Speciation of heavy metals and bacteria in cow dung after vermicomposting by the earthworm, Eisenia fetida
[Display omitted] •Heavy metal concentrations were declined significantly.•Vermicomposting could alleviate the availability and toxicity of heavy metal.•The speciation of heavy metal bioaccumulated in EF was different.•Earthworms had a significant effect on the microbial community.•Twelve genera wit...
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| Veröffentlicht in: | Bioresource technology 2017-12, Vol.245 (Pt A), p.411-418 |
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| creator | Wang, Yong Han, Wei Wang, Xiaoyun Chen, Hongmei Zhu, Fen Wang, Xiaoping Lei, Chaoliang |
| description | [Display omitted]
•Heavy metal concentrations were declined significantly.•Vermicomposting could alleviate the availability and toxicity of heavy metal.•The speciation of heavy metal bioaccumulated in EF was different.•Earthworms had a significant effect on the microbial community.•Twelve genera with species having heavy metal resistance/tolerance were found.
This work was conducted to evaluate the total concentration and speciation of heavy metals (Cd, Pb and Cr) in vermicompost product (EFCD) by Eisenia fetida (EF) with cow dung (FCD). Meanwhile, the bacterial community and diversity of the three were compared by high-throughput sequencing. Results showed that heavy metal concentrations were declined significantly in EFCD. Sequential extraction indicated that the exchangeable fraction of Cd and Pb decreased markedly and the residual fractions increased in EFCD. Though the exchangeable fraction of Cr increased, the total concentration reduced greatly. Furthermore, the speciation of Cd, Pb and Cr bioaccumulated in EF were different. Besides, the bacterial diversity was highest in EFCD, and twelve genera with species having heavy metal resistance/tolerance were found from the genus of different abundance of the three. Vermicomposting effectively reduced the total concentration and toxicity for heavy metals, and the bacterial composition and diversity were changed greatly during vermicomposting. |
| doi_str_mv | 10.1016/j.biortech.2017.08.118 |
| format | Article |
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•Heavy metal concentrations were declined significantly.•Vermicomposting could alleviate the availability and toxicity of heavy metal.•The speciation of heavy metal bioaccumulated in EF was different.•Earthworms had a significant effect on the microbial community.•Twelve genera with species having heavy metal resistance/tolerance were found.
This work was conducted to evaluate the total concentration and speciation of heavy metals (Cd, Pb and Cr) in vermicompost product (EFCD) by Eisenia fetida (EF) with cow dung (FCD). Meanwhile, the bacterial community and diversity of the three were compared by high-throughput sequencing. Results showed that heavy metal concentrations were declined significantly in EFCD. Sequential extraction indicated that the exchangeable fraction of Cd and Pb decreased markedly and the residual fractions increased in EFCD. Though the exchangeable fraction of Cr increased, the total concentration reduced greatly. Furthermore, the speciation of Cd, Pb and Cr bioaccumulated in EF were different. Besides, the bacterial diversity was highest in EFCD, and twelve genera with species having heavy metal resistance/tolerance were found from the genus of different abundance of the three. Vermicomposting effectively reduced the total concentration and toxicity for heavy metals, and the bacterial composition and diversity were changed greatly during vermicomposting.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2017.08.118</identifier><identifier>PMID: 28898838</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Animals ; Bacteria ; bacterial communities ; Bacterial diversity ; Cattle ; Composting ; Cow dung ; cow manure ; earthworms ; Eisenia fetida ; Feces ; Female ; genus ; Heavy metal ; heavy metals ; metal tolerance ; Metals, Heavy ; Oligochaeta ; Soil ; Soil Pollutants ; Speciation ; species ; technology ; toxicity ; vermicomposting ; vermicomposts</subject><ispartof>Bioresource technology, 2017-12, Vol.245 (Pt A), p.411-418</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c504t-83554d09cdbbad5645fb45fbd2bfd3d0ff0a9eb7a36724a07c451ca79391c8873</citedby><cites>FETCH-LOGICAL-c504t-83554d09cdbbad5645fb45fbd2bfd3d0ff0a9eb7a36724a07c451ca79391c8873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960852417314323$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28898838$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Han, Wei</creatorcontrib><creatorcontrib>Wang, Xiaoyun</creatorcontrib><creatorcontrib>Chen, Hongmei</creatorcontrib><creatorcontrib>Zhu, Fen</creatorcontrib><creatorcontrib>Wang, Xiaoping</creatorcontrib><creatorcontrib>Lei, Chaoliang</creatorcontrib><title>Speciation of heavy metals and bacteria in cow dung after vermicomposting by the earthworm, Eisenia fetida</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>[Display omitted]
•Heavy metal concentrations were declined significantly.•Vermicomposting could alleviate the availability and toxicity of heavy metal.•The speciation of heavy metal bioaccumulated in EF was different.•Earthworms had a significant effect on the microbial community.•Twelve genera with species having heavy metal resistance/tolerance were found.
