نتایج جستجو برای: semi nested rt pcr
تعداد نتایج: 361597 فیلتر نتایج به سال:
Babesiosis is a hemolytic disease caused by protozoans of the genus Babesia (Apicomplexa). This disease occurs worldwide and is transmitted by ticks to a variety of mammals, including humans. The objective of the present study was to optimize a molecular approach for the detection of a fragment of 18S rDNA of Babesia canis, Babesia vogeli, Babesia rossi or Babesia gibsoni based on a single semi...
A reverse transcriptase-polymerase chain reaction (RT-PCR) assay was developed and applied to the detection and differentiation of viral haemorrhagic septicaemia virus (VHSV) and infectious hematopoietic necrosis virus (IHNV) in organ samples and cultured cells, regardless of the serotype. This method was developed by selecting primer sets corresponding to highly conserved regions of the glycop...
We have developed a single-tube nested real-time PCR (STN-RT PCR) assay using the repetitive, transposon-like element IS1111 as the DNA target to facilitate early diagnosis of acute Q fever. The use of our proposed diagnostic procedures, including IgM detection by serology and the STN-RT PCR assay, significantly increased the diagnostic sensitivity for Q fever to 78%, compared to 29% when serol...
background: influenza a viruses bearing all known ha and na subtypes have been isolated from avian hosts: but only the a/h1n1,a/h2n2 and a/h3n2 influenza subtypes have been associated with widespread epidemics in humans until now .while influenza b detected only in humans. subtype h5 infection in humans occurred for the first time during 1997-1998 in hong kong, then china in 2003, vietnam and...
This paper describes the development and evaluation of a new nested reverse transcription (RT)-PCR for the detection of rhinovirus in clinical samples. The nucleotide sequences of the 5' noncoding regions of 39 rhinoviruses were determined in order to map the most conserved subregions. We designed a set of rhinovirus-specific primers and probes directed to these subregions and developed a new n...
مقدمه و هدف : تیلریوز از بیماریهای مهم عفونی گوسفندان ایران می باشد . این بیماری هرساله خسارات زیاد اقتصادی ناشی از کاهش فراوارده های دامی و تلفات در گوسفندان ایجاد می نماید . کنترل تیلریوز در گوسفندان نیازمند شناسایی عامل و ناقلین آن در هرمنطقه آب و هوایی می باشد. با توجه به اهمیت تیلریوز در گوسفندان استان های خراسان رضوی وشمالی ، مطالعه ای ملکولی در باره شناسایی کنه های ناقل طی سالهای 1390-13...
Background Kyasanur Forest Disease (KFD), a tick borne flavivirus, which was earlier endemic to Karnataka state, India, has been confirmed and detected from neighboring states of Tamil Nadu, Maharashtra, Goa and Kerala states in India. Increased human and vector surveillance therefore becomes essential for the identification of KFD affected regions and control of further spread of the disease. ...
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