The Effect of Recombinant Heavy Metal-Resistant Endophytic Bacteria on Heavy Metal Uptake by Their Host Plant
作者： C. Lodewyckx , S. Taghavi , M. Mergeay , J. Vangronsveld , H. Clijsters
DOI: 10.1080/15226510108500055
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摘要: ABSTRACT The ncc-nre nickel resistance system of Ralstonia metallidurans 31A was efficiently expressed in Burkholderia cepacia L.S.2.4 and Herbaspirillum seropedicae LMG2284. heterologous expression encoded accompanied by removal from the culture medium. B. L.S.2.4:: H. LMG2284::ncc-nre were able to remove 35 15% nickel, respectively. capacity through sequestration or bio-precipitation processes consequently lowering free concentration could offer interesting benefits for these endophytic bacteria their host plants. Once inoculated plant, they possibly alter speciation therefore decrease ions thus toxic plant metabolism. Lupinus luteus L, when grown on a enriched substrate with L.S.2.4::ncc-nre, showed significant increase (30%) roots, whereas nickel...
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