Details zur Publikation

Kategorie Textpublikation
Referenztyp Zeitschriften
DOI 10.3389/fmicb.2014.00273
Titel (primär) Cytometric fingerprints: evaluation of new tools for analyzing microbial community dynamics
Autor Koch, C.; Harnisch, F. ORCID logo ; Schröder, U.; Müller, S.
Quelle Frontiers in Microbiology
Erscheinungsjahr 2014
Department UMB
Band/Volume 5
Seite von art. 273
Sprache englisch
Keywords microbial flow cytometry; cytometric fingerprinting; microbial fuel cells; electrochemical active microbial biofilms; natural communities; cytometric data analysis; cytometric pattern analysis
UFZ Querschnittsthemen RU3;
Abstract Optical characteristics of individual bacterial cells of natural communities can be measured with flow cytometry (FCM) in high throughput. The resulting data are visualized in cytometric histograms. These histograms represent individual cytometric fingerprints of microbial communities, e.g., at certain time points or microenvironmental conditions. Up to now four tools for analyzing the variation in these cytometric fingerprints are available but have not yet been systematically compared regarding application: Dalmatian Plot, Cytometric Histogram Image Comparison (CHIC), Cytometric Barcoding (CyBar), and FlowFP. In this article these tools were evaluated concerning (i) the required experience of the operator in handling cytometric data sets, (ii) the detection level of changes, (iii) time demand for analysis, and (iv) software requirements. As an illustrative example, FCM was used to characterize the microbial community structure of electroactive microbial biofilms. Their cytometric fingerprints were determined, analyzed with all four tools, and correlated to experimental and functional parameters. The source of inoculum (four different types of wastewater samples) showed the strongest influence on the microbial community structure and biofilm performance while the choice of substrate (acetate or lactate) had no significant effect in the present study. All four evaluation tools were found suitable to monitor structural changes of natural microbial communities. The Dalmatian Plot was shown to be most sensitive to operator impact but nevertheless provided an overview on community shifts. CHIC, CyBar, and FlowFP showed less operator dependence and gave highly resolved information on community structure variation on different detection levels. In conclusion, experimental and productivity parameters correlated with the biofilm structures and practical process integration details were available from cytometric fingerprint analysis.
dauerhafte UFZ-Verlinkung
Koch, C., Harnisch, F., Schröder, U., Müller, S. (2014):
Cytometric fingerprints: evaluation of new tools for analyzing microbial community dynamics
Front. Microbiol. 5 , art. 273 10.3389/fmicb.2014.00273