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      Distribution characteristics of microbial community structure in atmospheric particulates of the typical industrial city in Jiangsu province, China

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      Author(s): , , ,
      Publication date (Electronic, pub):
      Publication date (Electronic, collection):
      Journal: Bioengineered
      Publisher: Taylor & Francis
      Keywords: Atmospheric particulates, microbial community, industrial city, haze, PM2.5, PM10, Xuzhou

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          ABSTRACT

          In this study, Xuzhou, a typical industrial city in the north of Jiangsu Province, was chosen to investigate the pollution level of atmospheric particulates. The proportion of fine particles (PM 2.5) in PM 10 is larger than that of coarse particles (about 58%). The physicochemical properties of PM 2.5 were analyzed by SEM and EDS. DGGE was used to study the distribution characteristics of bacterial community structure on atmospheric particulates (TSP, PM 2.5 and PM 10) in different functional areas of Xuzhou city during the winter haze. It was found that the microbial populations of atmospheric particles were mainly divided into three groups: Proteobacteria, Bacteroidetes, and Pachytenella. The community structure of bacteria in fine particle size was more abundant than that in coarse particle size. When haze occurs, the concentration of all kinds of pathogens in fine particle size will increase. Therefore, it is necessary to focus on the monitoring and management of fine particles.

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          Introducing mothur: open-source, platform-independent, community-supported software for describing and comparing microbial communities.

          Patrick Schloss, Sarah Westcott, Thomas Ryabin … (2009)
          mothur aims to be a comprehensive software package that allows users to use a single piece of software to analyze community sequence data. It builds upon previous tools to provide a flexible and powerful software package for analyzing sequencing data. As a case study, we used mothur to trim, screen, and align sequences; calculate distances; assign sequences to operational taxonomic units; and describe the alpha and beta diversity of eight marine samples previously characterized by pyrosequencing of 16S rRNA gene fragments. This analysis of more than 222,000 sequences was completed in less than 2 h with a laptop computer.
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            Global dispersion of bacterial cells on Asian dust

            Nobuyasu Yamaguchi, Tomoaki Ichijo, Akiko Sakotani … (2012)
            The atmospheric dispersion of bacteria over long distances is an important facet of microbial ecology. Certain groups of dispersed bacteria can adapt to their new location and affect established ecosystems. Aeolian dust particles are known to be carriers of microbes but further research is needed to expand our understanding of this field of microbiology. Here we showed the potential of aeolian dust to global migration of bacterial cells. We demonstrated the presence of microbial cells on dust particles directly by bio-imaging. Bacterial abundance on dust particles declined from 105 to less than 103 cells/m3 as the dust event subsided. Taxonomically diverse bacteria were identified by 16S rRNA gene sequencing and some of these bacteria retained growth potential. Our results confirm that bacteria can attach to aeolian dust particles and they have the potential to migrate globally during dust events and thus can contribute to the diversity of downwind ecosystems.
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              High abundance of ammonia-oxidizing Archaea in coastal waters, determined using a modified DNA extraction method.

              Willm Martens-Habbena, Peter D. Stahl, Hidetoshi Urakawa (2010)
              Molecular characterizations of environmental microbial populations based on recovery and analysis of DNA generally assume efficient or unbiased extraction of DNA from different sample matrices and microbial groups. Appropriate controls to verify this basic assumption are rarely included. Here three different DNA extractions, performed with two commercial kits (FastDNA and UltraClean) and a standard phenol-chloroform method, and two alternative filtration methods (Sterivex and 25-mm-diameter polycarbonate filters) were evaluated, using the addition of Nitrosopumilus maritimus cells to track the recovery of DNA from marine Archaea. After the comparison, a simplified phenol-chloroform extraction method was developed and shown to be significantly superior, in terms of both the recovery and the purity of DNA, to other protocols now generally applied to environmental studies. The simplified and optimized method was used to quantify ammonia-oxidizing Archaea at different depth intervals in a fjord (Hood Canal) by quantitative PCR. The numbers of Archaea increased with depth, often constituting as much as 20% of the total bacterial community.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Bioengineered
                Journal ID (iso-abbrev): Bioengineered
                Title: Bioengineered
                Publisher: Taylor & Francis
                ISSN (Print): 2165-5979
                ISSN (Electronic): 2165-5987
                Publication date (Electronic, pub): 10 February 2021
                Publication date (Electronic, collection): 2021
                Publication date PMC-release: 10 February 2021
                Volume: 12
                Issue: 1
                Pages: 615-626
                Affiliations
                [0001]School of Chemistry and Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University; , Xuzhou, P.R. China
                Author notes
                CONTACT Xingcheng Yuan xchyuan@ 123456jsnu.edu.cn No.101, Shanghai Road, Tongshan District, Xuzhou 221116, P.R. China
                Article
                Publisher ID: 1885223
                DOI: 10.1080/21655979.2021.1885223
                PMC ID: 8806265
                PubMed ID: 33565903
                SO-VID: f6dffd87-a2fb-4584-a05b-bac89e8a7891
                Copyright © © 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Page count
                Figures: 8, Tables: 2, References: 31, Pages: 12
                Categories
                Subject: Research Article
                Subject: Research Paper

                ScienceOpen disciplines: Biomedical engineering
                Keywords: atmospheric particulates,microbial community,industrial city,haze,pm2.5,pm10,xuzhou
                Data availability:
                ScienceOpen disciplines: Biomedical engineering
                Keywords: atmospheric particulates, microbial community, industrial city, haze, pm2.5, pm10, xuzhou

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