doi: 10.15389/agrobiology.2025.5.777eng
UDC: 635.21:632.3:578.2
Acknowledgements:
Supported financially by the Russian Science Foundation, project № 23-76-01066
POTATO VIRUSES IN RUSSIA (review)
M.V. Lebedeva, M.N. Polyakova, V.V. Taranov✉
All-Russian Research Institute of Agricultural Biotechnology, 42, ul. Timiryazevskaya, Moscow, 127550 Russia, e-mail marilistik@mail.ru, kromashkakro@ya.ru, v.taranov1@gmail.com (✉ corresponding author)
ORCID:
Lebedeva M.V. orcid.org/0000-0001-5711-8331
Taranov V.V. orcid.org/0000-0002-0728-0346
Polyakova M.N. orcid.org/0009-0004-8743-561X
Final revision received April 07, 2025
Accepted April 30, 2025
Potato (Solanum tuberosum L.) is one of the most important cultivated crops in Russia. Due to the vegetative propagation, potatoes are strongly susceptible to viral diseases, which can lead to a dramatic decrease in yield and tuber quality. According to state standards, seed potatoes should be tested for the 6 most relevant viruses during production, and the methods of detection are PCR, ELISA, and LFT. However, only a relatively small number of strains of a limited number of viruses can be detected using these methods, whereas 50 different viruses are known to occur on potato (J.F. Kreuze et., 2020). In addition, according to the Rosstat data, most of the potato plantings in Russia belong to private farms, which are not controlled in any way. Therefore, the relevant composition of viromes and genetic diversity of potato viruses in Russia remain obscure. Investigations of potato viruses that use high-throughput methods for virus detection and full-genomes characterization have been coming out only in recent years. The review focuses on the problem of the lack of virus studies on potatoes in Russia and reasons for a need to increase their number for timely monitoring of virus populations in potato plantings. Firstly, a general characterization of the most widespread potato viruses is provided, and studies devoted to their genomes diversity and phylogeography are reviewed. Then, the advantages and disadvantages of the most commonly used laboratory methods for virus diagnostic based on the detection of viral proteins or nucleic acids are discussed (R. Kumar et al, 2019). Viruses often occur in mixed infections with other viruses, which sometimes leads to cumulative infection effect (A.V. Moreno et al, 2020). Therefore, available information about viral co-interaction is provided. The last section is devoted to the investigations of potato virus in Russia, which were conducted using laboratory methods. The data irregularity for different regions is shown. One of the problems that complicate the characterization of a representative sample of each virus is the large area of territories in different regions of the Russian Federation where potatoes are grown. This problem can be solved by the wider introducing of high-throughput sequencing methods, witch development makes them more available for researchers and which are actively used in some countries for the routine potato virus diagnostic.
Keywords: Solanum tuberosum L., virome, potato viruses, NGS, viral metagenome.
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