OHSU scientists using Xenopus eggs demonstrate Fanconi genes importance to DNA duplication, repair
A large, clawed frog is helping Oregon Health & Science University researchers gather a princely sum of knowledge on Fanconi anemia, a rare, genetic, cancer-susceptibility syndrome.
Scientists in the OHSU School of Medicines Department of Biochemistry and Molecular Biology are the first to report a new approach using eggs of the African clawed frog, which goes by the Latin name Xenopus laevis, to understand how the Fanconi anemia proteins ensure that DNA is replicated properly, according to a study published this month in the journal Molecular and Cellular Biology.
Jonathan Modie | EurekAlert!
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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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