| 摘要 |
Patent No. 598789 Disclosed is a bacterium comprising at least one transgenic chelator agent from among a mammalian metallothionein (mt) gene, a beta-galactosidase (beta-gal) gene, or a polyphosphate kinase (ppk) gene, wherein the expressed chelator agent is not a fusion protein, wherein the bacterium is not engineered for co-expression of mer genes, and wherein the bacterium is resistant to at least one heavy metal, wherein when the heavy metal is mercury, the bacterium resists between at least 20 muM and about 100 muM mercury. |
