Antimicrobial Peptides Modulate Insect Microbiota to Reduce Vector Fitness
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Solution Overview
Problem
Current methods are inadequate in effectively controlling the spread of vector-borne diseases transmitted by insects such as mosquitoes, ticks, and fleas, as they do not sufficiently address the modulation of insect fitness to reduce disease transmission.
Innovation Solution
Development of compositions and methods involving antimicrobial peptides with high sequence identity to cecropin, melittin, and other peptides, which are delivered to insects to alter the metabolism or activity of microorganisms within the hosts, thereby decreasing the fitness of vector insects and reducing disease transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current methods are used to control vector-borne diseases, then disease transmission continues at high levels, but the use of ineffective control methods fails to reduce insect fitness sufficiently
Solution Approach 1:
The patent changes the parameter of microbial activity within the vector by introducing antimicrobial peptides that specifically alter the metabolism and activity of microorganisms resident in the insect host, thereby modulating insect fitness and reducing disease transmission capability
Solution Approach 2:
The patent uses antimicrobial peptides as intermediary substances that mediate between the control system and the vector insect. These peptides act as mediators that alter microbial activity within the insect, indirectly affecting disease transmission without directly targeting the insect or pathogen
2Reliability
If antimicrobial peptides are delivered to alter microorganism metabolism in vectors, then vector fitness decreases and disease transmission reduces, but the complexity of peptide delivery systems increases
Solution Approach 1:
The patent enables the delivery system to utilize existing insect behaviors and physiological processes. The antimicrobial peptides are delivered through insect comestible compositions that insects ingest naturally during feeding, allowing the system to leverage the insect's own feeding behavior rather than requiring complex external delivery mechanisms
Solution Approach 2:
The patent develops peptide formulations that can be delivered through multiple routes and in various forms (liquid, solid, aerosol, paste, gel, or gas compositions). This multi-functional approach allows the same active ingredient to be delivered through different mechanisms depending on the specific application context, reducing the need for multiple specialized delivery systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The use of antimicrobial peptides effectively decreases the fitness of vector insects, leading to reduced transmission of vector-borne diseases by altering the metabolism or activity of microorganisms within the hosts, thereby enhancing control over the spread of diseases like dengue, malaria, and trypanosomiasis.
Implementation Method 1
an agent that alters a level, activity, or metabolism of one or more microorganisms resident in a host, the alteration resulting in a modulation in the host's fitness
Data Source
AI summary
Provided herein are agents, compositions, and methods useful for animal health, e.g., for altering the level, activity, or metabolism of one or more microorganisms resident in a host insect (e.g., arthropod, e.g., insect, e.g., pathogen vector), the alteration resulting in a decrease in the fitness of the host. The invention features a composition that includes an agent (e.g., phage, peptide, small molecule, antibiotic, or combinations thereof) that can alter the host's microbiota in a manner that is detrimental to the host. By disrupting microbial levels, microbial activity, microbial metabolism, or microbial diversity, the agents described herein may be used to decrease the fitness of a variety of insects that carry vector-borne pathogens that cause disease in animals.