Evidence map›Paper›PMID 18667640›Full record

ArticleThe Plant cell2008

Peeking into pit fields: a multiple twinning model of secondary plasmodesmata formation in tobacco.

Christine Faulkner, Ozgur E Akman, Karen Bell, Chris Jeffree, Karl Oparka

Open access · bronzeAbstract read
In one paragraph

Article in The Plant cell, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed
12.1field-weighted citation impact, top 2% 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

67 citing papers in PubMed, 146 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Novel resources to investigate leaf plasmodesmata formation in CThe Plant journal : for cell and molecular biology · 2024
    Article
  9. Article
  10. Review
  11. Intercellular Highways in Transport Processes.Results and problems in cell differentiation · 2024
    Review
  12. Plasmodesmal connectivity in CThe New phytologist · 2024
    Article
  13. Review
  14. Review
  15. Review
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article

7 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

5 authors at 1 institution in 1 country.

Christine FaulknerInstitute of Molecular Plant Sciences, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JH, United Kingdom.
Ozgur E Akman
Karen Bell
Chris Jeffree
Karl Oparka
University of Edinburgh · GB

Funding

Biotechnology and Biological Sciences Research Council BB/D019621/1Biotechnology and Biological Sciences Research Council BB/E001564/1
6 · The paper itself

Abstract

In higher plants, plasmodesmata (PD) are major conduits for cell-cell communication. Primary PD are laid down at cytokinesis, while secondary PD arise during wall extension. During leaf development, the basal cell walls of trichomes extend radially without division, providing a convenient system for studying the origin of secondary PD. We devised a simple freeze-fracture protocol for examining large numbers of PD in surface view. In the postcytokinetic wall, simple PD were distributed randomly. As the wall extended, PD became twinned at the cell periphery. Additional secondary pores were inserted at right angles to these, giving rise to pit fields composed of several paired PD. During wall extension, the number of PD increased fivefold due to the insertion of secondary PD. Our data are consistent with a model in which a subset of the original primary PD pores function as templates for the insertion of new secondary PD, spatially fixing the position of future pit fields. Many of the new PD shared the same wall collar as the original PD pore, suggesting that new PD pores may arise by fissions of existing PD progenitors. Different models of secondary PD formation are discussed. Our data are supported by a computational model, Plasmodesmap, which accurately simulates the formation of radial pit fields during cell wall extension based on the occurrence of multiple PD twinning events in the cell wall. The model predicts PD distributions with striking resemblance to those seen on fractured wall faces.

Indexed as

Models, BiologicalCell WallComputer SimulationCytokinesisFreeze FracturingMicroscopy, Electron, ScanningMicroscopy, Electron, TransmissionMicroscopy, FluorescenceNicotianaPlasmodesmata

Identifiers

PMID18667640
PMCPMC2483367
OpenAlexW2137003928

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.