Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1989-10-31
1992-02-04
Weimar, Elizabeth C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
935 6, 935 33, 935 35, 935 59, 4351723, 4353201, C12N 1511, C12N 1582
Patent
active
050861697
ABSTRACT:
The nucleotide sequence of the promoter region from pollen-specific genes of corn is disclosed. The sequence consists of at least 1315 base pairs upstream from a region of DNA which hybridizes to mRNA found only in pollen. In addition, a sequence of DNA containing over 500 base pairs downstream from the transcribed region has also been cloned and sequenced. The sequenced regions can be used to introduce into plants genes, the expression of which in pollen is desired. A suicide gene can be added to the 3' end of the promoter to induce abortion of pollen development and thereby product male sterile plants. Other genes coding for insect toxins or nutritional proteins can be expressed in pollen by use of the pollen-specific promoter.
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Benzion Gary
The Research Foundation of State University of New York
Weimar Elizabeth C.
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