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DOI:	10.1371/journal.pone.0096219
论文题名:	Phospholipid-Derived Fatty Acids and Quinones as Markers for Bacterial Biomass and Community Structure in Marine Sediments
作者:	Tadao Kunihiro; Bart Veuger; Diana Vasquez-Cardenas; Lara Pozzato; Marie Le Guitton; Kazuyoshi Moriya; Michinobu Kuwae; Koji Omori; Henricus T. S. Boschker; Dick van Oevelen
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-4-25
卷:	9, 期:4
语种:	英语
英文关键词:	Sediment ; Marine bacteria ; Quinones ; Fish farming ; Marine biology ; Biomarkers ; Bacteria ; Biomass (ecology)
英文摘要:	Phospholipid-derived fatty acids (PLFA) and respiratory quinones (RQ) are microbial compounds that have been utilized as biomarkers to quantify bacterial biomass and to characterize microbial community structure in sediments, waters, and soils. While PLFAs have been widely used as quantitative bacterial biomarkers in marine sediments, applications of quinone analysis in marine sediments are very limited. In this study, we investigated the relation between both groups of bacterial biomarkers in a broad range of marine sediments from the intertidal zone to the deep sea. We found a good log-log correlation between concentrations of bacterial PLFA and RQ over several orders of magnitude. This relationship is probably due to metabolic variation in quinone concentrations in bacterial cells in different environments, whereas PLFA concentrations are relatively stable under different conditions. We also found a good agreement in the community structure classifications based on the bacterial PLFAs and RQs. These results strengthen the application of both compounds as quantitative bacterial biomarkers. Moreover, the bacterial PLFA- and RQ profiles revealed a comparable dissimilarity pattern of the sampled sediments, but with a higher level of dissimilarity for the RQs. This means that the quinone method has a higher resolution for resolving differences in bacterial community composition. Combining PLFA and quinone analysis as a complementary method is a good strategy to yield higher resolving power in bacterial community structure.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0096219&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/20084
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0096219.PDF（1533KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Marine Microbiology, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Marine Microbiology, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;School of Natural Science & Technology, Kanazawa University, Kakuma-machi, Kanazawa, Japan;Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama, Ehime, Japan;Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama, Ehime, Japan;Department of Marine Microbiology, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands;Department of Ecosystem Studies, Royal Netherlands Institute of Sea Research (NIOZ), Yerseke, The Netherlands

Recommended Citation:

Tadao Kunihiro,Bart Veuger,Diana Vasquez-Cardenas,et al. Phospholipid-Derived Fatty Acids and Quinones as Markers for Bacterial Biomass and Community Structure in Marine Sediments[J]. PLOS ONE,2014-01-01,9(4)

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