IP Library › Granted Patent US 12,264,182
Granted Patent B2
US 12,264,182 · App. 17/671,011 · Granted Apr 1, 2025

Chimeric insecticidal proteins toxic or inhibitory to lepidopteran pests

Inventors: James A. Baum (Webster Groves, MO); Thomas A. Cerruti (Newton, MA); Crystal L. Dart (Norton, MA); Leigh H. English (Chesterfield, MO); Stanislaw Flasinski (Ballwin, MO); Xiaoran Fu (Belmont, MA); Victor M. Guzov (Cambridge, MA); Arlene R. Howe (Clarkson Valley/Chesterfield, MO); Jay P. Morgenstern (Boston, MA); James K. Roberts (Chesterfield, MO); Sara A. Salvador (Wildwood, MO); Jinling Wang (Belmont, MA)
Assignee: Monsanto Technology LLC
C07K14/325C12N15/8286C07K2319/00C12N15/62Y02A40/146
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Quick Facts
Patent No.
US 12,264,182
App. No.
17/671,011
Granted
Apr 1, 2025
Kind
B2
Abstract

Nucleotide sequences are disclosed that encode novel chimeric insecticidal proteins exhibiting Lepidopteran inhibitory activity. Particular embodiments provide compositions and transformed plants, plant parts, and seeds containing the recombinant nucleic acid molecules encoding one or more of the chimeric insecticidal proteins.

Claims (25)

1. A chimeric insecticidal protein comprising an amino acid sequence having at least 98% amino acid sequence identity to the amino acid sequence as set forth in SEQ ID NO: 16, wherein the chimeric insecticidal protein exhibits inhibitory activity against an insect species of the order Lepidoptera selected from the group consisting of Helicoverpa zea, Spodoptera eridania , and Chrysodeixis includens.

2. The chimeric insecticidal protein of claim 1 , wherein the chimeric insecticidal protein has at least 99% amino acid sequence identity to the amino acid sequence as set forth in SEQ ID NO:16.

3. A polynucleotide encoding the chimeric insecticidal protein of claim 1 , wherein the polynucleotide is operably linked to a heterologous promoter.

4. A polynucleotide encoding the chimeric insecticidal protein of claim 1 .

5. A host cell comprising the polynucleotide of claim 4 , wherein the host cell is selected from the group consisting of a bacterial host cell or a plant host cell.

6. The host cell of claim 5 , wherein the bacterial host cell is selected from the group consisting of Agrobacterium, Rhizobium, Bacillus, Brevibacillus, Escherichia, Pseudomonas, Klebsiella, and Erwinia ; and wherein the Bacillus species is a Bacillus cereus or a Bacillus thuringiensis, said Brevibacillus is a Brevibacillus laterosperous , and said Escherichia is an Escherichia coli.

7. The host cell of claim 5 , wherein the plant host cell is selected from the group of plants consisting of monocots and dicots.

8. An insect inhibitory composition comprising the chimeric insecticidal protein of claim 1 .

9. The insect inhibitory composition of claim 8 , further comprising at least one insect inhibitory agent different from the chimeric insecticidal protein.

10. The insect inhibitory composition of claim 9 , wherein the at least one insect inhibitory agent is selected from the group consisting of an insect inhibitory protein, an insect inhibitory dsRNA molecule, and an insect inhibitory chemistry.

11. The insect inhibitory composition of claim 9 , wherein the at least one insect inhibitory agent exhibits activity against one or more pest species of the orders Lepidoptera, Coleoptera, Hemiptera, Homoptera, or Thysanoptera.

12. A seed comprising an insect inhibitory effective amount of the chimeric insecticidal protein of claim 1 or comprising a polynucleotide encoding the chimeric insecticidal protein.

13. A method of controlling a Lepidopteran pest, the method comprising contacting the Lepidopteran pest with an inhibitory amount of the chimeric insecticidal protein of claim 1 .

14. A transgenic plant cell, plant or plant part comprising the chimeric insecticidal protein of claim 1 or comprising a polynucleotide encoding the chimeric insecticidal protein.

15. A method of controlling a Lepidopteran pest, comprising exposing the pest to the transgenic plant cell, plant or plant part of claim 14 , wherein said plant cell, plant or plant part expresses a Lepidopteran inhibitory amount of the chimeric insecticidal protein.

16. A commodity product derived from the plant cell, plant, or plant part of claim 14 , wherein the product comprises a detectable amount of the chimeric insecticidal protein.

17. The commodity product of claim 16 , wherein the product is selected from the group consisting of plant biomass, oil, meal, animal feed, flour, flakes, bran, lint, hulls, and processed seed.

18. A method of producing a seed comprising the chimeric insecticidal protein of claim 1 , the method comprising:

a. planting at least one seed comprising the chimeric insecticidal protein of claim 1 ;

b. growing plants from the seed; and

c. harvesting seed from the plants, wherein the harvested seed comprises the chimeric insecticidal protein of claim 1 .

19. A recombinant polynucleotide molecule, comprising:

(a) a polynucleotide encoding the chimeric insecticidal protein of claim 1 , and

(b) a polynucleotide encoding an insect inhibitory agent different from the chimeric insecticidal protein.

20. A chimeric insecticidal protein comprising the amino acid sequence as set forth in SEQ ID NO:16.

Continuity (5)
Continuation 16874186 · May 14, 2020
Continuation 15849012 · Dec 20, 2017
Continuation 14884469 · Oct 15, 2015
Provisional Application 62064989 · Oct 16, 2014
Related Publication 20220306703A1 · Sep 29, 2022
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