Bacterial community variations with salinity in the saltwater-intruded estuarine aquifer
Bacterial community has been significantly enrolled in the biogeochemical cycling of the coastal subsurface ecosystem. The bacterial community variations with salinity have been extensively investigated in the surface environment, such as lake, soil, and estuary, but not in the subsurface environmen...
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| Veröffentlicht in: | The Science of the total environment 2021-02, Vol.755 (Pt 1), p.142423-142423, Article 142423 |
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| creator | Zhang, Xiaoying Qi, Linlin Li, Wenming Hu, Bill X. Dai, Zhenxue |
| description | Bacterial community has been significantly enrolled in the biogeochemical cycling of the coastal subsurface ecosystem. The bacterial community variations with salinity have been extensively investigated in the surface environment, such as lake, soil, and estuary, but not in the subsurface environment. Here we explore the responses of bacterial populations to the salinity and other environmental factors (EFs) by considering both the abundant and rare sub-community in a coastal Holocene groundwater system. Our study results indicate that the bacterial diversity was independent of the salinity in both the abundance and rare sub-community. Besides diversity, no flourishing of abundant bacteria relative abundance is observed with increasing or decreasing salinity. Yet the rare taxa exhibit a bio-growth with salinity, which has a significant correlation (p |
| doi_str_mv | 10.1016/j.scitotenv.2020.142423 |
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•The entire bacterial abundance and diversity are independent of the salinity in the saltwater aquifer.•Bacterial community composition is affected by the groundwater origin.•No flourishing of abundant bacteria relative abundance was observed with salinity variations.•The rare sub-community diversity has a bio-growth with salinity.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2020.142423</identifier><identifier>PMID: 33017763</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Bacteria - genetics ; Bacterial community ; Estuaries ; Estuary groundwater ; Groundwater ; Rare biosphere ; RNA, Ribosomal, 16S ; Salinity ; Salinity gradient</subject><ispartof>The Science of the total environment, 2021-02, Vol.755 (Pt 1), p.142423-142423, Article 142423</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright © 2020 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-5f406843a79cdd9b765bd5c41169a6e7cf62feb475dcb5c6b6633a8a852d9fe63</citedby><cites>FETCH-LOGICAL-c371t-5f406843a79cdd9b765bd5c41169a6e7cf62feb475dcb5c6b6633a8a852d9fe63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0048969720359520$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33017763$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Xiaoying</creatorcontrib><creatorcontrib>Qi, Linlin</creatorcontrib><creatorcontrib>Li, Wenming</creatorcontrib><creatorcontrib>Hu, Bill X.</creatorcontrib><creatorcontrib>Dai, Zhenxue</creatorcontrib><title>Bacterial community variations with salinity in the saltwater-intruded estuarine aquifer</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Bacterial community has been significantly enrolled in the biogeochemical cycling of the coastal subsurface ecosystem. The bacterial community variations with salinity have been extensively investigated in the surface environment, such as lake, soil, and estuary, but not in the subsurface environment. Here we explore the responses of bacterial populations to the salinity and other environmental factors (EFs) by considering both the abundant and rare sub-community in a coastal Holocene groundwater system. Our study results indicate that the bacterial diversity was independent of the salinity in both the abundance and rare sub-community. Besides diversity, no flourishing of abundant bacteria relative abundance is observed with increasing or decreasing salinity. Yet the rare taxa exhibit a bio-growth with salinity, which has a significant correlation (p < 0.001) with sulfate concentration. The responses of the abundant sub-community taxa to nutrients, temperature, pH, and dissolved oxygen are insensitive. However, the correlation between δ18O, δD and the entire community diversity is significant, which demonstrates the bacterial community is affected by the groundwater origin. Besides, not all the species in one class or order are necessarily shaped by the same factor. To quantify the impact of EFs on the community properties, analyses in different taxonomic levels is suggested. These findings imply that the spatial organization of microbial communities is complicated and influenced by multiple factors on a regional scale. The investigated results are useful for understanding biogeochemical processes in the coastal groundwater.
[Display omitted]
•The entire bacterial abundance and diversity are independent of the salinity in the saltwater aquifer.•Bacterial community composition is affected by the groundwater origin.•No flourishing of abundant bacteria relative abundance was observed with salinity variations.•The rare sub-community diversity has a bio-growth with salinity.</description><subject>Bacteria - genetics</subject><subject>Bacterial community</subject><subject>Estuaries</subject><subject>Estuary groundwater</subject><subject>Groundwater</subject><subject>Rare biosphere</subject><subject>RNA, Ribosomal, 16S</subject><subject>Salinity</subject><subject>Salinity gradient</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtPAyEUhYnR2Fr9CzpLN1NhYGBmWY2vpIkbTdwRBu6kNPNogWnTfy-1tVvZEC7nnHvvh9AdwVOCCX9YTr22oQ_QbaYZzmKVZSyjZ2hMClGmBGf8HI0xZkVa8lKM0JX3SxyPKMglGlGKiRCcjtH3o9IBnFVNovu2HTobdslGxUKwfeeTrQ2LxKvG_n7YLgkL2L_DVkVbarvgBgMmAR-G6OogUevB1uCu0UWtGg83x3uCvl6eP5_e0vnH6_vTbJ5qKkhI85phXjCqRKmNKSvB88rkmhHCS8VB6JpnNVRM5EZXueYV55SqQhV5ZsoaOJ2g-0PuyvXrIY4hW-s1NI3qoB-8zBgrCsYoE1EqDlLteu8d1HLlbKvcThIs91jlUp6wyj1WecAanbfHJkPVgjn5_jhGwewggLjqxoLbB0GnwVgHOkjT23-b_ABdz4_C</recordid><startdate>20210210</startdate><enddate>20210210</enddate><creator>Zhang, Xiaoying</creator><creator>Qi, Linlin</creator><creator>Li, Wenming</creator><creator>Hu, Bill X.</creator><creator>Dai, Zhenxue</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20210210</creationdate><title>Bacterial community variations with salinity in the saltwater-intruded estuarine aquifer</title><author>Zhang, Xiaoying ; Qi, Linlin ; Li, Wenming ; Hu, Bill X. ; Dai, Zhenxue</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-5f406843a79cdd9b765bd5c41169a6e7cf62feb475dcb5c6b6633a8a852d9fe63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bacteria - genetics</topic><topic>Bacterial community</topic><topic>Estuaries</topic><topic>Estuary groundwater</topic><topic>Groundwater</topic><topic>Rare biosphere</topic><topic>RNA, Ribosomal, 16S</topic><topic>Salinity</topic><topic>Salinity gradient</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xiaoying</creatorcontrib><creatorcontrib>Qi, Linlin</creatorcontrib><creatorcontrib>Li, Wenming</creatorcontrib><creatorcontrib>Hu, Bill X.</creatorcontrib><creatorcontrib>Dai, Zhenxue</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Xiaoying</au><au>Qi, Linlin</au><au>Li, Wenming</au><au>Hu, Bill X.</au><au>Dai, Zhenxue</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bacterial community variations with salinity in the saltwater-intruded estuarine aquifer</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2021-02-10</date><risdate>2021</risdate><volume>755</volume><issue>Pt 1</issue><spage>142423</spage><epage>142423</epage><pages>142423-142423</pages><artnum>142423</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>Bacterial community has been significantly enrolled in the biogeochemical cycling of the coastal subsurface ecosystem. The bacterial community variations with salinity have been extensively investigated in the surface environment, such as lake, soil, and estuary, but not in the subsurface environment. Here we explore the responses of bacterial populations to the salinity and other environmental factors (EFs) by considering both the abundant and rare sub-community in a coastal Holocene groundwater system. Our study results indicate that the bacterial diversity was independent of the salinity in both the abundance and rare sub-community. Besides diversity, no flourishing of abundant bacteria relative abundance is observed with increasing or decreasing salinity. Yet the rare taxa exhibit a bio-growth with salinity, which has a significant correlation (p < 0.001) with sulfate concentration. The responses of the abundant sub-community taxa to nutrients, temperature, pH, and dissolved oxygen are insensitive. However, the correlation between δ18O, δD and the entire community diversity is significant, which demonstrates the bacterial community is affected by the groundwater origin. Besides, not all the species in one class or order are necessarily shaped by the same factor. To quantify the impact of EFs on the community properties, analyses in different taxonomic levels is suggested. These findings imply that the spatial organization of microbial communities is complicated and influenced by multiple factors on a regional scale. The investigated results are useful for understanding biogeochemical processes in the coastal groundwater.
[Display omitted]
•The entire bacterial abundance and diversity are independent of the salinity in the saltwater aquifer.•Bacterial community composition is affected by the groundwater origin.•No flourishing of abundant bacteria relative abundance was observed with salinity variations.•The rare sub-community diversity has a bio-growth with salinity.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>33017763</pmid><doi>10.1016/j.scitotenv.2020.142423</doi><tpages>1</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Bacteria - genetics Bacterial community Estuaries Estuary groundwater Groundwater Rare biosphere RNA, Ribosomal, 16S Salinity Salinity gradient |
| title | Bacterial community variations with salinity in the saltwater-intruded estuarine aquifer |
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