DNA sequencing is a set of laboratory methods for determining the precise linear order of nucleotides (A, C, G, T) in a DNA molecule. Core methodological classes include Sanger sequencing, which uses chain-terminating dideoxynucleotides and capillary electrophoresis for high-fidelity, low-throughput analysis, and next-generation sequencing (NGS) platforms, which employ massively parallel sequencing-by-synthesis, sequencing-by-ligation, or nanopore-based readout for high-throughput, genome-scale applications. These methods entail library preparation, clonal or single-molecule amplification (except in true single-molecule approaches), signal detection, and computational base-calling, followed by quality control and downstream bioinformatic analysis.
A single gram of soil contains between 10 million and 1 billion viruses. Most of those viruses do not infect plants, animals or people, but they do target bacteria and other microbes. Because of their influence on microbial ...
Ecology
Jul 7, 2026
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As consumer interest grows in foods and beverages with added nutritional value, brewers are exploring ways to improve fermentation itself rather than relying on post-production additives. Ornithine, a naturally occurring ...
Cell & Microbiology
Jul 5, 2026
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Throughout human ecological history, we have played a variety of roles within ecosystems around the world. In this so-called Anthropocene era, genomic innovations have given us new and powerful ways to influence the environment ...
Plants & Animals
Jul 3, 2026
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All living organisms are known to inherit genes, DNA sequences that contain instructions for producing specific proteins and performing biological functions, from their parents. In some cases, however, genes can also shift ...
Decades-old hospital samples have helped University of East Anglia (UEA) researchers uncover how a deadly antibiotic-resistant "superbug" quietly tightened its grip across the globe. It lurked in hospital corridors for decades, ...
Evolution
Jul 1, 2026
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203
Salvinia molesta can double its biomass in 36 hours. It spreads across ponds, lakes and slow-moving waterways in a smothering green mat, blocking sunlight, consuming oxygen and collapsing the ecosystems beneath it. Now present ...
Evolution
Jun 30, 2026
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Genome editing lets scientists rewrite DNA, the instruction manual inside every living cell, with a precision that was unthinkable a generation ago. Technologies such as CRISPR have made this almost routine, and its uses ...
Biotechnology
Jun 24, 2026
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One of the world's most significant collections of plant specimens is under threat from the ongoing war in Ukraine, prompting an international call for urgent digitization and global collaboration to preserve an irreplaceable ...
Plants & Animals
Jun 24, 2026
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Researchers have identified "DNA switches" that become active as honeybee larvae grow into worker bees, offering new insight into the development of these important pollinators and the ecosystems they support.
Ecology
Jun 23, 2026
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Spoorti Gandhadmath carefully placed 3.5-inch (8.9-centimeter) pots on a shelf in a growth chamber. Within seven days of sowing, newly sprouted leaves had fully emerged from each of the carefully selected seeds, representing ...
Molecular & Computational biology
Jun 22, 2026
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