陰道毛滴蟲病毒基因組全長cDNA克隆
發(fā)布時間:2018-09-05 14:16
【摘要】: 本研究首先從臨床分離陰道毛滴蟲,用肝浸湯進行純培養(yǎng),提取蟲體總核酸,1%瓊脂糖凝膠電泳,初步篩選出一株攜帶陰道毛滴蟲病毒的蟲株;然后根據(jù)國外已發(fā)表的陰道毛滴蟲序列設計了一對覆蓋全長的特異性引物,對陰道毛滴蟲病毒基因組進行了全長cDNA克隆并測序,測得我國陰道毛滴蟲病毒基因組全長為4649bp。該序列編碼兩個閱讀框(ORF),二個閱讀框有14nt的重復,在重復區(qū)有一個7聚體的滑動體(C CTT TTT)。ORF1(nt290-2326)包含678個氨基酸,編碼分子量為74.9KDa的病毒衣殼蛋白;ORF2(nt2310-4581)包含756個氨基酸,編碼分子量為85.8KDa的RNA依賴的RNA聚合酶(RDRP)蛋白。本研究的結果為深入研究我國陰道毛滴蟲病毒奠定了良好基礎。
[Abstract]:In this study, Trichomonas vaginalis was isolated from clinic, cultured with liver steeping decoction, 1% agarose gel electrophoresis of total nucleic acid was extracted, and a strain carrying trichomonas vaginalis virus was screened. Then a pair of specific primers covering the whole length of Trichomonas vaginalis were designed according to the published sequences of Trichomonas vaginalis. The full-length cDNA of Trichomonas vaginalis virus was cloned and sequenced. The total length of the genome of Trichomonas vaginalis virus in China was 4649bp. The sequence encodes two reading frames, (ORF), two reading frames with 14nt repeats, a 7-mer slider (C CTT TTT) .ORF1 (nt290-2326) containing 678 amino acids, and a viral capsid protein (nt2310-4581) with a molecular weight of 74.9KDa containing 756 amino acids. Encoding RNA dependent RNA polymerase (RDRP) protein with molecular weight of 85.8KDa. The results of this study laid a good foundation for further study of Trichomonas vaginalis virus in China.
【學位授予單位】:吉林大學
【學位級別】:碩士
【學位授予年份】:2006
【分類號】:R382
本文編號:2224537
[Abstract]:In this study, Trichomonas vaginalis was isolated from clinic, cultured with liver steeping decoction, 1% agarose gel electrophoresis of total nucleic acid was extracted, and a strain carrying trichomonas vaginalis virus was screened. Then a pair of specific primers covering the whole length of Trichomonas vaginalis were designed according to the published sequences of Trichomonas vaginalis. The full-length cDNA of Trichomonas vaginalis virus was cloned and sequenced. The total length of the genome of Trichomonas vaginalis virus in China was 4649bp. The sequence encodes two reading frames, (ORF), two reading frames with 14nt repeats, a 7-mer slider (C CTT TTT) .ORF1 (nt290-2326) containing 678 amino acids, and a viral capsid protein (nt2310-4581) with a molecular weight of 74.9KDa containing 756 amino acids. Encoding RNA dependent RNA polymerase (RDRP) protein with molecular weight of 85.8KDa. The results of this study laid a good foundation for further study of Trichomonas vaginalis virus in China.
【學位授予單位】:吉林大學
【學位級別】:碩士
【學位授予年份】:2006
【分類號】:R382
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