Soybean AR1100280 Breeding via Marker Selection
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Solution Overview
Problem
Soybean breeding is complex due to self-pollination, requiring intensive research and development to produce new cultivars with desired traits like herbicide resistance, disease resistance, and improved yield, which is unpredictable and time-consuming, often resulting in only a few selected lines being developed after years of testing.
Innovation Solution
The development of soybean cultivar AR1100280 and methods involving crossing, selfing, and backcrossing with transgenic traits such as glyphosate tolerance, disease resistance, and altered fatty acid profiles, using genetic engineering and marker-assisted selection to introduce desired alleles and traits into the soybean germplasm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional breeding methods are used to develop new soybean cultivars, then genetic diversity is maintained through self-pollination, but the process becomes highly unpredictable and time-consuming
Solution Approach 1:
The patent employs molecular markers as intermediary tools to track and select specific alleles during breeding. These markers serve as mediators between the breeder and the genetic traits, enabling precise identification and selection of desired genetic combinations without relying on unpredictable phenotypic expression or lengthy traditional breeding cycles.
Solution Approach 2:
The patent replaces traditional mechanical/phenotypic selection methods with molecular marker-based selection. Instead of relying on visual traits and manual selection processes that are time-consuming and unpredictable, the invention uses DNA marker technology to directly identify and select plants with desired genetic traits, significantly accelerating the breeding process and improving predictability.
2Reliability
If intensive research and development is conducted to produce new cultivars with desired traits, then traits like herbicide resistance and disease resistance can be achieved, but the process requires millions of genetic combinations to be evaluated
Solution Approach 1:
The patent extracts specific genetic markers associated with desired traits (herbicide resistance, disease resistance) from the complex genome and uses these markers to identify and select plants carrying the target traits. This extraction approach allows breeders to focus on specific genetic regions of interest rather than evaluating millions of random genetic combinations, thereby simplifying the breeding procedure while ensuring reliable trait presence.
Solution Approach 2:
Molecular markers serve as intermediaries that link breeders to specific genetic traits. By using these marker intermediaries, the complex task of evaluating millions of genetic combinations is reduced to tracking specific marker profiles associated with desired traits, making the breeding process more manageable and reliable.
3Adaptability or versatility
If cross-pollination is used to introduce new traits, then genetic diversity and new trait combinations can be achieved, but cross-pollination is a rare occurrence in nature requiring breeder intervention
Solution Approach 1:
The patent uses molecular markers as intermediaries to facilitate and track cross-pollination events. By monitoring marker inheritance patterns, breeders can efficiently identify successful crosses and track the transmission of desired traits through generations, making the otherwise rare and difficult cross-pollination process more manageable and predictable.
Solution Approach 2:
The patent implements feedback mechanisms through molecular marker analysis to monitor and evaluate cross-pollination outcomes. By analyzing marker profiles in progeny, breeders receive feedback on whether successful crosses occurred and whether desired traits were transmitted, enabling informed decisions about which plants to advance in the breeding program without relying on rare natural cross-pollination events.
Data Source
AI summary
The present invention is in the field of soybean variety AR1100280 breeding and development. The present invention particularly relates to the soybean variety AR1100280 and its progeny, and methods of making AR1100280.