نتایج جستجو برای: بورلیاپرسیکا borrelia persica

تعداد نتایج: 8037  

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1368

چکیده ندارد.

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1368

چکیده ندارد.

FARZAD OREIZI, MEHDI ASSMAR, MOHAMMAD SOLEIMANI, NOORAIR PIYAZAK, SEYED HOSSEIN HOSSEINI, ZAHRA ZAMANI,

Borrelia microtti and Borrelia persica are two Iranian strains of spirochetes whose vectors are Ornithodorous tholozani and Ornithodorous erraticus which are responsible for relapsing fever. BSK medium has been used for in vitro culture of other strains of borrelia, although the two mentioned strains could not be successfully cultured in it. We have modified BSK medium by using guinea pig ...

Journal: :medical journal of islamic republic of iran 0
mehdi assmar mohammad soleimani noorair piyazak farzad oreizi seyed hossein hosseini from the departments of parasitology institute 0f iran, tehran, l.r. iran. zahra zamani *from the departments of parasitology, and biochemistry, pasteur institute 0f iran, tehran, l.r. iran.

borrelia microtti and borrelia persica are two iranian strains of spirochetes whose vectors are ornithodorous tholozani and ornithodorous erraticus which are responsible for relapsing fever. bsk medium has been used for in vitro culture of other strains of borrelia, although the two mentioned strains could not be successfully cultured in it. we have modified bsk medium by using guinea pig and f...

2016
Sandra Schwarzer Evelyn Overzier Walter Hermanns Gad Baneth Reinhard K. Straubinger Melissa J. Caimano

Borrelia persica, a bacterium transmitted by the soft tick Ornithodoros tholozani, causes tick-borne relapsing fever in humans in the Middle East, Central Asia and the Indian peninsula. Immunocompetent C3H/HeOuJ mice were infected intradermally with B. persica at varying doses: 1 x 10(6), 1 x 10(4), 1 x 10(2) and 4 x 10(0) spirochetes/mouse. Subsequently, blood samples were collected and screen...

2011
J Rafinejad N Choubdar MA Oshaghi N Piazak T Satvat F Mohtarami A Barmaki

BACKGROUND Relapsing fever caused by Borrelia persica, is an acute tick-borne disease which is transmitted by soft ticks of Ornithodoros tholozani to human. METHODS Value of PCR and xenodiagnosis for detection of B. persica in O. tholozani ticks was compared. Sixty-four Borrelia-free ticks were fed on infected guinea pigs and used for the experiments. For xenodiagnosis, a group of 32 ticks in...

2010
Gracia Safdie Iba Y. Farrah Reem Yahia Esther Marva Amos Wilamowski Samer S. Sawalha Naama Wald Judith Schmiedel Annette Moter Ulf B. Göbel Herve Bercovier Ziad Abdeen Marc V. Assous Yolanta Fishman

The identification of the Tick Borne Relapsing Fever (TBRF) agent in Israel and the Palestinian Authority relies on the morphology and the association of Borrelia persica with its vector Ornithodoros tholozani. Molecular based data on B. persica are very scarce as the organism is still non-cultivable. In this study, we were able to sequence three complete 16S rRNA genes, 12 partial flaB genes, ...

2011
J Rafinejad N Choubdar F Mohtarami A Barmaki

Background: Relapsing fever caused by Borrelia persica, is an acute tick-borne disease which is transmitted by soft ticks of Ornithodoros tholozani to human. Methods: Value of PCR and xenodiagnosis for detection of B. persica in O. tholozani ticks was compared. Sixty-four Borrelia-free ticks were fed on infected guinea pigs and used for the experiments. For xenodiagnosis, a group of 32 ticks in...

2010
A Barmaki J Rafinejad H Vatandoost Z Telmadarraiy F Mohtarami SH Leghaei MA Oshaghi

BACKGROUND A molecular survey was conducted to investigate the presence of pathogenic Borrelia persica species causing the tick borne relapsing fever (TBRF) in Takistan district Qazvin Province, western Iran. METHODS A number of 1021 soft ticks were collected from 31 villages including previously reported infected and none-infected TBRF cases and individually examined for the presence of B. p...

Journal: :journal of medical microbiology and infectious diseases 0
afsaneh aghaei islamic azad university of lahijan, microbiology department, lahijan, iran behnaz ghazinezhad department of parasitology, pasteur institute of iran, tehran, iran saied reza naddaf department of parasitology, pasteur institute of iran, tehran, iran

introduction: spirochetes of borrelia can be visualized directly in infected ticks by dark-field microscopy. inoculation of in phosphate buffered saline (pbs) suspension of ground argasid soft ticks to susceptible animals or allowing the ticks to feed on the same species followed by microscopic examination of the animals’ blood have also been practiced. with the advent of molecular methods and ...

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