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As you probably know, my specialty are birds, so writing this series on clocks in microorganisms was quite an eye-opener for me and I have learned a lot. The previous two posts cover the clocks in the ...

Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic ...

A Japanese research team has studied ancient timekeeping systems to better understand the circadian clock in modern cyanobacteria. The researchers compared the functions of ancestral Kai proteins with ...

Often it is the chemical structure of individual bacterial cells that enables them to resist the onslaught of antibiotics. If, for example, a patient fails to take a full course of antibiotics, ...

Evolution is often thought of as a process that takes millions of years, but that's not always the case. Single-celled organisms, in particular, ride an evolutionary fast track. Within weeks, a ...