Evidence map›Paper›PMID 16896121›Full record

ArticleThe American journal of tropical medicine and hygiene2006

Detection sensitivity and quantitation of Plasmodium falciparum var gene transcripts by real-time RT-PCR in comparison with conventional RT-PCR.

Michelle L Gatton, Jennifer M Peters, Karryn Gresty, Elizabeth V Fowler, Nanhua Chen, Qin Cheng

Abstract readComparative Study
In one paragraph

Article in The American journal of tropical medicine and hygiene, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–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

9 citing papers in PubMed.

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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

6 authors.

Michelle L GattonAustralian Centre for International and Tropical Health and Nutrition, University of Queensland, Queensland, Australia. michelle.gatton@qimr.edu.au
Jennifer M Peters
Karryn Gresty
Elizabeth V Fowler
Nanhua Chen
Qin Cheng

Funding

EVOLUTION OF DRUG RESISTANCE IN PLASMODIUM FALCIPARUMR01AI047500 · NIAID · QUEENSLAND INSTITUTE OF MEDICAL RESEARCH · PI CHENG, QIN · 1999 to 2006
$803k
NIAID NIH HHS 2R01 AI-47500-04NIAID NIH HHS 2R01 AI-47500-05NIAID NIH HHS R01 AI047500NIAID NIH HHS R01 AI047500-04A2NIAID NIH HHS R01 AI047500-05
6 · The paper itself

Abstract

Antigenic variation in Plasmodium falciparum erythrocyte membrane protein 1, caused by a switch in transcription of the encoding var gene, is an important feature of malaria. In this study, we quantified the relative abundance of var gene transcripts present in P. falciparum parasite clones using real-time reverse transcription-polymerase chain reaction (RT-PCR) and conventional RT-PCR combined with cloning and sequencing, with the aim of directly comparing the results obtained. When there was sufficient abundance of RNA for the real-time RT-PCR assay to be operating within the region of good reproducibility, RT-PCR and real-time RT-PCR tended to identify the same dominant transcript, although some transcript-specific issues were identified. When there were differences in the estimated relative amounts of minor transcripts, the RT-PCR assay tended to produce higher estimates than real-time RT-PCR. These results provide valuable information comparing RT-PCR and real-time RT-PCR analysis of samples with small quantities of RNA as might be expected in the analysis of field or clinical samples.

Indexed as

AnimalsAntigenic VariationCells, CulturedDNA PrimersDNA, ProtozoanGene Expression ProfilingHumansPlasmodium falciparumProtozoan ProteinsReproducibility of ResultsReverse Transcriptase Polymerase Chain ReactionRNA, ProtozoanSensitivity and SpecificityDNA PrimersDNA, Protozoanerythrocyte membrane protein 1, Plasmodium falciparumProtozoan ProteinsRNA, Protozoan

Identifiers

PMID16896121
PMCPMC1601947

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.