First Report of Capsicum chlorosis virus Infecting Tomato in Yunnan, Southwest of China

Yin, Yueyan; Li, T. T.; Xin-shi, LU; Qi, Fang; Ding, Ming; Zhang, Z. K.

doi:10.1094/pdis-01-15-0088-pdn

Cited by 9 publications

(6 citation statements)

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“…TCSV was reported to be actively spreading in the Nearctic countries such as United States (Sui et al, 2017;Poudel et al, 2019), Puerto Rico (Webster et al, 2013) and GRSV was reported in tomatoes and other vegetables in the United States (Webster et al, 2010(Webster et al, , 2014. CaCV is expanding its distribution in Indo-Malay and Australasian ecoregions as it was detected in Taiwan (Huang et al, 2010), China (Yin et al, 2015), and Australia (Sharman et al, 2020). TYRV was reported in Kenya (Birithia et al, 2012) andPoland (Zarzyñska-Nowak et al, 2016).…”

Section: Orthotospovirusesmentioning

confidence: 99%

Global Advances in Tomato Virome Research: Current Status and the Impact of High-Throughput Sequencing

et al. 2021

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Viruses cause a big fraction of economically important diseases in major crops, including tomato. In the past decade (2011–2020), many emerging or re-emerging tomato-infecting viruses were reported worldwide. In this period, 45 novel viral species were identified in tomato, 14 of which were discovered using high-throughput sequencing (HTS). In this review, we first discuss the role of HTS in these discoveries and its general impact on tomato virome research. We observed that the rate of tomato virus discovery is accelerating in the past few years due to the use of HTS. However, the extent of the post-discovery characterization of viruses is lagging behind and is greater for economically devastating viruses, such as the recently emerged tomato brown rugose fruit virus. Moreover, many known viruses still cause significant economic damages to tomato production. The review of databases and literature revealed at least 312 virus, satellite virus, or viroid species (in 22 families and 39 genera) associated with tomato, which is likely the highest number recorded for any plant. Among those, here, we summarize the current knowledge on the biology, global distribution, and epidemiology of the most important species. Increasing knowledge on tomato virome and employment of HTS to also study viromes of surrounding wild plants and environmental samples are bringing new insights into the understanding of epidemiology and ecology of tomato-infecting viruses and can, in the future, facilitate virus disease forecasting and prevention of virus disease outbreaks in tomato.

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Section: Orthotospovirusesmentioning

confidence: 99%

Global Advances in Tomato Virome Research: Current Status and the Impact of High-Throughput Sequencing

et al. 2021

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Section: Pest Categorisationmentioning

confidence: 99%

“…Degenerated primers to detect several tospoviruses, including CaCV, by RT‐PCR have been developed (Chu et al., 2001 ; Zheng et al., 2008 ; Chen et al., 2012 ; Yin et al., 2016 ). When these primers are used, final identification of CaCV needs cloning and sequencing or direct sequencing of the obtained PCR amplicons (Zheng et al., 2008 ; Haokip et al., 2016 ; Yin et al., 2016 ). Specific primers for RT‐PCR‐based identification of CaCV have been designed and efficiently applied in field surveys for the specific amplification of CaCV cDNAs and for the conclusive identification of the virus by more detailed sequence analyses (Krishnareddy et al., 2008 ; Yin et al., 2016 ; Basavaraj et al., 2020 ; Haokip et al., 2021 ).…”

Section: Pest Categorisationmentioning

confidence: 99%

“…When these primers are used, final identification of CaCV needs cloning and sequencing or direct sequencing of the obtained PCR amplicons (Zheng et al, 2008;Haokip et al, 2016;Yin et al, 2016). Specific primers for RT-PCR-based identification of CaCV have been designed and efficiently applied in field surveys for the specific amplification of CaCV cDNAs and for the conclusive identification of the virus by more detailed sequence analyses (Krishnareddy et al, 2008;Yin et al, 2016;Basavaraj et al, 2020;Haokip et al, 2021). Hassani-Mehraban et al (2016) designed generic and species-specific primers to detect tospoviruses in all the recognised tospovirus clades (Oliver and Whitfield, 2016;Hassani-Mehraban et al, 2019).…”

Section: Detection and Identification Of The Pestmentioning

confidence: 99%

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Pest categorisation of Capsicum chlorosis virus

