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Molecular detection of bovine immunodeficiency virus in water buffaloes (Bubalus bubalis) from the Amazon region, Brazil
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Molecular detection of bovine immunodeficiency virus in water buffaloes (Bubalus bubalis) from the Amazon region, Brazil
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Journal Article
Molecular detection of bovine immunodeficiency virus in water buffaloes (Bubalus bubalis) from the Amazon region, Brazil
2015
Overview
Bovine immunodeficiency is a chronic progressive disease caused by a lentivirus that affects cattle and buffaloes. Although the infection has been described in cattle in some countries, including in Brazil, there are only two reports of infection in buffaloes: one in Pakistan and one in Cambodia. The aim of the present study was to survey the occurrence of bovine immunodeficiency virus (BIV) in water buffaloes from the Amazon region, Pará state, Brazil. BIV proviral DNA was surveyed in 607 whole blood samples of water buffaloes from 10 farms located in the state of Pará using semi-nested polymerase chain reaction (PCR) (PCR-SN) to amplify the pol region of the viral genome. Of the 607 samples tested, 27 (4.4 %) were positive for BIV proviral DNA. The amplified fragments were confirmed by sequence analysis after cloning and nucleotide sequencing. The sequence obtained had 99 % similarity to the reference strain (R-29). The present study provides important epidemiological data because BIV was detected for the first time in water buffaloes in Brazil. Further, the results suggest the possibility of the virus being a risk factor for herd health because it may be a potential causal agent of chronic disease and, also may be associated to other infectious diseases.
Publisher
Springer Netherlands,Springer Nature B.V
Subject
/ Animals
/ Biomedical and Life Sciences
/ Bovine immunodeficiency virus
/ Brazil
/ Cambodia
/ Cattle
/ Cattle Diseases - epidemiology
/ Cloning
/ DNA
/ DNA, Viral - isolation & purification
/ farms
/ genome
/ Immunodeficiency Virus, Bovine - genetics
/ Immunodeficiency Virus, Bovine - isolation & purification
/ Lentivirus Infections - epidemiology
/ Lentivirus Infections - veterinary
/ Polymerase Chain Reaction - veterinary
/ Veterinary Medicine/Veterinary Science
/ viruses
/ Zoology
