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Last Updated: May 1, 2024

Claims for Patent: 10,004,237


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Summary for Patent: 10,004,237
Title:Inhibiting or reducing fungal growth
Abstract: Provided are methods and compositions for inhibiting or reducing fungal growth. The methods comprise exposing a location to a composition comprising one or more enzymes, one or more bacteria, and/or an enzymatic extract, wherein the one or more enzymes, one or more bacteria, and/or the enzymatic extract isolated from one or more bacteria are exposed to location in a quantity sufficient to inhibit or reduce fungal growth.
Inventor(s): Pierce; George E. (Canton, GA), Crow; Sidney (Smyrna, GA)
Assignee: Georgia State University Research Foundation, Inc. (Atlanta, GA)
Application Number:14/773,867
Patent Claims:1. A method for inhibiting or reducing fungal growth at a location containing a fungus or susceptible to fungal growth, comprising placing a composition comprising one or more bacteria in the proximity of, but not directly on, the location, wherein the one or more bacteria are selected from the group consisting of Rhodococcus rhodochrous DAP 96253, Rhodococcus rhodochrous DAP 96622, Rhodococcus erythropolis, and combinations thereof, wherein the location does not comprise a plant or plant part, and wherein the one or more bacteria are provided in a quantity sufficient to inhibit or reduce fungal growth at the location.

2. The method of claim 1, wherein the one or more bacteria are induced to produce one or more enzymes selected from the group consisting of nitrile hydratases, amidases, asparaginases, ACC deaminases, cyanoalanine synthase-like enzymes, monooxygenases, dioxygenases, cyanidases, and combinations thereof.

3. The method of claim 2, wherein the composition further comprises the one or more enzymes produced by the one or more bacteria.

4. The method of claim 1, wherein the composition further comprises an inducing agent selected from the group consisting of urea, methyl carbamate, methacrylamide, acetamide, cobalt, asparagine or asparagine derivative, and combinations thereof.

5. The method of claim 1, wherein the composition further comprises a stabilizing agent.

6. The method of claim 5, wherein the stabilizing agent is trehalose.

7. The method of claim 1, wherein the one or more bacteria are fixed with glutaraldehyde and cross-linked.

8. The method of claim 1, wherein the one or more bacteria are provided in a coating layer.

9. The method of claim 8, wherein the coating layer is selected from a hydrophobic fatty acid polyester coating or a wax.

10. The method of claim 1, wherein the composition further comprises a magnetic material.

11. The method of claim 1, wherein the location is an inanimate object or material.

12. The method of claim 11, wherein the inanimate object or material is selected from the group consisting of a counter top, cardboard box, an inorganic surface, paper wrapping, wallboard, wood, medical device, and surgical dressing.

13. The method of claim 1, wherein the location is a grain silo.

14. The method of claim 1, wherein the fungal growth is produced by a fungus selected from the group consisting of mold, yeast, mildew, fungi that cause smut, fungi that cause rust, fungi that cause diseases of plants, and fungi that cause diseases of animals.

15. The method of claim 14, wherein the fungus is selected from the group consisting of Trichoderma sp., Aspergillus niger, Aspergillus flavus, Aspergillus fumigatis, Alternaria alternata, Epicoccum nigrum, Pichia pastoris, Geomyces destructans, Geomyces asperulatus, and Geomyces pannorum.

16. The method of claim 1, wherein the composition is provided in liquid form.

17. The method of claim 16, wherein the composition further comprises a liquid carrier.

18. The method of claim 17, wherein the liquid carrier is selected from the group consisting of an aromatic hydrocarbon, a substituted naphthalene, a phthalic acid ester, an aliphatic hydrocarbon, an alcohol, and a glycol.

19. The method of claim 1, wherein the composition is provided as a solid and the solid is applied at or near the location.

20. The method of claim 19, wherein the composition further comprises a solid carrier.

21. The method of claim 20, wherein the solid carrier is selected from the group consisting of a dust, a wettable powder, a water dispersible granule, and a mineral filler.

22. The method of claim 21, wherein the mineral filler is selected from the group consisting of calcites, silicas, talcs, kaolins, montmorillonites, attapulgites, and mixtures thereof.

23. The method of claim 1, wherein the composition further comprises one or more exogenous enzymes, wherein the one or more exogenous enzymes are provided in a quantity sufficient to inhibit or reduce fungal growth at the location.

24. The method of claim 23, wherein the one or more exogenous enzymes are selected from the group consisting of nitrile hydratase, amidase, asparaginase, ACC deaminase, cyanoalanine synthase-like enzyme, alkane monooxygenase, ammonium monooxygenase, methane monooxygenase, toluene dioxygenase, cyanidase, and combination thereof.

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