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Int J Dev Biol. 2013;57(6-8):467-81. doi: 10.1387/ijdb.130199bl.

The roles of bacterial and host plant factors in Agrobacterium-mediated genetic transformation.

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1
Department of Biochemistry and Cell Biology, State University of New York, Stony Brook, NY, USA. benoit.lacroix@stonybrook.edu.

Abstract

The genetic transformation of plants mediated by Agrobacterium tumefaciens represents an essential tool for both fundamental and applied research in plant biology. For a successful infection, culminating in the integration of its transferred DNA (T-DNA) into the host genome, Agrobacterium relies on multiple interactions with host-plant factors. Extensive studies have unraveled many of such interactions at all major steps of the infection process: activation of the bacterial virulence genes, cell-cell contact and macromolecular translocation from Agrobacterium to host cell cytoplasm, intracellular transit of T-DNA and associated proteins (T-complex) to the host cell nucleus, disassembly of the T-complex, T-DNA integration, and expression of the transferred genes. During all these processes, Agrobacterium has evolved to control and even utilize several pathways of host-plant defense response. Studies of these Agrobacterium-host interactions substantially enhance our understanding of many fundamental cellular biological processes and allow improvements in the use of Agrobacterium as a gene transfer tool for biotechnology.

PMID:
24166430
DOI:
10.1387/ijdb.130199bl
[Indexed for MEDLINE]
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