Have model organisms evolved too far?

A model organism used in laboratories for the past 100 years has evolved so extensively that it may no longer be fit for purpose.

Copying nature to help plants resist viruses

For thousands of years, crops have been shaped by domestication processes. Farmers cross-breed and select new varieties, adapted to constantly changing environments. Although efficient, this process is time consuming. Moreover, ...

Why synonymous mutations are not always silent

New modeling shows how synonymous mutations—those that change the DNA sequence of a gene but not the sequence of the encoded protein—can still impact protein production and function. A team of researchers led by Penn ...

Study finds effect of Earth's orbit on ancient microorganisms

Curtin University researchers studying molecular fossils or "biomarkers" from deep beneath the Chicxulub impact crater have found evidence of how microorganisms changed in response to fluctuations in the Earth's climate, ...

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