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How did early primordial cells evolve?

Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...

dateFeb 28, 2013 in Cell & Microbiology
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'Stressed' bacteria become resistant to antibiotics

Bacteria become resistant to antibiotics when stressed, finds research published in BioMed Central's open access journal BMC Evolutionary Biology. In particular E. coli grown at high temperatures become resistant to rifampicin.

dateFeb 21, 2013 in Evolution
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