Genomic Analyses of Cherry Rusty Mottle Group and Cherry Twisted Leaf-Associated Viruses Reveal a Possible New Genus Within the Family <i>Betaflexiviridae</i>

Villamor, D. E. V.; Susaimuthu, James; Eastwell, Kenneth C.

doi:10.1094/phyto-03-14-0066-r

Cited by 17 publications

(16 citation statements)

References 43 publications

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“…Despite the frequent presence of multiple infectious agents in naturally infected trees, a correlation seems established between the presence of CTLaV and cherry twisted leaf or apricot ringpox diseases symptoms (Villamor et al, 2015) Yes Shorter internodes, stunting and fruit abnormalities are also associated with the virus infections.…”

Section: Yesmentioning

confidence: 99%

“…Recently described virus (Villamor et al, 2015). Twenty-two non-EU viruses of Prunus (APLPV, AVCaV, APV-1, APV-2, APV-3, CPrV, CMLV, CRV, CRMaV, CTLaV, CVB, MuVA, NSPaV, NeVM, PcMV, PEV, PLPaV, PeCMV, PeVD, PrGVA, PrVF, PrVT) have not been reported from natural hosts other than Prunus, although some of them can infect some or many experimental herbaceous hosts.…”

Section: No Other Known Natural Hostsmentioning

confidence: 99%

“…No other known natural hostsRecently described virus(Villamor et al, 2015). Woody host-infecting betaflexiviruses generally have narrow host ranges so that the existence of natural hosts outside of the Prunus genus is considered unlikelyNo other known natural hostsRecently described virus(He et al, 2017).…”

mentioning

confidence: 99%

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Pest categorisation of non‐EU viruses and viroids of Prunus L.

Bragard¹,

Dehnen‐Schmutz²,

Gonthier³

et al. 2019

EFS2

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Following a request from the EU Commission, the Panel on Plant Health addressed the pest categorisation of the viruses and viroids of Prunus L. determined as being either non-EU or of undetermined standing in a previous EFSA opinion. These infectious agents belong to different genera and are heterogeneous in their biology. With the exclusion of Ilarvirus S1 and Ilarvirus S2, for which very limited information exists, the pest categorisation was completed for 26 viruses and 1 viroid having acknowledged identities and available detection methods. All these viruses are efficiently transmitted by vegetative plant propagation techniques, with plants for planting representing the major pathway for long-distance dispersal and thus considered as the major pathway for entry. Depending on the virus, additional pathway(s) can also be Prunus seeds, pollen and/or vector(s). Most of the viruses categorised here are known to infect only one or few plant genera, but some of them have a wide host range, thus extending the possible entry pathways. Apple scar skin viroid, American plum line pattern virus, cherry mottle leaf virus, cherry rasp leaf virus, cherry rosette virus, cherry rusty mottle-associated virus, cherry twisted leaf-associated virus, peach enation virus, peach mosaic virus, peach rosette mosaic virus, tobacco ringspot virus and tomato ringspot virus meet all the criteria evaluated by EFSA to qualify as potential Union quarantine pests (QPs). With the exception of impact in the EU territory, on which the Panel was unable to conclude, apricot vein clearing virus, Asian prunus virus 1, Asian prunus virus 2, Asian prunus virus 3, Caucasus prunus virus, cherry virus B, Mume virus A, nectarine stem pitting-associated virus, nectarine virus M, peach chlorotic mottle virus, peach leaf pitting-associated virus, peach virus D, prunus virus F and prunus virus T satisfy all the other criteria to be considered as potential Union QPs. Prunus geminivirus A does not meet the criterion of having negative impact in the EU. For several viruses, especially those recently discovered, the categorisation is associated with high uncertainties mainly because of the absence of data on their biology, distribution and impact. Since this opinion addresses specifically the non-EU viruses, in general these viruses do not meet the criteria assessed by EFSA to qualify as potential Union regulated non-quarantine pests.

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Section: Yesmentioning

confidence: 99%

Section: No Other Known Natural Hostsmentioning

confidence: 99%

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Pest categorisation of non‐EU viruses and viroids of Prunus L.

Bragard¹,

Dehnen‐Schmutz²,

Gonthier³

et al. 2019

EFS2

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“…2.). CRMaV-SC is clearly most closely related to isolates of CRMaV (in particular 8804) and therefore should be included in the genus Robigovirus (Villamor et al 2015) of the family Betaflexiviridae, subfamily Quinvirinae (ICTV 2016). A comparison of the percentage identity of the putative amino acid sequences of the open reading frames (ORF) of CRMVa-SC as compared to the corresponding ORFs of other Robigoviruses is shown in Table 1.…”

mentioning

confidence: 99%

A report of cherry rusty mottle-associated virus in South Carolina

Poudel

Scott

2017

Australasian Plant Dis. Notes

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A cherry tree (Prunus serrulata cv BShirofugen^) exhibiting leaf symptoms frequently associated with viral infection was discovered at the Fruit Research Farm (Musser Farm) of Clemson University. A virus infecting the tree was characterized using molecular techniques, and a BLAST search using the full length genomic sequence of the virus (GenBank Accession KF356396) showed 97% identity with Cherry rusty mottle-associated virus. This virus had not previously been described from South Carolina. It is suggested that the virus originated from ornamental flowering cherry material ('Yoshino' cherry [Prunus × yedoensis]) planted on the nearby University Campus and Bchip-budded^to the tree of BShirofugen^as a positive control sample during a bioassay for Prunus necrotic ringspot virus.

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“…Cherry necrotic rusty mottle (CNRMV) and Cherry green ring mottle virus (CGRMV) are two species belonging to the newly established genus Robigovirus within the family Betaflexiviridae of ssRNA plant viruses (Villamor et al 2015;ICTV 2016). Both viruses are filamentous with the positive-sense RNA genome ranging from 8.3 kB to 8.9 kB in length and composed of 7 ORFs.…”

mentioning

confidence: 99%

Cherry necrotic rusty mottle and Cherry green ring mottle viruses in Czech cherry germplasm

Špak¹,

Přibylová²,

Šafářová³

et al. 2017

Plant Prot. Sci.

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AbstractŠpak J., Přibylová J., Šafářová D., Lenz O., Koloniuk I., Navrátil M., Fránová J., Špaková V., Paprštein F. (2017) Using reverse transcription polymerase chain reaction, 160 sweet and sour cherry trees from a germplasm collection, orchards, and wild trees in the Czech Republic were screened for the presence of Cherry necrotic rusty mottle virus (CNRMV) and Cherry green ring mottle virus (CGRMV). The viruses were detected exclusively in sweet cherry trees in the germplasm collection, with CNRMV determined in two trees and CGRMV in four trees. Using next-generation sequencing, nearly complete genomic sequences (complete ORFs) were obtained for one CNRMV and three CGRMV isolates. Their relatedness to GenBank sequences of isolates from different countries together with negative results from screening outside of the germplasm collection suggests that the viruses had been imported with accessions.

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Genomic Analyses of Cherry Rusty Mottle Group and Cherry Twisted Leaf-Associated Viruses Reveal a Possible New Genus Within the Family Betaflexiviridae

Cited by 17 publications

References 43 publications

Pest categorisation of non‐EU viruses and viroids of Prunus L.

Pest categorisation of non‐EU viruses and viroids of Prunus L.

A report of cherry rusty mottle-associated virus in South Carolina

Cherry necrotic rusty mottle and Cherry green ring mottle viruses in Czech cherry germplasm

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