Chemistry: molecular biology and microbiology – Plant cell or cell line – per se ; composition thereof;... – Plant cell or cell line – per se – contains exogenous or...
Reexamination Certificate
2003-06-20
2008-03-18
Collins, Cynthia (Department: 1638)
Chemistry: molecular biology and microbiology
Plant cell or cell line, per se ; composition thereof;...
Plant cell or cell line, per se, contains exogenous or...
C435S320100
Reexamination Certificate
active
07344885
ABSTRACT:
The present invention provides recombinant expression cassettes comprising a fungal 3′ termination sequence which is functional in a plant. The recombinant expression cassettes comprise a plant promoter operably linked to a coding sequence having a stop codon, and the fungal 3′ termination sequence. The fungal 3′ termination sequence is heterologous to the coding sequence. The fungal 3′ termination sequence comprises structural features including a cleavage site, a positioning element, and an upstream element. The present invention also comprises methods for construction of the plant expression cassettes and introducing the cassettes into plant cells.
REFERENCES:
Rothnie H.M et al. The contribution of AAUAAA and the upstream element UUUGUA to the efficiency of mRNA 3′-end formation in plants. EMBO J. May 1, 1994;13(9):2200-10.
Bertain Sean
McBride Kevin
Wilkinson Jack Q.
Collins Cynthia
Morgan & Finnegan , LLP
Pioneer Hi-Bred International , Inc.
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