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Related Concept Videos

Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
Genomic DNA in Prokaryotes00:46

Genomic DNA in Prokaryotes

The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
Evolution of Microbial Genome01:08

Evolution of Microbial Genome

Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
Next-generation Sequencing03:00

Next-generation Sequencing

The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
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Sanger Sequencing01:57

Sanger Sequencing

DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...

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Related Experiment Video

Updated: Jun 22, 2026

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies
12:08

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies

Published on: August 20, 2021

Bacterial genome sequencing.

Hervé Tettelin1, Tamara Feldblyum

  • 1Institute for Genome Sciences, Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)
|June 13, 2009
PubMed
Summary
This summary is machine-generated.

The Sanger method dominated DNA sequencing for 30 years. Now, revolutionary new DNA sequencing technologies are transforming biological research with diverse applications.

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Area of Science:

  • Genomics and Molecular Biology
  • Bioinformatics
  • Biotechnology

Background:

  • The Sanger method has been the gold standard in DNA sequencing for over three decades.
  • Technological advancements focused on increasing throughput but maintained the core sequencing principle.
  • The field is now experiencing a paradigm shift with the emergence of novel sequencing platforms.

Purpose of the Study:

  • To review the landscape of emerging DNA sequencing technologies.
  • To provide examples of current and potential applications of these new platforms.
  • To discuss the broader impact of genomics and advanced sequencing on biological research.

Main Methods:

  • Comprehensive literature review of various DNA sequencing technologies.
  • Analysis of platform-specific methodologies and performance metrics.
  • Case study examples illustrating diverse research applications.

Main Results:

  • Identification and categorization of multiple next-generation sequencing (NGS) platforms.
  • Demonstration of the versatility of new sequencing approaches across different biological domains.
  • Highlighting the transformative influence of these technologies on scientific discovery.

Conclusions:

  • The advent of new DNA sequencing technologies marks a significant advancement beyond the Sanger method.
  • These innovative platforms offer unprecedented opportunities for biological research and discovery.
  • The integration of genomics and advanced sequencing is reshaping various scientific fields.