News tagged with chromosome movement
Single molecule tracking helps reveal mechanism of chromosome separation in dividing cells
Mar 06, 2009 |
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(PhysOrg.com) -- University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division. The apparatus is called a spindle ...
Scientists probe mechanism of asymmetry in meiotic cell division
Biology /
Oct 07, 2008 |
4.3 / 5 (3) |
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The Stowers Institute's Rong Li Lab has characterized a mechanism that allows for asymmetrical cell division during meiosis in oocytes. By tracking chromosome movement in live mouse oocytes, the team discovered that chromosomes ...
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Researchers characterize novel regulator of chromosome function
Biology /
Mar 10, 2008 |
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The Stowers Institute's Workman Lab has shed new light on a novel histone acetyltransferase protein complex called ATAC. Acetyltransferases are enzymes that introduce a new acetyl functional group into histone proteins, a ...
Dartmouth researchers find new protein function
Biology /
Jan 09, 2009 |
4 / 5 (1) |
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A group of Dartmouth researchers has found a new function for one of the proteins involved with chromosome segregation during cell division. Their finding adds to the growing knowledge about the fundamental ...
Portuguese scientists working on chromosome segregation
Jul 01, 2009 |
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Lars Jansen's work on the formation of the centromere, a key cellular structure in powering and controlling chromosome segregation and accurate cell division, has just earned him a paper in Nature Cell Bi ...
How cells handle broken chromosomes
Feb 13, 2009 |
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(PhysOrg.com) -- After being recognized and initially processed by the cellular machinery, the broken chromosome is extensively scanned for homology and the break itself is later tethered to the nuclear envelope. Thus the ...
Amount of gene surplus determines severity of mental retardation in males
Dec 10, 2009 |
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Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; ...
Genome sequence for the domestic horse unveiled
Nov 05, 2009 |
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The whole genome sequence of the domestic horse has been completed by the genome-sequencing center of The Broad Institute of MIT and Harvard, in collaboration with an international team of researchers that ...
Cloning plants from seeds
Dec 15, 2009 |
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(PhysOrg.com) -- Wageningen geneticists (The Netherlands) are developing a method to replicate the parents of a chosen plant. Known as 'reverse breeding', this will have a big impact for the breeding industry.
Chromosomes dance and pair up on the nuclear membrane (w/ Video)
Nov 13, 2009 |
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(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the ...
Study uses genetic evidence to trace ancient African migration
Biology /
Aug 04, 2008 |
4.6 / 5 (17) |
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Stanford University researchers peering at history's footprints on human DNA have found new evidence for how prehistoric people shared knowledge that advanced civilization.
Study yields secrets of chromosome movement
Jun 15, 2007 |
4.3 / 5 (3) |
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Investigators at St. Jude Children's Research Hospital have used the lowly yeast to gain insights into how a dividing human cell ensures that an identical set of chromosomes gets passed on to each new daughter cell. Errors ...
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