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              Research 
(Published 
online:  27-10-2014) 
              
              23. Diagnosis of bovine foot and mouth 
              disease virus by real-time polymerase chain reaction and 
              nucleotide sequencing from outbreak herd samples in Ilesha Baruba, 
              Kwara state, Nigeria - Olatunde Hamza Olabode, Haruna 
              Makajuola Kazeem and Mashood Abiola Raji 
              
              Veterinary World, 7(10): 868-875   
              
   
                
                
doi: 
              10.14202/vetworld.2014.868-875     
              Olatunde Hamza Olabode: 
              
              Department of Veterinary Microbiology, Faculty of Veterinary 
              Medicine, University of Abuja, Abuja, Nigeria; Department of 
              Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu 
              Bello University, Zaria, Nigeria;
              
              
              olabodeok@yahoo.com 
              Haruna Makajuola Kazeem: 
              
              Department of Veterinary Microbiology, Faculty of Veterinary 
              Medicine, Ahmadu Bello University, Zaria, Nigeria;
              
              haruna_kazeem@yahoo.com 
              Mashood Abiola Raji: Department of Veterinary Microbiology, 
              Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, 
              Nigeria;
              
              rajmash2002@gmail.com   
              Received: 23-05-2014, Revised: 06-09-2014, Accepted: 10-09-2014, 
              Published online: 27-10-2014   
              
              
              Corresponding author:
              Olatunde 
              Hamza Olabode, e-mail: olabodeok@yahoo.com 
 
              Abstract 
 Aim:
              Molecular diagnosis of bovine foot and mouth disease virus (FMDV) 
              from outbreak herd in Bukaru-Rontuwa, Sinawu/Tumbunya ward of 
              Ilesha Baruba, in Kwara state-Nigeria was conducted to establish 
              the associated serotypes and disease control plan. 
              Materials and Methods: Purposive study was conducted in cattle 
              outbreak herds during the dry season of January-March, 2011. 
              Random sampling of blood and observed epithelial tissues was 
              collected, stored in accordance with standard methods and 
              subjected to RNA extraction and real-time reverse transcription 
              polymerase chain reaction (rRT-PCR). Positive samples for FMDV 
              were further subjected to reverse transcription polymerase chain 
              reaction (RT-PCR), nucleotide sequencing using sequence primers of 
              serotypes O, A, SAT 1-3 and gel electrophoresis. Obtained data 
              were interpreted based on NCBI BLASTN program. 
              Results: Foot and mouth disease (FMD)-RNA extract was not 
              found in all the blood tested with beta-actin range of Ct = 30-34. 
              rRT-PCR assay showed two positive samples with Ct values of 18.79 
              and 15.28. Gel electrophoresis identified sequenced PCR amplicons 
              as serotype A and SAT 2 respectively. Direct product sequencing 
              confirmed SAT 2 serotype was closely related to SAT 2 isolate 
              LIB/7/2003. Cloned RT-PCR product in pGEM-T easy vector confirmed 
              serotype A as closely related to sequence of A/NIG/21/2009, though 
              multiple NIG/2009 sequences were also identified as closely 
              related. Both isolates showed marked genetic homogeneity with >93% 
              genetic identity in the VP1 region which confirmed heterogeneity 
              and antigenic variation nature of FMDV. 
              Conclusion: Quasi species and subtypes of FMD serotypes A and 
              SAT 2 similar to A/NIG/21/2009 and SAT 2/LIB/7/2003 respectively 
              caused the reported FMD outbreaks in Fulani livestock herds 
              investigated. A combined real-time and optimized RT-PCR protocols 
              that would facilitate effective and timely FMD outbreak control 
              plan based on identified serotypes is thus suggested. 
              Keywords: foot and mouth disease virus, Ilesha Baruba, Kwara 
              State, molecular, outbreaks, phylogenetic. 
 
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