Evidence map›Paper›PMID 25711701›Full record

ArticleJournal of experimental botany2015

Novel MtCEP1 peptides produced in vivo differentially regulate root development in Medicago truncatula.

Nadiatul A Mohd-Radzman, Steve Binos, Thy T Truong, Nijat Imin, Michael Mariani, Michael A Djordjevic

Open access · bronzeAbstract read
In one paragraph

Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
12.9field-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

50 citing papers in PubMed, 90 citations in OpenAlex.

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  6. MicroRNA gatekeepers: Orchestrating rhizospheric dynamics.Journal of integrative plant biology · 2025
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  7. Peptide hormones in plants.Molecular horticulture · 2025
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  18. Identification of Diverse Stress-Responsive Xylem Sap Peptides in Soybean.International journal of molecular sciences · 2022
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  19. Review
  20. Metabolic Profiles Reveal Changes in the Leaves and Roots of Rapeseed (International journal of molecular sciences · 2022
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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 at 1 institution in 1 country.

Nadiatul A Mohd-RadzmanDivision of Plant Sciences, Research School of Biology, College of Medicine, Biology and Environment, The Australian National University, Canberra ACT 0200, Australia.
Steve BinosThermo Fisher Scientific Pty Ltd, 5 Caribbean Drive, Scoresby, VIC 3179, Australia.
Thy T TruongMass Spectrometry Facility, Research School of Biology, College of Medicine, Biology and Environment, The Australian National University, Canberra ACT 0200, Australia.
Nijat IminDivision of Plant Sciences, Research School of Biology, College of Medicine, Biology and Environment, The Australian National University, Canberra ACT 0200, Australia.
Michael MarianiThermo Fisher Scientific Pty Ltd, 5 Caribbean Drive, Scoresby, VIC 3179, Australia.
Michael A DjordjevicDivision of Plant Sciences, Research School of Biology, College of Medicine, Biology and Environment, The Australian National University, Canberra ACT 0200, Australia michael.djordjevic@anu.edu.au.
Australian National University · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Small, post-translationally modified and secreted peptides regulate diverse plant developmental processes. Due to low natural abundance, it is difficult to isolate and identify these peptides. Using an improved peptide isolation protocol and Orbitrap mass spectrometry, nine 15-amino-acid CEP peptides were identified that corresponded to the two domains encoded by Medicago truncatula CEP1 (MtCEP1). Novel arabinosylated and hydroxylated peptides were identified in root cultures overexpressing MtCEP1. The five most abundant CEP peptides were hydroxylated and these species were detected also in low amounts in vector control samples. Synthetic peptides with different hydroxylation patterns differentially affected root development. Notably, the domain 1 peptide hydroxylated at Pro4 and Pro11 (D1:HyP4,11) imparted the strongest inhibition of lateral root emergence when grown with 5mM KNO3 and stimulated the highest increase in nodule number when grown with 0mM KNO3. Inhibition of lateral root emergence by D1:HyP4,11 was not alleviated by removing peptide exposure. In contrast, the domain 2 peptide hydroxylated at Pro11 (D2:HyP11) increased stage III-IV lateral root primordium numbers by 6-fold (P < 0.001) which failed to emerge. Auxin addition at levels which stimulated lateral root formation in wild-type plants had little or no ameliorating effect on CEP peptide-mediated inhibition of lateral root formation or emergence. Both peptides increased and altered the root staining pattern of the auxin-responsive reporter GH3:GUS suggesting CEPs alter auxin sensitivity or distribution. The results showed that CEP primary sequence and post-translational modifications influence peptide activities and the improved isolation procedure effectively and reproducibly identifies and characterises CEPs.

Indexed as

Gene Expression Regulation, PlantAmino Acid SequenceIndoleacetic AcidsMedicago truncatulaNaphthaleneacetic AcidsPlant Growth RegulatorsPlant ProteinsPlant RootsPlants, Genetically ModifiedTandem Mass Spectrometry1-naphthaleneacetic acidIndoleacetic AcidsNaphthaleneacetic AcidsPlant Growth RegulatorsPlant ProteinsLegume root developmentmass spectrometrynodulationpeptide isolationpeptide signalingpost-translational modificationsecreted peptides.

Identifiers

PMID25711701
PMCPMC4526912
OpenAlexW2171165633

What OpenQuestion holds

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LicenceCC BY
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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.