Genetically engineered organisms (GEOs) are biological entities—prokaryotic or eukaryotic—whose genomes have been deliberately modified using recombinant DNA technologies, genome editing tools (e.g., CRISPR-Cas systems, TALENs, ZFNs), or transgenic methods to introduce, delete, or alter specific genetic sequences. This topic encompasses the design, construction, and characterization of modified genomes; vector systems and delivery methods; control of gene expression; and assessment of phenotypic consequences, stability, and off-target effects. It also includes applications in basic research, biotechnology, agriculture, biopharmaceutical production, and synthetic biology, as well as associated biosafety, containment, and regulatory frameworks governing experimental and environmental use.
Genetically modified organisms, also known as GMOs, have been a hot topic of conversation among researchers, producers, government agencies, and the general public for decades.
Plants & Animals
Nov 5, 2025
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A new study published in Plant Physiology opens the door to developing more robust and cold-resistant tomato (Solanum lycopersicum) varieties. The findings reveal that increasing glycosylated sterol levels in tomato enhances ...
Biotechnology
Nov 3, 2025
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342
Plant a seed and, if the conditions are right, the seed grows. The process seems simple enough at first glance and is something many of us may feel like we learned in elementary school.
Cell & Microbiology
Nov 3, 2025
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27
At the Vrije Universiteit Brussel (VUB)—Flanders Institute for Biotechnology (VIB), biologist Jessie Vandierendonck has been investigating new, alternative treatments to combat bacterial infections using (bacterio)phages, ...
Cell & Microbiology
Oct 31, 2025
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211
Australian researchers have created tiny compartments to help supercharge photosynthesis, potentially boosting wheat and rice yields while slashing water and nitrogen use.
Biotechnology
Oct 30, 2025
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109
Greening disease has devastated the citrus crop in Florida, but University of Florida scientists are using genes from another plant and putting them into Hamlin oranges to develop citrus plants that fight the disease.
Molecular & Computational biology
Oct 30, 2025
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Liver cells are indispensable for research—for drug testing, to better understand diseases such as hepatitis, fatty liver, cirrhosis, or liver cancer and for development of future cell therapies. However, obtaining human ...
Cell & Microbiology
Oct 29, 2025
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Researchers at Rice University have engineered living cells to use a 21st amino acid that illuminates protein changes in real time, providing a new method for observing changes within cells. The technique is effective in ...
Cell & Microbiology
Oct 23, 2025
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38
A single "sexy" gene could help us combat one of the world's most destructive fruit pests. By deleting the gene that lets female moths produce their mating scent, colleagues and I created an "unsexy" moth—and showed one way ...
Plants & Animals
Oct 15, 2025
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For decades, synthetic biologists have been developing gene circuits that can be transferred into cells for applications such as reprogramming a stem cell into a neuron or generating a protein that could help treat a disease ...
Biotechnology
Oct 13, 2025
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