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北极海洋环境中基于宏基因组学和酶学水平的微生物降解烃类污染物的应用综述及文献计量分析

A Review and Bibliometric Analysis on Applications of Microbial Degradation of Hydrocarbon Contaminants in Arctic Marine Environment at Metagenomic and Enzymatic Levels.

机构信息

Department of Biochemistry, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia.

School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia.

出版信息

Int J Environ Res Public Health. 2021 Feb 9;18(4):1671. doi: 10.3390/ijerph18041671.

Abstract

The globe is presently reliant on natural resources, fossil fuels, and crude oil to support the world's energy requirements. Human exploration for oil resources is always associated with irreversible effects. Primary sources of hydrocarbon pollution are instigated through oil exploration, extraction, and transportation in the Arctic region. To address the state of pollution, it is necessary to understand the mechanisms and processes of the bioremediation of hydrocarbons. The application of various microbial communities originated from the Arctic can provide a better interpretation on the mechanisms of specific microbes in the biodegradation process. The composition of oil and consequences of hydrocarbon pollutants to the various marine environments are also discussed in this paper. An overview of emerging trends on literature or research publications published in the last decade was compiled via bibliometric analysis in relation to the topic of interest, which is the microbial community present in the Arctic and Antarctic marine environments. This review also presents the hydrocarbon-degrading microbial community present in the Arctic, biodegradation metabolic pathways (enzymatic level), and capacity of microbial degradation from the perspective of metagenomics. The limitations are stated and recommendations are proposed for future research prospects on biodegradation of oil contaminants by microbial community at the low temperature regions of the Arctic.

摘要

目前,全球依赖自然资源、化石燃料和原油来满足世界的能源需求。人类对石油资源的勘探总是伴随着不可逆转的影响。烃类污染的主要来源是通过在北极地区进行石油勘探、开采和运输引发的。为了解决污染问题,有必要了解烃类生物修复的机制和过程。应用于各种源自北极的微生物群落,可以更好地解释特定微生物在生物降解过程中的作用机制。本文还讨论了石油的组成以及碳氢化合物污染物对各种海洋环境的影响。本文通过文献计量分析,对过去十年中与北极和南极海洋环境中微生物群落这一主题相关的文献或研究出版物进行了综述,概述了新兴趋势。本综述还从宏基因组学的角度介绍了北极存在的烃类降解微生物群落、生物降解代谢途径(酶水平)以及微生物降解能力。本文还陈述了局限性,并为未来在北极低温地区通过微生物群落进行石油污染物生物降解的研究前景提出了建议。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a4/7916232/74a6c94c27d2/ijerph-18-01671-g001.jpg

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