Soybean XBP35008 Marker-Assisted Breeding

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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, but face challenges in efficiently combining these traits in a single variety.

Innovation Solution

Development of the soybean variety XBP35008, which is the result of careful breeding and selection, combining traits like resistance to aerial web blight, aphid antibiosis, brown stem rot, and improved fatty acid composition, through a comprehensive breeding program involving cross-pollination and genetic marker-assisted selection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional soybean breeding methods are used to combine multiple desirable traits, then disease resistance and yield are improved, but the breeding process becomes time-consuming and resource-intensive

Engineering Contradiction:
Improvedisease resistanceVSAvoidbreeding process duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent employs molecular marker-assisted selection (MAS) which provides feedback on the genetic composition of breeding lines at the DNA level. This allows breeders to track the inheritance of desirable traits (such as disease resistance genes) through generations, making informed selection decisions early in the breeding process rather than waiting for phenotypic expression, thereby significantly reducing the time required to develop new varieties.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces traditional phenotypic selection methods (visual inspection and manual evaluation of plant characteristics) with molecular marker-based genetic analysis. This substitution of mechanical/physical selection with biochemical/molecular techniques enables earlier and more accurate identification of desired traits, accelerating the breeding process while maintaining reliability of trait inheritance.

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

2Productivity

If multiple desirable traits are combined in a single variety through extensive breeding, then agronomic performance is improved, but the complexity of the breeding program increases

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

Solution Approach 1:

The patent segments the breeding process into distinct phases: initial parental selection based on molecular markers, intermediate generation advancement with marker-assisted selection, and final variety development. This segmentation allows complex multi-trait combinations to be achieved systematically through controlled crosses and selective breeding, managing program complexity by breaking down the overall goal into manageable steps.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent develops soybean varieties that simultaneously express multiple desirable traits including disease resistance, yield improvement, and adaptability to different environments. The molecular marker system itself serves multiple functions: tracking inheritance, predicting performance, and guiding selection decisions across different breeding stages, thereby managing complexity through a unified multi-functional approach.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Manufacturing precision

If precise selection of germplasm with specific traits is performed, then trait combination accuracy is improved, but the difficulty of detecting and measuring desired traits increases

Engineering Contradiction:
Improvetrait combination accuracyVSAvoidtrait detection difficulty
Core Design Contradiction:
Manufacturing precisionVSDifficulty of detecting and measuring

Solution Approach 1:

The patent replaces difficult and time-consuming phenotypic evaluation (field testing, disease inoculation, yield measurement) with straightforward molecular marker analysis in the laboratory. DNA-based markers provide direct genetic information about the presence and inheritance of desired traits, making detection and measurement simple, accurate, and scalable without requiring complex field trials or specialized equipment.

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

Solution Approach 2:

The patent introduces molecular markers as intermediary indicators that correlate with desirable traits. Instead of directly measuring complex traits like disease resistance or yield potential, the markers serve as proxies that are easily detected through DNA analysis. This intermediary approach simplifies the detection process while maintaining high accuracy in predicting trait inheritance and combination.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8519234B1Soybean variety XBP35008
Publication Date: 2013.08.27 PIONEER HI BREED INTERNATIONAL INC

AI summary

A novel soybean variety, designated XBP35008 is provided. Also provided are the seeds of soybean variety XBP35008, cells from soybean variety XBP35008, plants of soybean XBP35008, and plant parts of soybean variety XBP35008. Methods provided include producing a soybean plant by crossing soybean variety XBP35008 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XBP35008, methods for producing other soybean varieties or plant parts derived from soybean variety XBP35008, and methods of characterizing soybean variety XBP35008. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XBP35008 are further provided.