News tagged with drosophila

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Protecting cells from their neighbors

Almost all organisms evolve from a single cell, a fertilised egg. In the first hours after fertilisation, the fate of its future development is determined. It is dictated by the separation of cells that will become sperm ...

Aug 03, 2009
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Fruit flies sick from mating

Mating can be exhausting. When fruit flies mate, the females' genes are activated to roughly the same extent as when an immune reaction starts. This is shown in a study at Uppsala University that is now appearing ...

Feb 19, 2009
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Siestas Among the Drosophilae

(PhysOrg.com) -- Isaac Edery is concerned with biological clocks, internal mechanisms that enable virtually all plants and animals to behave in rhythmic biological cycles known as circadian rhythms.

Jan 28, 2009
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'Birth control' for centrioles

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 ...

Jan 26, 2009
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