Understanding the translocation and bioaccumulation of cadmium in the Enshi seleniferous area, China: Possible impact by the interaction of Se and Cd
Selenium (Se) plays an indispensable role in minimizing cadmium (Cd) hazards for organisms. However, their potential interactions and co-exposure risk in the naturally Se–Cd enriched paddy field ecosystem are poorly understood. In this study, rice plants with rhizosphere soils sampled from the Enshi...
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| Veröffentlicht in: | Environmental pollution (1987) 2022-05, Vol.300, p.118927-118927, Article 118927 |
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| creator | Chang, Chuanyu Zhang, Hua Huang, Fang Feng, Xinbin |
| description | Selenium (Se) plays an indispensable role in minimizing cadmium (Cd) hazards for organisms. However, their potential interactions and co-exposure risk in the naturally Se–Cd enriched paddy field ecosystem are poorly understood. In this study, rice plants with rhizosphere soils sampled from the Enshi seleniferous region, China, were investigated to resolve this confusion. Here, translocation and bioaccumulation of Cd showed some abnormal patterns in the system of soil-rice plants. Roots had the highest bioaccumulation factors of Cd (range: 0.30–57.69; mean: 11.86 ± 14.32), and the biomass of Cd in grains (range: 1.44–127.70 μg, mean: 36.55 ± 36.20 μg) only accounted for ∼10% of the total Cd in whole plants (range: 14.67–1363.20 μg, mean: 381.25 ± 387.57 μg). The elevated soil Cd did not result in the increase of Cd concentrations in rice grains (r2 = 0.03, p > 0.05). Most interestingly, the opposite distribution between Se and Cd in rice grains was found (r2 = 0.24, p |
| doi_str_mv | 10.1016/j.envpol.2022.118927 |
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[Display omitted]
•No correlation of Cd in soil and rice was found in the Enshi area.•An inverse correlation of Se and Cd in rice grains was observed.•Selenium may restrain Cd translocation in the Se-rich paddy field ecosystem.•Interactions of Cd and Se are advised to be considered for Cd/Se risk assessment.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2022.118927</identifier><identifier>PMID: 35104557</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Bioaccumulation ; Cadmium ; Cadmium - analysis ; China ; Co-exposure risk ; Ecosystem ; Enshi ; Interaction ; Oryza - metabolism ; Selenium ; Selenium - analysis ; Soil - chemistry ; Soil Pollutants - analysis ; Translocation</subject><ispartof>Environmental pollution (1987), 2022-05, Vol.300, p.118927-118927, Article 118927</ispartof><rights>2022</rights><rights>Copyright © 2022. Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-7d96d6d5d3c2d649e7d7ab44ae786c86ba0e57a8d04904a44982a66fb347a9993</citedby><cites>FETCH-LOGICAL-c362t-7d96d6d5d3c2d649e7d7ab44ae786c86ba0e57a8d04904a44982a66fb347a9993</cites><orcidid>0000-0002-7462-8998</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.envpol.2022.118927$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35104557$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chang, Chuanyu</creatorcontrib><creatorcontrib>Zhang, Hua</creatorcontrib><creatorcontrib>Huang, Fang</creatorcontrib><creatorcontrib>Feng, Xinbin</creatorcontrib><title>Understanding the translocation and bioaccumulation of cadmium in the Enshi seleniferous area, China: Possible impact by the interaction of Se and Cd</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Selenium (Se) plays an indispensable role in minimizing cadmium (Cd) hazards for organisms. However, their potential interactions and co-exposure risk in the naturally Se–Cd enriched paddy field ecosystem are poorly understood. In this study, rice plants with rhizosphere soils sampled from the Enshi seleniferous region, China, were investigated to resolve this confusion. Here, translocation and