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苹果茎沟病毒微滴数字RT-PCR检测方法的建立和应用
Establishment and application of droplet digital RT-PCR detection method for apple stem grooving virus

查看参考文献27篇

文摘 我国是第一大苹果生产国。苹果茎沟病毒(apple stem grooving virus,ASGV)在我国各苹果产区分布广泛,侵染果树导致树势变弱,生长量减少,果实品质下降,严重威胁我国苹果产业的可持续发展。病毒检测是果树病毒病防控的重要前提。本研究根据苹果茎沟病毒外壳蛋白基因保守序列,设计了引物和探针,建立了微滴数字PCR(droplet digital PCR, ddPCR)检测方法。所建立的检测方法能特异性检出苹果茎沟病毒,检测重复性好,灵敏度比qRT-PCR法高10倍,可适用于田间样品及组培苗检测。该方法的建立为苹果茎沟病毒的检测提供了重要的技术手段。
其他语种文摘 China is the largest apple producer in the world. Apple stem grooving virus (ASGV), which impairs the growth and yield of apple trees, is widely distributed in apple producing areas of China. Virus detection is crucial for the prevention and control of apple viral diseases. In this research, we designed primers and probes according to the conserved regions of ASGV coat protein gene. A droplet digital PCR (ddPCR) for ASGV detection was established and assessed. The results showed that the ddPCR could detect ASGV specifically with high repeatability. The sensitivity of ddPCR is 10 times higher than that of qPCR. The ddPCR established in this research could be applied for virus detection in field samples of orchard and virus-free seedlings.
来源 植物病理学报 ,2024,54(2):436-442 【核心库】
DOI 10.13926/j.cnki.apps.001330
关键词 苹果茎沟病毒 ; 微滴数字PCR ; 检测
地址

西北农林科技大学植物保护学院, 杨凌, 712100

语种 中文
文献类型 研究性论文
ISSN 0412-0914
学科 植物保护
基金 陕西省重大研发专项 ;  陕西省重点研发计划
文献收藏号 CSCD:7863507

参考文献 共 27 共2页

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引证文献 1

1 李紫腾 3种苹果病毒实时荧光定量RT-PCR检测体系的建立 河北农业大学学报,2024,47(5):84-92
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