Chronic Environmental Perturbation Influences Microbial Community Assembly Patterns DOI Creative Commons
Lloyd D. Potts, Alex Douglas, Luis J. Perez Calderon

et al.

Environmental Science & Technology, Journal Year: 2022, Volume and Issue: 56(4), P. 2300 - 2311

Published: Feb. 1, 2022

Acute environmental perturbations are reported to induce deterministic microbial community assembly, while it is hypothesized that chronic promote development of alternative stable states. Such acute or strongly impact on the pre-adaptation capacity perturbation. To determine importance level and assembly processes following in context hydrocarbon contamination, a model system pristine polluted (hydrocarbon-contaminated) sediments was incubated absence presence (discrete repeated) amendment. The structure changed significantly perturbation, with selection different phylotypes not initially detectable. Conversely, historically maintained initial structure, historical legacy effect pollution likely facilitated stability. An state also reached further demonstrating existence effect. Finally, ecosystem functional resilience demonstrated through occurrence degradation by communities tested sites, but perturbation influenced biotic response. This study therefore demonstrates chronicity reveals

Language: Английский

Recent advances in the treatment of PAHs in the environment: Application of nanomaterial-based technologies DOI Creative Commons
Haneen I. Eldos, Nabil Zouari,

Suhur Saeed

et al.

Arabian Journal of Chemistry, Journal Year: 2022, Volume and Issue: 15(7), P. 103918 - 103918

Published: April 19, 2022

Polycyclic aromatic hydrocarbons (PAHs) are one of the most frequent petroleum detected in environment. PAHs receiving global attention due to their toxicity, environmental persistence, and potential bioaccumulation. contamination occurs mainly anthropogenic sources related disposal industrial domestic run-offs or atmospheric emissions from plants vehicles. Once introduced into environment, they undergo different processes either physical, chemical, biological transformations, which collectively known as weathering processes. These highly dependent on nature physiochemical properties molecules surrounding eventually will determine transport, fate, distribution environment through adsorption soil/sediments, volatilization atmosphere, dissolution water. Different treatment strategies for pollution have been introduced. Each remediation technology has its advantages disadvantages. To choose a treatment, full analysis case study should be provided, including target pollutant, site description, procedure. As contaminated sites is usually difficult expensive task, it would good choice go adaptive, sustainable, eco-friendly, efficient, cost-effective. In this review, with factors were elaborated. addition, paper provided an overview traditional advanced approaches used treat PAHs-contaminated such thermal, electrokinetic, nano-adsorption, treatments.

Language: Английский

Citations

57
Marine phytoplankton responses to oil and dispersant exposures: Knowledge gained since the Deepwater Horizon oil spill DOI Creative Commons
Antonietta Quigg, M. L. Parsons, Sibel Bargu

et al.

Marine Pollution Bulletin, Journal Year: 2021, Volume and Issue: 164, P. 112074 - 112074

Published: Feb. 2, 2021

The Deepwater Horizon oil spill of 2010 brought the ecology and health Gulf Mexico to forefront public's scientific community's attention. Not only did we need a better understanding how this impacted ecosystem, but also needed apply knowledge help assess impacts from perturbations in region guide future response actions. Phytoplankton represent base food web oceanic systems. As such, alterations phytoplankton community propagate upper trophic levels. This review brings together new insights into influence dispersant on phytoplankton. We bring laboratory, mesocosm field experiments, including novel observations harmful algal bloom (HAB) forming species zooplankton as well bacteria-phytoplankton interactions. finish by addressing gaps highlighting key topics for research areas.

Language: Английский

Citations

56
From Surface Water to the Deep Sea: A Review on Factors Affecting the Biodegradation of Spilled Oil in Marine Environment DOI Creative Commons
Hernando P. Bacosa, Sheila Mae B. Ancla, Cris Gel Loui A. Arcadio

et al.

