News tagged with expression

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New form of mRNA regulation characterized

RNA, once thought to be a mere middleman between DNA and protein, is now recognized as the stage at which a host of regulatory processes can act to allow for flexibility in gene expression and thus the functions of cells ...

dateNov 23, 2015 in Cell & Microbiology
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A witness to a wet early mars

Vast volumes of water once flooded through this deep chasm on Mars that connects the 'Grand Canyon' of the Solar System – Valles Marineris – to the planet's northern lowlands.

dateNov 23, 2015 in Space Exploration
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Using evolution to identify cell types

Despite similarities in form, function, and even DNA, cells that appear to be related may have traversed very different evolutionary paths. Science magazine spotlights a new approach to identifying cell types based on a recent ...

dateNov 10, 2015 in Cell & Microbiology
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Why some genes are highly expressed

The DNA in our cells is folded into millions of small packets, like beads on a string, allowing our two-meter linear DNA genomes to fit into a nucleus of only about 0.01 mm in diameter. However, these molecular beads, called ...

dateNov 05, 2015 in Cell & Microbiology
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Shining a light on the aurora of Mars

ESA's Mars Express has shed new light on the Red Planet's rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere.

dateNov 05, 2015 in Space Exploration
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