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DPVweb is an aid to researchers in the field of plant virology as well as an educational resource for students of virology and molecular biology.. The site provides a single point of access for all known plant virus genome sequences making it easy to collect these sequences together for further analysis and comparison.
Plant viruses can be pathogenic to vascular plants ("higher plants"). Most plant viruses are rod-shaped, with protein discs forming a tube surrounding the viral genome; isometric particles are another common structure. They rarely have an envelope. The great majority have an RNA genome, which is usually small and single stranded (ss), but some ...
Genome sizes and corresponding composition of six major model organisms as pie charts. The increase in genome size correlates with the vast expansion of noncoding (i.e., intronic, intergenic, and interspersed repeat sequences) and repeat DNA (e.g., satellite, LINEs, short interspersed nuclear element (SINEs), DNA (Alu sequence), in red) sequences in more complex multicellular organisms.
Geminiviridae is a family of plant viruses that encode their genetic information on a circular genome of single-stranded (ss) DNA. There are 522 species in this family, assigned to 15 genera. There are 522 species in this family, assigned to 15 genera.
Nanoviridae is a family of viruses. [1] Plants serve as natural hosts. There are currently 12 species in this family, divided among 2 genera and one unassigned species. [ 2 ]
genome size of 316 Mb, a scaffold N50 of 31.93 Mb, and a contig N50 of 8.96 Mb Ammopiptanthus nanus: Fabaceae: Only genus of evergreen broadleaf shrub 889 Mb 37,188 2018 [92] Cajanus cajan (Pigeon pea) var. Asha: Fabaceae: Model legume: 2012 [93] [94] Arachis duranensis (A genome diploid wild peanut) accession V14167: Fabaceae
The virus exits the host cell by budding, and tubule-guided viral movement. Transmission routes are zoonosis and bite. [5] [2] Replication of many rhabdoviruses occurs in the cytoplasm, although several of the plant infecting viruses replicate in the nucleus. [15]
Baltimore classification groups viruses together based on their manner of mRNA synthesis. Characteristics directly related to this include whether the genome is made of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA), the strandedness of the genome, which can be either single- or double-stranded, and the sense of a single-stranded genome, which is either positive or negative.