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首页> 外文期刊>International Journal of Biotechnology and Biochemistry >Variations in the Cp, C2 and C3 Genes of Begomoviruses Infecting Tobacco and Honeysuckle in Japan
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Variations in the Cp, C2 and C3 Genes of Begomoviruses Infecting Tobacco and Honeysuckle in Japan

机译：日本感染烟草和金银花的海棠病毒的Cp，C2和C3基因的变异

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The variability in the CP, C2 and C3 genes monopartite begomoviruses infecting honey suckle in Japan was investigated. Samples of tobacco and honeysuckle plants showing different viral symptoms were collected from Fukuoka, Kagoshima, Kobe, Kumamoto, Nagasaki, Oita, Sapporo and Tokyo prefectures and grown in the glasshouse. The begomoviruses' CP, C2 and C3 genes were amplified and sequenced. Sequence analysis revealed that Japanese honeysuckle and tobacco begomoviruses are more closely related to oneanother than they are to other begomoviruses from outside Japan. The CP was the most conserved gene while the C2 was the most diverse. Moreover, the honeysuckle plants collected showed great symptom variability that matched the respective variability inthe C2 gene of the infecting begomoviruses Phylogenetic analysis of the aligned sequences generated a tree with two clusters, one contained tobacco begomoviruses, while the other had honeysuckle begomoviruses. However, a few tobacco begomoviruses where clustered together with the honeysuckle begomoviruses and vice versa. This observation clearly shows that some tobacco begomoviruses could be infecting honeysuckle and vicevarsa. Other factors that have been implicated in symptom regulation elsewhere suchas the presence or absence of DNA beta are discussed.
机译：在日本，研究了感染蜂蜜乳的CP，C2和C3基因单倍体begomoviruses的变异性。从福冈，鹿儿岛，神户，熊本，长崎，大分，札幌和东京都收集了表现出不同病毒症状的烟草和金银花植物样品，并在温室内种植。对begomoviruses的CP，C2和C3基因进行了扩增和测序。序列分析表明，日本金银花和烟草的begomovirus与彼此之间的联系比与来自日本以外的其他begomovirus的联系更紧密。 CP是最保守的基因，而C2是最多样化的基因。此外，收集的金银花植物表现出很大的症状变异性，与感染的begomoviruses的C2基因中的相应变异相匹配。对比对序列的系统进化分析生成了具有两个簇的树，一个簇包含烟草begomovirus，而另一个簇具有金银花begomovirus。但是，一些烟草begomoviruses与金银花begomoviruses聚集在一起，反之亦然。这一观察结果清楚地表明，一些烟草begomovirus病毒可能会感染金银花和虎杖。讨论了与其他地方的症状调节有关的其他因素，例如是否存在DNAβ。

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