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In this study, we calculate the relative synonymous codon usage (RSCU) values and codon usage bias (CUB) values to carry out a comparative analysis of codon usage pattern for open reading frames (ORFs) among 85 samples which belong to all seven serotypes of foot-and-mouth disease virus (FMDV). Although the degree of CUB for ORFs is a relatively slight,(More)
BACKGROUND Mitochondrial genomes provide a rich source of molecular variation of proven and widespread utility in molecular ecology, population genetics and evolutionary biology. The tapeworm genus Taenia includes a diversity of tapeworm parasites of significant human and veterinary importance. Here we add complete sequences of the mt genomes of T.(More)
The usefulness of reverse transcription loop-mediated isothermal amplification (RT-LAMP) for rapid pre-clinical detection of classical swine fever virus (CSFV) infection was evaluated. The RT-LAMP reaction could be finished in 60 min under isothermal condition at 65 degrees C by employing a set of four primers targeting the 5' untranslated region of CSFV.(More)
To investigate the codon usage pattern of the contexts flanking 11 cleavage sites of foot-and-mouth disease virus (FMDV) polyprotein, the codon usage model of the corresponding codon position and the synonymous codon usage in the target contexts of 66 strains were characterized by two simple methods based on the relative synonymous codon usage value. The(More)
Foot-and-mouth disease (FMD) remains a major threat to livestock worldwide, especially in developing countries. To improve the efficacy of vaccination against FMD, various types of vaccines have been developed, including synthetic peptide vaccines. We designed three synthetic peptide vaccines, 59 to 87 aa in size, based on immunogenic epitopes in the VP1,(More)
Dengue is the most common arthropod-borne viral (Arboviral) illness in humans. The genetic features concerning the codon usage of dengue virus (DENV) were analyzed by the relative synonymous codon usage, the effective number of codons and the codon adaptation index. The evolutionary distance between DENV and the natural hosts (Homo sapiens, Pan troglodytes,(More)
Reverse transcription loop-mediated isothermal amplification (RT-LAMP) is a unique gene amplification method that can be completed within 45 min at 63 degrees C. In this study, RT-LAMP was used to develop a rapid and sensitive laboratory diagnostic system for the H9 subtype of avian influenza virus (AIV). The experiment results from the reference strains(More)
A method of loop-mediated isothermal amplification (LAMP) was employed to develop a rapid and simple detection system for porcine circovirus type 2 (PCV2). The amplification could be finished in 60 min under isothermal condition at 64 degrees C by employing a set of four primers targeting the cap gene of PCV2. The LAMP assay showed higher sensitivity than(More)
The mechanism of utilization of alternative two AUGs in foot-and-mouth disease virus (FMDV) is still unknown to date. In this study, the characteristics of codon usage bias (CUB) of the region between the two AUGs (the region-La) and of the same-sized region behind the second AUG (the region-Lb) in 94 different FMDV RNA sequences were analyzed using(More)
To give a new perspective on the codon usage of the hepatitis C virus (HCV) and the factors accounting for shaping the codon usage pattern of the virus, the relative synonymous codon usage (RSCU) values, aromaticity and hydrophobicity of each polyprotein of the virus, effective number of codons (ENC) values and nucleotide contents were calculated to(More)