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Posts Tagged "fruit flies"

Observations

Why Don’t Grasshoppers Catch Colds?

File this under things you never thought to ask: Why are grasshoppers and other insects resistant to so many different infections? Jules Hoffmann asked himself that question nearly fifty years ago and in the process of trying to figure out the answer, he eventually won a share of the 2011 Nobel Prize in Physiology or [...]

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Observations

Fruit Flies Aid Efforts to Develop Personalized Cancer Treatments

For years clinicians have puzzled over the observation that people with type 2 diabetes are more likely to develop certain malignancies, such as pancreatic, breast and liver cancers. The reason behind their confusion: standard biological principles predict that, if anything, folks with diabetes should suffer fewer tumors, not more of them. However, new research on [...]

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Observations

Green Glow Shows RNA Editing in Real Time

glowing green genes show RNA activation in vivo

It’s a long way from gene to protein. The dogmatic scenario is: DNA gets transcribed into RNA, which gets translated into protein. But in real life, and in real living things, the workings aren’t quite that simple. One example: individual units of RNA sometimes need to be converted, in what’s called RNA editing, into related [...]

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Observations

Why the Best Male Doesn’t Always Win

sexual selection male flies

NORMAN, Okla.—Survival of the fittest really boils down to reproduction of the fittest. If an animal can survive long enough to pass on its genes to a new generation, it has won out in the evolutionary competition. So, understandably, many animals put a lot of effort into attracting the attention of the opposite sex, explained [...]

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