E-ISSN 2218-6050 | ISSN 2226-4485
 

Original Article


Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis

Massimo Giangaspero, Shu Qin ZHANG.


Cited By:4

Abstract
Classical swine fever virus (CSFV), species member of the family Flaviviridae, is generally considered restricted to domestic and wild suids. Circulation of CFSV has been detected in cattle herds in China and India. Natural infection appeared associated with clinical signs in some cases. Secondary structures of the internal ribosome entry site (IRES) in the 5’ untranslated region (UTR) were used for genomic characterization. Sequences have been compared to representative CSFV strains isolated from pigs, vaccines and contaminants from porcine cell lines and an ovine strain isolated in Spain. Observed sequences from cattle showed genetic relatedness with live attenuated vaccine strains used in pigs. Sequence characteristics of the Chinese strain S171 resulted genetically distant from previously reported CSFV genotypes, suggesting a new outgroup in the species, described for the first time and named CSFV-d. Other Chinese strains were genetically closely related to CSFV genotype a2 (Alfort type) pig strains. Indian strains, reported from the states of Tamil Nadu and Meghalaya, were genetically closely related to CSFV genotype a1 (Brescia type) and a5 pig strains, respectively. These preliminary observations are new and relevant in countries where CSFV control and eradication strategies are applied.

Key words: Cattle, Classical swine fever virus, Pestivirus, Secondary structure.


 
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Pubmed Style

Giangaspero M, ZHANG SQ, . Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Vet J. 2020; 10(1): 94-115. doi:10.4314/ovj.v10i1.15


Web Style

Giangaspero M, ZHANG SQ, . Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. https://www.openveterinaryjournal.com/?mno=79845 [Access: July 12, 2024]. doi:10.4314/ovj.v10i1.15


AMA (American Medical Association) Style

Giangaspero M, ZHANG SQ, . Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Vet J. 2020; 10(1): 94-115. doi:10.4314/ovj.v10i1.15



Vancouver/ICMJE Style

Giangaspero M, ZHANG SQ, . Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Vet J. (2020), [cited July 12, 2024]; 10(1): 94-115. doi:10.4314/ovj.v10i1.15



Harvard Style

Giangaspero, M., ZHANG, S. Q. & (2020) Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Vet J, 10 (1), 94-115. doi:10.4314/ovj.v10i1.15



Turabian Style

Giangaspero, Massimo, Shu Qin ZHANG, and . 2020. Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Veterinary Journal, 10 (1), 94-115. doi:10.4314/ovj.v10i1.15



Chicago Style

Giangaspero, Massimo, Shu Qin ZHANG, and . "Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis." Open Veterinary Journal 10 (2020), 94-115. doi:10.4314/ovj.v10i1.15



MLA (The Modern Language Association) Style

Giangaspero, Massimo, Shu Qin ZHANG, and . "Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis." Open Veterinary Journal 10.1 (2020), 94-115. Print. doi:10.4314/ovj.v10i1.15



APA (American Psychological Association) Style

Giangaspero, M., ZHANG, S. Q. & (2020) Genomic Characteristics of Classical Swine Fever Virus Strains of Bovine Origin According to Primary and Secondary Sequence Structure Analysis. Open Veterinary Journal, 10 (1), 94-115. doi:10.4314/ovj.v10i1.15