Evidence map›Paper›PMID 15258266›Full record

ArticleThe Plant cell2004

A systemic small RNA signaling system in plants.

Byung-Chun Yoo, Friedrich Kragler, Erika Varkonyi-Gasic, Valerie Haywood, Sarah Archer-Evans, Young Moo Lee, Tony J Lough, William J Lucas

Open access · bronzeAbstract read
In one paragraph

Article in The Plant cell, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 205 papers.

0numbers the graph read from it
0cells of the map it votes in
205citing papers in PubMed
44.0field-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

205 citing papers in PubMed, 519 citations in OpenAlex.

  1. Review
  2. Article
  3. Small RNA mobility and plant virus diseases.Journal of experimental botany · 2026
    Review
  4. Review
  5. Article
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. Review
  16. Review
  17. Article
  18. Long-Distance Movement ofPlants (Basel, Switzerland) · 2023
    Article
  19. Review
  20. Review

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

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

8 authors at 2 institutions in 2 countries.

Byung-Chun YooSection of Plant Biology, Division of Biological Sciences, University of California, Davis, California 95616, USA.
Friedrich Kragler
Erika Varkonyi-Gasic
Valerie Haywood
Sarah Archer-Evans
Young Moo Lee
Tony J Lough
William J Lucas
University of California, Davis · USAgriBio · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Systemic translocation of RNA exerts non-cell-autonomous control over plant development and defense. Long-distance delivery of mRNA has been proven, but transport of small interfering RNA and microRNA remains to be demonstrated. Analyses performed on phloem sap collected from a range of plants identified populations of small RNA species. The dynamic nature of this population was reflected in its response to growth conditions and viral infection. The authenticity of these phloem small RNA molecules was confirmed by bioinformatic analysis; potential targets for a set of phloem small RNA species were identified. Heterografting studies, using spontaneously silencing coat protein (CP) plant lines, also established that transgene-derived siRNA move in the long-distance phloem and initiate CP gene silencing in the scion. Biochemical analysis of pumpkin (Cucurbita maxima) phloem sap led to the characterization of C. maxima Phloem SMALL RNA BINDING PROTEIN1 (CmPSRP1), a unique component of the protein machinery probably involved in small RNA trafficking. Equivalently sized small RNA binding proteins were detected in phloem sap from cucumber (Cucumis sativus) and lupin (Lupinus albus). PSRP1 binds selectively to 25-nucleotide single-stranded RNA species. Microinjection studies provided direct evidence that PSRP1 could mediate the cell-to-cell trafficking of 25-nucleotide single-stranded, but not double-stranded, RNA molecules. The potential role played by PSRP1 in long-distance transmission of silencing signals is discussed with respect to the pathways and mechanisms used by plants to exert systemic control over developmental and physiological processes.

Indexed as

Amino Acid SequenceArabidopsisBiological TransportCapsid ProteinsCucumis sativusCucurbitaGene SilencingGenes, PlantLupinusMicroRNAsMolecular Sequence DataPlants, Genetically ModifiedRNA, PlantRNA, Small InterferingSignal TransductionCapsid ProteinsMicroRNAsRNA, PlantRNA, Small Interfering

Identifiers

PMID15258266
PMCPMC519190
OpenAlexW4251776901

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.