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2016 | 25 | 1 |
Tytuł artykułu

Effect of cadmium on DNA changes in Ipomoea aquatica Forssk

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Cadmium (Cd) contamination in plants fertilized with inorganic fertilizers is a major risk to human health. Ipomoea aquatica Forssk., which is one of the most popular vegetables used in Thai cuisine, is also vulnerable to Cd contamination. This study aimed to investigate Cd accumulation in Ipomoea aquatica Forssk. and the associated changes in its DNA. The plant was grown in soil supplemented with Cd at 0, 15, 30, 60, and 120 mg/kg. After 21 days, accumulation in the roots, stems, and leaves was analyzed using atomic absorption spectrophotometry (AAS), and the bioconcentration (BCF) and translocation factors (TF) were analyzed. DNA changes were assessed by a combination of random amplified polymorphic DNA (RAPD) and genomic template stability (GTS) tests. Cd concentrations in the roots, stems, and leaves ranged from 0 to 12,333 mg/kg, 0 to 5,909.27 mg/kg, and 0 to 1,653.26 mg/kg, respectively. The BCF and TF values ranged from 0 to 21.15 and 0 to 1.21, respectively. From the RAPD profiles, the GTS values ranged from 52.3 to 91.1%. Taken together, these results indicate that I. aquatica is a Cd-hyperaccumulator; therefore, consuming I. aquatica plants grown in Cd-polluted areas is a health risk.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
25
Numer
1
Opis fizyczny
p.311-315,fig.,ref.
Twórcy
autor
  • Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham 44150, Thailand
  • Genetics and Environmental Toxicology (GET) Research Group, Khon Kaen University, Khon Kaen 40002, Thailand
autor
  • Genetics and Environmental Toxicology (GET) Research Group, Khon Kaen University, Khon Kaen 40002, Thailand
  • Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
  • Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham 44150, Thailand
  • Genetics and Environmental Toxicology (GET) Research Group, Khon Kaen University, Khon Kaen 40002, Thailand
  • Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
Bibliografia
  • 1. MANAHAN S.E. Toxicological Chemistry Biochemistry. CRC Press; 449, USA, 2003.
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  • 3. WHO. Evaluation of certain food additives and contaminants: forty-first report of the Joint FAO/WHO Expert Committee on Food Additives. WHO Technical Report Series; 837, 1993.
  • 4. MINISTRY OF PUBLIC HEALTH, THAILAND. Announcement of Ministry of Public Health No. 98 (1986), Standard Level on Contaminants in Foods, 1986.
  • 5. THE COMMISSION OF THE EUROPEAN COMMUNITIES. Commission Regulation (EC) No 1881/2006 of 19 December 2006 setting maximum levels for certain contaminants in foodstuffs. Official Journal of the European Union, 364, 24, 2006.
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  • 7. ATIENZAR F.A., CONRADI M., EVENDEN A.J., JHA A.N., DEPLEDGE M.H. Qualitative assessment of genotoxicity using random amplified polymorphic DNA: comparison of genomic template stability with key fitness parameters in Daphnia magna exposed to benzo[a]pyrene. Environ. Toxicol. Chem., 18 (10), 2275, 1999.
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  • 16. SUN Y., ZHOU Q., WANG L., LIU W. Cadmium tolerance and accumulation characteristics of Biden spilosa L. as a potential Cd-hyperaccumulator. J. Hazard. Mater., 161, 808, 2009.
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
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