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Trends Plant Sci. 2004 Feb;9(2):60-1.

Pathogen-induced systemic DNA rearrangement in plants.

Author information

1
DCMB Group, Duke University, Durham, NC 27708, USA. xdong@duke.edu

Abstract

Infection of tobacco plants with tobacco mosaic virus and oilseed rape mosaic virus was shown to induce a threefold increase in homologous DNA recombination in non-infected tissues. Grafting experiments by Igor Kovalchuk et al. demonstrated that this increase was mediated by a systemic recombination signal that traveled ahead of the virus. A similar increase in DNA recombination was also observed in the progeny of the infected plants, indicating that pathogen-induced recombination can lead to heritable adaptations to environmental stresses.

PMID:
15106587
DOI:
10.1016/j.tplants.2003.12.002
[Indexed for MEDLINE]

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