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2022

EFS2

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The EFSA Panel on Plant Health conducted a pest categorisation of Capsicum chlorosis virus (CaCV) for the EU territory. The identity of CaCV, a member of the genus Orthotospovirus (family Tospoviridae ), is established and reliable detection and identification methods are available. The pathogen is not included in the EU Commission Implementing Regulation 2019/2072. CaCV has been reported in Australia, China, India, Iran, Taiwan, Thailand and USA (Hawaii). In the EU, it has been reported once in Greece (Crete Island). The NPPO of Greece reported that CaCV is no longer present in Greece. CaCV infects plant species in the family Solanaceae (i.e. pepper, tomato) and several species of other families, including ornamentals. It may induce severe symptoms on its hosts, mainly on leaves and fruits, which may become unmarketable. The virus is transmitted in a persistent propagative mode by the thrips Ceratothripoides claratris, Frankliniella schultzei, Microcephalothrips abdominalis and Thrips palmi. C. claratris and T. palmi are EU quarantine pests. M . abdominalis is known to be present in several EU member states and it is not regulated in the EU. Plants for planting, parts of plants, fruits and cut flowers of CaCV hosts, and viruliferous thrips were identified as the most relevant pathways for the entry of CaCV into the EU. Cultivated and wild hosts of CaCV are distributed across the EU. Should the pest enter and establish in the EU territory, impact on the production of cultivated hosts is expected. Phytosanitary measures are available to prevent entry and spread of the virus in the EU. CaCV fulfils the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest.

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“…The orthotospoviruses isolated from Yunnan belonged to four phylogenetic clades, with the majority (seven species) belonging to the WSMoV clade. Three new Orthotospovirus species were first reported in Yunnan: TZSV (Dong et al, 2008), hippeastrum chlorotic Chen et al, 2006, 2007, Chen et al, 2012aZheng et al, 2008;Huang et al, 2010;Yin et al, 2015;Sun et al, 2018 Adam et al, 1993;Zhang et al, 1998Zhang et al, , 2017Liu et al, 2010;Ren et al, 2014;Zheng et al, 2015b;Gao et al, 2016Gao et al, , 2020Jie et al, 2017;Sun et al, 2017;Zhu et al, ringspot orthotospovirus (HCRV; Dong et al, 2013), and chili yellow ringspot virus (CYRSV; Zheng et al, 2020). TSWV and TZSV were the dominant species, based on disease epidemics and severity (Zhang et al, 2016).…”

Section: Occurrence and Geographical Distributionmentioning

confidence: 99%

Occurrence, Distribution, Evolutionary Relationships, Epidemiology, and Management of Orthotospoviruses in China

et al. 2021

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Orthotospoviruses are responsible for serious crop losses worldwide. Orthotospoviral diseases have spread rapidly in China over the past 10 years and are now found in 19 provinces. Currently, 17 Orthotospovirus species have been reported in China, including eight newly identified species from this genus. The number of new highly pathogenic Orthotospovirus strains or species has increased, likely because of the virus species diversity, the wide range of available hosts, adaptation of the viruses to different climates, and multiple transmission routes. This review describes the distribution of Orthotospovirus species, host plants, typical symptoms of infection under natural conditions, the systemic infection of host plants, spatial clustering characteristics of virus particles in host cells, and the orthotospoviral infection cycle in the field. The evolutionary relationships of orthotospoviruses isolated from China and epidemiology are also discussed. In order to effectively manage orthotospoviral disease, future research needs to focus on deciphering the underlying mechanisms of systemic infection, studying complex/mixed infections involving the same or different Orthotospovirus species or other viruses, elucidating orthotospovirus adaptative mechanisms to multiple climate types, breeding virus-resistant plants, identifying new strains and species, developing early monitoring and early warning systems for plant infection, and studying infection transmission routes.

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First Report of Capsicum chlorosis virus Infecting Tomato in Yunnan, Southwest of China

Cited by 9 publications

References 4 publications

Global Advances in Tomato Virome Research: Current Status and the Impact of High-Throughput Sequencing

Global Advances in Tomato Virome Research: Current Status and the Impact of High-Throughput Sequencing

Pest categorisation of Capsicum chlorosis virus

Occurrence, Distribution, Evolutionary Relationships, Epidemiology, and Management of Orthotospoviruses in China

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