Dynamic changes in the microbial community in the surface seawater of Jiaozhou Bay after crude oil spills: An in situ microcosm study

Zhou, Yumiao; Kong, Qiang; Zhao, Xinyu; Lin, Zhi‐Hao; Zhang, Huanxin

doi:10.1016/j.envpol.2022.119496

Cited by 10 publications

(5 citation statements)

References 69 publications

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“…This class is an indicator of contamination and has various hydrocarbon degraders. 41,42 We also noted Rhizobiales in oil-contaminated samples; it is part of the Alphaproteobacteria and is involved in nitrogen fixation. This process accelerates hydrocarbon reduction in sediment.…”

Section: Resultsmentioning

confidence: 86%

Functional response of microbial communities in lab-controlled oil-contaminated marine sediment

Poloni

Escalona

et al. 2023

Mol. Omics

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Section: Resultsmentioning

confidence: 86%

Functional response of microbial communities in lab-controlled oil-contaminated marine sediment

Poloni

Escalona

et al. 2023

Mol. Omics

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“…This suggests that taxon abundances in source water does not limit hydrocarbon degrader colonisation rates. Other obligate hydrocarbon degraders, Oleiphilus (Yakimov et al, 2022) and C1‐B045 Porticoccaceae (Zhou et al, 2022), were moderately abundant indicators for PVC beads at both the MAR and FP sites, indicating that plastisphere community ‘specialisation’ can also occur at locations downstream from pollution epicentres. Away from urban receiving waters, the relative read abundance of both taxa decreased (4.3% and 3.1% relative abundances of Oleiphilus and C1‐B045 Porticoccaceae , respectively, at MAR site; 1.6% and 1.5% relative abundances of Oleiphilus and C1‐B045 Porticoccaceae , respectively, at FP site).…”

Section: Discussionmentioning

confidence: 99%

Microbes and microplastics: Community shifts along an urban coastal contaminant gradient

Garrison,

Pachiadaki,

Soliman

et al. 2023

Environmental Microbiology

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Plastic substrates introduced to the environment during the Anthropocene have introduced new pathways for microbial selection and dispersal. Some plastic‐colonising microorganisms have adapted phenotypes for plastic degradation (selection), while the spatial transport (dispersal) potential of plastic colonisers remains controlled by polymer‐specific density, hydrography and currents. Plastic‐degrading enzyme abundances have recently been correlated with concentrations of plastic debris in open ocean environments, making it critical to better understand colonisation of hydrocarbon degraders with plastic degradation potential in urbanised watersheds where plastic pollution often originates. We found that microbial colonisation by reputed hydrocarbon degraders on microplastics (MPs) correlated with a spatial contaminant gradient (New York City/Long Island waterways), polymer types, temporal scales, microbial domains and putative cell activity (DNA vs. RNA). Hydrocarbon‐degrading taxa enriched on polyethylene and polyvinyl chloride substrates relative to other polymers and were more commonly recovered in samples proximal to New York City. These differences in MP colonisation could indicate phenotypic adaptation processes resulting from increased exposure to urban plastic runoff as well as differences in carbon bioavailability across polymer types. Shifts in MP community potential across urban coastal contaminant gradients and polymer types improve our understanding of environmental plastic discharge impacts toward biogeochemical cycling across the global ocean.

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“…Organisms of the Oceanospirillales group have been proposed as vital inhabitants of dispersant treated oil spills (Tremblay et al, 2017). Dispersants were determined in microcosm experiments to have stronger selective effects on dominant species than crude oil itself (Zhou et al, 2022). Higher trophic levels like phytoplankton are often inhibited by high dispersant doses resulting in lower total carbon cycling rates (Ortmann et al, 2012), because higher doses cause higher solution of hydrocarbons and toxic compounds (Echeveste et al, 2010;Jung et al, 2010).…”

Section: The Role Of Marine Oil Snow Biosurfactants and Dispersants F...mentioning

confidence: 99%

Natural and oil surface slicks as microbial habitats in marine systems: A mini review

Voskuhl

Rahlff

2022

Front. Mar. Sci.

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Natural and oil surface slicks are widespread phenomena at the air-water interface and represent visible surface films with distinct physicochemical and biological properties compared to non-slick surface films and underlying marine water. Both types of slicks have major functions in nourishing and dispersing surface-dwelling micro- and macroorganisms, contribute to particle generation and carbon cycling, and are known to accumulate pollutants. Despite these functions and the high frequency of slicks in the marine environment, slicks are little understood considering their microbial inhabitants and contributions of these organisms for natural and oil slick establishment, function, and ecology. Our mini review summarizes the current knowledge of microbial life in natural slicks, natural and anthropogenic oil slicks, including the major knowledge gaps and perspectives for future research. Overall, we aim for an increased awareness about the existence of natural slicks, the differentiation between natural and anthropogenic oil slicks and an improved reporting of slick events during sampling of surface film and seawater from the epipelagic zone.

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Dynamic changes in the microbial community in the surface seawater of Jiaozhou Bay after crude oil spills: An in situ microcosm study

Cited by 10 publications

References 69 publications

Functional response of microbial communities in lab-controlled oil-contaminated marine sediment

Functional response of microbial communities in lab-controlled oil-contaminated marine sediment

Microbes and microplastics: Community shifts along an urban coastal contaminant gradient

Natural and oil surface slicks as microbial habitats in marine systems: A mini review

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