Evidence map›Paper›PMID 19304934›Full record

ArticleThe Plant cell2009

The ESCRT-related CHMP1A and B proteins mediate multivesicular body sorting of auxin carriers in Arabidopsis and are required for plant development.

Christoph Spitzer, Francisca C Reyes, Rafael Buono, Marek K Sliwinski, Thomas J Haas, Marisa S Otegui

Open access · greenAbstract read
In one paragraph

Article in The Plant cell, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 95 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
95citing papers in PubMed, 1 pooled it
6.4field-weighted citation impact, top 3% 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

95 citing papers in PubMed, 1 synthesis or guideline pooled it, 198 citations in OpenAlex.

  1. Pooled it
  2. Post-Golgi Trafficking in Plant Cells.Sub-cellular biochemistry · 2026
    Review
  3. Article
  4. Review
  5. Endosomal membrane budding patterns in plants.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Regulation of PIN-FORMED Protein Degradation.International journal of molecular sciences · 2023
    Review
  11. Article
  12. Fluorescent Fusion Protein Expression in Plant Cells.Methods in molecular biology (Clifton, N.J.) · 2023
    Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Review
  18. Review
  19. Article
  20. Article

35 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

6 authors at 1 institution in 1 country.

Christoph SpitzerDepartment of Botany, University of Wisconsin, Madison, Wisconsin 53706, USA.
Francisca C Reyes
Rafael Buono
Marek K Sliwinski
Thomas J Haas
Marisa S Otegui
University of Wisconsin–Madison · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Plasma membrane proteins internalized by endocytosis and targeted for degradation are sorted into lumenal vesicles of multivesicular bodies (MVBs) by the endosomal sorting complexes required for transport (ESCRT) machinery. Here, we show that the Arabidopsis thaliana ESCRT-related CHARGED MULTIVESICULAR BODY PROTEIN/CHROMATIN MODIFYING PROTEIN1A (CHMP1A) and CHMP1B proteins are essential for embryo and seedling development. Double homozygous chmp1a chmp1b mutant embryos showed limited polar differentiation and failed to establish bilateral symmetry. Mutant seedlings show disorganized apical meristems and rudimentary true leaves with clustered stomata and abnormal vein patterns. Mutant embryos failed to establish normal auxin gradients. Three proteins involved in auxin transport, PINFORMED1 (PIN1), PIN2, and AUXIN-RESISTANT1 (AUX1) mislocalized to the vacuolar membrane of the mutant. PIN1 was detected in MVB lumenal vesicles of control cells but remained in the limiting membrane of chmp1a chmp1b MVBs. The chmp1a chmp1b mutant forms significantly fewer MVB lumenal vesicles than the wild type. Furthermore, CHMP1A interacts in vitro with the ESCRT-related proteins At SKD1 and At LIP5. Thus, Arabidopsis CHMP1A and B are ESCRT-related proteins with conserved endosomal functions, and the auxin carriers PIN1, PIN2, and AUX1 are ESCRT cargo proteins in the MVB sorting pathway.

Indexed as

Amino Acid SequenceAnimalsArabidopsisArabidopsis ProteinsCarrier ProteinsEndocytosisEndosomal Sorting Complexes Required for TransportEndosomesGenetic Complementation TestHumansImmunohistochemistryIndoleacetic AcidsMembrane ProteinsMembrane Transport ProteinsMolecular Sequence DataPhenotypeArabidopsis ProteinsAT5G57090 protein, ArabidopsisAUX1 protein, ArabidopsisCarrier ProteinsCHMP1A protein, ArabidopsisCHMP1B protein, ArabidopsisDID2 protein, S cerevisiaeEndosomal Sorting Complexes Required for TransportIndoleacetic AcidsMembrane ProteinsMembrane Transport ProteinsPIN1 protein, ArabidopsisRecombinant Fusion ProteinsSaccharomyces cerevisiae ProteinsVesicular Transport Proteins

Identifiers

PMID19304934
PMCPMC2671707
OpenAlexW2107004026

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.