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Plants
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Research on Fruit Viruses and Phytoplasmas
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Research on Fruit Viruses and Phytoplasmas

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (15 February 2024) | Viewed by 4086

Special Issue Editors

Dr. Igor Koloniuk

E-Mail Website
Guest Editor
Department of Plant Virology, Institute of Plant Molecular Biology, Biology Centre of the Czech Academy of Sciences, v.v.i., 370 05 České Budějovice, Czech Republic
Interests: plant virus; virus vector interactions; viral quasi-species; plant viromes
Special Issues, Collections and Topics in MDPI journals
Dr. Jana Fránová

E-Mail Website
Guest Editor
Department of Plant Virology, Institute of Plant Molecular Biology, Biology Centre of the Academy of Sciences of the Czech Republic, 370 05 Ceske Budejovice, Czech Republic
Interests: plant viruses; phytoplasmas; PCR; RFLP; Sanger sequencing; electron microscopy; bioassays

Special Issue Information

Dear Colleagues,

Fruit crops remain in their habitats for several years (often decades) and are progressively attacked by various pathogens, including viruses and phytoplasmas. These pathogens cannot be eliminated from plants under field conditions, making the infection a lifelong problem. In addition to the disease and damage, the diseased plant serves as a source of infection. Using molecular techniques such as next-generation sequencing, new viral species are widely discovered. However, their biological significance is often unknown. This Special Issue of Research on Fruit Viruses is therefore devoted not only to the description of new viral and phytoplasma agents, but also to the biological properties of new and known pathogens, the study of their vectors, distribution and economic harmfulness.

Dr. Igor Koloniuk
Dr. Jana Fránová
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • small fruits
  • fruit trees
  • virus
  • phytoplasma
  • identification
  • molecular and biological assays
  • distribution
  • vectors
  • harmfulness

Published Papers (3 papers)

