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BACTERIA EVOLUTION
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~3.7 Billion years ago (shortly after LUCA)
First True Bacteria
Peptidoglycan cell wall and Ester-linked lipids
Evolution
About 3.7 billion years ago, but for sure after LUCA, the first bacteria emerged. While LUCA had the basic machinery to be alive, “True Bacteria” evolved specific structural and chemical “trademarks” that set them apart from LUCA and their cousins, the Archaea: peptidoglycan cell wall and ester-linked lipids.
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Bacteria Evolution
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