<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.aina zilizokuzwa km e. koli k12 zinaishi vizuri katika mazingira ya maabara, na, tofauti na aina zisizokuzwa, zimepoteza uwezo wao wa kustawi katika utumbo.  <response>: cultivated strains e.g. e. coli k12 are well-adapted to the laboratory environment, and, unlike wild-type strains, have lost their ability to thrive in the intestine. 