This work was conducted to evaluate the total concentration and speciation of heavy metals (Cd, Pb and Cr) in vermicompost product (EFCD) by Eisenia fetida (EF) with cow dung (FCD). Meanwhile, the bacterial community and diversity of the three were compared by high-throughput sequencing. Results showed that heavy metal concentrations were declined significantly in EFCD. Sequential extraction indicated that the exchangeable fraction of Cd and Pb decreased markedly and the residual fractions increased in EFCD. Though the exchangeable fraction of Cr increased, the total concentration reduced greatly. Furthermore, the speciation of Cd, Pb and Cr bioaccumulated in EF were different. Besides, the bacterial diversity was highest in EFCD, and twelve genera with species having heavy metal resistance/tolerance were found from the genus of different abundance of the three. Vermicomposting effectively reduced the total concentration and toxicity for heavy metals, and the bacterial composition and diversity were changed greatly during vermicomposting.</description><subject>Animals</subject><subject>Bacteria</subject><subject>bacterial communities</subject><subject>Bacterial diversity</subject><subject>Cattle</subject><subject>Composting</subject><subject>Cow dung</subject><subject>cow manure</subject><subject>earthworms</subject><subject>Eisenia fetida</subject><subject>Feces</subject><subject>Female</subject><subject>genus</subject><subject>Heavy metal</subject><subject>heavy metals</subject><subject>metal tolerance</subject><subject>Metals, Heavy</subject><subject>Oligochaeta</subject><subject>Soil</subject><subject>Soil Pollutants</subject><subject>Speciation</subject><subject>species</subject><subject>technology</subject><subject>toxicity</subject><subject>vermicomposting</subject><subject>vermicomposts</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkElrHDEQhYWJscfLXzA65pDulNSb-pZgvAQMOcQ-Cy0lj4bp1kTSjJl_bw1j55pDUfB4rx71EXLDoGbA-u-rWvsQM5plzYENNYiaMXFCFkwMTcXHof9CFjD2UImOt-fkIqUVADRs4GfknAsxCtGIBVn92aDxKvsw0-DoEtVuTyfMap2omi3VymSMXlE_UxPeqN3Or1S5otEdxsmbMG1Cyr6oek_zEimqmJdvIU7f6J1POJesw-ytuiKnrpzF6499SV7u755vH6un3w-_bn8-VaaDNlei6brWwmis1sp2fds5fRjLtbONBedAjagH1fQDbxUMpu2YUcPYjMyI8v0l-Xq8u4nh7xZTlpNPBtdrNWPYJskLh04Ah6ZY-6PVxJBSRCc30U8q7iUDeeAsV_KTszxwliBk4VyCNx8dWz2h_Rf7BFsMP44GLJ_uPEaZjMfZoPURTZY2-P91vAM_l5P1</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Wang, Yong</creator><creator>Han, Wei</creator><creator>Wang, Xiaoyun</creator><creator>Chen, Hongmei</creator><creator>Zhu, Fen</creator><creator>Wang, Xiaoping</creator><creator>Lei, Chaoliang</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>7S9</scope><scope>L.6</scope></search><sort><creationdate>20171201</creationdate><title>Speciation of heavy metals and bacteria in cow dung after vermicomposting by the earthworm, Eisenia fetida</title><author>Wang, Yong ; Han, Wei ; Wang, Xiaoyun ; Chen, Hongmei ; Zhu, Fen ; Wang, Xiaoping ; Lei, Chaoliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c504t-83554d09cdbbad5645fb45fbd2bfd3d0ff0a9eb7a36724a07c451ca79391c8873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Animals</topic><topic>Bacteria</topic><topic>bacterial communities</topic><topic>Bacterial diversity</topic><topic>Cattle</topic><topic>Composting</topic><topic>Cow dung</topic><topic>cow