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Originally Posted by Fishteacher73
Is this set of bacteria just more "fit" and out competes the original population? Does each individual have the same grouping of oral bacteria, or is it an individualized fauna? If not individualized, is it regionaliized? Perhaps another forensic tool.....
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Apparently, they just kill off the old population with drugs, introduce the new population, and allow the bigger population advantage to exclude any survivors from the origional mouth. Most likely, given a while, the genes would be diluted and a new batch would need to go in, Im not sure, the study didn't address that. It's basically an identical bacteria, with a single gene (the lactic acid gene? i think that's the acid involved in tooth decay) being removed.
