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1. Long-term manganese-toxicity-induced alterations of physiology and leaf protein profiles in two Citrus species differing in manganese-tolerance

Author:
Xiang You; Lin-Tong Yang; Yi-Ping Qi; Peng Guo; Ning-Wei Lai; Xin Ye; Qiang Li; Li-Song Chen
Source:
Journal of plant physiology 2017 v.218 pp. 249-257
ISSN:
0176-1617
Subject:
Citrus maxima; Citrus sinensis; amino acid metabolism; cytoskeleton; energy; leaf protein; leaves; manganese; photorespiration; protein composition; pummelos; reactive oxygen species; roots; seedlings; signal transduction; stress response; two-dimensional gel electrophoresis
Abstract:
... Manganese (Mn)-intolerant ‘Sour pummelo’ (Citrus grandis) and Mn-tolerant ‘Xuegan’ (Citrus sinensis) seedlings were irrigated for 17 weeks with 2 (control) or 600μM (Mn-toxicity or −excess) MnSO4. C. sinensis had higher Mn-tolerance than C. grandis, as indicated by the higher photosynthesis rates in Mn-excess C. sinensis leaves. Under Mn-toxicity, Mn levels were similar between C. sinensis and C. ...
DOI:
10.1016/j.jplph.2017.08.011