Interactive effect of 24-epibrassinolide and silicon on the alleviation of cadmium toxicity in rice (Oryza sativa L.) plants

Cadmium (Cd) pollution is a serious threat to food safety and human health. Minimization of Cd uptake and enhancing Cd tolerance in plants are vital to improve crop yield and reduce hazardous effects to humans. In this study, we investigate the effect of a synergistic system with phytohormone (24-Ep...

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Veröffentlicht in:Environmental technology. - 1993. - 45(2024), 23 vom: 30. Sept., Seite 4725-4736
1. Verfasser: Wang, Xueshun (VerfasserIn)
Weitere Verfasser: Li, Hongyu, Zhang, Shuang, Gao, Fengwen, Sun, Xue, Ren, Xuekun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Cd uptake Photosynthetic performance chemical form oxidative stress subcellular distribution Brassinosteroids Silicon Z4152N8IUI Cadmium mehr... 00BH33GNGH Steroids, Heterocyclic brassinolide Y9IQ1L53OX Soil Pollutants Plant Growth Regulators Chlorophyll 1406-65-1
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520 |a Cadmium (Cd) pollution is a serious threat to food safety and human health. Minimization of Cd uptake and enhancing Cd tolerance in plants are vital to improve crop yield and reduce hazardous effects to humans. In this study, we investigate the effect of a synergistic system with phytohormone (24-Epibrassinolide, EBL) and silicon (Si) on Cd toxicity and accumulation of rice plants. The results revealed that Si, EBL and their combination rescued Cd-induced growth inhibition, as evidenced by the increased dry weight of root and shoot. The chlorophyll content and photosynthetic performance were improved. The activity of antioxidant enzymes (SOD, POD and CAT) was increased and oxidative stress was alleviated. More importantly, Cd content in root was decreased by 20.25%, 17.72% and 27.84%, while Cd content in shoot decreased by 21.17%, 16.47% and 25.88%, respectively. Moreover, Si, EBL and Si + EBL treatment enriched cell wall-bound Cd and reduced Cd toxicity to functional organelles. Meanwhile, the residual form of Cd was enriched and the highly toxic forms of Cd (inorganic and water-soluble Cd) were decreased. The joint application showed better effects than applying Si and EBL alone. Collectively, this study provides an effective way for Cd toxicity mitigation in rice plants 
650 4 |a Journal Article 
650 4 |a Cd uptake 
650 4 |a Photosynthetic performance 
650 4 |a chemical form 
650 4 |a oxidative stress 
650 4 |a subcellular distribution 
650 7 |a Brassinosteroids  |2 NLM 
650 7 |a Silicon  |2 NLM 
650 7 |a Z4152N8IUI  |2 NLM 
650 7 |a Cadmium  |2 NLM 
650 7 |a 00BH33GNGH  |2 NLM 
650 7 |a Steroids, Heterocyclic  |2 NLM 
650 7 |a brassinolide  |2 NLM 
650 7 |a Y9IQ1L53OX  |2 NLM 
650 7 |a Soil Pollutants  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Chlorophyll  |2 NLM 
650 7 |a 1406-65-1  |2 NLM 
700 1 |a Li, Hongyu  |e verfasserin  |4 aut 
700 1 |a Zhang, Shuang  |e verfasserin  |4 aut 
700 1 |a Gao, Fengwen  |e verfasserin  |4 aut 
700 1 |a Sun, Xue  |e verfasserin  |4 aut 
700 1 |a Ren, Xuekun  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 45(2024), 23 vom: 30. Sept., Seite 4725-4736  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnas 
773 1 8 |g volume:45  |g year:2024  |g number:23  |g day:30  |g month:09  |g pages:4725-4736 
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