奥地利首次报告在榕树中发现病毒

IF 1.9 3区 农林科学 Q2 AGRONOMY Phytopathologia Mediterranea Pub Date : 2024-02-17 DOI:10.36253/phyto-14952
E. B. Borroto Fernández, T. Elbeaino, Florian FÜRNSINN, A. Keutgen, Norbert Keutgen, M. Laimer
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引用次数: 0

摘要

无花果是最古老的栽培作物之一,主要生长在地中海地区。在奥地利,由于冬季比常年温和,温暖期比常年长,无花果的产量越来越高,也越来越受私人种植者的欢迎。为了将来繁殖一些无花果品种,我们利用聚合酶链式反应(PCR)检测法调查了八个无花果品种的植物检疫状况,这八个无花果品种代表了品种收集地中的四个奥地利基因型。四棵无花果树分别感染了无花果花叶病毒(FMV)、无花果坏疽病毒 1(FBV-1)、无花果花叶斑驳相关病毒 1(FLMaV-1)、无花果轻度斑驳相关病毒(FMMaV)和无花果斑点相关病毒(FFkaV);而无花果花叶斑驳相关病毒 2(FLMaV-2)、无花果潜伏病毒 1(FLV-1)和无花果隐性病毒 1(FCV-1)则未检出。从不同病毒和样本中获得的 PCR 扩增子序列与 GenBank 中的同源物相比,核苷酸变异性最大,FBV-1 为 0.5%,FLMaV-1 为 12%,FMV 为 16.3%,FMMaV 为 14%,FFkaV 为 15%。根据部分 RNA1 序列构建的 FMV 系统发生树显示,奥地利分离物与之前描述的西班牙和希腊分离物关系最为密切。在测试树上观察到的不同症状主要与无花果花叶病病原 FMV 的症状相似。这是首次报道奥地利存在无花果花叶病相关病毒。
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First report of virus detection in Ficus carica in Austria
Ficus carica is one of the most ancient cultivated crops, and is grown mainly in the Mediterranean region. In Austria, due to milder winters and longer warm periods than normal, figs are becoming more productive and popular among private growers. For future propagation of some fig varieties, the phytosanitary status of eight fig accessions, representing four Austrian genotypes maintained in a varietal collection plot, was investigated using PCR assays for presence of eight fig-infecting viruses. The four fig trees were infected with fig mosaic virus (FMV), fig badnavirus 1 (FBV-1), fig leaf mottle-associated virus 1 (FLMaV-1), fig mild mottle-associated virus (FMMaV) and fig fleck-associated virus (FFkaV); whereas fig leaf mottle-associated virus 2 (FLMaV-2), fig latent virus 1 (FLV-1) and fig cryptic virus 1 (FCV-1) were not detected. The sequences of PCR amplicons obtained from different viruses and samples showed greatest nucleotide variability of 0.5% for FBV-1, 12% for FLMaV-1, 16.3% for FMV, 14% for FMMaV, and 15% for FFkaV, when compared to their homologues in GenBank. A phylogenetic tree for FMV constructed based on partial RNA1 sequences showed that the Austrian isolates were most closely related to previously described Spanish and Greek isolates. The different symptoms observed in the tested trees were mainly in similar to with those reported for FMV, the agent of fig mosaic disease. This is the first report on the presence of fig mosaic-associated viruses in Austria.
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来源期刊
Phytopathologia Mediterranea
Phytopathologia Mediterranea 生物-植物科学
CiteScore
4.40
自引率
8.30%
发文量
28
审稿时长
6-12 weeks
期刊介绍: Phytopathologia Mediterranea is an international journal edited by the Mediterranean Phytopathological Union. The journal’s mission is the promotion of plant health for Mediterranean crops, climate and regions, safe food production, and the transfer of new knowledge on plant diseases and their sustainable management. The journal deals with all areas of plant pathology, including etiology, epidemiology, disease control, biochemical and physiological aspects, and utilization of molecular technologies. All types of plant pathogens are covered, including fungi, oomycetes, nematodes, protozoa, bacteria, phytoplasmas, viruses, and viroids. The journal also gives a special attention to research on mycotoxins, biological and integrated management of plant diseases, and the use of natural substances in disease and weed control. The journal focuses on pathology of Mediterranean crops grown throughout the world. The Editorial Board of Phytopathologia Mediterranea has recently been reorganised, under two Editors-in-Chief and with an increased number of editors.
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