Why do some groups of organisms contain thousands of species while others have only a handful? Evolutionary biologists have spent decades trying to answer this question using mathematical models that estimate how biological ...
Evolution
Sep 2, 2026
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34
Bacteria can survive antibiotics in several ways, including by pumping the drugs out of their cells before they can take effect. Researchers at the University of Osaka have discovered a previously unknown mechanism that allows ...
Cell & Microbiology
7 hours ago
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7
The human genome is about two meters (6.6 feet) long, yet it is folded inside a cell nucleus only about 10 micrometers in diameter. To fit into this tiny space, DNA is wrapped around histone proteins to form nucleosomes, ...
Cell & Microbiology
13 hours ago
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7
As an embryo develops from a small cluster of stem cells, those once "blank slate" cells begin to take on more specialized roles like brain, liver or muscle cells and organize themselves into three-dimensional structures ...
Cell & Microbiology
13 hours ago
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11
The findings of a new study led by the Leibniz-IZW on Namibian free-ranging cheetahs (Acinonyx jubatus jubatus) demonstrate that epigenetic mechanisms might play an important role in how animals develop different phenotypes ...
Ecology
Sep 7, 2026
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20
The immune system is a highly sophisticated defense network designed to protect against pathogens. A research team from the Universities of Würzburg and Jena and the Leibniz Institute for Natural Product Research and Infection ...
Cell & Microbiology
Sep 7, 2026
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9
How do related proteins develop different functions? This is the question investigated by a research team involving Kiel University, DESY and the Center for Structural Systems Biology (CSSB). Led by Holger Sondermann, professor ...
Evolution
Sep 7, 2026
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16
Conformational changes in proteins are vital to their function yet remain challenging for state-of-the-art artificial intelligence, such as AlphaFold3, to predict. Researchers at the Institute for Molecular Science (IMS), ...
Biotechnology
Sep 5, 2026
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70
Gram-negative bacteria are responsible for several infections that are hard to treat because of their high resistance to antibiotics. These bacteria possess an outermost layer called the outer membrane that acts as a protective ...
Cell & Microbiology
Sep 4, 2026
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21
When a patient's DNA is read, it is compared with a reference version of the human genome. This allows geneticists and rare disease experts to look at a list of places where the patient's DNA differs. Most variations will ...
Biotechnology
Sep 3, 2026
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