Related Experiment Video
Updated: Aug 1, 2026

Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.
Published on: May 7, 2010
Fine-scale structural variation of the human genome.
Eray Tuzun1, Andrew J Sharp, Jeffrey A Bailey
1Department of Genome Sciences, University of Washington School of Medicine, 1705 NE Pacific Street, Seattle, Washington 98195, USA. eee@gs.washington.edu
Researchers mapped structural variations in the human genome, identifying hundreds of insertions, deletions, and inversions. This detailed map aids in understanding genetic disease and susceptibility.
Area of Science:
- Genomics
- Human Genetics
- Molecular Biology
Background:
- Structural variations like inversions, deletions, and insertions significantly influence disease and susceptibility.
- A comprehensive understanding of these variations is crucial for genetic research.
Purpose of the Study:
- To systematically detect and characterize intermediate-sized structural variants (>8 kb) in the human genome.
- To create a fine-scale structural variation map of the human genome.
Main Methods:
- Comparative analysis of the human genome reference sequence against a second genome (fosmid paired-end sequences).
- Identification of insertion, deletion, and inversion breakpoints.
- Validation of structural variants using integrated literature, sequence, and experimental analyses.
Main Results:
- Identified 297 sites of structural variation: 139 insertions, 102 deletions, and 56 inversion breakpoints.
- Validated 112 structural variants, including several with biomedical relevance.
- Generated a high-resolution map of structural variations in the human genome.
Conclusions:
- The study provides a detailed structural variation map of the human genome.
- The identified variants offer sequence precision for future genetic studies of human diseases.
- This resource is valuable for advancing research into the genetic basis of diseases.
Related Concept Videos
Karyotyping
Evolutionary Relationships through Genome Comparisons
Multi-species Conserved Sequences
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...
Comparing Copy Number Variations and SNPs
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Single Nucleotide Polymorphisms-SNPs
Genetic Variation
Genes exist in different versions called alleles, which...

