Introduction to DNA Sequencing Technologies and Genome Assembly

Understanding how we read the blueprint of life is essential for anyone entering bioinformatics, genetics, or biotechnology. This text-based course guides you through the landmark scientific breakthroughs and technological milestones that transformed genomics from a painstaking manual process into a high-throughput digital science. By reading our structured explanations, you will gain a clear conceptual framework of how sequencing technologies developed and how modern computational tools assemble millions of short genetic fragments into complete, coherent genomes. What you will learn: 1. Understand foundational molecular biology concepts and early DNA sequencing principles. 2. Compare Sanger sequencing, hybridization arrays, and next-generation sequencing platforms. 3. Learn the key algorithmic steps and data challenges involved in de novo genome assembly. 4. Explore modern long-read sequencing technologies and their advantages in resolving complex genomic regions. 5. Analyze how raw sequencing data is formatted, stored, and prepared for downstream bioinformatics pipelines. The course begins with essential genetic terminology and the chemical principles of DNA, before tracing the historical timeline through first, second, and third-generation sequencing methods. You will then study the core computational logic behind genome assembly and modern data standards. This course is designed entirely for beginners, science enthusiasts, and aspiring bioinformaticians, requiring no prior background in laboratory genetics or programming. Start reading to build a solid foundation in the history and mechanics of genomic sequencing.