Induction of Pseudoactinorhizae by the Plant Pathogen Agrobacterium rhizogenes | Zendy

R. Howard Berg | Zendy; Lixia Liu | Zendy; Jeffrey O. Dawson | Zendy; Michael A. Savka | Zendy; Stephen K. Farrand | Zendy

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Induction of Pseudoactinorhizae by the Plant Pathogen Agrobacterium rhizogenes

Author(s) -

R. Howard Berg,

Lixia Liu,

Jeffrey O. Dawson,

Michael A. Savka,

Stephen K. Farrand

Publication year - 1992

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.98.2.777

Subject(s) - agrobacterium , biology , botany , frankia , callus , rhizobiaceae , pathogen , strain (injury) , root nodule , transformation (genetics) , microbiology and biotechnology , gene , symbiosis , bacteria , genetics , anatomy

Infection of Elaeagnus angustifolia cotyledonary wounds by Agrobacterium rhizogenes strain NCPPB 2659 resulted in the formation of pseudoactinorhizae on roots differentiated from callus. These pseudoactinorhizal root nodules were anatomically indistinguishable from the actinorhizae induced by the plant's microsymbiont Frankia. This unusual hairy root phenotype provides support for the concept that the genetic program for actinorhiza morphogenesis resides in the plant's genome.

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