Deciphering Indigenous Bacterial Diversity of Co-Polluted Sites to Unravel Its Bioremediation Potential: A Metagenomic Approach

IF 3.5 4区 生物学 Q2 MICROBIOLOGY
Manoj Kumar, Harvinder Singh Saini
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引用次数: 0

Abstract

Polluted drains across the globe are affected due to reckless disposal of untreated industrial effluents resulting in significant water pollution affecting microbial community structure/dynamics. To elucidate this, polluted samples were collected from Budha Nala (BN) drain, Tung Dhab (TD) drain, and wastewater treatment plant (WWTP) receiving an inflow of organic pollutants as well as heavy metals due to anthropogenic activities. The sample of unpolluted pristine soil (PS) was used as control, as there is no history of usage of organic chemicals at this site. The bacterial diversity of these samples was sequenced using the Illumina MiSeq platform by amplifying the V3/V4 region of 16S rRNA. The majority of operational taxonomic unit (OTUs) at polluted sites belonged to phyla Proteobacteria specifically Gammaproteobacteria class, followed by Actinobacteria, Bacteriodetes, Chloroflexi, Firmicutes, Planctomycetes, WS6, and TM7, whereas unpolluted site revealed the prevalence of Proteobacteria followed by Actinobacteria, Planctomycetes, Firmicutes, Acidobacteria, Chloroflexi, Bacteroidetes, Verrucomicrobia, and Nitrospirae. The data sets decode unclassified species of the phyla Proteobacteria, Bacteriodetes, Chloroflexi, Firmicutes, and WS6, along with some unclassified bacterial species. The study provided a comparative study of changed microbial community structure, their possible functions across diverse geographical locations, and identifying specific bacterial genera as pollution bio-indicators of aged polluted drains.

解密共污染场地的本地细菌多样性,挖掘其生物修复潜力:元基因组学方法
由于肆意排放未经处理的工业废水,全球各地的受污染排水沟都受到了影响,造成了严重的水污染,影响了微生物群落的结构/动力学。为了阐明这一点,研究人员从 Budha Nala(BN)排水沟、Tung Dhab(TD)排水沟和废水处理厂(WWTP)收集了受污染的样本,这些样本因人为活动而受到有机污染物和重金属的影响。未受污染的原生态土壤(PS)样本被用作对照,因为该地点没有使用有机化学品的历史。通过扩增 16S rRNA 的 V3/V4 区域,利用 Illumina MiSeq 平台对这些样本的细菌多样性进行了测序。受污染地点的大多数操作分类单元(OTUs)属于变形菌门,特别是担子菌门,其次是放线菌门、杆菌门、绿菌门、固形菌门、扁孢菌门、WS6 和 TM7、WS6 和 TM7,而未受污染的地点则普遍存在变形菌类,其次是放线菌类、 Planctomycetes、Firmicutes、Acidobacteria、Chloroflexi、Bacteroidetes、Verrucomicrobia 和 Nitrospirae。这些数据集解码了变形菌门、细菌门、绿僵菌门、固形菌门和 WS6 门的未分类物种,以及一些未分类的细菌物种。该研究对不同地理位置变化的微生物群落结构及其可能的功能进行了比较研究,并确定了特定细菌属作为老化污染排水沟的污染生物指标。
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来源期刊
Journal of Basic Microbiology
Journal of Basic Microbiology 生物-微生物学
CiteScore
6.10
自引率
0.00%
发文量
134
审稿时长
1.8 months
期刊介绍: The Journal of Basic Microbiology (JBM) publishes primary research papers on both procaryotic and eucaryotic microorganisms, including bacteria, archaea, fungi, algae, protozoans, phages, viruses, viroids and prions. Papers published deal with: microbial interactions (pathogenic, mutualistic, environmental), ecology, physiology, genetics and cell biology/development, new methodologies, i.e., new imaging technologies (e.g. video-fluorescence microscopy, modern TEM applications) novel molecular biology methods (e.g. PCR-based gene targeting or cassettes for cloning of GFP constructs).
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