百合病毒的高通量测序鉴定和RT-PCR检测
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国家重点研发计划项目(2019YFD1001800)


Identification and detection of lily virus by high-throughput sequencing and RT-PCR
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    摘要:

    为明确百合在生产中被病毒侵染的情况,利用高通量测序技术对云南、浙江等地的百合染病样品进行病毒鉴定,通过序列比对和拼接,获得了车前草花叶病毒(plantago asiatica mosaic virus,PlAMV)、百合斑驳病毒(lily mottle virus,LMoV)、大丽花花叶病毒(dahlia mosaic virus,DMV)、黄瓜花叶病毒(cucumber mosaic virus,CMV)、玄参花叶病毒(figwort mosaic virus,FMV)、玫瑰黄脉病毒(rose yellow vein virus,RYVV)、大丽花普通花叶病毒(dahlia common mosaic virus,DCMV)、木薯脉花叶病毒(cassava vein mosaic virus,CsVMV)等8种已知病毒和2种未知病毒的序列信息。对从云南、浙江、江西、上海、广东、湖南6个省(市)采集的48份百合样品进行了上述8种病毒的 RT-PCR 检测。结果显示,在百合样品中,DMV、RYVV、PlAMV和LMoV发生普遍,检出率均高于95%,FMV检出率高于85%,CMV检出率最低,且仅在云南省昆明市的样品中检出,而DCMV和 CsVMV未检测到。检测样品中百合病毒复合侵染率为100%,单一样品检测出3~6种病毒,共有6种复合类型,以云南省昆明市的百合病毒复合侵染情况最复杂,昆明的单一样品均有5~6种病毒感染。以上结果表明,所检测地区百合病毒的检出率和复合侵染率都较高,因此,在生产中应实时监控和检测百合植株的带毒情况,及早发现染病植株,防止病毒扩散和传播,以免造成经济损失。

    Abstract:

    In order to clarify the virus infection of lily in production,virus-infected lily samples collected from Yunnan and Zhejiang Provinces were analyzed by using high-throughput sequencing technique.Eight known viruses,including lily mottle virus (LMoV),cucumber mosaic virus (CMV),plantago asiatica mosaic virus (PlAMV),dahlia mosaic virus (DMV),figwort mosaic virus (FMV),rose yellow vein mosaic virus (RYVV),dahlia common mosaic virus (DCMV),and cassava vein mosaic virus (CsVMV),and two new viruses were identified through sequence alignment and assembly.Then 48 lily samples collected from Yunnan,Zhejiang,Jiangxi,Shanghai,Guangdong and Hunan Provinces were detected using reverse transcription polymerase chain reaction (RT-PCR).The results showed that DMV,RYVV,PlAMV and LMoV were predominant and the positive detection rates of them were above 95%.The positive rate of FMV was higher than 85%,while that of CMV was the lowest,which was only positive in the samples from Kunming,Yunnan Province.DCMV and CsVMV were not detected in these samples.The mixed infection rate of lily virus was 100%,and 3-6 viruses were positive in a single sample,with a total of 6 mix types.The mixed infection of lily virus in Kunming,Yunnan Province was the most complicated.A single sample from Kunming was infected with 5-6 viruses.These results indicated that the detection rate and the mixed infection rate of lily viruses were both high in the detected areas. Therefore, it is necessary to monitor and detect the viruses that infected lily plants as early as possible to prevent the transmission of viruses and avoid economic losses.

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袁志豪,李振锋,陆月霞,蔡丽.百合病毒的高通量测序鉴定和RT-PCR检测[J].华中农业大学学报,2022,41(3):157-163

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  • 收稿日期:2022-02-22
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  • 在线发布日期: 2022-06-15
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