Tobacco Mosaic Virus, Tem #8
by Omikron
Title
Tobacco Mosaic Virus, Tem #8
Artist
Omikron
Medium
Photograph - Photograph
Description
Transmission electron micrograph (TEM) of the tobacco mosaic virus (TMV). Each virus consists of a protein coat with internal RNA genetic material. Some viruses are attached end-to-end. The virus enters a host cell in a tobacco plant and commandeers its DNA, instructing it to reproduce more TMV's. The effect of TMV infection varies from outright death of the host plant to severe lesions or mottling of the leaves. Plant viruses like TMV are transmitted by insects, pests and nematode worms. Magnification 220,000x.
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May 30th, 2013
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