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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
Bunyavirales is an order of segmented negative-strand RNA viruses with mainly tripartite genomes. Member viruses infect arthropods, plants, protozoans, and vertebrates. [2] It is the only order in the class Ellioviricetes. [1]
There is tenuous evidence that a virus common to peppers, the Pepper Mild Mottle Virus (PMMoV) may have moved on to infect humans. [9] This is a rare and unlikely event as, to enter a cell and replicate, a virus must "bind to a receptor on its surface, and a plant virus would be highly unlikely to recognize a receptor on a human cell.
Mastrevirus and curtovirus transmission is via various leafhopper species (e.g. maize streak virus and other African streak viruses are transmitted by Cicadulina mbila), the only known topocuvirus species, Tomato pseudo-curly top virus, is transmitted by the treehopper Micrutalis malleifera, and begomoviruses are transmitted by the whitefly ...
Electron micrograph of the bacterium Pelagibacter ubique. Pelagibacter ubique is one of the smallest known free-living bacteria, with a length of 370 to 890 nm (0.00037 to 0.00089 mm) and an average cell diameter of 120 to 200 nm (0.00012 to 0.00020 mm).
Influenza B virus is almost exclusively a human pathogen, and is less common than influenza A. The only other animal known to be susceptible to influenza B infection is the seal . [ 47 ] This type of influenza mutates at a rate 2–3 times lower than type A [ 48 ] and consequently is less genetically diverse, with only one influenza B serotype ...
Brome mosaic virus (BMV) is a small (28 nm, 86S), positive-stranded, icosahedral RNA plant virus belonging to the genus Bromovirus, family Bromoviridae, in the Alphavirus-like superfamily. BMV was first isolated in 1942 from bromegrass ( Bromus inermis ), [ 2 ] had its genomic organization determined by the 1970s, and was completely sequenced ...
Plum pox, also known as sharka, is the most devastating viral disease of stone fruit from the genus Prunus.The disease is caused by the plum pox virus (PPV), and the different strains may infect a variety of stone fruit species including peaches, apricots, plums, nectarine, almonds, and sweet and tart cherries.