Proposal for Rejection of Agrobacterium tumefaciens and Revised Descriptions for the Genus Agrobacterium and for Agrobacterium radiobacter and Agrobacterium rhizogenes
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چکیده
منابع مشابه
The Oncogenes of Agrobacterium Tumefaciens and Agrobacterium Rhizogenes
The common soil bacteria Agrobacterium tumefaciens and Agrobacterium rhizogenes are unique genetic pathogens capable of fundamentally redirecting plant metabolism in order to generate macroscopic tissue masses (crown galls and hairy roots, respectively) which support the growth of large populations of Agrobacteria. Central to pathogenesis is the horizontal transfer of a suite of oncogenes from ...
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Agrobacterium tumefaciens and Agrobacterium rhizogenes transfer plasmid-encoded genes and virulence (Vir) proteins into plant cells. The transferred DNA (T-DNA) is stably inherited and expressed in plant cells, causing crown gall or hairy root disease. DNA transfer from A. tumefaciens into plant cells resembles plasmid conjugation; single-stranded DNA (ssDNA) is exported from the bacteria via a...
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1) Dipartimento di Scienze e Tecnologie Agroambientali, Area Patologia Vegetale, Alma Mater Studiorum Universitá di Bologna, Bologna, Italy 2) University of Pécs, Department of Genetics and Molecular Biology, Pécs, Hungary 3) Institut de Biologie Moléculaire des Plantes, Strasbourg, France 4) Cornell University, Department of Plant Pathology, Geneva, USA 5) Research Institute for Viticulture an...
متن کاملMurine toxicit of Agrobacterium tumefaciens.
Eleven strains of the crown gall organism, Agrobacterium tumefaciens, tested by intraperitoneal injection into mice, were lethal within 48 hr. Five other species had some lethal strains. The lethal effect of A. tumefaciens appeared to be the result of a toxic rather than an infectious process, since histopathological anomalies were not found in mice injected with live cultures and since heat-ki...
متن کاملSome external agents, including wound tumor virus, Agrobacterium tumefaciens and Agrobacterium rhizogenes, could initiate tumors on plants
The effect of exogenous auxin and cytokinin on cell proliferation and differentiation varies with the tissue system, and depends on the endogenous levels of the two hormones in the tissue. In this report, cytokinin (N-benzyladenine, BA) and auxin (indole-3-acetic acid, IAA) were used to treat young seedlings, leaf explants, and genetic tumors of a Nicotiana hybrid. Exogenous BA markedly acceler...
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ژورنال
عنوان ژورنال: International Journal of Systematic Bacteriology
سال: 1993
ISSN: 0020-7713,1465-2102
DOI: 10.1099/00207713-43-4-694