Girl Planting seeds

End of ageing and cancer? Scientists unveil structure of the 'immortality' enzyme telomerase

A study, published in Nature, presents detailed images of a crucial anti-ageing enzyme known as telomerase – raising hopes that we can soon slow ageing and cure cancer.  Every organism packages its DNA into chromosomes. In simple bacteria like E. coli this is a single small circle. More complex organisms have far more DNA and multiple linear chromosomes. These probably appeared because they provided an evolutionary advantage, but they also come with a downside. Read more...

 

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