Pantoea agglomerans Bacterial Strains for Broad-Spectrum Insect Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current genetically modified crops resistant to insect pests only provide protection against a narrow range of economically important insects, and there is a need for environmentally friendly, selective, non-persistent, and biodegradable methods to control a broader range of insect pests in agriculture.
Innovation Solution
The use of Pantoea agglomerans strains, such as PMC3671E3-1, PMC3671E9-1, and PMCJ4082D4-1, which have insecticidal activity, and their derivatives, along with associated nucleic acid molecules and proteins, to produce compositions and methods for controlling a variety of insect pests, including Coleopteran, Hemipteran, and Lepidopteran species, through applications in plants, seeds, and soil.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If genetically modified crops produce pesticidal proteins from Bacillus strains, then insect resistance is enhanced, but the range of protected insect pests remains narrow
Solution Approach 1:
The patent applies universality by using Pantoea agglomerans as a multi-functional biocontrol agent that can protect against multiple insect orders (Lepidoptera, Coleoptera, Diptera, Hemiptera) simultaneously. The bacterial strain produces multiple pesticidal proteins with different modes of action, making it a universal solution for diverse pest management needs rather than targeting a single pest species.
Solution Approach 2:
The patent employs composite materials by combining Pantoea agglomerans bacteria with multiple pesticidal protein complexes (Cry, Cyt, and IPD toxins) in a single formulation. This composite approach integrates different toxic mechanisms against various insect types, creating a synergistic effect that broadens spectral coverage while maintaining reliable protection.
2Adaptability or versatility
If chemical pest control methods are used, then broad spectrum insect control is achieved, but environmental friendliness and biodegradability are compromised
Solution Approach 1:
The patent applies mechanics substitution by replacing chemical insecticide systems with a biological system based on Pantoea agglomerans bacteria. The bacterial cells themselves serve as the delivery mechanism for pesticidal proteins, eliminating the need for synthetic chemical formulations and their associated environmental persistence and toxicity issues.
Solution Approach 2:
The patent utilizes short-living biological objects (bacterial cells and their protein products) that naturally degrade in the environment. The Pantoea agglomerans bacteria and their pesticidal proteins are transient, breaking down after performing their pest control function, unlike persistent chemical insecticides that accumulate in the environment.
3Reliability
If single-mode pesticidal proteins are used in genetically modified crops, then resistance development by insects is delayed, but alternative biological control agents are needed
Solution Approach 1:
The patent merges multiple pesticidal protein modes of action (Cry toxins, Cyt toxins, and IPD toxins) into a single Pantoea agglomerans formulation. This consolidation achieves resistance management through multi-mode action while simplifying the control system to a single biocontrol agent rather than requiring multiple separate biological control products.
Data Source
AI summary
Biological strains, compositions, and methods of using the strains and compositions for reducing overall insect damage.