Bioreduction of environmental Al by Lisianthus plant

Subject Areas : Developmental biology of plants and animals , development and differentiation in microorganisms

Faeze Ghanati ¹ , Zeynab Hashemi ²

1 - Department of Plant Biology, Faculty of Biological Science, TarbiatModares University, Tehran, Iran.
2 - Department of Plant Biology, Faculty of Biological Science, TarbiatModares University, Tehran, Iran.

Received: 2015-12-19 Accepted : 2016-03-09 Published : 2016-05-21

Keywords: Lisianthus, Oxidative stress, drinking water, Aluminum, Antioxidant system,

Abstract :

Aluminum is a trivalent metal which due to its abundance in the earth's crust is one of the major environmental problems.Cation Al3+ in acidic soils is a key factor in the decline of agricultural production. Abundance of Al in water, air and soil around us results in its uptake and accumulation in the body. Aluminum consumption in the form of antacids and drugs with aluminum hydroxide, Al presence in drinking water and food consumption for baking powder or cheeses is very common. On the other hand may also cause diseases such as Alzheimer's, osteoporosis, calcium deficiency, acute neurological disease, anemia, headache, decreased kidney function and bladder, slurred speech and loss of memory.  Identifying plants bearing the ability to absorb high amounts of Al and continuous growth without toxicity can be considered as an effective step in refining the soil and water from this element. The aim of this study is the investigation on the Al uptake capacity of Lisianthus aluminum in a hydroponic system. For this purpose, Lisianthus seedlings in hydroponic culture were treated with 400, 600, 800 and 1200 µM of Al for 10 days. The results showed no significant increase in superoxide anion and hydrogen peroxide as an indicator of stress in the roots. As well as the punctual increase iron regenerative power (FRAP) in the group treated with aluminum compared to the control group suggesting a high antioxidant power Lisianthus against aluminum. . The results suggest that Lisianthus can be used to reduce the concentration of Al in the environment.  

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