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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:
You, Xiang; Yang, Lin-Tong; Qi, Yi-Ping; Guo, Peng; Lai, Ning-Wei; Ye, Xin; Li, Qiang; Chen, Li-Song
Source:
Journal of plant physiology 2017 v.218 pp. 249-257
ISSN:
0176-1617
Subject:
roots,   etc   ; Citrus maxima; Citrus sinensis; amino acid metabolism; cytoskeleton; energy; leaf protein; leaves; manganese; photorespiration; protein composition; pummelos; reactive oxygen species; seedlings; signal transduction; stress response; two-dimensional gel electrophoresis;     Show all 17 Subjects
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

2. Proteomic changes of Citrus roots in response to long-term manganese toxicity

Author:
You, Xiang; Yang, Lin-Tong; Lu, Yi-Bin; Li, Huan; Zhang, Shi-Qi; Chen, Li-Song
Source:
Trees 2014 v.28 no.5 pp. 1383-1399
ISSN:
0931-1890
Subject:
roots,   etc   ; Citrus maxima; Citrus sinensis; carbohydrates; carbon; cell walls; cytoskeleton; energy metabolism; fatty acid metabolism; functional properties; gene expression regulation; glycolysis; manganese; nucleic acids; plant proteins; protein synthesis; proteomics; pummelos; seedlings; shoots; signal transduction; stress response; toxicity; two-dimensional gel electrophoresis;     Show all 24 Subjects
Abstract:
... KEY MESSAGE : Fifty-three and thirty-nine differentially expressed protein spots were isolated from Mn-toxic Citrus sinensis and Citrus grandis roots, respectively. Mn-toxicity-induced changes in protein profiles greatly differed between the two species. Limited information is available on the manganese (Mn)-toxicity-responsive proteins in plant roots. ‘Sour pummelo’ (Citrus grandis) and ‘Xuegan’ ...
DOI:
10.1007/s00468-014-1042-x