Soybean XB35E13 Marker-Assisted Breeding for Disease Resistance

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Solution Overview

Problem

Current soybean breeding processes are time-consuming and resource-intensive, aiming to develop stable, high-yielding varieties with desirable traits such as disease resistance, drought tolerance, and improved fatty acid profiles, while existing methods face challenges in efficiently combining these traits in a single variety.

Innovation Solution

The development of the soybean variety XB35E13, which combines improved traits through careful breeding and selection, including resistance to diseases and abiotic stresses, with methods for introgressing transgenic or mutant traits, and characterizing the variety using genetic marker profiles for breeding and development of derived varieties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional soybean breeding methods are used to combine multiple desirable traits, then the variety achieves improved disease resistance, drought tolerance, and fatty acid profile, but the development process becomes time-consuming and resource-intensive

Engineering Contradiction:
Improvedisease resistanceVSAvoidbreeding development time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent segments the breeding process by using molecular markers to identify and track specific genes associated with desirable traits (disease resistance, drought tolerance, fatty acid profile) independently. This allows breeders to select for multiple traits simultaneously through marker-assisted selection rather than traditional phenotypic selection, significantly reducing the time and resources required to combine these traits in a single variety.

Inventive Principle:
Principle #1Segmentation

2Productivity

If multiple desirable traits are combined in a single soybean variety, then the agronomic performance and yield are improved, but the breeding program complexity increases

Engineering Contradiction:
Improveseed yieldVSAvoidbreeding program complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms through molecular marker analysis at various stages of the breeding program. By continuously monitoring the presence and combination of desired traits using DNA markers, breeders can make informed decisions about which plants to advance, cross, or discard. This feedback loop simplifies the management of complex multi-trait breeding programs by providing objective data-driven guidance throughout the selection process.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If traditional phenotypic selection is used for trait selection, then the process is straightforward, but it lacks precision in identifying specific genetic traits

Engineering Contradiction:
Improvetrait selection processVSAvoidgenetic trait identification accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent introduces molecular markers as an intermediary between the breeder and the actual genetic traits. Instead of directly observing and selecting based on phenotypic expressions, breeders use DNA markers that are tightly linked to or indicative of specific genes of interest. This intermediary approach maintains ease of operation through standardized laboratory protocols while dramatically improving measurement precision in identifying and selecting for specific genetic traits.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8940968B1Soybean variety XB35E13
Publication Date: 2015.01.27 PIONEER HI BREED INTERNATIONAL INC

AI summary

A novel soybean variety, designated XB35E13 is provided. Also provided are the seeds of soybean variety XB35E13, cells from soybean variety XB35E13, plants of soybean XB35E13, and plant parts of soybean variety XB35E13. Methods provided include producing a soybean plant by crossing soybean variety XB35E13 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XB35E13, methods for producing other soybean varieties or plant parts derived from soybean variety XB35E13, and methods of characterizing soybean variety XB35E13. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XB35E13 are further provided.