bioaccumulation of Cd showed some abnormal patterns in the system of soil-rice plants. Roots had the highest bioaccumulation factors of Cd (range: 0.30–57.69; mean: 11.86 ± 14.32), and the biomass of Cd in grains (range: 1.44–127.70 μg, mean: 36.55 ± 36.20 μg) only accounted for ∼10% of the total Cd in whole plants (range: 14.67–1363.20 μg, mean: 381.25 ± 387.57 μg). The elevated soil Cd did not result in the increase of Cd concentrations in rice grains (r2 = 0.03, p > 0.05). Most interestingly, the opposite distribution between Se and Cd in rice grains was found (r2 = 0.24, p < 0.01), which is contrary to the positive correlation for Se and Cd in soil (r2 = 0.46, p < 0.01). It is speculated that higher Se (0.85–11.46 μg/g), higher Se/Cd molar ratios (mean: 5.42 ≫1; range: 1.50–12.87), and higher proportions of reductive Se species (IV, 0) of the Enshi acidic soil may have the stronger capacity of favoring the occurrence of Se binding to Cd ions by forming Cd–Se complexes (Se2− + Cd2+ =CdSe) under reduction conditions during flooding, and hence change the Cd translocation from soil to roots. Furthermore, the negative correlation (r2 = 0.25, p < 0.05) between the Cd translocation factor (TFwhole grains/root) and the roots Se indicates that Cd translocation from the roots to rice grains was suppressed, possibly by the interaction of Se and Cd. This study inevitably poses a challenge for the traditional risk assessment of Cd and Se in the soils-crops-consumers continuum, especially in the seleniferous area.
[Display omitted]
•No correlation of Cd in soil and rice was found in the Enshi area.•An inverse correlation of Se and Cd in rice grains was observed.•Selenium may restrain Cd translocation in the Se-rich paddy field ecosystem.•Interactions of Cd and Se are advised to be considered for Cd/Se risk assessment.</description><subject>Bioaccumulation</subject><subject>Cadmium</subject><subject>Cadmium - analysis</subject><subject>China</subject><subject>Co-exposure risk</subject><subject>Ecosystem</subject><subject>Enshi</subject><subject>Interaction</subject><subject>Oryza - metabolism</subject><subject>Selenium</subject><subject>Selenium - analysis</subject><subject>Soil - chemistry</subject><subject>Soil Pollutants - analysis</subject><subject>Translocation</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kVGL1DAUhYMo7uzqPxDJow92TNI0aXwQZFhXYUFB9zncJrdOhjYdk3Rhf4j_1-509NGnS27OuYfDR8grzraccfXusMV4f5yGrWBCbDlvjdBPyIa3uq6UFPIp2TChTKWl4RfkMucDY0zWdf2cXNQNZ7Jp9Ib8voseUy4QfYg_adkjLQliHiYHJUyRLh-0CxM4N4_zsO6mnjrwY5hHGuLJcx3zPtCMA8bQY5rmTCEhvKW7fYjwnn6bcg7dgDSMR3CFdg8nW4gF0_I-H_2Op7idf0Ge9TBkfHmeV-Tu0_WP3efq9uvNl93H28rVSpRKe6O88o2vnfBKGtReQycloG6Va1UHDBsNrWfSMAlSmlaAUn1XSw3GmPqKvFnvHtP0a8Zc7Biyw2GAiEsHK5SQpuGKqUUqV6lLS5eEvT2mMEJ6sJzZRyD2YFcg9hGIXYEsttfnhLkb0f8z_SWwCD6sAlx63gdMNruA0aEPCV2xfgr_T_gD9HmgQg</recordid><startdate>20220501</startdate><enddate>20220501</enddate><creator>Chang, Chuanyu</creator><creator>Zhang, Hua</creator><creator>Huang, Fang</creator><creator>Feng, Xinbin</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-7462-8998</orcidid></search><sort><creationdate>20220501</creationdate><title>Understanding the translocation and bioaccumulation of cadmium in the Enshi seleniferous area, China: Possible impact by the interaction of Se and Cd</title><author>Chang, Chuanyu ; Zhang, Hua ; Huang, Fang ; Feng, Xinbin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-7d96d6d5d3c2d649e7d7ab44ae786c86ba0e57a8d04904a44982a66fb347a9993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bioaccumulation</topic><topic>Cadmium</topic><topic>Cadmium - analysis</topic><topic>China</topic><topic>Co-exposure risk</topic><topic>Ecosystem</topic><topic>Enshi</topic><topic>Interaction</topic><topic>Oryza - metabolism</topic><topic>Selenium</topic><topic>Selenium - analysis</topic><topic>Soil - chemistry</topic><topic>Soil Pollutants - analysis</topic><topic>Translocation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chang, Chuanyu</creatorcontrib><creatorcontrib>Zhang, Hua</creatorcontrib><creatorcontrib>Huang, Fang</creatorcontrib><creatorcontrib>Feng, Xinbin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chang, Chuanyu</au><au>Zhang, Hua</au><au>Huang, Fang</au><au>Feng, Xinbin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Understanding the translocation and bioaccumulation of cadmium in the Enshi seleniferous area, China: Possible impact by the interaction of Se and Cd</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2022-05-01</date><risdate>2022</risdate><volume>300</volume><spage>118927</spage><epage>118927</epage><pages>118927-118927</pages><artnum>118927</artnum><issn>0269-7491</issn><eissn>1873-6424</eissn><abstract>Selenium (Se) plays an indispensable role in minimizing cadmium (Cd) hazards for organisms. However, their potential interactions and co-exposure risk in the naturally Se–Cd enriched paddy field ecosystem are poorly understood. In this study, rice plants with rhizosphere soils sampled from the Enshi seleniferous region, China, were investigated to resolve this confusion. Here, translocation and bioaccumulation of Cd showed some abnormal patterns in the system of soil-rice plants. Roots had the highest bioaccumulation factors of Cd (range: 0.30–57.69; mean: 11.86 ± 14.32), and the biomass of Cd in grains (range: 1.44–127.70 μg, mean: 36.55 ± 36.20 μg) only accounted for ∼10% of the total Cd in whole plants (range: 14.67–1363.20 μg, mean: 381.25 ± 387.57 μg). The elevated soil Cd did not result in the increase of Cd concentrations in rice grains (r2 = 0.03, p > 0.05). Most interestingly, the opposite distribution between Se and Cd in rice grains was found (r2 = 0.24, p < 0.01), which is contrary to the positive correlation for Se and Cd in soil (r2 = 0.46, p < 0.01). It is speculated that higher Se (0.85–11.46 μg/g), higher Se/Cd molar ratios (mean: 5.42 ≫1; range: 1.50–12.87), and higher proportions of reductive Se species (IV, 0) of the Enshi acidic soil may have the stronger capacity of favoring the occurrence of Se binding to Cd ions by forming Cd–Se complexes (Se2− + Cd2+ =CdSe) under reduction conditions during flooding, and hence change the Cd translocation from soil to roots. Furthermore, the negative correlation (r2 = 0.25, p < 0.05) between the Cd translocation factor (TFwhole grains/root) and the roots Se indicates that Cd translocation from the roots to rice grains was suppressed, possibly by the interaction of Se and Cd. This study inevitably poses a challenge for the traditional risk assessment of Cd and Se in the soils-crops-consumers continuum, especially in the seleniferous area.
[Display omitted]
•No correlation of Cd in soil and rice was found in the Enshi area.•An inverse correlation of Se and Cd in rice grains was observed.•Selenium may restrain Cd translocation in the Se-rich paddy field ecosystem.•Interactions of Cd and Se are advised to be considered for Cd/Se risk assessment.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>35104557</pmid><doi>10.1016/j.envpol.2022.118927</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-7462-8998</orcidid></addata></record> |
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| ispartof | Environmental pollution (1987), 2022-05, Vol.300, p.118927-118927, Article 118927 |
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| subjects | Bioaccumulation Cadmium Cadmium - analysis China Co-exposure risk Ecosystem Enshi Interaction Oryza - metabolism Selenium Selenium - analysis Soil - chemistry Soil Pollutants - analysis Translocation |
| title | Understanding the translocation and bioaccumulation of cadmium in the Enshi seleniferous area, China: Possible impact by the interaction of Se and Cd |
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