Third-generation Sequencing
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Third-generation Sequencing
Third-generation sequencing (also known as long-read sequencing) is a class of DNA sequencing methods that have the capability to produce substantially longer reads (ranging from 10 kb to >1 Mb in length) than second generation sequencing, also known as next-generation sequencing methods. These methods emerged in 2008, characterized by technologies such as nanopore sequencing or single-molecule real-time sequencing, and continue to be developed. The ability to sequence longer reads has critical implications for both genome science and the study of biology in general. In structural variant calling, third generation sequencing has been found to outperform existing methods, even at a low depth of sequencing coverage. However, third generation sequencing data have much higher error rates than previous technologies, which can complicate downstream genome assembly and analysis of the resulting data. These technologies are undergoing active development and it is expected that there will b ...
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DNA Sequencing
DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, thymine, cytosine, and guanine. The advent of rapid DNA sequencing methods has greatly accelerated biological and medical research and discovery. Knowledge of DNA sequences has become indispensable for basic biological research, Genographic Project, DNA Genographic Projects and in numerous applied fields such as medical diagnosis, biotechnology, forensic biology, virology and biological systematics. Comparing healthy and mutated DNA sequences can diagnose different diseases including various cancers, characterize antibody repertoire, and can be used to guide patient treatment. Having a quick way to sequence DNA allows for faster and more individualized medical care to be administered, and for more organisms to be identified and cataloged. The rapid advancements in DNA seque ...
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