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Lim, H.S.,Nam, J.,Seo, E.Y.,Nam, M.,Vaira, A.M.,Bae, H.,Jang, C.Y.,Lee, C.H.,Kim, H.G.,Roh, M.,Hammond, J. Academic Press 2014 Virology Vol.452 No.-
Different isolates of Alternanthera mosaic virus (AltMV; Potexvirus), including four infectious clones derived from AltMV-SP, induce distinct systemic symptoms in Nicotiana benthamiana. Virus accumulation was enhanced at 15<SUP>o</SUP>C compared to 25<SUP>o</SUP>C; severe clone AltMV 3-7 induced systemic necrosis (SN) and plant death at 15<SUP>o</SUP>C. No interaction with potexvirus resistance gene Rx was detected, although SN was ablated by silencing of SGT1, as for other cases of potexvirus-induced necrosis. Substitution of AltMV 3-7 coat protein (CP<SUB>SP</SUB>) with that from AltMV-Po (CP<SUB>Po</SUB>) eliminated SN at 15<SUP>o</SUP>C, and ameliorated symptoms in Alternanthera dentata and soybean. Substitution of only two residues from CP<SUB>Po</SUB> [either MN(13,14)ID or LA(76,77)IS] efficiently ablated SN in N. benthamiana. CP<SUB>SP</SUB> but not CP<SUB>Po</SUB> interacted with Arabidopsis boron transporter protein AtBOR1 by yeast two-hybrid assay; N. benthamiana homolog NbBOR1 interacted more strongly with CP<SUB>SP</SUB> than CP<SUB>Po</SUB> in bimolecular fluorescence complementation, and may affect recognition of CP as an elicitor of SN.
Occurrence of Mosaic Disease of Hosta Plane Caused by Hosta virus X
Ryu, Ki-Hyun,Park, Min-Hye,Lee, Jong-Suk The Korean Society of Plant Pathology 2002 Plant Pathology Journal Vol.18 No.6
Systemic virus symptoms caused by a Potexvirus were observed on leaves of infected hosta (Hasta spp.) plants cultivated in Seoul, Korea. Symptoms on diseased hosta plants include mosaic, mottle, irregular blotchy patches, and chlorotic spots on or distortion of the leaves. No other viruses, such as Cucumber mosaic virus, Lily symptomless virus, or Potyvirus, were detected from the same plants by electron microscopy and by Western blot and RT-PCR analyses, indicating that they were singly infected by the potexvirus. The symptoms differed among cultivars and species of hosta, and affected the quality of plants for commercialization, as well as, plant growth and flowering of susceptible cultivars. Most of the cultivars and species investigated were susceptible to the virus, while some were not infected by the virus at all. Purified virus particles were of filamentous type with unaggregated forms 540 nm in length, which is a typical potexviral morphology. The virus consisted of a single-stranded RNA molecule of 6 kb long for genome and single component of coat protein (CP) about 27 kDa. The CP strongly reacted with the antiserum against Hosta vims X (HVX), suggesting that the virus is an isolate of HVX. This is the first report of the occurrence and identification of HVX from hosta plants in Korea.
Occurrence of Mosaic Disease of Hosta virus X
류기현,이종석,박민혜 한국식물병리학회 2002 Plant Pathology Journal Vol.18 No.6
Systemic virus symptoms caused by a Potexvirus were observed on leaves of infected hosta (Hosta spp.) plants cultivated in Seoul, Korea. Symptoms on diseased hosta plants include mosaic, mottle, irregular blotchy patches, and chlorotic spots on or distortion of the leaves. No other viruses, such as Cucumber mosaic virus, Lily symptomless virus, or Potyvirus, were detected from the same plants by electron microscopy and by Western blot and RT-PCR analyses, indicating that they were singly infected by the potexvirus. The symptoms differed among cultivars and species of hosta, and affected the quality of plants for commercialization, as well as, plant growth and flowering of susceptible cultivars. Most of the cultivars and species investigated were susceptible to the virus, while some were not infected by the virus at all. Purified virus particles were of filamentous type with unaggregated forms 540 nm in length, which is a typical potexviral morphology. The virus consisted of a single-stranded RNA molecule of 6 kb long for genome and single component of coat protein (CP) about 27 kDa. The CP strongly reacted with the antiserum against Hosta virus X (HVX), suggesting that the virus is an isolate of HVX. This is the first report of the occurrence and identification of HVX from hosta plants in Korea.
The possibility of virus transmission from viruliferous Rhizoglyphus robini
Jung Beom Yoon,Kyung san Choi,Sun young Lee,Mi hye Seo 한국응용곤충학회 2023 한국응용곤충학회 학술대회논문집 Vol.2023 No.10
뿌리응애류는 양파, 마늘, 생강, 백합 등의 뿌리를 가해한다. 최근 백합재배지에서는 질경이모자이크바이러 스(Plantago asiatica mosaic virus, PLAMV)에 의한 잎의 괴사 피해가 확산되고 있다. 태안 백합재배지에서 PlAMV 가 감염된 백합을 채집하여 구근을 조사한 결과, 식물체 당 뿌리응애 100개체 이상이 발견되었으며 Rhizoglyphus robini로 동정되었다. 이 종이 PlAMV의 보독여부를 확인하기 위해 채집된 R. robini에서 RNA를 추출하여 RT-PCR로 진단한 결과, 모든 개체에서 PlAMV가 확인되었다. 본 연구는 뿌리응애가 백합 구근 뿌리를 먹으면서 만든 상처를 통해 PlAMV가 전염될 수 있다는 가능성을 제시한다.
박충화,송은경,류기현 한국식물병리학회 2018 Plant Pathology Journal Vol.34 No.1
Co-infection with two virus species was previously reported in some cactus plants. Here, we showed that Notocactus leninghausii f. cristatus can be co-infected with six different viruses: cactus mild mottle virus (CMMoV)-Nl, cactus virus X (CVX)-Nl, pitaya virus X (PiVX)-Nl, rattail cactus necrosis-associated virus (RCNaV)-Nl, schlumbergera virus X (SchVX)-Nl, and zygocactus virus X (ZyVX)-Nl. The coat protein sequences of these viruses were compared with those of previously reported viruses. CMMoV-Nl, CVX-Nl, PiVX-Nl, RCNaV-Nl, SchVX-Nl, and ZyVX-Nl showed the greatest nucleotide sequence homology to CMMoVKr (99.8% identity, GenBank accession NC_011803), CVX-Jeju (77.5% identity, GenBank accession LC12841), PiVX-P37 (98.4% identity, GenBank accession NC_024458), RCNaV (99.4% identity, GenBank accession NC_016442), SchVX-K11 (95.7% identity, GenBank accession NC_011659), and ZyVX-B1 (97.9% identity, GenBank accession NC_006059), respectively. This study is the first report of co-infection with six virus species in N. leninghausii f. cristatus in South Korea.