Evidence map›Paper›PMID 21857960›Full record

ArticlePloS one2011

Characterization of the small RNA transcriptome of the diatom, Thalassiosira pseudonana.

Trina M Norden-Krichmar, Andrew E Allen, Terry Gaasterland, Mark Hildebrand

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.5field-weighted citation impact, top 10% 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

15 citing papers in PubMed, 39 citations in OpenAlex.

  1. Improved Reference Genome forG3 (Bethesda, Md.) · 2020
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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

4 authors at 2 institutions in 1 country.

Trina M Norden-KrichmarScripps Institution of Oceanography, University of California San Diego, La Jolla, California, United States of America.
Andrew E Allen
Terry Gaasterland
Mark Hildebrand
J. Craig Venter Institute · USUniversity of California, San Diego · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study presents the first characterization of endogenous small RNAs in a diatom, Thalassiosira pseudonana. Small RNAs act as transcriptional and translational regulators, controlling specific target genes involved in various cellular functions. Diatoms are unicellular photosynthetic organisms that play major roles in environmental processes, such as food webs and global carbon fixation. Small RNA cDNA libraries were constructed for exponentially growing T. pseudonana, and then subjected to highly parallel pyrosequencing (454) and sequencing-by-ligation (Applied Biosystems SOLiD). From the computational analysis of approximately 300,000 sequences in the 454 library and over 17 million sequences in the SOLiD libraries, there exists evidence of a core set of small RNA genes including: novel microRNAs, repeat-associated short interfering RNAs, and endogenous short interfering RNAs. The diatom genome contains elements similar to plant small RNA systems, such as the RNAi machinery, a high percentage of short interfering RNAs originating from protein-coding and repetitive regions of the genome, and putative binding sites of the small RNAs occurring primarily in the coding section of the predicted targets. The characterization of the small RNA transcriptome of T. pseudonana establishes the possibility of a wide range of gene regulatory mechanisms in diatoms.

Indexed as

Gene LibraryTranscriptomeBase SequenceDiatomsDNA, ComplementaryGene Expression RegulationMicroRNAsMolecular Sequence DataNucleic Acid ConformationRNA-Induced Silencing ComplexRNA InterferenceRNA, Small InterferingRNA, Small UntranslatedSequence Analysis, DNADNA, ComplementaryMicroRNAsRNA-Induced Silencing ComplexRNA, Small InterferingRNA, Small Untranslated

Identifiers

PMID21857960
PMCPMC3155517
OpenAlexW2022916922

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.