Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...
Reexamination Certificate
2004-01-26
2010-02-23
Raghu, Ganapathirama (Department: 1652)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Recombinant dna technique included in method of making a...
C435S069400, C435S069100, C435S069800, C435S069520, C435S069600, C435S419000, C435S468000, C536S023600, C536S023510, C536S023400, C800S288000, C800S278000, C800S306000, C800S310000, C800S312000, C800S314000, C800S320100, C800S287000
Reexamination Certificate
active
07666628
ABSTRACT:
The present invention relates to the use of a class of genes called oil body protein genes that have unique features. The discovery of these features allowed the invention of methods for the production of recombinant proteins wherein a protein of interest can be easily separated from other host cell components. The invention is further exemplified by methods for exploitation of the unique characteristics of the oil body proteins and oil body genes for expression of polypeptides of interest in many organisms, particularly plant seeds. Said polypeptides may include but are not limited to: seed storage proteins, enzymes, bioactive peptides, antibodies and the like. The invention can also be modified to recover recombinant polypeptides fused to oil body proteins from non-plant host cells. Additionally the invention provides a method of using recombinant proteins associated with seed oil bodies released during seed germination for expression of polypeptides that afford protection to seedlings from pathogens. Finally, the persistent association of oil body proteins with the oil body can be further utilized to develop a biological means to create novel immobilized enzymes useful for bioconversion of substrates.
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Moloney Maurice M.
Van Rooijen Gijs
Bereskin & Parr LLP
Gravelle Micheline
Raghu Ganapathirama
SemBioSys Genetics Inc.
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