MANGANESE AS ESSENTIAL AND TOXIC ELEMENT FOR PLANTS: TRANSPORT, ACCUMULATION AND RESISTANCE MECHANISMS
作者： R Millaleo , M Reyes- Diaz , A.G Ivanov , M.L Mora , M Alberdi
DOI: 10.4067/S0718-95162010000200008
关键词:
摘要: Manganese is an essential element for plants, intervening in several metabolic processes, mainly photosynthesis and as enzyme antioxidant-cofactor. Nevertheless, excess of this micronutrient toxic plants. Mn phytotoxicity manifested a reduction biomass photosynthesis, biochemical disorders such oxidative stress. Some studies on toxicity translocation from soil to plant cells Mn2+ form have demonstrated their importance under low pH redox potential conditions the soil. When inside cells, mechanisms that can tolerate are also observed, being important compartmentalization metal different organdies shoot leaf cells. A key role antioxidative systems plants relation high amounts has been reported defense mechanism. The purpose review show higher well transport tolerance mechanisms. forms dynamics soils acidity dynamic availability given.
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