ArticleThe Plant journal : for cell and molecular biology2020
Disturbance of floral colour pattern by activation of an endogenous pararetrovirus, petunia vein clearing virus, in aged petunia plants.
Article in The Plant journal : for cell and molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 27 citations in OpenAlex.
- Identification and characterization of an endogenous pararetrovirus in Gentiana triflora plants.Archives of virology · 2026Article
- Suppressor activity against cosuppression conferred by the petunia vein clearing virus genome.Transgenic research · 2026Article
- High-Throughput Sequencing Identified Multiple Fig Viruses and Viroids Associated with Fig Mosaic Disease in Iraq.The plant pathology journal · 2024Article
- Distribution and Location of BEVs in Different Genotypes of Bananas Reveal the Coevolution of BSVs and Bananas.International journal of molecular sciences · 2023Article
- Endogenous Caulimovirids: Fossils, Zombies, and Living in Plant Genomes.Biomolecules · 2023Review
- Rearranged Endogenized Plant Pararetroviruses as Evidence of Heritable RNA-based Immunity.Molecular biology and evolution · 2023Article
- The Amsterdam petunia germplasm collection: A tool in plant science.Frontiers in plant science · 2023Review
- The essential role of the quasi-long terminal repeat sequence for replication and gene expression of an endogenous pararetrovirus, petunia vein clearing virus.Plant biotechnology (Tokyo, Japan) · 2022Article
- Eco-Evo-Devo of petal pigmentation patterning.Essays in biochemistry · 2022Article
- Genome-wide identification of Reverse Transcriptase domains of recently inserted endogenous plant pararetrovirus (Frontiers in plant science · 2022Article
- Broken, silent, and in hiding: tamed endogenous pararetroviruses escape elimination from the genome of sugar beet (Beta vulgaris).Annals of botany · 2021Article
- Participation of Multifunctional RNA in Replication, Recombination and Regulation of Endogenous Plant Pararetroviruses (EPRVs).Frontiers in plant science · 2021Review
- Insertion of Badnaviral DNA in the Late Blight Resistance Gene (R1a) of Brinjal Eggplant (Frontiers in plant science · 2021Article
- Cucumber Mosaic Virus Infection inFrontiers in microbiology · 2021Article
- The MicroRNA828/MYB12 Module Mediates Bicolor Pattern Development in Asiatic Hybrid Lily (Frontiers in plant science · 2020Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
White areas of star-type bicolour petals of petunia (Petunia hybrida) are caused by post-transcriptional gene silencing (PTGS) of the key enzyme of anthocyanin biosynthesis. We observed blotched flowers and a vein-clearing symptom in aged petunia plants. To determine the cause of blotched flowers, we focused on an endogenous pararetrovirus, petunia vein clearing virus (PVCV), because this virus may have a suppressor of PTGS (VSR). Transcripts and episomal DNAs derived from proviral PVCVs accumulated in aged plants, indicating that PVCV was activated as the host plant aged. Furthermore, DNA methylation of CG and CHG sites in the promoter region of proviral PVCV decreased in aged plants, suggesting that poor maintenance of DNA methylation activates PVCV. In parallel, de novo DNA methylation of CHH sites in its promoter region was also detected. Therefore, both activation and inactivation of PVCV occurred in aged plants. The accumulation of PVCV transcripts and episomal DNAs in blotched regions and the detection of VSR activity support a mechanism in which suppression of PTGS by PVCV causes blotched flowers.
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