Peer-reviewed veterinary case report
New test can detect Rangelia vitalii in dog blood
By Paim, Francine Chimelo et al.·Published in Veterinary parasitology·2016·Laboratory of Veterinary Clinical Analysis, Brazil·View original on PubMed →
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Original publication title: Development of a quantitative PCR for the detection of Rangelia vitalii.
- Species:
- dog
Plain-English summary
A study found that a new blood test can detect a parasite called Rangelia vitalii in dogs. Researchers tested blood samples from 265 dogs and discovered that about 9% were positive for this parasite. The test was very accurate, able to identify even small amounts of the parasite in the blood. This new test could help veterinarians diagnose infections caused by R. vitalii more effectively, allowing for better treatment options for affected dogs.
People also search for: dog blood test for parasites · Rangelia vitalii in dogs · symptoms of dog blood infection
Abstract
The aim of this study was to develop and validate a SYBR Green qPCR assay to detect and quantify a fragment of the 18S rRNA gene of Rangelia vitalii in canine blood. Repeatability of the qPCR was determined by the intra- and inter-assay variations. The qPCR showed efficiency of E=101.30 (r(2)=0.996), detecting as few as one copy of plasmid containing the target DNA. Specificity of the assay was performed using DNA samples of Babesia canis, B. gibsoni, Ehrlichia canis, E. ewingii and Leishmania sp. No cross-reactivity was observed. Field samples consisting of blood from 265 dogs from Porto Alegre, Brazil were also tested. A total of 24 (9.05%) samples were positive for R. vitalii. Amplicons of 50% of positive samples were confirmed to be R. vitalii by Sanger sequencing. The positive samples had an average of 3.5×10(5) organisms/mL of blood (range: 1.27×10(3)-1.88×10(6)) based on the plasmid-generated standard curve. In conclusion, the SYBR Green qPCR assay developed herein is sensitive and specific and can be used as a diagnostic tool for detection and quantification of R. vitalii in canine blood samples.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/26827871/