Function-Based Probes for Microbial Functional Analysis

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Solution Overview

Problem

Current techniques for characterizing microbial communities in environmental microbiomes primarily focus on genome or transcriptome analysis, failing to distinguish between microbes based on their functional capabilities, such as cellulose degradation, chitin degradation, or toxin detection, which is essential for understanding metabolic activities and processes like biofuel production and bioremediation.

Innovation Solution

Development of function-based probes that selectively label and identify analytes, such as proteins and enzymes, in environmental samples based on specific functional activities, allowing for the enrichment and characterization of microbes with desired metabolic functions, including the use of probes with structures according to Formula VIII and kits comprising a substrate modified with functional groups for covalent binding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If genome or transcriptome analysis is used to characterize microbial communities, then genetic information can be obtained, but functional capabilities of microbes cannot be distinguished

Engineering Contradiction:
Improvefunctional informationVSAvoidfunctional characterization precision
Core Design Contradiction:
Loss of informationVSMeasurement precision

Solution Approach 1:

The patent uses probe molecules as intermediaries that specifically bind to target analytes (enzymes, toxins, metabolites) in microbial communities. These probes carry detectable labels that enable identification and sorting of microbes based on their actual functional activities rather than genetic content alone.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs fluorescently labeled probes that emit detectable signals when bound to target analytes. This allows visual and instrumental detection of specific functional activities in microbial communities, enabling differentiation based on functional capabilities through fluorescence detection.

Inventive Principle:
Principle #32Color changes

2Ease of operation

If FISH techniques are used for sorting microbes based on gene content, then genetic labeling is achieved, but sorting based on function is not possible

Engineering Contradiction:
Improvesorting capabilityVSAvoidfunctional sorting capability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent develops a universal probe-based platform that can detect and sort microbes based on multiple different functional activities (cellulose degradation, chitin degradation, toxin detection, etc.). The same basic probe technology can be adapted to target various different analytes, providing multi-functional sorting capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent changes the detection parameter from genetic content (DNA/RNA) to functional activity by using probes that bind to active enzymes, toxins, or metabolites. This parameter change enables sorting based on actual functional capabilities rather than genetic potential.

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If probes are used to label analytes based on function, then functional identification is achieved, but the complexity of probe design and application increases

Engineering Contradiction:
Improvefunctional identification precisionVSAvoidprobe system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent segments the probe system into distinct functional components: the probe molecule itself, the detectable label, and the target analyte. This segmentation allows for modular design and application, where different probes can be developed for different targets while using common detection methodologies.

Inventive Principle:
Principle #1Segmentation

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

Enables the identification and characterization of functional microbes and enzymes, facilitating the understanding and manipulation of microbial communities for improved metabolic outputs, such as biofuel production and bioremediation, by distinguishing between microbes based on their actual functions rather than genetic content.

Implementation Method 1

the substrate comprises a surface modified with a functional group configured to covalently bind with the anchor group of the probe

Methodology Applied
Scientific EffectCovalent binding: Chemical Bonding

Implementation Method 2

exposing the sample to an energy source to promote formation of the probe-analyte conjugate

Methodology Applied
Scientific EffectPhotoactivation: Photopolymerisation

Implementation Method 3

exposing the sample to a reagent comprising a detectable moiety configured to covalently bind with a pTag group of the probe

Methodology Applied
Scientific EffectCovalent binding: Chemical Bonding

Data Source

PatentEP3681896B1Function-based probes for environmental microbiome analysis and methods of making and using the same
Publication Date: 2022.11.09 BATTELLE MEMORIAL INST
  • EP3681896B1 patent drawingFigure 1~2
  • EP3681896B1 patent drawingFigure 3~4
  • EP3681896B1 patent drawingFigure 5~6

AI summary

Probe embodiments for identifying analytes involved in biofuel or bioenergy production, bioremediation, or nutrient cycling as well as methods of making and use are described herein. In some embodiments, probes identifying cellulose degradation and/or sugar transport, lignin or chitin degradation, or peptide or toxin metabolism are included. In some embodiments, probes for identifying analytes in a soil sample are included in the compositions and methods disclosed herein.