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Plant virus transmission strategies in insect vectors. Plant viruses need to be transmitted by a vector, most often insects such as leafhoppers. One class of viruses, the Rhabdoviridae, has been proposed to actually be insect viruses that have evolved to replicate in plants. The chosen insect vector of a plant virus will often be the ...
Plant cells do not possess receptors like animal cells that would allow the virus to enter and since plant cells are thick, viruses achieve entry as aforementioned. Once inside the plant, the virus spreads using plasmodesmata, a membrane channel found in plants connecting one plant cell to another. Caulimoviruses are para-retroviruses with a ...
Passion fruit woodiness virus (PWV) is a plant pathogenic virus [2] in the genus Potyvirus and the virus family Potyviridae. Like other members of the genus Potyvirus, PWV is a monopartite strand of positive-sense, single-stranded RNA surrounded by a capsid made for a single viral encoded protein. The virus is a filamentous particle that ...
Caulimoviridae is a family of viruses infecting plants. [1] There are 94 species in this family, assigned to 11 genera. [2] [3] Viruses belonging to the family Caulimoviridae are termed double-stranded DNA (dsDNA) reverse-transcribing viruses (or pararetroviruses) i.e. viruses that contain a reverse transcription stage in their replication cycle.
Aphid species Myzus persicae. The cauliflower mosaic virus (CaMV) is a member of the family Caulimoviridae.This family is grouped together with the Belpaoviridae, Metaviridae, Pseudoviridae, and Retroviridae (all of which instead have an RNA genome replicated via a DNA intermediate) in the order Ortervirales; the Hepadnaviridae, despite having a DNA genome replicated via an RNA intermediate ...
Begomovirus is a genus of viruses, in the family Geminiviridae. [1] They are plant viruses that as a group have a very wide host range, infecting dicotyledonous plants. . Worldwide they are responsible for a considerable amount of economic damage to many important crops such as tomatoes, beans, squash, cassava and c
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The virus exits the host cell by tubule-guided viral movement. Plants serve as the natural host. Transmission routes are mechanical, seed borne, and contact. [1] [7] Viruses in this family are primarily soil-borne, some transmitted by fungal species of the order Chytridiales, others by no known vector. Virions may spread by water, root growth ...