Bacterial communities 'hitchhiking' on marine plastic trash

2019-12-04

University of British Columbia (UBC) researchers, and collaborators from the universities of Alberta, Tübingen, Autònoma de Barcelona and the Georgia Institute of Technology, found that ancestors of modern bacteria cultured from an iron-rich lake in the Democratic Republic of Congo could have been key to keeping Earth's dimly lit early climate warm, and informing the world's largest iron ore deposits billions of years ago.

Once hidden cellular structures emerge in fight against viruses

2019-12-04

Enzymes are proteins within living cells that speed up chemical reactions. Some enzymes can assume multiple shapes, each with a different function, and toggle between them. In this case, a specific enzyme -- SgrAI -- has a shape that slowly cuts invasive DNA. However, when many such enzymes link up and wrap around a length of DNA, they create a filament that increases DNA-cleaving ability by 200 times.

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Bacterial communities 'hitchhiking' on marine plastic trash

Once hidden cellular structures emerge in fight against viruses

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Bacterial communities 'hitchhiking' on marine plastic trash

Once hidden cellular structures emerge in fight against viruses