News tagged with nucleus

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Making and breaking heterochromatin

To fit the two-meter long DNA molecule into a cell nucleus that is only a few thousandths of a millimetre in size, long sections of the DNA must be strongly compacted. Epigenetic marks maintain these sections, ...

Sep 25, 2012
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Discovery of the "Pigtail" molecular cloud

A research team of the Department of Physics, Keio University, has discovered a molecular cloud with a peculiar helical structure by observation with the NRO 45m Telescope at Nobeyama Radio Observatory, National ...

Sep 10, 2012
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Biophysicists unravel secrets of genetic switch

When an invading bacterium or virus starts rummaging through the contents of a cell nucleus, using proteins like tiny hands to rearrange the host's DNA strands, it can alter the host's biological course. The invading proteins ...

Aug 30, 2012
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