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
0
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
Lungs are essential to many vertebrates including humans. However, four living amphibian clades have independently eliminated pulmonary respiration and lack lungs, breathing primarily through their wet skin. Little is known ...
Plants & Animals
Aug 17, 2022
0
89
Using UT Southwestern's Cryo-Electron Microscopy Facility, researchers have captured images of an enzyme for Wnt lipidation, which is pivotal to human development and crucial for Wnt signaling activation. The findings, reported ...
Biochemistry
Aug 16, 2022
0
18
Scientists have constructed the most complete and detailed single-cell map of embryo development in any animal to date, using the fruit fly as a model organism.
Cell & Microbiology
Aug 4, 2022
0
110
A single chemical is key to controlling when hair follicle cells divide, and when they die. This discovery could not only treat baldness, but ultimately speed wound healing because follicles are a source of stem cells.
Molecular & Computational biology
Jul 25, 2022
1
341
