土耳其海参淋巴囊肿病病毒的分子特征

Pub Date : 2022-10-05 DOI:10.48045/001c.38086
K. Pekmez, M. Kaplan, A. A. Çağırgan, F. Arslan, B. Kafa, G. Kalaycı
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引用次数: 0

摘要

淋巴囊肿病是鱼类常见的慢性良性感染。该疾病在全球范围内均有分布,据报道有125多个海洋和淡水地区感染了该疾病。在这项研究中,从爱琴海一个农场采集的表现出淋巴囊炎症状的鲷鱼鱼苗样本中进行了淋巴囊炎病毒的分子诊断和表征。作为系统发育分析的结果,该病毒被分类为基因型VII。根据核苷酸序列的相似性,突尼斯报道的SA1.ETun.2011病毒是亲缘关系最密切的病毒。基因型之间的氨基酸替代率相当高,而基因型VII分离株之间的氨基酸取代率较低。当使用核苷酸序列研究基因型之间的相似性时,与基因型VII最近和最远的基因型分别是V和I。
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Molecular characterisation of Lymphocystis Disease Virus detected from Sea Bream in Turkey
Lymphocystis disease is a common, chronic and benign infection of fish. The disease has a worldwide distribution and has been reported from more than 125 marine and freshwater sites. In this study, molecular diagnosis and characterisation of Lymphocystis Disease Virus were performed from samples collected from sea bream fry showing lymphocystis disease symptoms in a farm located in the Aegean Sea. As a result of the phylogenetic analysis, the virus was classified as genotype VII. According to the similarity of nucleotide sequence, SA1.ETun.2011 virus reported from Tunisia was the closest related virus. The rate of amino acid substitution between genotypes was quite high, while amongst the genotype VII isolates substitution rates were low. When the similarity between the genotypes was investigated using the nucleotide sequences, the closest and most distant genotypes to the genotype VII were V and I, respectively.
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