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Background and aims Hydrogen sulfide (H2S) acting as the third gasotransmitter following NO and CO has important physiological functions in both animals and plants. In plants, H2S plays a critical role in alleviating toxicity of Cd stresses. It is well known that Calcium-Dependent Protein Kinases (CDPKs) can regulate cell recognition and signal transduction through reversible protein phosphorylation,...
Background and aims In plants, salicylic acid (SA) acting as one of the signaling molecules can regulate and respond to cadmium (Cd) stress. It is well known that hydrogen sulfide (H 2 S) could alleviate toxicity of Cd stress but the crosstalk between SA and H 2 S in regulating Cd stress still remains unclear. Methods We studied on it through the physiological...
Taking an urban sewage river in north China as study object, total concentrations and concentrations of different chemical forms of heavy metals in surface sediment samples are determined. The relative enrichment factors and the potential ecological risk index, Hakanson index, are taken to study the pollution status of heavy metals in sediments and assess the potential ecological risk. The results...
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