Biology and Ultrastructural Characterization of Grapevine Badnavirus 1 and Grapevine Virus G

被引：6
作者：
Jagunic, Martin [1 ]
De Stradis, Angelo [2 ]
Preiner, Darko [3 ,4 ]
La Notte, Pierfederico [2 ]
Al Rwahnih, Maher [5 ]
Almeida, Rodrigo P. P. [6 ]
Voncina, Darko [1 ,4 ]
机构：
[1] Univ Zagreb Fac Agr, Dept Plant Pathol, Zagreb 10000, Croatia
[2] Inst Sustainable Plant Protect, Natl Res Council Italy, Via Amendola 122-D, I-70126 Bari, Italy
[3] Univ Zagreb Fac Agr, Dept Viticulture & Enol, Zagreb 10000, Croatia
[4] Ctr Excellence Biodivers & Mol Plant Breeding, Zagreb 10000, Croatia
[5] Univ Calif Davis, Fdn Plant Serv, Davis, CA 95616 USA
[6] Univ Calif, Rausser Coll Nat Resources, Dept Environm Sci Policy & Management, 130 Mulford Hall, Berkeley, CA 94720 USA
来源：
VIRUSES-BASEL | 2022年 / 14卷 / 12期
关键词：
grapevine badnavirus 1; grapevine virus G; real-time PCR; transmission modes; host range; cytopathology; RODITIS LEAF DISCOLORATION; PCR TAQMAN(R) ASSAYS; RT-PCR; VITIS-VINIFERA; RUGOSE WOOD; 1ST REPORT; TRANSMISSION; IDENTIFICATION; VITIVIRUS; DISEASE;
D O I：
10.3390/v14122695
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The biological characteristics of grapevine viruses, such as their transmission and host range, are important for the adoption of successful prophylaxis strategies. The aim of this study was to investigate the traits of two newly described grapevine viruses widely distributed in Croatia, grapevine badnavirus 1 (GBV-1) and grapevine virus G (GVG). The vine mealybug (Planoccocus ficus) proved to be a vector of GBV-1 and GVG capable of vine-to-vine transmission with overall experimental transmission rates of 61% and 14.6%, respectively. Transmission was also demonstrated by grafting, with an overall transmission rate of 53.8% for GBV-1 and 100% for GVG, as well as by green grafting using the T-budding technique. Symptoms of GBV-1 and GVG were not observed on the woody cylinders of the indicators LN 33, Kober 5BB, 110 Richter and cvs. Chardonnay and Cabernet Sauvignon. Seed transmission and mechanical transmission were not confirmed. Electron microscopy revealed accumulation of GBV-1 particles and viroplasms in the cytoplasm, but no alternations of the cell structure. Infection with GVG revealed the proliferation of tonoplast-associated vesicles inside phloem cells and cell wall thickening.
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页数：15
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