干旱区生态环境知识资源中心(Arid): Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean

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DOI	10.3389/fmicb.2019.00858
	Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean
	Marin-Beltran, Isabel 1,5; Logue, Jurg B.2,3; Andersson, Anders F.4; Peters, Francesc 1
通讯作者	Marin-Beltran, Isabel
来源期刊	FRONTIERS IN MICROBIOLOGY
ISSN	1664-302X
出版年	2019
卷号	10
英文摘要	Atmospheric deposition is a source of inorganic nutrients and organic matter to the ocean, and can favor the growth of some planktonic species over others according to their nutrient requirements. Atmospheric inputs from natural and anthropogenic sources are nowadays increasing due to desertification and industrialization, respectively. While the impact of mineral dust (mainly from the Saharan desert) on phytoplankton and bacterial community composition has been previously assessed, the effect of anthropogenic aerosols on marine bacterial assemblages remains poorly studied. Since marine bacteria play a range of roles in the biogeochemical cycles of inorganic nutrients and organic carbon, it is important to determine which taxa of marine bacteria may benefit from aerosol fertilization and which not. Here, we experimentally assessed the effect of Saharan dust and anthropogenic aerosols on marine bacterioplankton community composition across a spatial and temporal range of trophic conditions in the northwestern Mediterranean Sea. Results from 16S rDNA sequencing showed that bacterial diversity varied significantly with seasonality and geographical location. While atmospheric deposition did not yield significant changes in community composition when all the experiments where considered together, it did produce changes at certain places and during certain times of the year. These effects accounted for shifts in the bacterial community's relative abundance of up to 28%. The effect of aerosols was overall greatest in summer, both types of atmospheric particles stimulating the groups Alphaproteobacteria, Betaproteobacteria, and Cyanobacteria in the location with the highest anthropogenic footprint. Other bacterial groups benefited from one or the other aerosol depending on the season and location. Anthropogenic aerosols increased the relative abundance of groups belonging to the phylum Bacteriodetes (Cytophagia, Flavobacteriia, and Sphingobacteriia), while Saharan dust stimulated most the phytoplanktonic group of Cyanobacteria and, more specifically, Synechococcus.
英文关键词	atmospheric deposition Saharan dust anthropogenic aerosols bacterial community composition 454-pyrosequenciation Mediterranean Sea
类型	Article
语种	英语
国家	Spain ; Sweden ; Portugal
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000465418200001
WOS关键词	DISSOLVED ORGANIC-MATTER ; SAHARAN DUST ; SEASONAL-CHANGES ; BACTERIOPLANKTON COMPOSITION ; BIOAVAILABLE PHOSPHORUS ; PLANKTONIC COMMUNITIES ; MICROBIAL COMMUNITY ; COASTAL PLANKTON ; MINERAL AEROSOLS ; NUTRIENT
WOS类目	Microbiology
WOS研究方向	Microbiology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/215788
作者单位	1.CSIC, Inst Ciencies Mar, Barcelona, Spain; 2.Lund Univ, Dept Biol Aquat Ecol, Lund, Sweden; 3.Linnaeus Univ, Ctr Ecol & Evolut Microbial Model Syst EEMiS, Kalmar, Sweden; 4.KTH Royal Inst Technol, Sci Life Lab, Dept Gene Technol, Stockholm, Sweden; 5.Univ Algarve, Ctr Ciencias Mar Algarve CCMAR, Faro, Portugal
推荐引用方式 GB/T 7714	Marin-Beltran, Isabel,Logue, Jurg B.,Andersson, Anders F.,et al. Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean[J],2019,10.
APA	Marin-Beltran, Isabel,Logue, Jurg B.,Andersson, Anders F.,&Peters, Francesc.(2019).Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean.FRONTIERS IN MICROBIOLOGY,10.
MLA	Marin-Beltran, Isabel,et al."Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean".FRONTIERS IN MICROBIOLOGY 10(2019).