Modular Synthetic Plant Regulatory Elements for Gene Expression
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Solution Overview
Problem
Existing technologies lack efficient and versatile regulatory elements for modulating gene expression in plants, limiting the ability to engineer desired phenotypes and traits.
Innovation Solution
Development of novel synthetic gene regulatory elements, including promoters, leaders, introns, and 3' untranslated regions, which are operably linked to heterologous transcribable DNA molecules, enabling precise control over gene expression in transgenic plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing regulatory elements are used in plants, then gene expression can be modulated, but the efficiency and versatility of regulation is insufficient
Solution Approach 1:
The synthetic regulatory elements are designed to function across multiple plant species and gene types, providing universal applicability. The elements can regulate both endogenous and heterologous genes, and can be used for diverse traits including herbicide resistance, insect resistance, and yield improvement, thereby achieving multi-functionality in gene expression modulation.
Solution Approach 2:
The patent employs synthetic regulatory elements with optimized sequence parameters and structural features that enhance their binding affinity to transcription factors and RNA polymerase. By modifying parameters such as promoter strength, intron positioning, and 3' UTR sequences, the elements achieve superior regulation efficiency compared to natural elements.
2Manufacturing precision
If regulatory elements are operably linked to heterologous transcribable DNA molecules, then precise control over gene expression is enabled, but the complexity of the genetic construct increases
Solution Approach 1:
The regulatory elements are divided into distinct functional modules including promoters, 5' UTRs, introns, coding sequences, and 3' UTRs. Each module can be independently optimized and assembled, allowing precise control of gene expression while simplifying the design and construction of complex genetic traits through modular assembly.
3Productivity
If novel synthetic regulatory elements are developed, then enhanced regulation of gene expression is achieved, but the difficulty of detecting and measuring their activity increases
Solution Approach 1:
The patent incorporates reporter genes such as GFP, luciferase, or GUS as intermediary markers linked to the synthetic regulatory elements. These reporters provide easily detectable signals that correlate with the activity of the regulatory elements, enabling straightforward measurement and characterization of gene expression patterns without directly assaying the synthetic elements themselves.
Data Source
AI summary
The invention provides recombinant DNA molecules and constructs, as well as their nucleotide sequences, useful for modulating gene expression in plants. The invention also provides transgenic plants, plant cells, plant parts, and seeds comprising the recombinant DNA molecules operably linked to heterologous transcribable DNA molecules, as are methods of their use.