Soybean Variety 01045691 Breeding via Agrobacterium Transformation
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Solution Overview
Problem
Current soybean breeding methods face challenges in developing stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved nutritional quality, as they rely on conventional breeding techniques that are time-consuming and unpredictable, leading to the need for innovative approaches to introduce specific genetic traits effectively.
Innovation Solution
The development of the soybean variety 01045691, which includes methods for crossing and breeding techniques like backcrossing, genetic transformation, and marker-assisted selection to introduce desired traits like herbicide resistance, disease resistance, and improved nutritional quality, while maintaining the overall agronomic characteristics of the soybean variety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional breeding techniques are used, then soybean varieties can be developed with desirable traits, but the process is time-consuming and unpredictable
Solution Approach 1:
The patent replaces conventional mechanical breeding methods (crossing, selection, and recombination through physical means) with genetic engineering techniques. Specifically, it uses Agrobacterium-mediated transformation and direct DNA transfer methods to introduce desired traits directly into the soybean genome, bypassing the time-consuming process of conventional breeding while achieving predictable trait introduction.
Solution Approach 2:
The patent employs Agrobacterium tumefaciens as a biological intermediary to transfer desired genetic traits into soybean plants. This mediator organism naturally facilitates DNA transfer through its Ti plasmid mechanism, enabling precise and efficient introduction of specific traits without requiring extensive conventional breeding cycles.
2Manufacturing precision
If conventional breeding techniques are used, then soybean varieties can be developed, but the process is unpredictable in introducing specific genetic traits
Solution Approach 1:
The patent segments the breeding process into distinct stages: first introducing the desired trait through precise genetic transformation, then separately maintaining and selecting for other variety characteristics. This segmentation allows for controlled introduction of specific traits (such as herbicide resistance or disease resistance) without affecting other desirable variety attributes, achieving both precision and reliability.
Solution Approach 2:
The patent changes the fundamental parameter of trait introduction from random genetic recombination (conventional breeding) to targeted genetic insertion (biotechnology). By using specific transformation methods and selectable markers, the process achieves precise control over which traits are introduced and where they are inserted in the genome, ensuring both precision and consistency across breeding programs.
3Adaptability or versatility
If multiple breeding objectives are pursued simultaneously, then comprehensive improvement is achieved, but the complexity of the breeding program increases
Solution Approach 1:
The patent merges multiple breeding objectives into a single integrated genetic transformation process. Instead of conducting separate breeding programs for different traits (disease resistance, herbicide tolerance, nutritional quality), the methodology combines these objectives by introducing multiple transgenes simultaneously or in sequence using the same Agrobacterium-mediated transformation system, thereby reducing overall program complexity while achieving comprehensive improvement.
Solution Approach 2:
The patent develops a universal breeding platform based on Agrobacterium-mediated transformation that can address multiple breeding objectives through a single methodological approach. This multi-functional system can introduce diverse traits (resistance genes, quality genes, yield genes) using the same transformation protocol and selection strategy, simplifying the management of complex multi-trait breeding programs.
Data Source
AI summary
The invention relates to the soybean variety designated 01045691. Provided by the invention are the seeds, plants and derivatives of the soybean variety 01045691. Also provided by the invention are tissue cultures of the soybean variety 01045691 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety 01045691 with itself or another soybean variety and plants produced by such methods.