X

Envelope (stolen from host cell)

Virus protein

B) POX VIRUS

Outer membrane

B) POX VIRUS

Outer membrane

DNA genome

Palisade

DNA genome

Palisade

Virion enzymes Core envelope

Strong promoters from cauliflower mosaic virus are used to express genes in the genetic engineering of plants.

RNA viruses have small genomes and very high mutation rates.

genetic engineering to express insect-killing toxins or other transgenes. Most plant viruses have RNA genomes, as will be discussed below.

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