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Last Updated: April 19, 2024

Claims for Patent: 6,166,302


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Summary for Patent: 6,166,302
Title: Modified Bacillus thuringiensis gene for lepidopteran control in plants
Abstract:Synthetic DNA sequences which are optimized for expression in plants, particularly maize, and which encode a Bacillus thuringiensis protein that is toxic to specific insects are provided, along with methods for the engineering of any synthetic insecticidal gene in maize.
Inventor(s): Merlo; Donald J. (Carmel, IN), Folkerts; Otto (Carmel, IN)
Assignee: Dow AgroSciences LLC (Indianapolis, IN)
Application Number:08/729,601
Patent Claims:1. A plant optimized nucleotide sequence that encodes an insecticidal crystal protein (ICP), wherein the plant optimized nucleotide sequence is SEQ ID NO: 1.

2. A purified ICP gene having a nucleotide sequence according to SEQ ID NO:1.

3. The purified ICP gene according to claim 2, wherein the ICP gene is inserted into the vector pDAB 917 and has accession number NRRL B-30042.

4. A synthetic genetic construct that expresses in plant cells comprising in sequence 5' to 3':

a promoter sequence that initiates transcription in plant cells;

a translational enhancer sequence;

a plant optimized nucleotide gene sequence encoding an insecticidal crystal protein (ICP) wherein the gene sequence is SEQ ID NO: 1; and

a polyadenylation sequence,

wherein said promoter sequence, translational enhancer sequence, plant optimized nucleotide sequence and polyadenylation sequence are operably linked.

5. A synthetic gene construct according to claim 4, wherein the promoter is selected from the group consisting of inducible promoters, constitutive promoters, temporal-regulated promoters, developmentally-regulated promoters, tissue-preferred promoters, and tissue-specific promoters.

6. A synthetic genetic construct according to claim 4, wherein the promoter is CaMV 35S.

7. A synthetic genetic construct according to claim 4, wherein the translational enhancer sequence is a maize intron.

8. A synthetic genetic construct according to claim 7, wherein the maize intron is intron 1 or intron 6 of Adh1.S.

9. A trangenic maize plant wherein cells of the plant have been transformed with a plant optimized nucleotide sequence encoding an insecticidal crystal protein (ICP), wherein the plant optimized nucleotide sequence is SEQ ID NO:1.

10. A plant seed having in its genome an inheritable synthetic gene, wherein the synthetic gene comprises a plant optimized nucleotide sequence encoding an insecticidal crystal protein (ICP), wherein the plant optimized nucleotide sequence is SEQ ID NO: 1.

Details for Patent 6,166,302

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Merck Sharp & Dohme Corp. INTRON A interferon alfa-2b For Injection 103132 06/04/1986 ⤷  Try a Trial 2015-10-13
Merck Sharp & Dohme Corp. INTRON A interferon alfa-2b For Injection 103132 ⤷  Try a Trial 2015-10-13
Merck Sharp & Dohme Corp. INTRON A interferon alfa-2b Injection 103132 ⤷  Try a Trial 2015-10-13
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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