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The big clean up after stress

Toxic substances, nutrient shortage, viral infection, heat and many other events trigger stress responses in cells. In such cases, the affected cells launch a programme which tries to protect them against stress-related damages. ...

date8 hours ago in Cell & Microbiology
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How a cell knows when to divide

How does a cell know when to divide? We know that hundreds of genes contribute to a wave of activity linked to cell division, but to generate that wave new research shows that cells must first grow large enough to produce ...

dateMay 23, 2018 in Cell & Microbiology
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Remote control of transport through nanopores

In our bodies, the transfer of genetic information, viral infections and protein trafficking, as well as the synthesis and the degradation of biomolecules, are all phenomena that require the transport of molecules through ...

dateMay 22, 2018 in Nanophysics
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Artificial enzyme can activate a gene switch

Complex reaction cascades can be triggered in artificial molecular systems: Swiss scientists have constructed an enzyme than can penetrate a mammalian cell and accelerate the release of a hormone. This then activates a gene ...

dateMay 22, 2018 in Biochemistry
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