tobacco mosaic virus

…of the most well-studied viruses, tobacco mosaic virus (TMV), is spread mechanically by abrasion with infected sap. Symptoms of virus infection include colour changes, dwarfing, and tissue distortion. The appearance of streaks of colour in certain tulips is caused by virus.

…study of mosaic disease in tobacco, first detailed many of the characteristics of the organisms that came to be known as viruses. Although he is generally credited as the discoverer of viruses, they were also independently discovered and named by the Dutch botanist M.W. Beijerinck only a few years later.

…to be a virus) of tobacco mosaic disease could pass through a porcelain filter impermeable to bacteria. Modern virology began when two bacteriologists, Frederick William Twort in 1915 and Félix d’Hérelle in 1917, independently discovered the existence of bacteriophages (viruses that infect bacteria).

…by an agent, later called tobacco mosaic virus, passing through a minute filter that would not allow the passage of bacteria. This virus and those subsequently isolated would not grow on an artificial medium and were not visible under the light microscope. In independent studies in 1915 by the British…

…helical rod-shaped virus is the tobacco mosaic virus, which was crystallized by Wendell Stanley in 1935. The tobacco mosaic virus contains a genome of single-stranded RNA encased by 2,130 molecules of a single protein; there are 161/3 protein molecules for each turn of the RNA helix in the…

…black root rot, Fusarium wilt, tobacco mosaic virus (TMV), bacterial leaf spot, downy mildew, black shank, broomrape, and witchweed. These may be controlled by sanitation, crop rotation, the use of fungicide and herbicide sprays and fumigants, and breeding of disease-resistant strains. Some resistant