News tagged with mitosis
Death, division or cancer? Newly discovered checkpoint process holds the line in cell division
Jul 01, 2008 |
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Each day, a staggering number of cells perform a feat that still amazes researchers with its complexity: they divide to produce perfect replicas of each other. The process is called mitosis, and an inability to control it ...
Is this the beginning of the end of plant breeding?
Jun 09, 2009 |
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No human is a clone of their parents but the same cannot be said for other living things. While your DNA is a combination of half your mother and half your father, other species do things differently. The advantage of clonal ...
'Birth control' for centrioles
Biology /
Jan 26, 2009 |
4 / 5 (2) |
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Like DNA, centrioles need to duplicate only once per cell cycle. Rogers et al. uncover a long-sought mechanism that limits centriole copying, showing that it depends on the timely demolition of a protein that ...
Aurora B answers an XIST-ential question
Aug 24, 2009 |
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Early in development, mammalian female cells counteract their double dose of X chromosomes by coating one of them with a large RNA named XIST. The RNA binds to the same X chromosome from which it is transcribed ...
Researchers determine the composition of centromeric chromatin
Sep 28, 2009 |
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The Stowers Institute's Gerton Lab has provided new evidence to clarify the structure of nucleosomes containing Cse4, a centromere-specific histone protein required for proper kinetochore function, which plays a critical ...
