[Research progress and clinical application of the third- generation sequencing techniques]

Area of Science:

• Genomics
• Molecular Biology
• Bioinformatics

Background:

• First-generation Sanger sequencing enabled early genome projects but faced limitations in throughput and cost.
• Second-generation sequencing (next-generation sequencing) offered high throughput and lower costs but produced short reads.
• Third-generation sequencing emerged with long reads, addressing limitations of previous technologies for complex genomic regions.

Purpose of the Study:

• To review the research progress of third-generation sequencing techniques.
• To highlight the developing clinical applications of third-generation sequencing.
• To provide an overview of advancements in long-read sequencing technologies.

Main Methods:

• Review of scientific literature on third-generation sequencing.
• Analysis of research progress and technological developments.
• Examination of current and emerging clinical applications.

Main Results:

• Third-generation sequencing provides long reads, crucial for analyzing repetitive genomic regions and improving genome assembly.
• Significant advancements have been made in third-generation sequencing technologies.
• Clinical value of third-generation sequencing is increasingly being demonstrated.

Conclusions:

• Third-generation sequencing represents a significant leap forward in genomic analysis capabilities.
• The long-read nature of third-generation sequencing is key to its utility in complex genomic studies.
• Continued development promises broader clinical integration and impact of third-generation sequencing.