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    Rights statement: This is the author’s version of a work that was accepted for publication in International Biodeterioration & Biodegradation. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Biodeterioration & Biodegradation, 125, 2017 DOI: 10.1016/j.ibiod.2017.09.013

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Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils. / Okere, Uchechukwu V.; Cabrerizo, Ana; Dachs, Jordi et al.
In: International Biodeterioration and Biodegradation, Vol. 125, 11.2017, p. 189-199.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Okere, UV, Cabrerizo, A, Dachs, J, Ogbonnaya, UO, Jones, KC & Semple, KT 2017, 'Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils', International Biodeterioration and Biodegradation, vol. 125, pp. 189-199. https://doi.org/10.1016/j.ibiod.2017.09.013

APA

Okere, U. V., Cabrerizo, A., Dachs, J., Ogbonnaya, U. O., Jones, K. C., & Semple, K. T. (2017). Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils. International Biodeterioration and Biodegradation, 125, 189-199. https://doi.org/10.1016/j.ibiod.2017.09.013

Vancouver

Okere UV, Cabrerizo A, Dachs J, Ogbonnaya UO, Jones KC, Semple KT. Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils. International Biodeterioration and Biodegradation. 2017 Nov;125:189-199. Epub 2017 Oct 4. doi: 10.1016/j.ibiod.2017.09.013

Author

Okere, Uchechukwu V. ; Cabrerizo, Ana ; Dachs, Jordi et al. / Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils. In: International Biodeterioration and Biodegradation. 2017 ; Vol. 125. pp. 189-199.

Bibtex

@article{049c76f158984d21a15b0f1c8f648253,
title = "Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils",
abstract = "Abstract The aim of this study was to investigate the biodegradation of phenanthrene in five Antarctic soils over 150 days at various temperatures and under slurry conditions. The development of catabolic activity was measured over time (1, 30, 60, 150 days) by the addition of 14C-phenanthrene and measuring changes in the lag phases, rates and extents of 14C-phenanthrene degradation. As the temperature increased (4 °C, 12 °C, 22 °C, 22 °C slurry), the highest extents of 14C-phenanthrene mineralisation increased significantly (0.46%, 12.21%, 24.82%, 60.81%), respectively. This was due to changes in the water availability and 14C-phenanthrene dissolution in aqueous phase, thus enhancing bioaccessibility of the contaminant to indigenous microorganisms within the soil. High catabolic activities can develop in Antarctic soils where appropriate conditions are ensured. However, further studies are however needed to explore the changes in microbial community structure that occur at different incubation temperatures.",
keywords = "Antarctica, Pre-exposure, Biodegradation, 14C-phenanthrene",
author = "Okere, {Uchechukwu V.} and Ana Cabrerizo and Jordi Dachs and Ogbonnaya, {Uchenna O.} and Jones, {Kevin C.} and Semple, {Kirk T.}",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in International Biodeterioration & Biodegradation. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Biodeterioration & Biodegradation, 125, 2017 DOI: 10.1016/j.ibiod.2017.09.013 ",
year = "2017",
month = nov,
doi = "10.1016/j.ibiod.2017.09.013",
language = "English",
volume = "125",
pages = "189--199",
journal = "International Biodeterioration and Biodegradation",
issn = "0964-8305",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Effects of pre-exposure on the indigenous biodegradation of 14C-phenanthrene in Antarctic soils

AU - Okere, Uchechukwu V.

AU - Cabrerizo, Ana

AU - Dachs, Jordi

AU - Ogbonnaya, Uchenna O.

AU - Jones, Kevin C.

AU - Semple, Kirk T.

N1 - This is the author’s version of a work that was accepted for publication in International Biodeterioration & Biodegradation. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Biodeterioration & Biodegradation, 125, 2017 DOI: 10.1016/j.ibiod.2017.09.013

PY - 2017/11

Y1 - 2017/11

N2 - Abstract The aim of this study was to investigate the biodegradation of phenanthrene in five Antarctic soils over 150 days at various temperatures and under slurry conditions. The development of catabolic activity was measured over time (1, 30, 60, 150 days) by the addition of 14C-phenanthrene and measuring changes in the lag phases, rates and extents of 14C-phenanthrene degradation. As the temperature increased (4 °C, 12 °C, 22 °C, 22 °C slurry), the highest extents of 14C-phenanthrene mineralisation increased significantly (0.46%, 12.21%, 24.82%, 60.81%), respectively. This was due to changes in the water availability and 14C-phenanthrene dissolution in aqueous phase, thus enhancing bioaccessibility of the contaminant to indigenous microorganisms within the soil. High catabolic activities can develop in Antarctic soils where appropriate conditions are ensured. However, further studies are however needed to explore the changes in microbial community structure that occur at different incubation temperatures.

AB - Abstract The aim of this study was to investigate the biodegradation of phenanthrene in five Antarctic soils over 150 days at various temperatures and under slurry conditions. The development of catabolic activity was measured over time (1, 30, 60, 150 days) by the addition of 14C-phenanthrene and measuring changes in the lag phases, rates and extents of 14C-phenanthrene degradation. As the temperature increased (4 °C, 12 °C, 22 °C, 22 °C slurry), the highest extents of 14C-phenanthrene mineralisation increased significantly (0.46%, 12.21%, 24.82%, 60.81%), respectively. This was due to changes in the water availability and 14C-phenanthrene dissolution in aqueous phase, thus enhancing bioaccessibility of the contaminant to indigenous microorganisms within the soil. High catabolic activities can develop in Antarctic soils where appropriate conditions are ensured. However, further studies are however needed to explore the changes in microbial community structure that occur at different incubation temperatures.

KW - Antarctica

KW - Pre-exposure

KW - Biodegradation

KW - 14C-phenanthrene

U2 - 10.1016/j.ibiod.2017.09.013

DO - 10.1016/j.ibiod.2017.09.013

M3 - Journal article

VL - 125

SP - 189

EP - 199

JO - International Biodeterioration and Biodegradation

JF - International Biodeterioration and Biodegradation

SN - 0964-8305

ER -