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J. Bacteriol., 02 1996, 1207-1212, Vol 178, No. 4
Copyright © 1996, American Society for Microbiology

VirE1 protein mediates export of the single-stranded DNA-binding protein VirE2 from Agrobacterium tumefaciens into plant cells

C Sundberg, L Meek, K Carroll, A Das and W Ream
Program in Molecular Biology, Oregon State University, Corvallis 97331, USA.

Agrobacterium tumefaciens transfers single-stranded DNAs (T strands) into plant cells. VirE1 and VirE2, which is a single-stranded DNA binding protein, are important for tumorigenesis. We show that T strands and VirE2 can enter plant cells independently and that export of VirE2, but not of T strands, depends on VirE1.


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