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Third-generation Human Genome Resequencing
Brief

Human genome resequencing is a genome sequencing based on next-generation sequencing technology, which mainly focuses on the analysis of single nucleotide variation (SNV) and small fragment insertion deletion mutation (InDel), and faces challenges in the detection of variation in some repeated regions and structural variation in large fragments (SV); however, PacBio third-generation long-read sequencing can cover long structural variation sequences, and low-depth third-generation sequencing can effectively identify most structural variations in human genome. Any mutations of SNV, InDel and SV can be obtained simultaneously by using HiFi reads.

Fields
  • Variant detection
  • Tumor research
  • Monogenic disease
  • Complex disease
Process
4、TGS - third-generation human genome resequencing.png
Parameters
Type of Variant DetectionStrategyRecommended Data Volume
Third-generation Human Whole-variation Retesting15k/20k HiFi DNA library25 Gb HiFi
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Requirements
 Sampling Requirements
Total DNA≥6.5 µg
DNA Concentration≥80 ng/µl
DNA PurityOD260/280: 1.8-2.0
OD260/230: 1.6-2.5
QC/NC ratio: 0.5-2.0
Other requirementsMain band of gel electrophoresis ≥30kb, free of dispersion and degradationt
Do not freeze and thaw repeatedly
Do not get exposed to high temperature (>65°C)
Do not get exposed to high and low pH (<6>9)

Free of chelating agents, divalent metal cations, denaturants and detergents

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