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- Title
Dysfunction of Rice Mitochondrial Membrane Induced by Yb3+.
- Authors
Gao, Jia-Ling; Wu, Man; Liu, Wen; Feng, Zhi-Jiang; Zhang, Ye-Zhong; Jiang, Feng-Lei; Liu, Yi; Dai, Jie
- Abstract
Ytterbium (Yb), a widely used rare earth element, is treated as highly toxic to human being and adverseness to plant. Mitochondria play a significant role in plant growth and development, and are proposed as a potential target for ytterbium toxicity. In this paper, the biological effect of Yb(3+) on isolated rice mitochondria was investigated. We found that Yb(3+) with high concentrations (200 ~ 600 μM) not only induced mitochondrial membrane permeability transition (mtMPT), but also disturbed the mitochondrial ultrastructure. Moreover, Yb(3+) caused the respiratory chain damage, ROS formation, membrane potential decrease, and mitochondrial complex II activity reverse. The results above suggested that Yb(3+) with high concentrations could induce mitochondrial membrane dysfunction. These findings will support some valuable information to the safe application of Yb-based agents.
- Subjects
PLANT growth; MITOCHONDRIAL membrane abnormalities; YTTERBIUM; MEMBRANE permeability (Biology); PLANT development; PROTEIN metabolism; REACTIVE oxygen species; BIOCHEMISTRY; BIOLOGICAL transport; CELL membranes; CHEMICAL elements; ELECTRON transport; PHENOMENOLOGY; MITOCHONDRIA; ACYCLIC acids
- Publication
Journal of Membrane Biology, 2015, Vol 248, Issue 6, p1159
- ISSN
0022-2631
- Publication type
journal article
- DOI
10.1007/s00232-015-9833-6