Evidence map›Paper›PMID 21325608›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2011

Systems-level analysis of microbial community organization through combinatorial labeling and spectral imaging.

Alex M Valm, Jessica L Mark Welch, Christopher W Rieken, Yuko Hasegawa, Mitchell L Sogin, Rudolf Oldenbourg, Floyd E Dewhirst, Gary G Borisy

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 180 papers.

0numbers the graph read from it
0cells of the map it votes in
180citing papers in PubMed
17.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

180 citing papers in PubMed, 340 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Spatial architecture of development and disease.Nature reviews. Genetics · 2026
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. A Review of the Impact of Green Tea (Current pharmaceutical design · 2026
    Review
  14. CLASI-FISH Imaging of Fusobacterium in Oral Microbial Communities.Methods in molecular biology (Clifton, N.J.) · 2026
    Article
  15. Observational
  16. Laser-assisted microbial culturomics.Nature communications · 2025
    Article
  17. Review
  18. Review
  19. Article
  20. Article

120 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 1 country.

Alex M ValmMarine Biological Laboratory, Woods Hole, MA 02543, USA.
Jessica L Mark Welch
Christopher W Rieken
Yuko Hasegawa
Mitchell L Sogin
Rudolf Oldenbourg
Floyd E Dewhirst
Gary G Borisy
Marine Biological Laboratory · USBrown University · USHarvard University · US

Funding

Development of New Automated Polarized Light MicroscopeR01EB002583 · NIBIB · MARINE BIOLOGICAL LABORATORY · PI OLDENBOURG, RUDOLF · 2004 to 2012
$4.4M
A Foundation for the Oral Microbiome and MetagenomeU01DE016937 · NIDCR · ADA FORSYTH INSTITUTE, INC. · PI DEWHIRST, FLOYD E · 2006 to 2010
$3.5M
Combinatorial Imaging of the Oral MicrobiomeRC1DE020630 · NIDCR · MARINE BIOLOGICAL LABORATORY · PI BORISY, GARY G, DEWHIRST, FLOYD E · 2009 to 2010
$951k
A Novel Technology to Image Human Oral Microbial CommunitiesF31DE019576 · NIDCR · BROWN UNIVERSITY · PI VALM, ALEX M · 2008 to 2010
$84k
NIBIB NIH HHS R01 EB002583NIDCR NIH HHS 1F31-DE019576NIDCR NIH HHS 1RC1-DE020630NIDCR NIH HHS F31 DE019576NIDCR NIH HHS RC1 DE020630NIDCR NIH HHS U01 DE016937
6 · The paper itself

Abstract

Microbes in nature frequently function as members of complex multitaxon communities, but the structural organization of these communities at the micrometer level is poorly understood because of limitations in labeling and imaging technology. We report here a combinatorial labeling strategy coupled with spectral image acquisition and analysis that greatly expands the number of fluorescent signatures distinguishable in a single image. As an imaging proof of principle, we first demonstrated visualization of Escherichia coli labeled by fluorescence in situ hybridization (FISH) with 28 different binary combinations of eight fluorophores. As a biological proof of principle, we then applied this Combinatorial Labeling and Spectral Imaging FISH (CLASI-FISH) strategy using genus- and family-specific probes to visualize simultaneously and differentiate 15 different phylotypes in an artificial mixture of laboratory-grown microbes. We then illustrated the utility of our method for the structural analysis of a natural microbial community, namely, human dental plaque, a microbial biofilm. We demonstrate that 15 taxa in the plaque community can be imaged simultaneously and analyzed and that this community was dominated by early colonizers, including species of Streptococcus, Prevotella, Actinomyces, and Veillonella. Proximity analysis was used to determine the frequency of inter- and intrataxon cell-to-cell associations which revealed statistically significant intertaxon pairings. Cells of the genera Prevotella and Actinomyces showed the most interspecies associations, suggesting a central role for these genera in establishing and maintaining biofilm complexity. The results provide an initial systems-level structural analysis of biofilm organization.

Indexed as

MicrobiologyIn Situ Hybridization, Fluorescence

Identifiers

PMID21325608
PMCPMC3054005
OpenAlexW2053830048

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.