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The genome of sobemoviruses exemplified by Sesbania mosaic virus. Solemoviruses have a positive-sense, single-strand RNA genome. The length of the genome is 4652 bp. The 3' terminus does not have a polyA-tail. The 5' terminus has a genome-linked viral protein (VPg).
A mosaic virus is any virus that causes infected plant foliage to have a mottled appearance. Such viruses come from a variety of unrelated lineages and consequently there is no taxon that unites all mosaic viruses.
After tobacco mosaic was recognized as a virus disease, virus infections of many other plants were discovered. [34] The importance of tobacco mosaic virus in the history of viruses cannot be overstated. It was the first virus to be discovered, and the first to be crystallised and its structure shown in detail.
Adolf Eduard Mayer (9 August 1843 – 25 December 1942) was a German agricultural biologist whose work on tobacco mosaic disease played an important role in the discovery of tobacco mosaic virus and viruses in general. Mayer was born in 1843 into the family of a high school teacher in Oldenburg.
Potato virus Y causes significant reductions in yield and quality for pepper, potato, tobacco, and tomato, and Plum pox virus is the most important virus among stone fruit crops. Brome mosaic virus, while not causing significant economic losses, is found throughout much of the world and primarily infects grasses, including cereals. [22] [31]
The divergence and spread of sobemoviruses – southern bean mosaic virus – date from this time. [11] The spread of the potyviruses of potatoes, and other fruits and vegetables, began about 6,600 years ago. [10] About 10,000 years ago the humans who inhabited the lands around the Mediterranean basin began to domesticate wild animals.
Martinus Beijerinck (1851–1931), a Dutch microbiologist and botanist, first used the term when studying the tobacco mosaic virus, becoming convinced that the virus had a liquid nature. [ 1 ] The word "virus", from the Latin for "poison", was originally used to refer to any infectious agent, and gradually became used to refer to infectious ...
Lettuce mosaic virus is a very common and economically important viral disease that affects lettuce worldwide. The virus spread due to an increased exchange of seeds of various lettuce varieties between countries. [3] It was first recorded in 1921 in lettuce crops in Florida. [1] Since then it has been found in most of the world's major lettuce ...