight obt...

2016
Ye Zhang Shu-Mei Zou Xiao-Dan Li Li-Bo Dong Hong Bo Rong-Bao Gao Da-Yan Wang Yue-Long Shu

BACKGROUND Avian influenza viruses have caused human infection and posed the pandemic potential. Live poultry markets are considered as a source of human infection with avian influenza viruses. Avian influenza routine surveillance of live poultry markets is taken annually in China. We isolated the 2 H11N9 influenza virus from the surveillance program. To better understand the risk caused by the...

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