Copper Oxide Nanoparticle and Copper (II) Ion Exposure in Oryza sativa Reveals Two Different Mechanisms of Toxicity
The effects of CuO NPs and bulk Cu at 0–1000 mg L −1 on the growth, photosynthesis and biochemical parameters were investigated in 30-day-old rice plants grown hydroponically. ICP-OES measurements showed that CuO NPs released ≤ 1 mg L −1 of Cu 2+ ions compared with ≤ 81 mg L −1 by bulk Cu at their h...
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| Veröffentlicht in: | Water, air, and soil pollution air, and soil pollution, 2020-06, Vol.231 (6), Article 258 |
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| creator | Da Costa, Maria Vera Jesus Kevat, Nisha Sharma, Prabhat Kumar |
| description | The effects of CuO NPs and bulk Cu at 0–1000 mg L
−1
on the growth, photosynthesis and biochemical parameters were investigated in 30-day-old rice plants grown hydroponically. ICP-OES measurements showed that CuO NPs released ≤ 1 mg L
−1
of Cu
2+
ions compared with ≤ 81 mg L
−1
by bulk Cu at their highest concentration. Both treatments showed that growth, photo-phosphorylation and carbon dioxide assimilation declined considerably. Bulk particles caused oxidative stress whereas NP showed no such effect. Electromicrographs showed that CuO NPs accumulated in chloroplasts resulting in destacking and distortions of thylakoid membranes while bulk Cu showed no such behaviour. Results suggest that NP affected the growth by accumulation in non-ionic form in chloroplasts causing damage to thylakoid membrane without oxidative damage, whereas the bulk Cu affected the growth by causing oxidative damage as a result of release of Cu
2+
ions without affecting the ultrastructure of the chloroplasts. |
| doi_str_mv | 10.1007/s11270-020-04592-0 |
| format | Article |
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−1
on the growth, photosynthesis and biochemical parameters were investigated in 30-day-old rice plants grown hydroponically. ICP-OES measurements showed that CuO NPs released ≤ 1 mg L
−1
of Cu
2+
ions compared with ≤ 81 mg L
−1
by bulk Cu at their highest concentration. Both treatments showed that growth, photo-phosphorylation and carbon dioxide assimilation declined considerably. Bulk particles caused oxidative stress whereas NP showed no such effect. Electromicrographs showed that CuO NPs accumulated in chloroplasts resulting in destacking and distortions of thylakoid membranes while bulk Cu showed no such behaviour. Results suggest that NP affected the growth by accumulation in non-ionic form in chloroplasts causing damage to thylakoid membrane without oxidative damage, whereas the bulk Cu affected the growth by causing oxidative damage as a result of release of Cu
2+
ions without affecting the ultrastructure of the chloroplasts.</description><identifier>ISSN: 0049-6979</identifier><identifier>EISSN: 1573-2932</identifier><identifier>DOI: 10.1007/s11270-020-04592-0</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Atmospheric Protection/Air Quality Control/Air Pollution ; Carbon dioxide ; Chloroplasts ; Climate Change/Climate Change Impacts ; Copper ; Copper oxide ; Copper oxides ; Cuprite ; Damage accumulation ; Earth and Environmental Science ; Environment ; Environmental monitoring ; Ethylenediaminetetraacetic acid ; Growth ; Hydrogeology ; Hydroponics ; Ions ; Membranes ; Nanoparticles ; Oxidative stress ; Phosphorylation ; Photosynthesis ; Soil Science & Conservation ; Thylakoid membranes ; Toxicity ; Ultrastructure ; Water Quality/Water Pollution</subject><ispartof>Water, air, and soil pollution, 2020-06, Vol.231 (6), Article 258</ispartof><rights>Springer Nature Switzerland AG 2020</rights><rights>COPYRIGHT 2020 Springer</rights><rights>Springer Nature Switzerland AG 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-9881305c688d8c9d6261a416cb7d2608ca50338e7935b4f903b3c06e8da0c1613</citedby><cites>FETCH-LOGICAL-c358t-9881305c688d8c9d6261a416cb7d2608ca50338e7935b4f903b3c06e8da0c1613</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11270-020-04592-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11270-020-04592-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Da Costa, Maria Vera Jesus</creatorcontrib><creatorcontrib>Kevat, Nisha</creatorcontrib><creatorcontrib>Sharma, Prabhat Kumar</creatorcontrib><title>Copper Oxide Nanoparticle and Copper (II) Ion Exposure in Oryza sativa Reveals Two Different Mechanisms of Toxicity</title><title>Water, air, and soil pollution</title><addtitle>Water Air Soil Pollut</addtitle><description>The effects of CuO NPs and bulk Cu at 0–1000 mg L
