ArticleJournal of plant research2012
Protein dynamics during seed germination under copper stress in Arabidopsis over-expressing Potentilla superoxide dismutase.
Article in Journal of plant research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 42 citations in OpenAlex.
- Proteomic analysis reveals distinct germination strategies in polymorphic fruits of Haloxylon ammodendron.Planta · 2025Article
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- Excess Copper-Induced Alterations of Protein Profiles and Related Physiological Parameters in Citrus Leaves.Plants (Basel, Switzerland) · 2020Article
- Effects of green seaweed extract on Arabidopsis early development suggest roles for hormone signalling in plant responses to algal fertilisers.Scientific reports · 2019Article
- Overexpression of thePlant signaling & behavior · 2019Article
- Genome-wide analysis of autophagy-related genes (ARGs) in grapevine and plant tolerance to copper stress.Planta · 2018Article
- Proteomic analysis on roots of Oenothera glazioviana under copper-stress conditions.Scientific reports · 2017Article
- Article
- Article
- Proteomic responses to lead-induced oxidative stress in Talinum triangulare Jacq. (Willd.) roots: identification of key biomarkers related to glutathione metabolisms.Environmental science and pollution research international · 2014Article
- Article
- Plant proteomics in India and Nepal: current status and challenges ahead.Physiology and molecular biology of plants : an international journal of functional plant biology · 2013Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Copper (Cu), though an essential micronutrient for plants, poses toxicity at higher concentrations possibly by inducing oxidative stress. With the background that enzyme superoxide dismutase (SOD) ameliorates oxidative stress, the present work focused on understanding physiological and proteomic response of Arabidopsis seeds constitutively over-expressing copper-zinc SOD of Potentilla atrosanguinea (PaSOD) during germination in response to varied concentrations of copper sulphate (Cu stress). Transgenics showed higher germination percentage and required less "mean time to germination" under Cu-stress. In response to Cu stress, 39 differentially expressed protein spots were detected by 2-D electrophoresis in proteins of germinating wild type (WT) and transgenic seeds, of which 14 spots appeared exclusively in transgenics. Among the rest 25 protein spots, 14 showed down-regulation, one showed up-regulation, and 10 spots disappeared. MALDI-TOF and subsequent peptide mass fingerprinting analysis revealed that the down-regulated proteins in transgenics were related to oxidative stress, detoxification, germination, intermediary metabolism and regulatory proteins. Up-regulated proteins in WT and down-regulated proteins in transgenic during Cu stress were the same. Changes in key proteins, vis-à-vis alleviation of oxidative stress in transgenic Arabidopsis over-expressing PaSOD possibly alleviated toxicity of Cu-induced stress during seed germination, resulting in higher germination rate and germination percentage.
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