Wheat Variety W080385C1 Trait Integration via Transgenic Preliminary Action

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Solution Overview

Problem

Current wheat breeding methods face challenges in combining desirable traits such as high seed yield, disease resistance, drought tolerance, and improved agronomic characteristics into a single wheat variety, while maintaining uniformity and stability across generations.

Innovation Solution

The development of the wheat variety W080385C1, which involves genetic modification and locus conversion through transgenic techniques, including the introduction of specific genes for traits like herbicide resistance, disease resistance, and abiotic stress tolerance, along with traditional breeding methods like backcrossing and selection, to create a stable and uniform germplasm.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional breeding methods are used to combine multiple desirable traits, then the number of traits combined increases, but the time required for breeding and the complexity of the breeding process increase significantly

Engineering Contradiction:
Improvecombination of desirable traitsVSAvoidbreeding time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-introducing multiple desirable traits through genetic modification before traditional breeding begins. Transgenic techniques are used to incorporate herbicide resistance, disease resistance, and abiotic stress tolerance genes into the wheat genome in advance, eliminating the need for multiple generations of crossbreeding and selection to accumulate these traits naturally.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent uses transgenic technology as an intermediary mechanism to bridge the gap between multiple parental lines with different desirable traits. Instead of relying on slow natural recombination, molecular markers and genetic transformation serve as intermediaries to precisely introduce and track specific traits through backcrossing and selection processes.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple traits are combined through breeding, then the variety becomes more versatile, but maintaining uniformity and stability across generations becomes more difficult

Engineering Contradiction:
Improvecombination of desirable traitsVSAvoiduniformity and stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent implements feedback mechanisms through molecular marker-assisted selection. DNA markers linked to desirable traits are used to monitor and select plants that have successfully inherited the intended genetic modifications during backcrossing. This feedback loop ensures that uniformity and stability are maintained by confirming the presence of target traits at each generation rather than relying solely on phenotypic observation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces traditional mechanical/phenotypic selection methods with molecular-level detection and selection. Instead of visually assessing traits and performing manual selection, molecular markers provide precise genetic identification of plants carrying desired traits, enabling more accurate and efficient selection that maintains uniformity across generations.

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

3Manufacturing precision

If genetic modification techniques are used to introduce specific traits, then the precision of trait introduction improves, but the complexity of the manufacturing process increases

Engineering Contradiction:
Improveprecision of trait introductionVSAvoidcomplexity of breeding process
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent merges traditional breeding methods with modern biotechnology techniques into an integrated approach. Backcrossing and selection are combined with transgenic modification and molecular marker analysis, allowing precise trait introduction while utilizing established breeding frameworks to manage the overall process complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent changes the parameters of the breeding process by introducing genetic modification parameters (transformation efficiency, marker presence/absence) alongside traditional breeding parameters. This allows precise control over which traits are introduced and their expression levels, enabling targeted improvement without requiring complete redesign of the breeding system.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10617084B2Wheat variety W080385C1
Publication Date: 2020.04.14 PIONEER HI BREED INTERNATIONAL INC

AI summary

A wheat variety designated W080385C1, the plants and seeds of wheat variety W080385C1, methods for producing a wheat plant produced by crossing the variety W080385C1 with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety W080385C1 with another wheat line or plant, and the creation of variants by backcrossing, mutagenesis or transformation of variety W080385C1 are disclosed. Methods for producing other wheat varieties or breeding lines derived from wheat variety W080385C1 and to wheat varieties or breeding lines produced by those methods are also provided.