Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants

Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Li, Yanlin [verfasserIn] Bako, Christian M. [verfasserIn] Saktrakulkla, Panithi [verfasserIn] Lehmler, Hans-Joachim [verfasserIn] Hornbuckle, Keri C. [verfasserIn] Schnoor, Jerald L. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants

Übergeordnetes Werk:	Enthalten in: The science of the total environment - Amsterdam [u.a.] : Elsevier Science, 1972, 785
Übergeordnetes Werk:	volume:785

DOI / URN:	10.1016/j.scitotenv.2021.147341

Katalog-ID:	ELV006113265

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245	1	0	\|a Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
264		1	\|c 2021
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520			\|a Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates.
650		4	\|a Interconversion
650		4	\|a MeO-PCB 3
650		4	\|a OH-PCB 3
650		4	\|a PCB 3 sulfates
650		4	\|a Poplar plants
700	1		\|a Bako, Christian M. \|e verfasserin \|4 aut
700	1		\|a Saktrakulkla, Panithi \|e verfasserin \|4 aut
700	1		\|a Lehmler, Hans-Joachim \|e verfasserin \|4 aut
700	1		\|a Hornbuckle, Keri C. \|e verfasserin \|4 aut
700	1		\|a Schnoor, Jerald L. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t The science of the total environment \|d Amsterdam [u.a.] : Elsevier Science, 1972 \|g 785 \|h Online-Ressource \|w (DE-627)306591456 \|w (DE-600)1498726-0 \|w (DE-576)081953178 \|x 1879-1026 \|7 nnns
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912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
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912			\|a GBV_ILN_4335
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936	b	k	\|a 43.12 \|j Umweltchemie
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publishDate	2021
allfields	10.1016/j.scitotenv.2021.147341 doi (DE-627)ELV006113265 (ELSEVIER)S0048-9697(21)02412-8 DE-627 ger DE-627 rda eng 333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Li, Yanlin verfasserin aut Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants Bako, Christian M. verfasserin aut Saktrakulkla, Panithi verfasserin aut Lehmler, Hans-Joachim verfasserin aut Hornbuckle, Keri C. verfasserin aut Schnoor, Jerald L. verfasserin aut Enthalten in The science of the total environment Amsterdam [u.a.] : Elsevier Science, 1972 785 Online-Ressource (DE-627)306591456 (DE-600)1498726-0 (DE-576)081953178 1879-1026 nnns volume:785 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.12 Umweltchemie 43.13 Umwelttoxikologie 44.13 Medizinische Ökologie AR 785
spelling	10.1016/j.scitotenv.2021.147341 doi (DE-627)ELV006113265 (ELSEVIER)S0048-9697(21)02412-8 DE-627 ger DE-627 rda eng 333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Li, Yanlin verfasserin aut Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants Bako, Christian M. verfasserin aut Saktrakulkla, Panithi verfasserin aut Lehmler, Hans-Joachim verfasserin aut Hornbuckle, Keri C. verfasserin aut Schnoor, Jerald L. verfasserin aut Enthalten in The science of the total environment Amsterdam [u.a.] : Elsevier Science, 1972 785 Online-Ressource (DE-627)306591456 (DE-600)1498726-0 (DE-576)081953178 1879-1026 nnns volume:785 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.12 Umweltchemie 43.13 Umwelttoxikologie 44.13 Medizinische Ökologie AR 785
allfields_unstemmed	10.1016/j.scitotenv.2021.147341 doi (DE-627)ELV006113265 (ELSEVIER)S0048-9697(21)02412-8 DE-627 ger DE-627 rda eng 333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Li, Yanlin verfasserin aut Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants Bako, Christian M. verfasserin aut Saktrakulkla, Panithi verfasserin aut Lehmler, Hans-Joachim verfasserin aut Hornbuckle, Keri C. verfasserin aut Schnoor, Jerald L. verfasserin aut Enthalten in The science of the total environment Amsterdam [u.a.] : Elsevier Science, 1972 785 Online-Ressource (DE-627)306591456 (DE-600)1498726-0 (DE-576)081953178 1879-1026 nnns volume:785 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.12 Umweltchemie 43.13 Umwelttoxikologie 44.13 Medizinische Ökologie AR 785
allfieldsGer	10.1016/j.scitotenv.2021.147341 doi (DE-627)ELV006113265 (ELSEVIER)S0048-9697(21)02412-8 DE-627 ger DE-627 rda eng 333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Li, Yanlin verfasserin aut Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants Bako, Christian M. verfasserin aut Saktrakulkla, Panithi verfasserin aut Lehmler, Hans-Joachim verfasserin aut Hornbuckle, Keri C. verfasserin aut Schnoor, Jerald L. verfasserin aut Enthalten in The science of the total environment Amsterdam [u.a.] : Elsevier Science, 1972 785 Online-Ressource (DE-627)306591456 (DE-600)1498726-0 (DE-576)081953178 1879-1026 nnns volume:785 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.12 Umweltchemie 43.13 Umwelttoxikologie 44.13 Medizinische Ökologie AR 785
allfieldsSound	10.1016/j.scitotenv.2021.147341 doi (DE-627)ELV006113265 (ELSEVIER)S0048-9697(21)02412-8 DE-627 ger DE-627 rda eng 333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Li, Yanlin verfasserin aut Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates. Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants Bako, Christian M. verfasserin aut Saktrakulkla, Panithi verfasserin aut Lehmler, Hans-Joachim verfasserin aut Hornbuckle, Keri C. verfasserin aut Schnoor, Jerald L. verfasserin aut Enthalten in The science of the total environment Amsterdam [u.a.] : Elsevier Science, 1972 785 Online-Ressource (DE-627)306591456 (DE-600)1498726-0 (DE-576)081953178 1879-1026 nnns volume:785 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 43.12 Umweltchemie 43.13 Umwelttoxikologie 44.13 Medizinische Ökologie AR 785
language	English
source	Enthalten in The science of the total environment 785 volume:785
sourceStr	Enthalten in The science of the total environment 785 volume:785
format_phy_str_mv	Article
bklname	Umweltchemie Umwelttoxikologie Medizinische Ökologie
institution	findex.gbv.de
topic_facet	Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants
dewey-raw	333.7
isfreeaccess_bool	false
container_title	The science of the total environment
authorswithroles_txt_mv	Li, Yanlin @@aut@@ Bako, Christian M. @@aut@@ Saktrakulkla, Panithi @@aut@@ Lehmler, Hans-Joachim @@aut@@ Hornbuckle, Keri C. @@aut@@ Schnoor, Jerald L. @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	306591456
dewey-sort	3333.7
