Hydrocarbon-Degrading Microbial Consortia for Oil Drilling Waste Treatments in Arid Environments

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Water, Air, & Soil Pollution Pub Date : 2024-10-29 DOI:10.1007/s11270-024-07583-7

Samia Haddadi, Christine Cagnon, Djamel Zeriri, Cristiana Cravo-Laureau, Robert Duran

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Abstract

Bioremediation is a promising environmental friendly strategy for the treatment of oil drilling waste, which is particularly challenging in arid areas concerned by high petroleum production activities. Microbial consortia adapted to such environmental conditions are required for the implementation of bioaugmentation treatments. Here four metal(loid)s-resistant hydrocarbon-degrading microbial consortia growing at 40 °C were obtained from oil drilling waste maintained in different phyto-management conditions. The microbial consortia exhibited different microbial compositions with the capacity to degrade 15 to 35% of total petroleum hydrocarbon in 15 days. The hydrocarbon degradation resulted in different hydrocarbon fraction profiles underpinned by the presence of 14 specific OTUs revealed by linear discriminant analysis effect size (LEfSe). Each consortium was characterized by the presence of genera groups, defined according to their correlation with the hydrocarbon fractions, explaining their different degradation capacity and the resulting hydrocarbon fraction profiles. Thus, these consortia can be used in combination or successively to implement bioremediation strategies for the treatment of multi-contaminated oil drilling waste in arid environments.

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干旱环境中用于处理石油钻井废物的碳氢化合物降解微生物联合体

生物修复是处理石油钻井废弃物的一种前景广阔的环境友好战略，在石油生产活动频繁的干旱地区尤其具有挑战性。实施生物增量处理需要适应这种环境条件的微生物群落。本文从不同植物管理条件下的石油钻井废料中获得了四种在 40 °C 下生长的耐金属（loid）烃降解微生物群。这些微生物群表现出不同的微生物组成，能够在 15 天内降解 15% 至 35% 的总石油烃。通过线性判别分析效应大小（LEfSe）显示的 14 个特定 OTU 的存在，碳氢化合物降解产生了不同的碳氢化合物组分特征。每个菌群的特征都是根据其与碳氢化合物馏分的相关性定义的菌属群的存在，从而解释了它们不同的降解能力和由此产生的碳氢化合物馏分特征。因此，这些菌群可以组合使用或连续使用，以实施生物修复战略，处理干旱环境中受到多重污染的石油钻井废弃物。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.