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In Vitro Cellular & Developmental Biology - Plant

, Volume 37, Issue 6, pp 687–700 | Cite as

Use of ri-mediated transformation for production of transgenic plants

  • Mary C. Christey
Invited Review

Summary

Agrobacterium rhizogenes-mediated transformation has been used to obtain transgenic plants in 89 different taxa, representing 79 species from 55 genera and 27 families. A diverse range of dicotyledonous plant families is represented, including one Gymnosperm family. In addition to the Ri plasmid, over half these plants have been transformed with foreign genes, including agronomically useful traits. Plants regenerated from hairy roots often show altered plant morphology such as dwarfing, increased rooting, altered flowering, wrinkled leaves and/or increased branching due to rol gene expression. These altered phenotypic features can have potential applications for plant improvement especially in the horticultural industry where such morphological alterations may be desirable. Use of A. rhizogenes and rol gene transformation has tremendous potential for genetic manipulation of plants and has been of particular benefit for improvement of ornamental and woody plants.

Key words

Agrobacterium rhizogenes Ri phenotype rol genes hairy roots altered phenotype 

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© Society for In Vitro Biology 2001

Authors and Affiliations

  1. 1.Crop & Food ResearchChristchurchNew Zealand

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