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The tight wrapping of genomic DNA around nucleosomes in the cell nucleus makes it unavailable for gene expression. A team of Ludwig-Maximilians-Universitaet (LMU) in Munich now describes a mechanism that allows chromosomal DNA to be... Read Post
The organelles of photosynthesis -- the chloroplasts -- have their own DNA, messenger RNA and ribosomes for forming proteins. Scientists have now discovered how to regulate the formation of proteins in the chloroplasts. They can use... Read Post
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. Since then, they have l... Read Post