Transcription factors are proteins that interact with DNA to regulate the function of some genes. Generally, a single transcription factor binds to several regions in the genome as it orchestrates complex cellular responses, ...
Molecular & Computational biology
Dec 14, 2022
0
42
The vast majority of vertebrate species living today, including humans, belong to the jawed vertebrate group. The development of articulating jaws during vertebrate evolution was one of the most significant evolutionary transitions ...
Evolution
Nov 25, 2022
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301
Ancient, dormant sequences in the genome impact embryonic development in unexpected ways. The mammalian genome contains retroviral sequences that are in an undead but mostly "harmless" state. An international research team ...
Cell & Microbiology
Nov 23, 2022
0
32
Dinosaurs—and birds—wouldn't have been able to stand on their own two feet without some radical changes to their upper thigh bones. Now, a new study by Yale paleontologists charts the evolutionary course of these leggy ...
Paleontology & Fossils
Nov 21, 2022
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968
Organs in the human body have complex networks of fluid-filled tubes and loops. They come in different shapes, and their three-dimensional structures are differently connected to each other, depending on the organ. During ...
General Physics
Nov 21, 2022
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43
Skoltech researchers have shown genes involved in embryonic development to be at work in pupation—the drastic transformation that butterflies and some other insects undergo as their larvae mature. The discovery furthers ...
Plants & Animals
Nov 14, 2022
1
337
At the moment of fertilization, the genes in the fertilizing sperm and egg are switched off. For a new embryo to develop, they must be switched on—but how?
Cell & Microbiology
Oct 3, 2022
0
21
The phenomenon of regeneration was discovered over 200 years ago in the freshwater polyp Hydra. Until now, however, it was largely unclear how the orderly regeneration of lost tissues or organs is activated after injury. ...
Cell & Microbiology
Sep 2, 2022
0
669
ETH Zurich researchers have developed a model that explains how nerve cells in the brain connect during development. Their model reveals that the crucial factor is progressive cell division. This process leads naturally to ...
Cell & Microbiology
Aug 25, 2022
0
115
The first mutation of the wingless gene was found by accident in Drosophila in the 1970s, following the observation of flies that did not possess wings, hence its name. Fifteen years after its discovery, the gene was found ...
Cell & Microbiology
Aug 22, 2022
0
33
