Inhibition effect of polyvinyl chloride on ferrihydrite reduction and electrochemical activities of Geobacter metallireducens
Li, JJ; Liu, FH; Yang, CY; Zheng, SL; Xiao, LL; Li, JH; Tu, C; Luo, YM
Source PublicationJOURNAL OF BASIC MICROBIOLOGY
ISSN0233-111X
2020-01
Volume60Issue:1 SIPages:37-46
Keywordbiogeochemical iron cycling electroactivity Geobacter metallireducens GS15 iron (III) reduction ability microplastics
MOST Discipline CatalogueMicrobiology
DOI10.1002/jobm.201900415
Contribution Rank[Li, Jiajia; Liu, Fanghua; Yang, Cuiyun; Zheng, Shiling; Xiao, Leilei] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Peoples R China; [Li, Jiajia; Liu, Fanghua; Tu, Chen; Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China; [Li, Jiajia] Univ Chinese Acad Sci, Beijing, Peoples R China; [Li, Jinhua] Chinese Acad Sci, Inst Geol & Geophys, Inst Earth Sci, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
Department海岸带生物学与生物资源保护实验室
AbstractGeobacter metallireducens GS15, a model of dissimilatory iron-reducing bacteria, is the key regulator in biogeochemical iron cycling. How the emerging contaminant microplastics involved in the iron cycling are driven by microbes on the microscale remains unknown. Hence, the influences of two typical microplastics, polybutylene terephthalate-hexane acid (PBAT) and polyvinyl chloride (PVC), were explored on the activity of G. metallireducens GS15 with ferrihydrite or ferric citrate as the respective electron acceptors. The results showed that the iron (II) contents in PBAT- and PVC-treatment groups were 16.79 and 6.81 mM, respectively, at the end of the experiment. Compared with the PBAT-treatment group, scanning electron microscopy and energy dispersive spectrometery revealed that merely a small amount of iron-containing products covered the surface of PVC. Moreover, PBAT and PVC could both retard the electroactivity of G. metallireducens GS15 at the beginning of microbial fuel cell operation. On the basis of the results above, microplastic PVC might exhibit potential inhibition of the iron cycling process driven by G. metallireducens GS15 with ferrihydrite as the terminal electron acceptor. This study extended our understanding of the influence of the microplastics PBAT and PVC on microbially mediated biogeochemical iron cycling. The findings might have an important implication on the biogeochemical elements cycling in the ecosystem with the involvement of emerging contaminant microplastics.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordINTERSPECIES ELECTRON-TRANSFER ; MARINE-ENVIRONMENT ; SULFURREDUCENS ; MICROPLASTICS ; FE(III) ; IRON ; MINERALIZATION ; BIOREMEDIATION ; CYTOCHROME ; OXIDATION
WOS Research AreaMicrobiology
WOS IDWOS:000494864600001
Funding OrganizationKey Research Project of Frontier Science [QYZDJ-SSWDQC015] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41573071, 91751112] ; Shandong Provincial Natural Science FoundationNatural Science Foundation of Shandong Province [JQ201608] ; Young Taishan Scholars Programme of Shandong Province [20161054]
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Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24817
Collection海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China;
3.Univ Chinese Acad Sci, Beijing, Peoples R China;
4.Chinese Acad Sci, Inst Geol & Geophys, Inst Earth Sci, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, JJ,Liu, FH,Yang, CY,et al. Inhibition effect of polyvinyl chloride on ferrihydrite reduction and electrochemical activities of Geobacter metallireducens[J]. JOURNAL OF BASIC MICROBIOLOGY,2020,60(1 SI):37-46.
APA Li, JJ.,Liu, FH.,Yang, CY.,Zheng, SL.,Xiao, LL.,...&Luo, YM.(2020).Inhibition effect of polyvinyl chloride on ferrihydrite reduction and electrochemical activities of Geobacter metallireducens.JOURNAL OF BASIC MICROBIOLOGY,60(1 SI),37-46.
MLA Li, JJ,et al."Inhibition effect of polyvinyl chloride on ferrihydrite reduction and electrochemical activities of Geobacter metallireducens".JOURNAL OF BASIC MICROBIOLOGY 60.1 SI(2020):37-46.
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