Transport and detoxification of manganese and copper in plants
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Heavy metals like Mn and Cu, though essential for normal plant growth and development, can be toxic when present in excess in the environment. For normal plant growth maintenance of metal homeostasis is important. Excess uptake of redox active elements causes oxidative destruction. Thus, uptake, transport and distribution within the plant must be strongly controlled. Regulation includes precisely targeted transport from the macro-level of the tissue to the micro-level of the cell and organelles. Membrane transport systems play very important roles in metal trafficking. This review provides a broad overview of the long distance and cellular transport as well as detoxification and homeostasis mechanisms of Mn and Cu, which are essential micronutrients but extremely toxic at elevated concentrations.
Subfields: Plant Science
View Paper: https://www.semanticscholar.org/paper/89261bbdbb5269d353efd650d8a986533538cf24
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In Plant Science
Citations in the corpus
- Making the life of heavy metal-stressed plants a little easier. (2005, background): “Other micronutrients such as copper (Cu) and manganese (Mn) may also cause oxidative stress when present in excess (Ducic and Polle 2005).”
- Metal hyperaccumulation and bioremediation (2007, background): “Plant species differ considerably in their normal Mn leaf concentration: 0.30 - 5.0 g(Mn) kg-1(d.m.), Clarkson 1988, Ducic and Polle 2005).”
- Manganese Supply and pH Influence Growth, Carboxylate Exudation and Peroxidase Activity of Ryegrass and White Clover (2007, positive): “5 Mn deficiency may occur ( Ducic and Polle, 2005 ).”
- MANGANESE AS ESSENTIAL AND TOXIC ELEMENT FOR PLANTS: TRANSPORT, ACCUMULATION AND RESISTANCE MECHANISMS (2010, background): “, 2004) and assimilation of nitrate (Ducic and Polle, 2005).”
- Copper‐induced stress in Solanum nigrum L. and antioxidant defense system responses (2013, background): “…by drought, salinity, metal stress, and UV light (Szabados and Savour e 2009; Gill and Tuteja 2010), and free proline accumulation has been observed in response to a wide range of biotic and abiotic stresses in plants (Du ci c and Polle 2005; Sharma and Dietz 2006; Verbruggen and Hermans 2008).”