Plasmids for plant transformation and method for using the same

Chemistry: molecular biology and microbiology – Vector – per se

Reexamination Certificate

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Reexamination Certificate

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07029908

ABSTRACT:
The invention provides novel Ti-plasmid vectors forAgrobacterium-medicated plant cell transformation. Plamsids of the invention are constructed with a DNA sequence (ie., a negative selectable maker or a DNA sequence that inhibits DNA unwinding) flanking the T-DNA bordered gene of interest that reduces or eliminates the occurrence of transformants with vector read-through DNA sequence. The invention also provides methods of plant cell transformation utilizing these novel vectors.

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Ramanathan, V. and Veluthambi, K. ,“Transfer of non-T-DNA portions of theAgrobacterium tumefaciensTi plasmid pTiA6 from the left terminus of TL-DNA.” 1995, Plant Molecular Biology, vol. 28, pp. 1149-1154
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