Soybean D202801 Marker-Assisted Breeding

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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 genetic variability and environmental dependence.

Innovation Solution

The development of the soybean variety D202801, which includes a single locus conversion through genetic transformation, conferring traits like herbicide resistance, disease resistance, and improved nutritional quality, and can be propagated using methods like backcrossing and marker-assisted selection to maintain desired characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional breeding techniques are used to develop soybean varieties, then genetic diversity and adaptability are maintained, but the breeding process becomes time-consuming and unpredictable with high genetic variability

Engineering Contradiction:
Improvepredictability of trait expressionVSAvoidbreeding cycle duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies parameter changes by using molecular markers to detect specific genetic parameters (DNA sequences) that control desirable traits. This allows breeders to select plants with desired traits based on molecular-level parameters rather than waiting for phenotypic expression, dramatically reducing breeding time and increasing predictability while maintaining genetic diversity through marker-assisted selection

Inventive Principle:
Principle #35Parameter changes

2Productivity

If conventional breeding techniques are used, then environmental adaptability is maintained through genetic variability, but breeding efficiency and productivity are reduced

Engineering Contradiction:
Improvebreeding efficiencyVSAvoidenvironmental adaptability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent implements feedback by using molecular markers to provide information about the genetic composition of breeding plants. This feedback loop allows breeders to make informed selection decisions at the molecular level, accelerating breeding efficiency while maintaining adaptability by selecting for specific genetic variants that confer environmental resilience without relying solely on phenotypic screening

Inventive Principle:
Principle #23Feedback

3Manufacturing precision

If genetic transformation with single locus conversion is used, then desirable traits such as herbicide resistance and nutritional quality are precisely introduced, but device complexity and manufacturing difficulty increase

Engineering Contradiction:
Improveprecision of trait introductionVSAvoidgenetic transformation complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent replaces mechanical/conventional breeding methods with molecular-level genetic transformation techniques. By using DNA-based markers and targeted genetic modification, the system achieves precise introduction of desirable traits (herbicide resistance, nutritional quality) without the time-consuming and imprecise nature of conventional crossing and selection, despite increased technological complexity

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS9338971B2Soybean variety D202801
Publication Date: 2016.05.17 MONSANTO TECHNOLOGY LLC

AI summary

The invention relates to the soybean variety designated D202801. Provided by the invention are the seeds, plants and derivatives of the soybean variety D202801. Also provided by the invention are tissue cultures of the soybean variety D202801 and the plants regenerated therefrom. Still further provided by the invention are methods for producing soybean plants by crossing the soybean variety D202801 with itself or another soybean variety and plants produced by such methods.