Evidence map›Paper›PMID 15528517›Full record

ArticleApplied and environmental microbiology2004

Representative freshwater bacterioplankton isolated from Crater Lake, Oregon.

Kathleen A Page, Stephanie A Connon, Stephen J Giovannoni

Abstract read
In one paragraph

Article in Applied and environmental microbiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

36 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. A guide to the natural history of freshwater lake bacteria.Microbiology and molecular biology reviews : MMBR · 2011
    Pooled it
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  9. Red Sea SAR11 andApplied and environmental microbiology · 2019
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  11. Exploring the CultivableFrontiers in microbiology · 2017
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  16. Article
  17. Cell sorting analysis of geographically separated hypersaline environments.Extremophiles : life under extreme conditions · 2013
    Article
  18. Article
  19. Article
  20. Growing unculturable bacteria.Journal of bacteriology · 2012
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Kathleen A PageDepartment of Biology, Southern Oregon University, Ashland, Oregon 97520, USA. page@sou.edu
Stephanie A Connon
Stephen J Giovannoni

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

High-throughput culturing (HTC) methods that rely on dilution to extinction in very-low-nutrient media were used to obtain bacterial isolates from Crater Lake, Oregon. 16S rRNA sequence determination and phylogenetic reconstruction were used to determine the potential ecological significance of isolated bacteria, both in Crater Lake and globally. Fifty-five Crater Lake isolates yielded 16 different 16S rRNA gene sequences. Thirty of 55 (55%) Crater Lake isolates had 16S rRNA gene sequences with 97% or greater similarity to sequences recovered previously from Crater Lake 16S rRNA gene clone libraries. Furthermore, 36 of 55 (65%) Crater Lake isolates were found to be members of widely distributed freshwater groups. These results confirm that HTC is a significant improvement over traditional isolation techniques that tend to enrich for microorganisms that do not predominate in their environment and rarely correlate with 16S rRNA gene clone library sequences. Although all isolates were obtained under dark, heterotrophic growth conditions, 2 of the 16 different groups showed evidence of photosynthetic capability as assessed by the presence of puf operon sequences, suggesting that photoheterotrophy may be a significant process in this oligotrophic, freshwater habitat.

Indexed as

ActinobacteriaAnimalsBacteriaBacteroidetesDNA, RibosomalFresh WaterGenes, rRNAMolecular Sequence DataOregonPhylogenyPlanktonProteobacteriaRNA, Ribosomal, 16SSequence Analysis, DNADNA, RibosomalRNA, Ribosomal, 16S

Identifiers

PMID15528517
PMCPMC525233

What OpenQuestion holds

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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.