Evidence map›Paper›PMID 33352069›Full record

ArticleProceedings. Biological sciences2020

Determinate growth is predominant and likely ancestral in squamate reptiles.

Petra Frýdlová, Jana Mrzílková, Martin Šeremeta, Jan Křemen, Jan Dudák, Jan Žemlička, Bernd Minnich, Kristina Kverková, Pavel Němec, Petr Zach and 1 more

Open access · hybridAbstract read
In one paragraph

Article in Proceedings. Biological sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.5field-weighted citation impact, top 16% 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

21 citing papers in PubMed, 32 citations in OpenAlex.

  1. Review
  2. Memory in Leopard Geckos (Animals : an open access journal from MDPI · 2025
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  3. Continental vs. Insular: Demographic and Growth Patterns inAnimals : an open access journal from MDPI · 2025
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  4. Article
  5. Life-History Traits ofAnimals : an open access journal from MDPI · 2024
    Article
  6. Article
  7. Article
  8. Article
  9. Growth AxisGenes · 2023
    Article
  10. Morphology, Behaviour and Evolution ofAnimals : an open access journal from MDPI · 2023
    Review
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Response of leopard geckos (Behavioral 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

11 authors at 3 institutions in 2 countries.

Petra FrýdlováDepartment of Zoology, Faculty of Science, Charles University, Prague 12844, Czech Republic.
Jana MrzílkováSpecialized Laboratory of Experimental Imaging, Third Faculty of Medicine of Charles University, Institute of Technical and Applied Physics and Faculty of Bioengineering, Prague 100 00, Czech Republic.
Martin ŠeremetaSpecialized Laboratory of Experimental Imaging, Third Faculty of Medicine of Charles University, Institute of Technical and Applied Physics and Faculty of Bioengineering, Prague 100 00, Czech Republic.
Jan KřemenSpecialized Laboratory of Experimental Imaging, Third Faculty of Medicine of Charles University, Institute of Technical and Applied Physics and Faculty of Bioengineering, Prague 100 00, Czech Republic.
Jan DudákInstitute of Experimental and Applied Physics, Czech Technical University in Prague, Prague 110 00, Czech Republic.
Jan ŽemličkaInstitute of Experimental and Applied Physics, Czech Technical University in Prague, Prague 110 00, Czech Republic.
Bernd MinnichDepartment of Biosciences, University of Salzburg, Hellbrunnerstrasse 34, Salzburg 5020, Austria.
Kristina KverkováDepartment of Zoology, Faculty of Science, Charles University, Prague 12844, Czech Republic.
Pavel NěmecDepartment of Zoology, Faculty of Science, Charles University, Prague 12844, Czech Republic.
Petr ZachSpecialized Laboratory of Experimental Imaging, Third Faculty of Medicine of Charles University, Institute of Technical and Applied Physics and Faculty of Bioengineering, Prague 100 00, Czech Republic.
Daniel FryntaDepartment of Zoology, Faculty of Science, Charles University, Prague 12844, Czech Republic.
Charles University · CZCzech Technical University in Prague · CZUniversity of Salzburg · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Body growth is typically thought to be indeterminate in ectothermic vertebrates. Indeed, until recently, this growth pattern was considered to be ubiquitous in ectotherms. Our recent observations of a complete growth plate cartilage (GPC) resorption, a reliable indicator of arrested skeletal growth, in many species of lizards clearly reject the ubiquity of indeterminate growth in reptiles and raise the question about the ancestral state of the growth pattern. Using X-ray micro-computed tomography (µCT), here we examined GPCs of long bones in three basally branching clades of squamate reptiles, namely in Gekkota, Scincoidea and Lacertoidea. A complete loss of GPC, indicating skeletal growth arrest, was the predominant finding. Using a dataset of 164 species representing all major clades of lizards and the tuataras, we traced the evolution of determinate growth on the phylogenetic tree of Lepidosauria. The reconstruction of character states suggests that determinate growth is ancestral for the squamate reptiles (Squamata) and remains common in the majority of lizard lineages, while extended (potentially indeterminate) adult growth evolved several times within squamates. Although traditionally associated with endotherms, determinate growth is coupled with ectothermy in this lineage. These findings combined with existing literature suggest that determinate growth predominates in both extant and extinct amniotes.

Indexed as

AnimalsBiological EvolutionLizardsPhylogenyReptilesSnakesX-Ray Microtomographydeterminate growthendothermygrowth plate cartilageindeterminate growthmicro-CTsquamata

Identifiers

PMID33352069
PMCPMC7779497
OpenAlexW3114291495

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.