id	ELV006113265
language_de	englisch
fullrecord	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV006113265</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524140549.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230505s2021 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.scitotenv.2021.147341</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV006113265</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0048-9697(21)02412-8</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">333.7</subfield><subfield code="a">610</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.12</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">44.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Li, Yanlin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. 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author	Li, Yanlin
spellingShingle	Li, Yanlin ddc 333.7 bkl 43.12 bkl 43.13 bkl 44.13 misc Interconversion misc MeO-PCB 3 misc OH-PCB 3 misc PCB 3 sulfates misc Poplar plants Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
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topic_title	333.7 610 DE-600 43.12 bkl 43.13 bkl 44.13 bkl Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants Interconversion MeO-PCB 3 OH-PCB 3 PCB 3 sulfates Poplar plants
topic	ddc 333.7 bkl 43.12 bkl 43.13 bkl 44.13 misc Interconversion misc MeO-PCB 3 misc OH-PCB 3 misc PCB 3 sulfates misc Poplar plants
topic_unstemmed	ddc 333.7 bkl 43.12 bkl 43.13 bkl 44.13 misc Interconversion misc MeO-PCB 3 misc OH-PCB 3 misc PCB 3 sulfates misc Poplar plants
topic_browse	ddc 333.7 bkl 43.12 bkl 43.13 bkl 44.13 misc Interconversion misc MeO-PCB 3 misc OH-PCB 3 misc PCB 3 sulfates misc Poplar plants
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title	Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
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title_full	Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
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journal	The science of the total environment
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author_browse	Li, Yanlin Bako, Christian M. Saktrakulkla, Panithi Lehmler, Hans-Joachim Hornbuckle, Keri C. Schnoor, Jerald L.
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doi_str_mv	10.1016/j.scitotenv.2021.147341
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title_sort	interconversion between methoxylated, hydroxylated and sulfated metabolites of pcb 3 in whole poplar plants
title_auth	Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
abstract	Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates.
abstractGer	Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates.
abstract_unstemmed	Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates.
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title_short	Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants
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up_date	2024-07-06T20:16:08.029Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV006113265</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524140549.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230505s2021 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.scitotenv.2021.147341</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV006113265</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0048-9697(21)02412-8</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">333.7</subfield><subfield code="a">610</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.12</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">44.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Li, Yanlin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Methoxylated polychlorinated biphenyls (MeO-PCBs) are overlooked metabolites of PCBs. In general, they are more toxic to plants than their parent congeners. However, information on the fate of MeO-PCBs and the relationship between methoxylated, hydroxylated and sulfated metabolites of PCBs in plants is scarce. In this work, poplar plants (Populus deltoides × nigra, DN34) were hydroponically and separately exposed to 4′-methoxy-4-monochlorobiphenyl (4′-MeO-PCB 3) and 4′-PCB 3 sulfate for 10 days to investigate the uptake, translocation and metabolism of MeO-PCBs and the relationship between methoxy-PCBs, hydroxyl-PCBs and PCB sulfates within plants. Results showed that 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were taken up by the roots of poplar plants and translocated from roots to shoots and leaves. 4′-OH-PCB 3 and 4′-PCB 3 sulfate were identified as the hydroxylated metabolite and sulfate metabolite of 4′-MeO-PCB 3 in poplar, respectively. In the backward reaction, 4′-OH-PCB 3 and 4′-MeO-PCB 3 were found as metabolites of 4′-PCB 3 sulfate. For exposure groups, the yields of 4′-OH-PCB 3 produced from 4′-MeO-PCB 3 and 4′-PCB 3 sulfate were 1.29% and 0.13% respectively. The yield of 4′-PCB 3 sulfate which originated from 4′-MeO-PCB 3 in wood and root samples of exposure groups was only 0.02%. Only 0.04% of the initial mass of 4′-PCB 3 sulfate was transformed to 4′-MeO-PCB 3 in the exposure groups. The sulfation yield of 4′-OH-PCB 3 was higher than hydrolysis yield of 4′-PCB 3 sulfate, indicating that formation of PCB sulfates was predominant over the reverse reaction, the formation of hydroxy-PCBs. These results provide new perspective on the transport, metabolism, and fate of MeO-PCBs, and also help to better understand sources of OH-PCBs and PCB sulfates in the environment. This study provides the first evidence of interconversion of sulfate metabolites from methoxy-PCBs and methoxy-PCBs from PCB sulfates.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Interconversion</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">MeO-PCB 3</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">OH-PCB 3</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">PCB 3 sulfates</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Poplar plants</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bako, Christian M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Saktrakulkla, Panithi</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" 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Interconversion between methoxylated, hydroxylated and sulfated metabolites of PCB 3 in whole poplar plants

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