Evidence map›Paper›PMID 32152427›Full record

ArticleScientific reports2020

Structural Identification, Synthesis and Biological Activity of Two Volatile Cyclic Dipeptides in a Terrestrial Vertebrate.

Cristina Romero-Diaz, Stephanie M Campos, Morgan A Herrmann, Kristen N Lewis, David R Williams, Helena A Soini, Milos V Novotny, Diana K Hews, Emília P Martins

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.2field-weighted citation impact, top 24% 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

10 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Discovery of Tyrosinase Inhibitors fromCurrent issues in molecular biology · 2026
    Article
  3. Review
  4. Article
  5. Review
  6. Article
  7. Protein-lipid Association in Lizard Chemical Signals.Integrative organismal biology (Oxford, England) · 2023
    Article
  8. Article
  9. Altering the Sex Pheromone Cyclo(l-Pro-l-Pro) of the DiatomInternational journal of molecular sciences · 2021
    Article
  10. Volatile fatty acid and aldehyde abundances evolve with behavior and habitat temperature inBehavioral ecology : official journal of the International Society for Behavioral Ecology
    Article
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

9 authors at 4 institutions in 1 country.

Cristina Romero-DiazSchool of Life Sciences, Arizona State University, Tempe, AZ, 85287, USA. cromerod@asu.edu.ORCID http://orcid.org/0000-0002-0718-4055
Stephanie M CamposDepartment of Biology and Center for the Integrative Study of Animal Behavior, Indiana University, Bloomington, IN, 47405, USA.
Morgan A HerrmannSchool of Life Sciences, Arizona State University, Tempe, AZ, 85287, USA.
Kristen N LewisDepartment of Chemistry, Indiana University, Bloomington, IN, 47405, USA.
David R WilliamsDepartment of Chemistry, Indiana University, Bloomington, IN, 47405, USA.
Helena A SoiniDepartment of Chemistry, Indiana University, Bloomington, IN, 47405, USA.
Milos V NovotnyDepartment of Chemistry, Indiana University, Bloomington, IN, 47405, USA.
Diana K HewsDepartment of Biology, Indiana State University, Terre Haute, IN, 47809, USA.
Emília P MartinsSchool of Life Sciences, Arizona State University, Tempe, AZ, 85287, USA.ORCID http://orcid.org/0000-0002-8952-3240
Indiana University Bloomington · USArizona State University · USGeorgia State University · USIndiana State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Single substances within complex vertebrate chemical signals could be physiologically or behaviourally active. However, the vast diversity in chemical structure, physical properties and molecular size of semiochemicals makes identifying pheromonally active compounds no easy task. Here, we identified two volatile cyclic dipeptides, cyclo(L-Leu-L-Pro) and cyclo(L-Pro-L-Pro), from the complex mixture of a chemical signal in terrestrial vertebrates (lizard genus Sceloporus), synthesised one of them and investigated their biological activity in male intra-specific communication. In a series of behavioural trials, lizards performed more chemosensory behaviour (tongue flicks, lip smacks and substrate lickings) when presented with the synthesised cyclo(L-Pro-L-Pro) chemical blend, compared to the controls, the cyclo(L-Leu-L-Pro) blend, or a combined blend with both cyclic dipeptides. The results suggest a potential semiochemical role of cyclo(L-Pro-L-Pro) and a modulating effect of cyclo(L-Leu-L-Pro) that may depend on the relative concentration of both compounds in the chemical signal. In addition, our results stress how minor compounds in complex mixtures can produce a meaningful behavioural response, how small differences in structural design are crucial for biological activity, and highlight the need for more studies to determine the complete functional landscape of biologically relevant compounds.

Indexed as

ChemotaxisAnimalsBehavior, AnimalDipeptidesExocrine GlandsLizardsPeptides, CyclicVolatile Organic CompoundsDipeptidesPeptides, CyclicVolatile Organic Compounds

Identifiers

PMID32152427
PMCPMC7062908
OpenAlexW3009106591

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.