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首页> 外文期刊>Annual Review of Phytopathology >Biology and molecular biology of viruses in the genus Tenuivirus.
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Biology and molecular biology of viruses in the genus Tenuivirus.

机译:Tenuivirus属病毒的生物学和分子生物学。

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摘要

Viruses in the genus Tenuivirus (Tenuiviruses) cause a number of important diseases in economically important crop plants including rice and maize. Tenuiviruses are transmitted from plant to plant by specific planthopper vectors, and their transmission relationship is circulative-propagative. Thus, Tenuiviruses have host ranges including plants and animals (planthoppers (Fulgoroidea)). Four or 5 characteristic, circular ribonucleoprotein particles (RNPs), each containing a single Tenuivirus genomicRNA, can be isolated from Tenuivirus-infected plants. The genomic RNAs range in size from ca 9.0 to 1.3 kb and together give a total genome size of ca 18-19 kb. The genomic RNAs are either negative-sense or ambisense, and expression of the ambisense RNAs utilizes cap-snatching during mRNA transcription. The combination of characteristics exhibited by Tenuiviruses are quite different than those found for most plant viruses and are more similar to vertebrate-infecting viruses in the genus Phlebovirus ofthe Bunyaviridae.
机译:Tenuivirus属中的病毒(Tenuiviruses)在包括水稻和玉米在内的具有经济意义的农作物中引起许多重要的疾病。 Tenuivirus病毒通过特定的飞虱载体在植物之间传播,它们的传播关系是循环传播的。因此,腱鞘病毒具有宿主范围,包括植物和动物(飞虱(Fulgoroidea))。可以从感染Tenuivirus的植物中分离出四个或5个特征性的环状核糖核蛋白颗粒(RNP),每个颗粒都包含一个Tenuivirus基因组RNA。基因组RNA的大小在大约9.0到1.3 kb之间,总的基因组大小大约为18-19 kb。基因组RNA是负义或歧义的,歧义RNA的表达在mRNA转录过程中利用了帽捕捉。 Tenuiviruses病毒表现出的特征组合与大多数植物病毒中发现的特征完全不同,并且与Bunyaviridae的Phlebovirus属中的脊椎动物感染病毒更为相似。

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