martes, 24 de abril de 2018

Structure and Function of the Cell Nucleus

Structure and Function of the Cell Nucleus



 
 April 24, 2018 
 Cell Biology 
 The latest cell & molecular biology news from News Medical 
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   Structure and Function of the Cell NucleusStructure and Function of the Cell Nucleus
 
The cell nucleus is an important organelle found in eukaryotic cells. Its roles include regulating all activity such as cellular metabolism and growth in addition to storing and maintaining the cell’s DNA for transcription and replication.
 
   Diffusion and Red Blood CellsDiffusion and Red Blood Cells
 
Animals breathe in oxygen, following which it must be delivered to all the organs in the body. This process involves red blood cells and diffusion.
 
 Scientists identify new DNA structure within living human cells
 
Scientists identify new DNA structure within living human cellsFor the first time, a team of researchers have identified a new DNA structure inside cells that has an entirely different shape to the iconic “double helix” shape uncovered by Watson and Crick in 1953.
 
 
 Waking up “sleeping” stem cells in the brain could improve its ability to repair injury
 
Waking up “sleeping” stem cells in the brain could improve its ability to repair injuryResearchers have identified a new type of stem cell that could boost the brain’s ability to repair damage caused by brain injury or disease.
 
 
 Novel microscope allows real-time, 3-D visualization of cells
 
Novel microscope allows real-time, 3-D visualization of cellsScientists at the Howard Hughes Medical Institute's Janelia Research Campus have developed a microscope which combines two imaging techniques to capture live 3-D images of cells.
 
 
 Breakthrough microscope revolutionizes live cell imaging of stem cells
 
Breakthrough microscope revolutionizes live cell imaging of stem cellsLong-term imaging of fine cellular dynamics is today’s biggest challenge in cell biology (Frechin et al., 2015; Kruse & Jülicher, 2005; Kueh, Champhekhar, Nutt, Elowitz, & Rothenberg, 2013; Skylaki, Hilsenbeck, & Schroeder, 2016) and studying stem cells is probably THE biggest challenge in today’s biological research.
 

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