−1
on the growth, photosynthesis and biochemical parameters were investigated in 30-day-old rice plants grown hydroponically. ICP-OES measurements showed that CuO NPs released ≤ 1 mg L
−1
of Cu
2+
ions compared with ≤ 81 mg L
−1
by bulk Cu at their highest concentration. Both treatments showed that growth, photo-phosphorylation and carbon dioxide assimilation declined considerably. Bulk particles caused oxidative stress whereas NP showed no such effect. Electromicrographs showed that CuO NPs accumulated in chloroplasts resulting in destacking and distortions of thylakoid membranes while bulk Cu showed no such behaviour. Results suggest that NP affected the growth by accumulation in non-ionic form in chloroplasts causing damage to thylakoid membrane without oxidative damage, whereas the bulk Cu affected the growth by causing oxidative damage as a result of release of Cu
2+
ions without affecting the ultrastructure of the chloroplasts.</description><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Carbon dioxide</subject><subject>Chloroplasts</subject><subject>Climate Change/Climate Change Impacts</subject><subject>Copper</subject><subject>Copper oxide</subject><subject>Copper oxides</subject><subject>Cuprite</subject><subject>Damage accumulation</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Environmental monitoring</subject><subject>Ethylenediaminetetraacetic acid</subject><subject>Growth</subject><subject>Hydrogeology</subject><subject>Hydroponics</subject><subject>Ions</subject><subject>Membranes</subject><subject>Nanoparticles</subject><subject>Oxidative stress</subject><subject>Phosphorylation</subject><subject>Photosynthesis</subject><subject>Soil Science & Conservation</subject><subject>Thylakoid membranes</subject><subject>Toxicity</subject><subject>Ultrastructure</subject><subject>Water Quality/Water 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Pollut</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>231</volume><issue>6</issue><artnum>258</artnum><issn>0049-6979</issn><eissn>1573-2932</eissn><abstract>The effects of CuO NPs and bulk Cu at 0–1000 mg L
−1
on the growth, photosynthesis and biochemical parameters were investigated in 30-day-old rice plants grown hydroponically. ICP-OES measurements showed that CuO NPs released ≤ 1 mg L
−1
of Cu
2+
ions compared with ≤ 81 mg L
−1
by bulk Cu at their highest concentration. Both treatments showed that growth, photo-phosphorylation and carbon dioxide assimilation declined considerably. Bulk particles caused oxidative stress whereas NP showed no such effect. Electromicrographs showed that CuO NPs accumulated in chloroplasts resulting in destacking and distortions of thylakoid membranes while bulk Cu showed no such behaviour. Results suggest that NP affected the growth by accumulation in non-ionic form in chloroplasts causing damage to thylakoid membrane without oxidative damage, whereas the bulk Cu affected the growth by causing oxidative damage as a result of release of Cu
2+
ions without affecting the ultrastructure of the chloroplasts.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11270-020-04592-0</doi></addata></record> |
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| identifier | ISSN: 0049-6979 |
| ispartof | Water, air, and soil pollution, 2020-06, Vol.231 (6), Article 258 |
| issn | 0049-6979 1573-2932 |
| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Atmospheric Protection/Air Quality Control/Air Pollution Carbon dioxide Chloroplasts Climate Change/Climate Change Impacts Copper Copper oxide Copper oxides Cuprite Damage accumulation Earth and Environmental Science Environment Environmental monitoring Ethylenediaminetetraacetic acid Growth Hydrogeology Hydroponics Ions Membranes Nanoparticles Oxidative stress Phosphorylation Photosynthesis Soil Science & Conservation Thylakoid membranes Toxicity Ultrastructure Water Quality/Water Pollution |
| title | Copper Oxide Nanoparticle and Copper (II) Ion Exposure in Oryza sativa Reveals Two Different Mechanisms of Toxicity |
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