کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
575934 | 1453061 | 2015 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phytoremediation capacity of aquatic plants is associated with the degree of phytochelatin polymerization
ترجمه فارسی عنوان
ظرفیت فیزیوتراپی گیاهان آبزی با درجه پلیمریزاسیون فیتوهالیتین همراه است
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کلمات کلیدی
GSHGSSGCysPhytochelatinCysteinyl-glycineγ-glutamyl-cysteine - γ-گلوتامیل-سیستئینPCs - رایانه های شخصیphytochelatin synthase - سنتاز فیتوکلاتینCysteine - سیستئینLemna minor - لمن کوچکHeavy metal - هوی متال، فلز سنگینCadmium - کادمیمGlutathione - گلوتاتیونglutathione disulphide - گلوتاتیون دی سولفیدPhytoremediation - گیاه پالایی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
چکیده انگلیسی
Phytochelatins (PCs) play important role in phytoremediation as heavy metal binding peptides. In the present study, the association between heavy metal removal capacity and phytochelatin synthesis was compared through the examination of three aquatic plants: Elodea canadensis, Salvinia natans and Lemna minor. In case of a Cd treatment, or a Cd treatment combined with Cu and Zn, the highest removal capacity was observed in L. minor. At the same time, E. canadensis showed the lowest removal capacity except for Zn. The heavy metal-induced (Cu + Zn + Cd) oxidative stress generated the highest ascorbate level in L. minor. Cd in itself or combined with the other two metals induced a 10-15-fold increase in the amount of ɣ-glutamylcysteine in L. minor while no or smaller changes were observed in the other two species. Correspondingly, the total PC content was 6-8-fold greater in L. minor. In addition, PCs with higher degree of polymerization were only observed in L. minor (PC4, PC6 and PC7) while PC2 and PC3 occurred in E. canadensis and S. natans only. The correlation analysis indicated that the higher phytoremediation capacity of L. minor was associated with the synthesis of PCs and their higher degree of polymerization.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 299, 15 December 2015, Pages 371-378
Journal: Journal of Hazardous Materials - Volume 299, 15 December 2015, Pages 371-378
نویسندگان
Anamaria Török, Zsolt Gulyás, Gabriella Szalai, Gábor Kocsy, Cornelia Majdik,