US 6,852,317 B2 · Metabolite from streptomyces strain NRRL accession No. B-30145 and mutants thereof for controlling plant diseases

Abstract

A novel antibiotic-producing Streptomyces sp. is provided that exhibits antifungal activity only on certain specific plant pathogens. Also provided is a method of treating or protecting plants from fungal infections comprising applying an effective amount of an antibiotic-producing Streptomyces sp. having all the identifying characteristics of NRRL Accession number B-30145. The invention also relates to fungicidal compositions comprising this novel Streptomyces strain and the antibiotics and metabolites produced by this strain either alone, or in combination with other chemical and biological pesticides.

Claims25

Dependent claims

A composition comprising at least one isolated metabolite produced by a biologically pure Streptomyces sp. strain selected from a Streptomyces sp. strain having all the identifying characteristics of the strain deposited with NRRL with Accession No. B-30145;

and mutants of the strain deposited with NRRL with Accession No. B-30145, wherein the mutants have all the identifying characteristics of NRRL No. B-30145;
and wherein the metabolite exhibits activity against plant pathogenic fungi, shows UV absorption between about 215 nm and about 220 nm and is not aromatic.

Dependencies are inferred from the claim text.

Facts

Application

09/966,982Filed 27 Sep 2001 · continuation in part

Priority

27 Sep 2000

Published

US 2003/0031741 A113 Feb 2003

Granted

8 Feb 2005

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

C12N 1/205
Bacteria; Culture media therefor: bacterial isolates
A01N 61/00
Biocides, pest repellants or attractants, or plant growth regulators containing substances of
A01N 63/28
Bacteria; Substances produced thereby or obtained therefrom: streptomyces
C12P 1/04
Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes: by using bacteria

Metabolite from streptomyces strain NRRL accession No. B-30145 and mutants thereof for controlling plant diseases

Life of this patent

Metabolite from streptomyces strain NRRL accession No. B-30145 and mutants thereof for controlling plant diseases

Life of this patent

Abstract

Claims25