The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Biotransformation of 6: 2 polyfluoroalkyl phosphates (6: 2 PAPs): effects of degradative bacteria and co-substrates
Abstract
Polyfluoroalkyl phosphates (PAPs), a group of fluorotelomer alcohol (FTOH)-based surfactants commonly used in water- and grease-proof food contact paper, have been suggested as a direct source of human exposure to health-concerned perfluoroalkyl carboxylic acids (PFCAs). This study investigated factors affecting biotranformation of 6:2 polyfluoroalkyl phosphates (6:2 PAPs) by three known FTOH-degrading Pseudomonas strains (Pseudomonas butanovora, P. oleovorans, and P. fluorescens DSM 8341) under different co-substrate conditions and compared to that by activated sludge samples. The three pure strains transformed 6:2 PAPs into eight different per- and poly-fluoroalkyl carboxylic acids (PFCAs) and/or PFCA precursors. P. fluorescens DSM 8341 produced 5:2 sFTOH [CF 3 (CF 2 ) 4 CH(OH)CH 3 ] and P. oleovorans produced 5:2 ketone [CF 3 (CF 2 ) 4 C(O)CH 3 ] as the primary transformation product, respectively, with citrate having a minimal impact on the transformation. P. butanovora with lactate produced more diverse transformation products than those by any two strains. Activated sludge was more efficient at transforming 6:2 PAPs and produced more transformation products including PFHpA [CF 3 (CF 2 ) 5 COOH] and PFPeA [CF 3 (CF 2 ) 3 COOH], with 5:2 sFTOH as the most abundant product on day 30. The abundance of the alkane hydroxylase (alkB) gene related to alkane oxidation, the changes of total microbial population as well as their community structure in activated sludge during 6:2 P…
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In the citing paper
“Pseudomonas fluorescens DSM 8341, which possesses fluoroacetate dehalogenase activity, has also been reported to degrade 6:2 FTOH and 6:2 polyfluoroalkyl phosphates (6:2 PAPs) into a range of short-chain PFASs.”
From Toward the development of a molecular toolkit for the microbial remediation of per-and polyfluoroalkyl substances (2024) · cites this paper as [83]
In the citing paper
“This finding is consistent with the involvement of fluoroacetate dehalogenase in the defluorination process of 6:2 FTOH and 6:2 PAPs.”
From Toward the development of a molecular toolkit for the microbial remediation of per-and polyfluoroalkyl substances (2024) · cites this paper as [83]
In the citing paper
“Two strains that possess butane and alkane monooxygenases have been shown to catalyze the defluorination of FTOHs (i.e., 4:2, 6:2, and 8:2 FTOHs) and 6:2 polyfluoroalkyl phosphates (6:2 PAPs) by eliminating multiple –CF2– groups, ultimately resulting in the formation of shorter-chain PFCAs (82–84, 133).”
From Toward the development of a molecular toolkit for the microbial remediation of per-and polyfluoroalkyl substances (2024) · cites this paper as [83]
In the citing paper
“High gene copy numbers of alkB, the gene encoding alkane monooxygenase, have been positively correlated with high levels of fluoride released from the biodegradation of both FTOHs and 6:2 PAPs (82, 83).”
From Toward the development of a molecular toolkit for the microbial remediation of per-and polyfluoroalkyl substances (2024) · cites this paper as [83]
Citations
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Cited by
Sorted by citations
Bolan, N., Sarkar, B., Yan, Y., Li, Q., Wijesekara, H., Kannan, K., Tsang, D. C. W., Schauerte, M., Bosch, J., Noll, H., et al. (2021) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2020.123892 · Cited by 375
Berhanu, A., Mutanda, I., Taolin, J., Qaria, M. A., Yang, B., & Zhu, D. (2023) · Science of The Total Environment · doi:10.1016/j.scitotenv.2022.160010 · Cited by 294
Shaw, D. M. J., Munoz, G., Bottos, E. M., Duy, S. V., Sauvé, S., Liu, J., & Van Hamme, J. D. (2019) · Science of The Total Environment · doi:10.1016/j.scitotenv.2018.08.012 · Cited by 232
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Biotransformation of 8:2 polyfluoroalkyl phosphate diester in gilthead bream (Sparus aurata)
Zabaleta, I., Bizkarguenaga, E., Izagirre, U., Negreira, N., Covaci, A., Benskin, J. P., Prieto, A., & Zuloaga, O. (2017) · Science of The Total Environment · doi:10.1016/j.scitotenv.2017.07.241 · Cited by 34
Olivares, C. I., Yi, S., Cook, E. K., Choi, Y. J., Montagnolli, R., Byrne, A., Higgins, C. P., Sedlak, D. L., & Alvarez-Cohen, L. (2022) · Environmental Science: Processes & Impacts · doi:10.1039/d1em00494h · Cited by 30
Metadata
- Authors
- Lewis, M., Kim, M. H., Liu, E. J., Wang, N., & Chu, K.-H.
- ORCID
- Lewis, Matthew
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2016-12
- Volume
- 320
- Pages
- 479-486
- ISSN
- 0304-3894
- Cited by
- 68
- References
- 8
- Language
- en
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