Next Article in Journal
Preparation of A Spaceflight: Apoptosis Search in Sutured Wound Healing Models
Next Article in Special Issue
Addendum: Cechová, M. et al. Towards Better Understanding of Pea Seed Dormancy Using Laser Desorption/Ionization Mass Spectrometry. Int. J. Mol. Sci. 2017, 18, 2196
Previous Article in Journal
Glycoprotein 90K Promotes E-Cadherin Degradation in a Cell Density-Dependent Manner via Dissociation of E-Cadherin–p120-Catenin Complex
Previous Article in Special Issue
Effect of Low Temperature Cultivation on the Phytochemical Profile and Bioactivity of Arctic Plants: A Case of Dracocephalum palmatum
Article Menu
Issue 12 (December) cover image

Export Article

Open AccessArticle
Int. J. Mol. Sci. 2017, 18(12), 2570; doi:10.3390/ijms18122570

Sulfur-Mediated-Alleviation of Aluminum-Toxicity in Citrus grandis Seedlings

Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China
Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou 350002, China
Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, FAFU, Fuzhou 350002, China
The Higher Education Key Laboratory of Fujian Province for Soil Ecosystem Health and Regulation, College of Resources and Environment, FAFU, Fuzhou 350002, China
Author to whom correspondence should be addressed.
Received: 28 October 2017 / Revised: 25 November 2017 / Accepted: 26 November 2017 / Published: 3 December 2017
(This article belongs to the Special Issue Metabolomics in the Plant Sciences 2017)
View Full-Text   |   Download PDF [1801 KB, uploaded 3 December 2017]   |  


Limited data are available on the sulfur (S)-mediated-alleviation of aluminum (Al)-toxicity in higher plants. Citrus grandis seedlings were irrigated for 18 weeks with 0.5 mM MgSO4 or 0.5 mM MgSO4 + 0.5 mM Na2SO4, and 0 (−Al) or 1 mM AlCl3·6H2O (+Al, Al-toxicity). Under Al-toxicity, S decreased the level of Al in leaves; increased the relative water content (RWC) of roots and leaves, the contents of phosphorus (P), calcium (Ca) and magnesium (Mg) per plant, the dry weights (DW) of roots and shoots, the ratios of root DW/shoot DW, and the Al-induced secretion of citrate from root; and alleviated the Al-induced inhibition of photosynthesis via mitigating the Al-induced decrease of electron transport capacity resulting from the impaired photosynthetic electron transport chain. In addition to decreasing the Al-stimulated H2O2 production, the S-induced upregulation of both S metabolism-related enzymes and antioxidant enzymes also contributed to the S-mediated-alleviation of oxidative damage in Al-treated roots and leaves. Decreased transport of Al from roots to shoots and relatively little accumulation of Al in leaves, and increased leaf and root RWC and P, Ca, and Mg contents per plant might also play a role in the S-mediated-alleviation of Al-toxicity. View Full-Text
Keywords: aluminum-toxicity; antioxidant enzymes; Citrus grandis; photosynthesis; sulfur metabolism aluminum-toxicity; antioxidant enzymes; Citrus grandis; photosynthesis; sulfur metabolism

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Supplementary material

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Guo, P.; Li, Q.; Qi, Y.-P.; Yang, L.-T.; Ye, X.; Chen, H.-H.; Chen, L.-S. Sulfur-Mediated-Alleviation of Aluminum-Toxicity in Citrus grandis Seedlings. Int. J. Mol. Sci. 2017, 18, 2570.

Show more citation formats Show less citations formats

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

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top