Last Bacterial Common Ancestor (LBCA)

Cell biology Evolution horizontal gene transfer Intelligent Design

Researchers: The last bacterial common ancestor had a flagellum

Question: If the last common ancestor of the bacterium had a flagellum, what do we really know about the evolution of the flagellum? Isn’t that a bit like finding a stone laptop in a Neanderthal cave? That said, it’s nice to see horizontal gene transfer getting proper recognition.

Evolution Genomics horizontal gene transfer Intelligent Design

Researchers search for the “last bacterial common ancestor” in a world of horizontal gene transfer

One senses that the reconstruction will be subject to considerable revision. It’s not entirely clear what “ancestry” means in a world of rampant horizontal gene transfer.

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