Scientists at Karolinska Institutet in Sweden have identified two molecules that play an important role in the survival and production of nerve cells in the brain, including nerve cells that produce dopamine. The discovery, ...
Biochemistry
Dec 23, 2012
0
0
Light can be used to control the transport of proteins from the cell nucleus with the aid of a light-sensitive, genetically modified plant protein. Biologists from Heidelberg University and the German Cancer Research Center ...
Cell & Microbiology
Feb 15, 2016
0
14
Carbon fixation by phytoplankton in the open ocean plays a key role in the global carbon cycle but is not fully understood. Until now researchers believed that cyanobacteria overwhelmingly accounted for phytoplankton's role ...
Environment
Apr 15, 2010
1
0
For decades, researchers have used petri dishes to study cell movement. These classic tissue culture tools, however, only permit two-dimensional movement, very different from the three-dimensional movements that cells make ...
Cell & Microbiology
Aug 28, 2014
0
0
Using the word predation may seem surprising when we talk about the first organisms that set out to eat other organisms, for they were not deadly predators with sharp teeth and claws, but small single-celled life forms that ...
Evolution
Dec 20, 2022
0
231
All plant cells obtain their energy mainly from two organelles they contain—chloroplasts (responsible for photosynthesis) and mitochondria (responsible for the biochemical cycle of respiration that converts sugars into ...
Biochemistry
Jun 21, 2021
0
1237
Researchers have successfully isolated and sequenced the entire messenger RNA – the "genetic photocopies" – contained in the nucleus of a single brain cell. This research, published in the journal Proceedings of the National ...
Cell & Microbiology
Dec 23, 2013
0
0
The Y chromosomes of cattle have more genes and are more active than the Y chromosomes of other primates, according to researchers.
Biotechnology
Jul 11, 2013
0
0
Certain parts of DNA are highly mobile and their dynamic motion participates in controlling gene expression. The research team working under Maria-Elena Torres-Padilla, an Inserm research director at the Institute of Genetics ...
Cell & Microbiology
Oct 10, 2013
0
0
In the transmission of signals within the cell which, for example, stimulate cell growth or trigger metabolic processes, phosphate groups play an important biochemical role. The phosphate groups are often attached to proteins ...
Cell & Microbiology
Aug 25, 2020
0
15
