Accumulation of toxic metal ions on cell walls of Datura innoxia suspension cell cultures
In Vitro Cellular & Developmental Biology – Plant(1993)
摘要
Summary Rapidly dividing cell suspension cultures derived fromDatura innoxia (Mill.) selectively remove certain toxic metal ions from nutrient and waste solutions. Many ions, including necessary micronutrients,
bind tightly to different components of the primary cell wall. Cell viability is not required for metal chelation to the extracellular
matrix, and biopolymers purified from these cultures can be used to selectively remove metal ions from waste streams. Binding
of normally toxic metals to the primary cell wall significantly reduces their toxicity. Chemical and metal luminescence methods
that generate information about metal binding and cell-wall components responsible for this are presented. The feasibility
of using plant cells and their components for bioremediation is discussed.
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关键词
metal ion,cell viability,extracellular matrix,cell culture,cell wall,plant cell wall,primary cell wall
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