Method for modifying plant morphology, biochemistry and...

Multicellular living organisms and unmodified parts thereof and – Plant – seedling – plant seed – or plant part – per se – Higher plant – seedling – plant seed – or plant part

Reexamination Certificate

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C800S278000, C800S290000, C800S287000

Reexamination Certificate

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07807879

ABSTRACT:
The present invention provides nucleotide sequences and corresponding amino acid sequences for plant cytokinin oxidase proteins. In addition, vectors, host cells, and transgenic plants comprising such sequences as well as methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism using such sequences are provided by the present invention. Also provided by the present invention are methods for altering various plant phenotypes including delaying onset to flowering, increasing leaf thickness, reducing vessel size, inducing parthenocarpy, increasing branching, increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight using cytokinin oxidase proteins and/or nucleic acid molecules encoding cytokinin oxidase.

REFERENCES:
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