Gene Assembly via Oligonucleotide Pool Hybridization
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Solution Overview
Problem
Current gene assembly methods, such as gSynth and Addamer-based methods, face limitations in throughput and require intermediate amplification and processing, which can be inefficient and error-prone.
Innovation Solution
The use of high-throughput oligonucleotide synthesis methods, including array-based synthesis, to generate materials for gSynth and Addamer-based DNA synthesis, combining these technologies to achieve high-fidelity and efficient gene assembly by pooling nucleic acid molecules to form hybridized complexes that are then ligated into double-stranded structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-throughput oligonucleotide synthesis methods are used to generate materials for gSynth and Addamer-based DNA synthesis, then throughput is improved, but intermediate amplification and processing steps are required which reduce efficiency and increase error rates
Solution Approach 1:
The patent extracts and eliminates the intermediate amplification and processing steps from the gene assembly workflow. By designing oligonucleotide pools that can be directly assembled into double-stranded DNA structures without requiring PCR amplification or other intermediate processing, the method removes the error-prone steps while maintaining high throughput capability through array-based synthesis.
Solution Approach 2:
The patent introduces a specialized intermediary structure - the Addamer - which serves as a pre-assembled double-stranded DNA construct containing the payload sequence flanked by hairpin structures. This intermediary can be directly synthesized from oligonucleotide pools and assembled into final gene products without requiring traditional amplification steps, thereby maintaining fidelity while enabling high throughput.
2Quantity of substance
If intermediate amplification is performed to produce materials for gSynth methods, then sufficient material quantity is achieved, but time is lost and errors are introduced
Solution Approach 1:
The patent performs preliminary action by pre-assembling double-stranded DNA constructs (Addamers) with appropriate control elements and payload sequences before final gene assembly. These pre-assembled structures contain all necessary elements for subsequent cloning and expression, eliminating the need for time-consuming intermediate amplification steps while ensuring sufficient material quantity is available for downstream applications.
Solution Approach 2:
The patent merges the synthesis of multiple DNA elements (payload sequences, hairpin structures, control elements) into a single integrated Addamer construct. This consolidation allows all necessary components to be produced simultaneously from oligonucleotide pools without requiring separate amplification steps for each element, thereby reducing time loss while maintaining adequate material quantity.
3Reliability
If traditional double-stranded DNA assembly methods are used, then high fidelity is achieved, but productivity is reduced due to multiple processing steps
Solution Approach 1:
The patent creates a universal Addamer platform that can accommodate diverse payload sequences and control elements through a standardized structure. This multi-functional design allows different gene assembly projects to use the same core methodology and reagents, enabling high-fidelity assembly to be scaled across multiple applications simultaneously, thereby increasing overall productivity without sacrificing reliability.
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
This approach enhances the throughput and fidelity of gene assembly by eliminating the need for intermediate amplification, allowing for the efficient production of double-stranded DNA sequences with reduced errors and increased productivity.
Implementation Method 1
nucleic acid molecules from different pluralities within the set hybridize together to form at least one species of hybridized complex
Implementation Method 2
The hybridized complexes are then ligated into double-stranded structures
Data Source
AI summary
Disclosed herein are compositions and methods that utilize high-throughput oligonucleotide synthesis methods, including array-based oligonucleotide synthesis, to generate the materials needed for the gSynth and Addamer based DNA synthesis methods. Accordingly, disclosed here are compositions and methods that combine gSynth and Addamer technologies with high-throughput oligonucleotide synthesis to generate routine high-fidelity gene (target nucleic acid) synthesis.