News tagged with chromosomal protein
New key mechanism in cell division discovered
Researchers from the Bellvitge Biomedical Research Institute (IDIBELL) have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The ...
May 18, 2012 |
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Mini cargo transporters on a rat run: New insight on molecular motor movement
Kinesins assume a vital function in our cells: The tiny cargo transporters move important substances along lengthy protein fibers and ensure an effective transportation infrastructure. Biophysicists of the ...
Apr 26, 2012 |
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Plant research reveals new role for gene silencing DICER protein
A DICER protein, known to produce tiny RNAs in cells, also helps complete an important step in gene expression, according to research on Arabidopsis thaliana.
Mar 29, 2012 |
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The proteins ensuring genome protection
Researchers from the University of Geneva (UNIGE), Switzerland, have discovered the crucial role of two proteins in developing a cell 'anti-enzyme shield'. This protection system, which operates at the level of molecular ...
Feb 12, 2012 |
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New method pinpoints important gene-regulation proteins
A novel technique has been developed and demonstrated at Penn State University to map the proteins that read and regulate chromosomes -- the string-like structures inside cells that carry genes. The specific ...
Jan 18, 2012 |
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Flatworms' minimalist approach to cell division reveals molecular architecture of human centrosome
Researchers at the University of California, San Francisco and the Stowers Institute for Medical Research have discovered that planarians, tiny flatworms fabled for their regenerative powers, completely lack ...
Jan 05, 2012 |
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Scientists show how cells accurately inherit information that is not contained in their genes
All 10 trillion cells in the adult human body are genetically identical, but develop into distinct cell types, such as muscle cells, skin cells or neurons, by activating some genes while inhibiting others. ...
Dec 12, 2011 |
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Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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Shaping up for cell division
The shape of chromosomes is determined by the relative levels of key protein complexes, research conducted by Keishi Shintomi and Tatsuya Hirano of the RIKEN Advanced Science Institute has shown.
Nov 04, 2011 |
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Scientists find a brake that acts when cellular motors run too far
(PhysOrg.com) -- An international team of scientists has shown how microtubules are interconnected into large networks. Like the poles of a tent, microtubules give shape to cells. By sliding microtubules along ...
Sep 05, 2011 |
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Scientists discover secret life of chromatin
Chromatin - the intertwined histone proteins and DNA that make up chromosomes – constantly receives messages that pour in from a cell’s intricate signaling networks: Turn that gene on. Stifle that one.
Sep 01, 2011 |
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Biologists' discovery may force revision of biology textbooks
Basic biology textbooks may need a bit of revising now that biologists at UC San Diego have discovered a never-before-noticed component of our basic genetic material.
Aug 18, 2011 |
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Fishing games gone wrong
When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory ...
Aug 18, 2011 |
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Scientists discover how molecular motors go into 'energy save mode'
The transport system inside living cells is a well-oiled machine with tiny protein motors hauling chromosomes, neurotransmitters and other vital cargo around the cell. These molecular motors are responsible ...
Aug 11, 2011 |
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Kinetochores prefer the 'silent' DNA sections of the chromosome
The protein complex responsible for the distribution of chromosomes during cell division is assembled in the transition regions between heterochromatin and euchromatin.
Jul 05, 2011 |
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