Journal of Marine Science and Engineering, Journal Year: 2022, Volume and Issue: 10(3), P. 426 - 426

Published: March 15, 2022

Over the past century, demand for petroleum products has increased rapidly, leading to higher oil extraction, processing and transportation, which result in numerous spills coastal-marine environments. As spilled can negatively affect ecosystems, its transport fates captured a significant interest of scientific community regulatory agencies. Typically, environment natural mechanisms (e.g., photooxidation, biodegradation, evaporation) weather/degrade remove from environment. Among various weathering mechanisms, biodegradation by naturally occurring bacterial populations removes majority oil, thus focus on bioremediation significantly. Helping marginal recognition this promising technique oil-spill degradation, paper reviews recently published articles that will help broaden understanding factors affecting The goal review is examine effects environmental variables contribute degradation environments, as well influence these processes. Physico-chemical parameters such temperature, oxygen level, pressure, shoreline energy, salinity, pH are taken into account. In general, increase exposure sunlight (photooxidation), dissolved (DO), nutrients (nitrogen, phosphorous potassium), energy (physical advection—waves) diverse hydrocarbon-degrading microorganisms consortium were found marine contrast, initial concentration seawater pressure lower rates. There limited information influences salinity warranting additional research. This comprehensive be used guide modeling mitigating future spill pollution utilizing bacteria adapted certain conditions.

Language: Английский

Citations

47
Quorum Sensing Regulates Bacterial Processes That Play a Major Role in Marine Biogeochemical Cycles DOI Creative Commons
Marion Urvoy, Claire Labry, Stéphane L’Helguen

et al.

Frontiers in Marine Science, Journal Year: 2022, Volume and Issue: 9

Published: Feb. 2, 2022

Bacteria play a crucial role in marine biogeochemistry by releasing, consuming and transforming organic matter. Far from being isolated entities, bacteria are involved numerous cell–cell interactions. Among such interactions, quorum sensing (QS) allows to operate unison, synchronizing their actions through chemical communication. This review aims explore synthesize our current knowledge of the involvement QS regulation bacterial processes that ultimately impact biogeochemical cycles. We first describe principles communication renewed interest its study environments. Second, we highlight microniches where is most likely occur due high densities also hotspots bacterially mediated transformations. Many groups colonizing these harbor various systems. Thereafter, relevant QS-regulated environments, building on research performed both complex assemblages bacteria. pathways have been shown directly regulate matter degradation, carbon allocation nutrient acquisition but structure community composition mediating colonization microbial Finally, discuss limitations future perspectives better characterize link between expression mediation The picture drawn this highlights as one pivotal mechanisms impacting functions oceans, paving way for constrain

Language: Английский

Citations

38
Spatial distribution and partition of polycyclic aromatic hydrocarbons (PAHs) in the water and sediment of the southern Bohai Sea: Yellow River and PAH property influences DOI
Yuanxin Cao, Jing Wang, Ming Xin

et al.

Water Research, Journal Year: 2023, Volume and Issue: 248, P. 120873 - 120873

Published: Nov. 15, 2023

Language: Английский

Citations

35
Mechanistic insights into phenanthrene-triggered oxidative stress-associated neurotoxicity, genotoxicity, and behavioral disturbances toward the brandling worm (Eisenia fetida) brain: The need for an ecotoxicological evaluation DOI
Falin He, Rutao Liu

Journal of Hazardous Materials, Journal Year: 2023, Volume and Issue: 450, P. 131072 - 131072

Published: Feb. 24, 2023

Language: Английский

Citations

31
A comparative study of the impacts of polycyclic aromatic hydrocarbons in water and soils in Nigeria and Ghana: Towards a framework for public health protection DOI Creative Commons

Victoria Koshoffa Akinpelumi,

Kwakye George Kumi,

Amarachi Paschaline Onyena

et al.

