Root specific gene promoter

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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Details

4352404, 4352523, 4353201, 800205, 935 35, 935 36, C07H 2104, C12N 1511, C12N 1529, A01H 500

Patent

active

054592526

ABSTRACT:
Disclosed is an isolated DNA molecule comprising a DNA promoter sequence, the RB7 promoter sequence, which is capable of directing root-specific transcription of a downstream structural gene in a plant cell. Also disclosed is a DNA construct comprising an expression cassette, which construct comprises, in the 5' to 3' direction, a promoter of the present invention and a structural gene such a gene coding for an insect toxin positioned downstream from the promoter and operatively associated therewith. Transformed plants, such as tobacco plants, which comprise transformed plant cells which contain a heterologous DNA construct comprising an expression cassette as described above are also disclosed.

REFERENCES:
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patent: 5229292 (1993-07-01), Stock et al.
Y. Yamamoto et al., J. Cell. Biochem. 13D (Supp.), 313 (1989).
Conkling et al 1990 (Jul.) Plant Physiol 93: 1203-1211.
Lerner et al 1989 Plant Physiol 91: 124-129.
Evans et al 1988 Mol. Gen. Genet. 214: 153-157.
Yamamoto et al 1991 The Plant Cell 3: 371-382.
Yamamoto et al 1990 Nucleic Acids Research 18: 7449.
Sanford 1988 Trends in Biotechnology 6: 299-302.
Yamamoto et al 1989 PhD Thesis, Genetics Dept., N.C. State Univerisity, Raleigh N.C.

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