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There's some news about the first time a complete bacterium has been completely simulated on computers: actual lab and media report. Apparently though, it's based on one of the most incredibly simple bacteria known (some form of STD...) so it's not of immediate environmental use, but it's a step in the direction of being able to simulate more interesting things both to understand/predict existing organisms and if it becomes necessary to modify some to create specialist purpose ones.
(Heard about this on radio while painting.)