Discovery in yeast opens door to new source of information on DNA damage, repair, and cancer
The discovery in yeast cells of a genetic network that guards against lethal DNA damage is a first step in the creation of a database of disease-causing combinations of mutated human genes, according to researchers at The Johns Hopkins University School of Medicine led by Jef. D. Boeke, Ph.D. In a report in the March 10 issue of Cell, the Hopkins team described a genetic network that is necessary for ensuring genomic stability in yeast. This study also identified previously unrecognized genes critical for maintaining DNA integrity and novel functions for well-known genes.
"A lot of human diseases are caused by multiple gene mutations that are difficult to identify," said Boeke, who is a professor of molecular biology and genetics and director of the High Throughput Biology Center at the Hopkins School of Medicine.
Eric Vohr | EurekAlert!
Climate Impact Research in Hannover: Small Plants against Large Waves
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Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
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