Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea

Abstract This study for the first time provides insight into the bacterial community in the benthic region of the Off‐Terengganu Coastline, which is considered to be anthropogenically polluted due to heavy fishing vessel commotion. Subsurface bacteria were randomly collected from two locations at di...

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Main Authors: Zahar Marziah, Akbariah Mahdzir, Md. Nor Musa, Abu Bakar Jaafar, Azran Azhim, Hirofumi Hara
Format: Article
Language:English
Published: Wiley 2016-12-01
Series:MicrobiologyOpen
Subjects:
Online Access:https://doi.org/10.1002/mbo3.380
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author Zahar Marziah
Akbariah Mahdzir
Md. Nor Musa
Abu Bakar Jaafar
Azran Azhim
Hirofumi Hara
author_facet Zahar Marziah
Akbariah Mahdzir
Md. Nor Musa
Abu Bakar Jaafar
Azran Azhim
Hirofumi Hara
author_sort Zahar Marziah
collection DOAJ
description Abstract This study for the first time provides insight into the bacterial community in the benthic region of the Off‐Terengganu Coastline, which is considered to be anthropogenically polluted due to heavy fishing vessel commotion. Subsurface bacteria were randomly collected from two locations at different depths and were examined using the 16S rDNA V3‐V4 marker gene on the Illumina™ Miseq platform. In addition, the physiochemical parameters of the sediment were also measured. Surprisingly, the results show a high diversity of sulfur‐oxidizing bacteria in the surveyed area, where Sulfurovum sp. was identified to predominate the overall bacterial community. The physiochemical parameters reveal insufficient evidence of hydrothermal vents in the surveyed area. However, there are traces of hydrocarbon pollutants such as gasoline, diesel, and mineral oil in this area. It is assumed that sediment accumulation in the lee of breakwater plays an important role in trapping the runoff from the nearby harbor, which includes oil spills. Based on the common knowledge, Sulvurofum sp. is a native bacterium that exists in deep hydrothermal vents and volcanic territories. Although the reason for the abundance of Sulfurovum sp. in the surveyed area is still unclear, there is a possibility that metabolic adaptation plays an important role in regulating hydrocarbon pollutants for survival. The work presented in this paper therefore has profound implications for future studies on Sulfurovum sp. versatility. However, future research is needed to strengthen the findings of this study and to provide a better evidence regarding the metabolic response of this bacterium toward hydrocarbon pollutants.
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spelling doaj.art-3e6a770b839c42c5bddbba8a7f3d6e592022-12-21T22:04:47ZengWileyMicrobiologyOpen2045-88272016-12-015696797810.1002/mbo3.380Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China SeaZahar Marziah0Akbariah Mahdzir1Md. Nor Musa2Abu Bakar Jaafar3Azran Azhim4Hirofumi Hara5Malaysia‐Japan International Institute of Technology Universiti Teknologi Malaysia Jalan Sultan Yahya Petra Kuala Lumpur 54100 MalaysiaMalaysia‐Japan International Institute of Technology Universiti Teknologi Malaysia Jalan Sultan Yahya Petra Kuala Lumpur 54100 MalaysiaOcean Thermal Energy Centre (OTEC‐KL) Universiti Teknologi Malaysia Jalan Sultan Yahya Petra Kuala Lumpur 54100 MalaysiaPerdana School of Science Technology and Innovation Policy Universiti Teknologi Malaysia Jalan Sultan Yahya Petra Kuala Lumpur 54100 MalaysiaKuliyyah of Science International Islamic University Malaysia Kuantan 25200 MalaysiaMalaysia‐Japan International Institute of Technology Universiti Teknologi Malaysia Jalan Sultan Yahya Petra Kuala Lumpur 54100 MalaysiaAbstract This study for the first time provides insight into the bacterial community in the benthic region of the Off‐Terengganu Coastline, which is considered to be anthropogenically polluted due to heavy fishing vessel commotion. Subsurface bacteria were randomly collected from two locations at different depths and were examined using the 16S rDNA V3‐V4 marker gene on the Illumina™ Miseq platform. In addition, the physiochemical parameters of the sediment were also measured. Surprisingly, the results show a high diversity of sulfur‐oxidizing bacteria in the surveyed area, where Sulfurovum sp. was identified to predominate the overall bacterial community. The physiochemical parameters reveal insufficient evidence of hydrothermal vents in the surveyed area. However, there are traces of hydrocarbon pollutants such as gasoline, diesel, and mineral oil in this area. It is assumed that sediment accumulation in the lee of breakwater plays an important role in trapping the runoff from the nearby harbor, which includes oil spills. Based on the common knowledge, Sulvurofum sp. is a native bacterium that exists in deep hydrothermal vents and volcanic territories. Although the reason for the abundance of Sulfurovum sp. in the surveyed area is still unclear, there is a possibility that metabolic adaptation plays an important role in regulating hydrocarbon pollutants for survival. The work presented in this paper therefore has profound implications for future studies on Sulfurovum sp. versatility. However, future research is needed to strengthen the findings of this study and to provide a better evidence regarding the metabolic response of this bacterium toward hydrocarbon pollutants.https://doi.org/10.1002/mbo3.380Biodiversityenvironmental microbiologyhydrocarbon degradationmarine metagenome
spellingShingle Zahar Marziah
Akbariah Mahdzir
Md. Nor Musa
Abu Bakar Jaafar
Azran Azhim
Hirofumi Hara
Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
MicrobiologyOpen
Biodiversity
environmental microbiology
hydrocarbon degradation
marine metagenome
title Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
title_full Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
title_fullStr Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
title_full_unstemmed Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
title_short Abundance of sulfur‐degrading bacteria in a benthic bacterial community of shallow sea sediment in the off‐Terengganu coast of the South China Sea
title_sort abundance of sulfur degrading bacteria in a benthic bacterial community of shallow sea sediment in the off terengganu coast of the south china sea
topic Biodiversity
environmental microbiology
hydrocarbon degradation
marine metagenome
url https://doi.org/10.1002/mbo3.380
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