Next Article in Journal
Developing a National Research Agenda to Support Healthy Food Retail
Previous Article in Journal
COVID-19 Emergency Management: From the Reorganization of the Endoscopy Service to the Verification of the Reprocessing Efficacy
Open AccessArticle

Exogenous Glutathione Alleviation of Cd Toxicity in Italian Ryegrass (Lolium multiflorum) by Modulation of the Cd Absorption, Subcellular Distribution, and Chemical Form

1
College of Life and Geographic Sciences, Kashi University, Kashi 844006, China
2
College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(21), 8143; https://doi.org/10.3390/ijerph17218143
Received: 3 October 2020 / Revised: 29 October 2020 / Accepted: 3 November 2020 / Published: 4 November 2020
Subcellular fractions and the chemical forms of cadmium (Cd) reflect its level of toxicity to plants; however, these effects of exogenous glutathione (GSH) are poorly understood. We exposed two Italian ryegrass (Lolium multiflorum) cultivars (IdyII and Harukaze) to 50 µM Cd or 200 µM GSH to investigate the effect of GSH on the Cd uptake, subcellular compartments, and chemical forms. Cd significantly inhibited the plant growth, while GSH supplementation decreased this inhibition. The application of GSH significantly improved the Cd concentration in the roots but reduced that in the shoots and decreased the Cd translocation from root to shoot. The Cd concentration of the root in the cell wall was increased while the concentration in the soluble fraction was decreased when supplied with GSH. The inorganic form (80% ethanol for Cd extraction) in the roots was significantly reduced when treated with GSH. The Cd form extracted by 2% acetic acid (HAC) with low toxicity and immobility were greatly increased. In leaves, the application GSH decreased in any form of Cd form extracted. In conclusion, exogenous GSH decreased the translocation of Cd and alleviated Italian ryegrass Cd toxicity by accumulating more Cd in the root cell wall and immobilizing more Cd in lower toxicity fractions. View Full-Text
Keywords: absorption; cadmium; chemical form; GSH; Italian ryegrass; subcellular distribution absorption; cadmium; chemical form; GSH; Italian ryegrass; subcellular distribution
Show Figures

Figure 1

MDPI and ACS Style

Fang, Z.; Hu, Z.; Yin, X.; Song, G.; Cai, Q. Exogenous Glutathione Alleviation of Cd Toxicity in Italian Ryegrass (Lolium multiflorum) by Modulation of the Cd Absorption, Subcellular Distribution, and Chemical Form. Int. J. Environ. Res. Public Health 2020, 17, 8143. https://doi.org/10.3390/ijerph17218143

AMA Style

Fang Z, Hu Z, Yin X, Song G, Cai Q. Exogenous Glutathione Alleviation of Cd Toxicity in Italian Ryegrass (Lolium multiflorum) by Modulation of the Cd Absorption, Subcellular Distribution, and Chemical Form. International Journal of Environmental Research and Public Health. 2020; 17(21):8143. https://doi.org/10.3390/ijerph17218143

Chicago/Turabian Style

Fang, Zhigang; Hu, Zhaoyang; Yin, Xinqiang; Song, Gang; Cai, Qingsheng. 2020. "Exogenous Glutathione Alleviation of Cd Toxicity in Italian Ryegrass (Lolium multiflorum) by Modulation of the Cd Absorption, Subcellular Distribution, and Chemical Form" Int. J. Environ. Res. Public Health 17, no. 21: 8143. https://doi.org/10.3390/ijerph17218143

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop