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5 cze 2023 · According to the evolutionary relationships between hallmark viral genes, plant viruses are classified into two realms, Monodnaviria and Riboviria, which include single-strand DNA (ssDNA) viruses and RNA viruses, respectively.
1 sty 2020 · Plant DNA viruses are notably rare as compared with animal and bacterial DNA viruses. This chapter focuses on the biochemistry, replication and molecular genetics of plant DNA viruses. The ssDNA plant viruses are small, encode few proteins, and depend mainly on the host factor for their replication.
21 paź 2011 · DNA-B encodes two genes required for plant virus movement: BC1, movement protein (cell to cell); BV1, nuclear shuttle protein. C, complementary-sense open reading frames (ORFs); V, virus-sense ORFs. Black box, location of the nucleotide sequence common to both genomic components.
12 wrz 2022 · Plant viruses encode genomes that consist of single-stranded (ss) or double-stranded (ds) DNA or RNA segment (s) with positive-, negative-, or ambisense polarity (Koonin et al. 2021). The genetic material of plant viruses is generally encapsidated in virions by capsid protein (s) (Callaway et al. 2001).
Leaf curl virus. Plant viruses are viruses that have the potential to affect plants. Like all other viruses, plant viruses are obligate intracellular parasites that do not have the molecular machinery to replicate without a host. Plant viruses can be pathogenic to vascular plants ("higher plants").
24 gru 2022 · DNA viruses belong to either Group I (double-stranded DNA; dsDNA) or Group II (single-stranded DNA; ssDNA) of the Baltimore classification system for viruses. Single-stranded DNA is usually expanded to double-stranded in infected cells. DNA viruses are relatively rare in plants.
16 lip 2019 · A network of shared genes between plant viruses and other viruses. In the network, virus genera are represented with nodes of different sizes depending on the number of sequences in the...
