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Development and Applications of a High Throughput Genotyping Tool for Polyploid Crops: Single Nucleotide Polymorphism
Qian You1,2, Xiping Yang2, Ze Peng2
1Key Laboratory of Sugarcane Biology and Genetic Breeding Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China.
Frontiers in Plant Science
|February 23, 2018
Summary
Single nucleotide polymorphism (SNP) arrays offer high-throughput genotyping for polyploid crops, crucial for agriculture. This review details SNP array design and genotype calling strategies for complex polyploid genomes.
Area of Science:
- Agricultural Science
- Genetics
- Genomics
Background:
- Polyploid species, including major crops like potato and wheat, are vital for global food production.
- Genotyping polyploid crops is challenging, hindering genetic studies and molecular breeding compared to diploid species.
- Single nucleotide polymorphism (SNP) arrays are a powerful tool for high-throughput, cost-efficient genotyping.
Purpose of the Study:
- To review the advantages and disadvantages of SNP arrays for polyploid crop genotyping.
- To address challenges and present solutions for SNP calling in polyploid genomes.
- To provide recommendations for SNP array design and genotype calling in polyploid species.
Main Methods:
- Comprehensive literature review on SNP array technology and its application in polyploid crops.
- Analysis of challenges and solutions for SNP identification and calling in polyploid genomes.
- Evaluation of SNP selection criteria, array design considerations, and genotype calling software.
Main Results:
- SNP arrays face unique challenges in polyploid species due to ploidy impacting marker quality and validation.
- Effective strategies for SNP discovery, selection, and array design are crucial for polyploid crops.
- Various software tools exist for genotype calling in polyploids, with varying accuracy.
Conclusions:
- SNP arrays are essential for advancing genetic studies and molecular breeding in polyploid crops.
- Addressing ploidy-specific challenges is key to successful SNP array development and application.
- This review offers a comprehensive guide and recommendations for researchers working with polyploid crop genetics.
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