Oil Bilayer Matrix for Plant Embryo Viability and Analysis
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Solution Overview
Problem
Conventional seed analysis methods fail to effectively maintain seed viability, obtain sufficient tissue without affecting viability, orient seeds for specific analysis, maintain throughput, reduce contamination, and track separate tissues during genetic, biochemical, or phenotypic analysis, leading to inefficiencies and resource pressures.
Innovation Solution
Methods for storing and treating plant embryos in an oil bilayer matrix, including antimicrobial agents and minimal growth media, to preserve viability and facilitate genetic analysis, chromosome doubling, Agrobacterium-mediated transformation, and herbicide selection, while using oil layers to support and separate plant tissues for efficient molecular analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional seed analysis methods are used to obtain tissue for analysis, then genetic/biochemical/phenotypic analysis can be performed, but seed viability is compromised and contamination increases
Solution Approach 1:
The invention extracts only the necessary embryonic tissue for analysis while leaving the majority of the seed intact and viable. Embryos are isolated from seeds using minimal invasive procedures, allowing DNA extraction and molecular analysis without compromising the remaining seed's ability to germinate and grow.
Solution Approach 2:
The invention introduces an intermediary containment system consisting of microcentrifuge tubes, oil matrices, and storage systems that enable analysis of embryonic tissue while preserving the seed. The oil matrix serves as an intermediary medium that maintains embryo viability during storage and transport, preventing contamination while allowing subsequent genetic analysis.
2Quantity of substance
If more seed tissue is removed for analysis, then sufficient material for multiple tests is obtained, but seed viability and germination capacity are reduced
Solution Approach 1:
The invention extracts only the embryonic portion of the seed, which is the metabolically active tissue containing the genetic material needed for analysis. By focusing on the embryo rather than removing large portions of the seed coat or endosperm, sufficient tissue is obtained for multiple molecular tests while preserving the seed's structural integrity and germination capacity.
Solution Approach 2:
The invention performs preliminary isolation of the embryo from the seed before any extensive tissue processing. This preliminary action allows for careful control of tissue removal, ensuring that only the necessary amount of embryonic tissue is extracted for analysis while the remaining seed structure remains intact and viable for future germination.
3Productivity
If multiple seeds are processed simultaneously to maintain throughput, then efficiency increases, but contamination risk and tracking complexity increase
Solution Approach 1:
The invention segments the processing system into individual microcentrifuge tubes, each containing a single seed or embryo in its own oil matrix. This segmentation allows multiple seeds to be processed simultaneously in parallel while maintaining physical separation, thereby increasing throughput without increasing contamination risk. Each tube serves as an independent containment unit with its own sterile environment.
Solution Approach 2:
The oil matrix serves as an intermediary barrier between multiple seeds being processed simultaneously. Each embryo is suspended in its own oil-containing microcentrifuge tube, creating a physical and chemical barrier that prevents cross-contamination while allowing high-throughput processing. The oil matrix also provides a sterile environment that protects against microbial contamination during storage and transport.
4Ease of manufacture
If conventional storage methods are used for plant embryos, then simplicity is maintained, but premature germination and contamination occur
Solution Approach 1:
The invention changes the physical and chemical parameters of the storage environment by introducing an oil matrix surrounding the embryo in aqueous solution. This parameter change creates an anaerobic, sterile environment that prevents premature germination and microbial contamination while maintaining embryo viability. The oil layer acts as a physical barrier to oxygen and contaminants, allowing simplified storage conditions without compromising embryo health.
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 methods enable high-throughput molecular analysis, efficient seed selection, and preservation of viable plant sources, reducing contamination and resource demands, and allowing for automated processing and genotyping of plant embryos.
Implementation Method 1
suspending the plant embryos or plant embryonic tissue in an aqueous solution surrounded by a matrix of one or more oils. Preferably, at least one of the one or more oils has a density greater than that of the aqueous solution
Implementation Method 2
storing genomic DNA and molecular marker assay materials in an oil bilayer for use in high-throughput molecular analysis
Data Source
AI summary
Methods for preserving viability of plant tissues such as plant embryos are provided herein. Also included are methods for storing genomic DNA and/or molecular marker assay materials in an oil bilayer as part of a high-throughput molecular characterization system. Moreover, plant embryos may be treated while in an oil matrix. The treatment may include chromosome doubling, Agrobacterium-mediated transformation, or herbicide selection as part of an embryo rescue process.