chapter  7
Molecular Biology of Plant Virus Movement
ByAyala L. N. Rao, Yoon Gi Choi
Pages 18

One of the most important prerequisites for a plant virus to establish an infection is its ability to enter and be successfully transported from the point of entry to other parts of a given host plant. The cell wall is a formidable harrier to a plant virus. Not only does this rigid component offer structural integrity to a plant, it is one of the first lines of defense against a viral infection.