Cocksfoot mottle sobemovirus establishes infection through the phloem

Otsus, Maarja; Uffert, Gabriela; Sõmera, Merike; Paves, Heiti; Olspert, Allan; Islamov, Bulat; Truve, Erkki

doi:10.1016/j.virusres.2012.03.005

Cited by 4 publications

(2 citation statements)

References 27 publications

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“…This hypothesis could be tested by quantifying starch concentrations in the leaves of healthy and PhyRMV-infected plants. Although, sobemoviruses are known to be transported long distance in both xylem and phloem (Sõmera et al 2015), several of the economically important viruses, such as cocksfoot mottle virus (CfMV), SBMV and southern cowpea mosaic virus (SCPMV), are transported only through the phloem (Weintraub and Ragetli 1970;Morales et al 1995;Otsus et al 2012). There is still no information on longdistance movement of PhyRMV, but it is reasonable to infer that the movement of the virus may be directly or indirectly involved in the damage measured.…”

Section: Discussionmentioning

confidence: 99%

Damage quantification in Physalis peruviana L. infected by the new putative sobemovirus physalis rugose mosaic virus

Gorayeb

Savi

Gonçalves

et al. 2020

Trop. plant pathol.

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A putative new virus, physalis rugose mosaic virus (PhyRMV), has been reported more frequently in Physalis peruviana associated with severe symptoms. In this study the damage caused by sap-inoculated PhyRMV in P. peruviana was assessed based on the comparison of host vegetative and reproductive parameters between virus-infected and healthy plants. Infected plants confirmed using molecular assays, showed a reduction in growth, leaf area, specific leaf area (SLA) and relative chlorophyll content. PhyRMV-infected plants yielded 70% less fruit of general lower quality parameters, except for pH, compared with the healty plants. Finally, seeds from PhyRMV-infected plants showed a reduced germination rate and, in accelerated aging assay, vigor of seeds were also significantly reduced.

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Section: Discussionmentioning

confidence: 99%

Damage quantification in Physalis peruviana L. infected by the new putative sobemovirus physalis rugose mosaic virus

Gorayeb

Savi

Gonçalves

et al. 2020

Trop. plant pathol.

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“…Also SoMV, BSSV, and SMAMV have been observed rather in xylem than in phloem [ 34 , 180 , 185 , 186 ]. However, CfMV, SBMV, and SCPMV particles have been found predominantly in phloem [ 179 , 187 , 188 , 189 ]. In the early stage of infection, CfMV particles were detected in phloem parenchyma and bundle sheath cells and later in mesophyll cells surrounding vascular bundles and only seldom in xylem parenchyma [ 189 ].…”

Section: Localization Of Virions In Cells and Tissuesmentioning

confidence: 99%

Overview on Sobemoviruses and a Proposal for the Creation of the Family Sobemoviridae

Sõmera

Sarmiento

Truve

2015

Viruses

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The genus Sobemovirus, unassigned to any family, consists of viruses with single-stranded plus-oriented single-component RNA genomes and small icosahedral particles. Currently, 14 species within the genus have been recognized by the International Committee on Taxonomy of Viruses (ICTV) but several new species are to be recognized in the near future. Sobemovirus genomes are compact with a conserved structure of open reading frames and with short untranslated regions. Several sobemoviruses are important pathogens. Moreover, over the last decade sobemoviruses have become important model systems to study plant virus evolution. In the current review we give an overview of the structure and expression of sobemovirus genomes, processing and functions of individual proteins, particle structure, pathology and phylogenesis of sobemoviruses as well as of satellite RNAs present together with these viruses. Based on a phylogenetic analysis we propose that a new family Sobemoviridae should be recognized including the genera Sobemovirus and Polemovirus. Finally, we outline the future perspectives and needs for the research focusing on sobemoviruses.

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Movement of Viruses Within Plants

Hull

2014

Plant Virology

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Cocksfoot mottle sobemovirus establishes infection through the phloem

Cited by 4 publications

References 27 publications

Damage quantification in Physalis peruviana L. infected by the new putative sobemovirus physalis rugose mosaic virus

Damage quantification in Physalis peruviana L. infected by the new putative sobemovirus physalis rugose mosaic virus

Overview on Sobemoviruses and a Proposal for the Creation of the Family Sobemoviridae

Movement of Viruses Within Plants

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