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Research

10 pages, 1607 KiB  
Communication
First Report and Complete Genome Characterization of Cherry Virus A and Little Cherry Virus 1 from Russia
by Sergei Chirkov, Anna Sheveleva, Svetlana Tsygankova, Natalia Slobodova, Fedor Sharko, Kristina Petrova and Irina Mitrofanova
Plants 2023, 12(18), 3295; https://doi.org/10.3390/plants12183295 - 18 Sep 2023
Viewed by 936
Abstract
Virus diseases affect the yield and fruit quality and shorten the productive life of stone fruits (Prunus spp. in the family Rosaceae). Of over fifty known viruses infecting these crops, cherry virus A (CVA) is among the most common, and little [...] Read more.
Virus diseases affect the yield and fruit quality and shorten the productive life of stone fruits (Prunus spp. in the family Rosaceae). Of over fifty known viruses infecting these crops, cherry virus A (CVA) is among the most common, and little cherry virus 1 (LChV1) is one of the most economically important. Using high-throughput sequencing, full-length genomes of CVA and LChV1 isolates, found on interspecies hybrids in the Prunus collection of the Nikita Botanical Gardens, Russia, were sequenced, assembled, and characterized. CVA was found in the P. cerasifera × P. armeniaca hybrid and in phylogenetic analysis clustered with non-cherry virus isolates. The LChV1 isolate Stepnoe was detected in ((P. cerasifera Ehrh. × P. armeniaca L.) × P. brigantiaca Vill.) trihybrid suggesting that both P. cerasifera and P. brigantiaca potentially can be the LChV1 hosts. The isolate Stepnoe was most closely related to the Greece isolate G15_3 from sweet cherry, sharing 77.3% identity at the nucleotide level. Possibly, the highly divergent Russian isolate represents one more phylogroup of this virus. This is the first report of CVA and LChV1 from Russia, expanding the information on their geographical distribution and genetic diversity. Full article
(This article belongs to the Special Issue Research on Fruit Viruses and Phytoplasmas)
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14 pages, 3312 KiB  
Article
Analysis of Virus-Derived siRNAs in Strawberry Plants Co-Infected with Multiple Viruses and Their Genotypes
by Igor Koloniuk, Alena Matyášová, Sára Brázdová, Jana Veselá, Jaroslava Přibylová, Eva Várallyay and Jana Fránová
Plants 2023, 12(13), 2564; https://doi.org/10.3390/plants12132564 - 6 Jul 2023
Viewed by 1233
Abstract
Plants can be infected with multiple viruses. High-throughput sequencing tools have enabled numerous discoveries of multi-strain infections, when more than one viral strain or divergent genomic variant infects a single plant. Here, we investigated small interfering RNAs (siRNAs) in a single strawberry plant [...] Read more.
Plants can be infected with multiple viruses. High-throughput sequencing tools have enabled numerous discoveries of multi-strain infections, when more than one viral strain or divergent genomic variant infects a single plant. Here, we investigated small interfering RNAs (siRNAs) in a single strawberry plant co-infected with several strains of strawberry mottle virus (SMoV), strawberry crinkle virus (SCV) and strawberry virus 1 (StrV-1). A range of plants infected with subsets of the initial viral species and strains that were obtained by aphid-mediated transmission were also evaluated. Using high-throughput sequencing, we characterized the small RNA fractions associated with different genotypes of these three viruses and determined small RNA hotspot regions in viral genomes. A comparison of virus-specific siRNA (vsiRNA) abundance with relative viral concentrations did not reveal any consistent agreement. Strawberry mottle virus strains exhibiting considerable variations in concentrations were found to be associated with comparable quantities of vsiRNAs. Additionally, by estimating the specificity of siRNAs to different viral strains, we observed that a substantial pool of vsiRNAs could target all SMoV strains, while strain-specific vsiRNAs predominantly targeted rhabdoviruses, SCV and StrV-1. This highlights the intricate nature and potential interference of the antiviral response within a single infected plant when multiple viruses are present. Full article
(This article belongs to the Special Issue Research on Fruit Viruses and Phytoplasmas)
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9 pages, 1299 KiB  
Communication
Characterization of Divergent Grapevine Badnavirus 1 Isolates Found on Different Fig Species (Ficus spp.)
by Sergei Chirkov, Anna Sheveleva, Svetlana Tsygankova, Fedor Sharko and Irina Mitrofanova
Plants 2022, 11(19), 2532; https://doi.org/10.3390/plants11192532 - 27 Sep 2022
Cited by 4 | Viewed by 1160
Abstract
Fig mosaic disease is spread worldwide and is believed to have a viral etiology. Divergent isolates of grapevine badnavirus 1 (GBV1), named fGBV1, were discovered on Ficus carica, F. palmata, F. virgata, and F. afghanistanica in the fig germplasm collection [...] Read more.
Fig mosaic disease is spread worldwide and is believed to have a viral etiology. Divergent isolates of grapevine badnavirus 1 (GBV1), named fGBV1, were discovered on Ficus carica, F. palmata, F. virgata, and F. afghanistanica in the fig germplasm collection of the Nikita Botanical Gardens, Russia, expanding the list of viruses infecting this crop. The complete genomes of five fGBV1 isolates from F. carica and F. palmata trees were determined using high-throughput and Sanger sequencing. The genomes comprised 7283 base pairs, contained four overlapping open reading frames, were 99.7 to 99.9% identical to each other, and related to GBV1 (83.2% identity). The reverse transcriptase RNase H genome regions of fGBV1 and GBV1 share 84.6% identity, indicating that fGBV1 is a divergent isolate of GBV1, which was found on the new natural hosts from a different family (Moraceae). Further, fGBV1-specific primers were developed to detect the virus using RT-PCR. Survey of 47 trees, belonging to four fig species and 14 local and introduced F. carica cultivars, showed the high fGBV1 prevalence in the collection (93.6%), including trees with no obvious symptoms of fig mosaic disease. Full article
(This article belongs to the Special Issue Research on Fruit Viruses and Phytoplasmas)
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