Evidence map›Paper›PMID 11375195›Full record

ArticleApplied and environmental microbiology2001

Application of the 5' fluorogenic exonuclease assay (TaqMan) for quantitative ribosomal DNA and rRNA analysis in sediments.

J R Stults, O Snoeyenbos-West, B Methe, D R Lovley, D P Chandler

Open access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
3.7field-weighted citation impact, top 6% 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

32 citing papers in PubMed, 187 citations in OpenAlex.

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  15. Ecophysiology of Fe-cycling bacteria in acidic sediments.Applied and environmental microbiology · 2010
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  16. Bacterial capture by peptide-mimetic oligoacyllysine surfaces.Applied and environmental microbiology · 2010
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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

5 authors at 2 institutions in 1 country.

J R StultsEnvironmental Microbiology Group, Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
O Snoeyenbos-West
B Methe
D R Lovley
D P Chandler
University of Massachusetts Amherst · USPacific Northwest National Laboratory · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, we report on the development of quantitative PCR and reverse transcriptase PCR assays for the 16S rRNA of Geobacter spp. and identify key issues related to fluorogenic reporter systems for nucleic acid analyses of sediments. The lower detection limit of each assay was 5 to 50 fg of genomic DNA or < or =2 pg of 16S rRNA. TaqMan PCR spectral traces from uncontaminated, amended aquifer sediments were significantly lower (P < 0.0002) than traces for the external standard curve. We also observed a similar, significant decrease in mean quencher emissions for undiluted extracts relative to those for diluted extracts (P < 0.0001). If PCR enumerations were based solely upon the undiluted sample eluant, the TaqMan assay generated an inaccurate result even though the threshold cycle (C(t)) measurements were precise and reproducible in the sediment extracts. Assay accuracy was significantly improved by employing a system of replicate dilutions and replicate analyses for both DNA and rRNA quantitation. Our results clearly demonstrate that fluorescence quenching and autofluorescence can significantly affect TaqMan PCR enumeration accuracy, with subsequent implications for the design and implementation of TaqMan PCR to sediments and related environmental samples.

Indexed as

DeltaproteobacteriaDNA, RibosomalFluorescent DyesGeologic SedimentsPolymerase Chain ReactionReproducibility of ResultsReverse Transcriptase Polymerase Chain ReactionRNA, Ribosomal, 16SSensitivity and SpecificityTaq PolymeraseDNA, RibosomalFluorescent DyesRNA, Ribosomal, 16STaq Polymerase

Identifiers

PMID11375195
PMCPMC92939
OpenAlexW2162877448

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.