manure</topic><topic>earthworms</topic><topic>Eisenia fetida</topic><topic>Feces</topic><topic>Female</topic><topic>genus</topic><topic>Heavy metal</topic><topic>heavy metals</topic><topic>metal tolerance</topic><topic>Metals, Heavy</topic><topic>Oligochaeta</topic><topic>Soil</topic><topic>Soil Pollutants</topic><topic>Speciation</topic><topic>species</topic><topic>technology</topic><topic>toxicity</topic><topic>vermicomposting</topic><topic>vermicomposts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Han, Wei</creatorcontrib><creatorcontrib>Wang, Xiaoyun</creatorcontrib><creatorcontrib>Chen, Hongmei</creatorcontrib><creatorcontrib>Zhu, Fen</creatorcontrib><creatorcontrib>Wang, Xiaoping</creatorcontrib><creatorcontrib>Lei, Chaoliang</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yong</au><au>Han, Wei</au><au>Wang, Xiaoyun</au><au>Chen, Hongmei</au><au>Zhu, Fen</au><au>Wang, Xiaoping</au><au>Lei, Chaoliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Speciation of heavy metals and bacteria in cow dung after vermicomposting by the earthworm, Eisenia fetida</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>245</volume><issue>Pt A</issue><spage>411</spage><epage>418</epage><pages>411-418</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>[Display omitted]
•Heavy metal concentrations were declined significantly.•Vermicomposting could alleviate the availability and toxicity of heavy metal.•The speciation of heavy metal bioaccumulated in EF was different.•Earthworms had a significant effect on the microbial community.•Twelve genera with species having heavy metal resistance/tolerance were found.
This work was conducted to evaluate the total concentration and speciation of heavy metals (Cd, Pb and Cr) in vermicompost product (EFCD) by Eisenia fetida (EF) with cow dung (FCD). Meanwhile, the bacterial community and diversity of the three were compared by high-throughput sequencing. Results showed that heavy metal concentrations were declined significantly in EFCD. Sequential extraction indicated that the exchangeable fraction of Cd and Pb decreased markedly and the residual fractions increased in EFCD. Though the exchangeable fraction of Cr increased, the total concentration reduced greatly. Furthermore, the speciation of Cd, Pb and Cr bioaccumulated in EF were different. Besides, the bacterial diversity was highest in EFCD, and twelve genera with species having heavy metal resistance/tolerance were found from the genus of different abundance of the three. Vermicomposting effectively reduced the total concentration and toxicity for heavy metals, and the bacterial composition and diversity were changed greatly during vermicomposting.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>28898838</pmid><doi>10.1016/j.biortech.2017.08.118</doi><tpages>8</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Bacteria bacterial communities Bacterial diversity Cattle Composting Cow dung cow manure earthworms Eisenia fetida Feces Female genus Heavy metal heavy metals metal tolerance Metals, Heavy Oligochaeta Soil Soil Pollutants Speciation species technology toxicity vermicomposting vermicomposts |
| title | Speciation of heavy metals and bacteria in cow dung after vermicomposting by the earthworm, Eisenia fetida |
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