Journal of Hazardous Materials Advances, Journal Year: 2023, Volume and Issue: 11, P. 100336 - 100336

Published: June 30, 2023

As industrialization increases to meet global need for social and economic development, clean soil water are increasingly becoming scarce resources due contaminations caused by industrial activities. Polycyclic aromatic hydrocarbons (PAHs) ubiquitous in the environment, however, they predominant natural resource-dependent economies where burning of fossil fuels exploration activities drive their release into environmental media daily. This study reviewed a comparative analysis PAH contamination Ghana Nigeria using published literature. Although evidence indicates limited studies Ghana, abundance research does not translate efficient effective control management measures. These measures crucial addressing exposure public health receptors high concentrations PAHs mitigating harmful effects, such as cancer suppression immune system. In addition, considering that elevated has been linked increased risk non-communicable diseases (NCDs), presence can promote growth bacteria other microorganisms, which increase communicable (CDs), therefore exacerbates disease burden thus significantly slows epidemiologic transition both countries. Given contextual similarities, this article articulates conceptual framework based on principles enhance prevention remediation The would serve an exemplar regions with similar contexts challenges.

Language: Английский

Citations

24
Petroleum hydrocarbon rich oil refinery sludge of North-East India harbours anaerobic, fermentative, sulfate-reducing, syntrophic and methanogenic microbial populations DOI Creative Commons
Ajoy Roy, Pinaki Sar,

Jayeeta Sarkar

et al.

BMC Microbiology, Journal Year: 2018, Volume and Issue: 18(1)

Published: Oct. 22, 2018

Sustainable management of voluminous and hazardous oily sludge produced by petroleum refineries remains a challenging problem worldwide. Characterization microbial communities contaminated sites has been considered as the essential prerequisite for implementation suitable bioremediation strategies. Three refinery samples from North Eastern India were analyzed using next-generation sequencing technology to explore diversity functional potential inhabitant microorganisms scope their on-site bioremediation.All hydrocarbon rich, anaerobic reduced with sulfate major anion several heavy metals. High throughput V3-16S rRNA genes metagenomes revealed dominance strictly anaerobic, fermentative, thermophilic, sulfate-reducing bacteria affiliated Coprothermobacter, Fervidobacterium, Treponema, Syntrophus, Thermodesulfovibrio, Anaerolinea, Syntrophobacter, Anaerostipes, Anaerobaculum, etc., which have well known degradation. Relatively higher proportions archaea detected qPCR. Archaeal 16S gene sequences showed presence methanogenic Methanobacterium, Methanosaeta, Thermoplasmatales, etc. Detection utilizing aerobic/facultative (Mycobacterium, Pseudomonas, Longilinea, Geobacter, etc.), nitrate reducing (Gordonia, Novosphigobium, etc.) nitrogen fixing (Azovibrio, Rhodobacter, suggested niche specific guilds aerobic, facultative strict populations. Phylogenetic Investigation Communities Reconstruction Unobserved States (PICRUSt) predicted putative genetic repertoire microbiomes degradation; lipid-, nitrogen-, sulfur- methane- metabolism. Methyl coenzyme M reductase A (mcrA) dissimilatory sulfite beta-subunit (dsrB) phylogeny confirmed activities within environment endowed hydrogenotrophic methanogens Deltaproteobacteria Firmicutes members.Refinery comprised degrading, sulfate-reducing, syntrophic, microorganisms, in accordance prevailing physicochemical nature samples. Analysis biomarker ascertained organisms environment. Overall data provided better insights on activity oil environment, could be exploited suitably situ sludge.

Language: Английский

Citations

72
Removal of polycyclic aromatic hydrocarbons during anaerobic biostimulation of marine sediments DOI
Francesco Bianco, Marco Race, Stefano Papirio

et al.

The Science of The Total Environment, Journal Year: 2019, Volume and Issue: 709, P. 136141 - 136141

Published: Dec. 18, 2019

Language: Английский

Citations

70
Biodegradation of marine oil spills in the Arctic with a Greenland perspective DOI
Leendert Vergeynst, Susse Wegeberg, Jens Aamand

et al.

The Science of The Total Environment, Journal Year: 2018, Volume and Issue: 626, P. 1243 - 1258

Published: Feb. 19, 2018

Language: Английский

Citations

68