Genotyping by Sequencing (GBS)

CD Genomics has been providing the accurate and affordable genotyping by sequencing services for couple of years. We employ the latest Illumina sequencing platforms to obtain genetic variations information in a more efficient way.

The Introduction of Genotyping by Sequencing (GBS)

Genotyping by Sequencing (GBS), which belongs to one of Reduced-Representation Genome Sequencing techniques, is a method to discover single nucleotide polymorphisms (SNP) in order to perform genotyping studies. GBS greatly reduces genome complexity by using restriction enzymes to cleave the DNA coupled with DNA-barcoded adapters. By choosing appropriate restriction enzymes, GBS can provide high SNP coverage in gene-rich regions of the genome in a highly cost-effective manner, and increase the number of tags in the assay. The sequenced portion of the genome is highly consistent within a population because restriction sites are generally conserved across species. This makes the GBS protocol highly suited for experiments that require surveying.

Consequently, GBS is simple, quick, specific, highly reproducible and rapid due to the simultaneous detection of SNPs and genotypes, and may reach important regions of the genome that are inaccessible to capture sequencing approaches. Thus, the key components of this system have the advantages of lower cost, reduced sample handling, fewer PCR and purification steps, no size fractionation, no reference sequence limits, and efficient barcoding, and the system is easy to scale up. These features make GBS a powerful tool for implementing genome-wide association study (GWAS), genomic diversity study, genetic linkage analysis, molecular marker discovery and genomic selection under a large scale of plant breeding programs.

Key Features and Advantages

  • Reduced sample handling
  • Few PCR & purification steps
  • No DNA size fractionation
  • Efficient barcoding system
  • Simultaneous marker discovery & genotyping
  • Large scales

GBS Workflow

CD Genomics is proud to provide genotyping by sequencing service to advance your population based genotyping studies in an effective and economic way. Please contact us for more information and a detailed quote. CD Genomics is the licensed service provider for this technology. Keygene N.V. owns patents and patent applications protecting its Sequence Based Genotyping technologies.

For Research Use Only. Not for use in diagnostic procedures.
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