LsGRP1-Derived Antimicrobial Peptides for Microbial Control
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Solution Overview
Problem
Current antimicrobial technologies lack effective solutions for utilizing LsGRP1-derived peptides, which have potential antimicrobial activity but have not been explored for their application against microbial organisms.
Innovation Solution
Development of a method involving the application of LsGRP1N, LsGRP1G, LsGRP1C peptides or their derivatives with at least 90% sequence similarity, which exhibit antimicrobial activity by disrupting microbial membranes and inducing programmed cell death, and their incorporation into compositions for treating various microbial organisms, including bacteria and fungi.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If LsGRP1-derived peptides are applied to control microbial organisms, then broad-spectrum antimicrobial activity is achieved, but the mechanism of action and efficacy need further exploration and validation
Solution Approach 1:
The patent performs preliminary actions by synthesizing multiple LsGRP1-derived peptides (LsGRP1N, LsGRP1G, LsGRP1C) with specific sequences before conducting systematic antimicrobial activity tests. This preliminary preparation allows for subsequent validation of mechanism and efficacy across different microbial strains, resolving the contradiction between broad-spectrum activity and reliable validation.
2Object-affected harmful factors
If antimicrobial peptides are used to disrupt microbial membranes, then microbial growth is inhibited, but specificity of action against different microbial types must be ensured
Solution Approach 1:
The patent applies local quality by designing peptides with specific sequence characteristics (cysteine-rich, glycine-rich regions) that target specific microbial membrane structures. Different LsGRP1-derived peptides (LsGRP1N, LsGRP1G, LsGRP1C) have localized sequence variations that confer specificity against different microbial types while maintaining the general mechanism of membrane disruption.
3Reliability
If LsGRP1 peptides are developed for antimicrobial application, then potential therapeutic value is realized, but lack of explored application methods limits effectiveness
Solution Approach 1:
The patent segments the LsGRP1 protein into multiple derived peptides (LsGRP1N, LsGRP1G, LsGRP1C) with distinct sequences and potential applications. This segmentation allows for specialized development of each peptide variant for specific antimicrobial applications, making the overall therapeutic potential more manageable and effective than using the full-length protein.
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 peptides, particularly LsGRP1C, demonstrate significant antibacterial and antifungal activity, inhibiting growth and spore germination, altering membrane integrity, and inducing programmed cell death, offering a broad-spectrum antimicrobial solution.
Implementation Method 1
the antimicrobial efficacy of theses peptides is attributed to their ability to penetrate and disrupt the microbial membranes, thereby killing the microbe or inhibiting its growth
Implementation Method 2
induction of programmed cell death
Data Source
AI summary
The invention relates to a method of controlling or combating microbial organism by applying an antimicrobial peptide to the microbial organisms, wherein said antimicrobial peptide derived from Lilium ‘Stargazer’ glycine-rich protein 1. In addition, the present invention provides an antimicrobial composition comprising an antimicrobial peptide of the invention, an additional biocidal agent and pharmaceutically acceptable vehicles, excipients, diluents, and adjuvants.