A signalling pathway controlling morphogenesis, the formation of the three-dimensional body shape in the fruit fly Drosophila, also has pivotal functions for early embryonic development in other insects like beetles, crickets and bugs. In these insects, the pathway is even required for the formation of the primary cell layer of the embryo. The discovery of this early function in phylogenetically distant insects suggests that the Fog (folded gastrulation) pathway fulfills a central developmental function...
A new study from EPFL scientists has found that bacteria use mechanical forces to divide, along with biological factors. The research, led by the groups of John McKinney and Georg Fantner at EPFL, came after recent studies suggested that bacterial division is not only governed by biology, but also by physics. However, this interplay is poorly understood.
A new study from Indiana University has revealed a previously unknown role a protein plays in helping bacteria reel in DNA in their environment—like a fisherman pulling up a catch from the ocean.
An international team of scientists led by Prof. Kevin Verstrepen (VIB-KU-Leuven) and Prof. Steven Maere (VIB-UGent) has discovered that some of the most renowned classic Belgian beers, including Gueuze and Trappist ales, are fermented with a rare and unusual form of hybrid yeasts. These yeasts combine DNA of the traditional ale yeast, Saccharomyces cerevisiae, with that of more stress-resistant feral yeasts such as Saccharomyces kudriavzevii.
When a muscle is activated, it is the proteins myosin and actin that go to work. Myosin molecules take hold of actin molecules and pull, like rope pulling, in a process that gets energy from the use of the cellular fuel ATP. In his dissertation, Mohammad Ashikur Rahman has conducted extensive studies of the mechanical actin and myosin process at the molecular level. These studies have provided new basic scientific knowledge, but the insights are, however, also of value for developing future treatment...
Cells need powerhouses known as mitochondria to utilize the energy stored in our food. Most of the proteins required for this powerhouse function are encoded in the nucleus and transported into the mitochondria after they have been synthesized in the cytosol. Signal sequences are needed to allow the protein to enter the mitochondria. Once the protein has arrived there, the signal sequences are, however, removed. Up until now, researchers did not fully understand the importance of this removal of...
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου