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题名: Bacterial Communities Associated with Four Cyanobacterial Genera Display Structural and Functional Differences: Evidence from an Experimental Approach
作者: Zhu, Lin1, 2; Zancarini, Anouk2; Louati, Imen2; De Cesare, Silvia2; Duval, Charlotte3; Tambosco, Kevin2; Bernard, Cecile3; Debroas, Didier4; Song, Lirong1; Leloup, Julie2; Humbert, Jean-Francois2
关键词: bacterial communities ; cyanobacteria ; cultures ; natural samples ; functional and structural diversity ; pyrosequencing ; EcoPlates
刊名: FRONTIERS IN MICROBIOLOGY
发表日期: 2016-10-24
DOI: 10.3389/fmicb.2016.01662
卷: 7
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
英文摘要: To overcome the limitations associated with studying the interactions between bacterial communities (BCs) and cyanobacteria in natural environments, we compared the structural and functional diversities of the BCs associated with 15 non-axenic cyanobacterial strains in culture and two natural BCs sampled during cyanobacterial blooms. No significant differences in richness and diversity were found between the natural and cultivated BCs, although some of the cyanobacterial strains had been isolated 11 years earlier. Moreover, these BCs shared some similar characteristics, such as a very low abundance of Actinobacteria, but they display significant differences at the operational taxonomic unit (OTU) level. Overall, our findings suggest that BCs associated with cyanobacteria in culture are good models to better understand the interactions between heterotrophic bacteria and cyanobacteria. Additionally, BCs associated with heterocystous cyanobacterial strains cultivated in Z8X culture medium without nitrate (Aphanizomenon-Dolichospermum) demonstrated significant differences compared to BCs associated with non-heterocystous strains cultivated in Z8 culture medium (Planktothrix-Microcystis) in terms of their composition and their ability to utilize different carbon sources, suggesting the potential influence of cyanobacterial metabolism and/or culture media on associated BCs. Finally, half of the dominant OTUs in these BCs were specifically associated with cyanobacteria or other phytoplankton, whereas the remaining OTUs were generally associated with ecosystems containing high organic matter content, such as sludge or intestines.
关键词[WOS]: FRESH-WATER ECOSYSTEMS ; NITROGEN-FIXATION ; HETEROTROPHIC BACTERIA ; MICROBIAL DIVERSITY ; SEASONAL-CHANGES ; BACTERIOPLANKTON ; BLOOMS ; OCEAN ; ENVIRONMENTS ; DIAZOTROPHS
语种: 英语
项目资助者: PHYCOCYANO project in the Jeunes Chercheurs-Jeunes Chercheuses program of the French ANR (Agence Nationale de la Recherche)(ANR-11-JSV7-014-01)
WOS记录号: WOS:000388632200001
ISSN号: 1664-302X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/28680
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
2.UPMC INRA, IEES Paris UMR 7618, Paris, France
3.Sorbonne Univ, CNRS, UMR 7245, MCAM,Museum Natl Hist Nat, Paris, France
4.Univ Clermont Ferrand, Lab Microorganismes Genome & Environm, Clermont Ferrand, France
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