ArticleJournal of anatomy2022
Variation in vertebrae shape across small-bodied newts reveals functional and developmental constraints acting upon the trunk region.
Article in Journal of anatomy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Demystifying machine learning approaches in digital bone imaging using microCT and HRpQCT.Bone reports · 2026Review
- Morphological variation, modularity and integration in the scapula and humerus of Lissotriton newts.Journal of anatomy · 2024Article
- Variation in vertebrae shape across small-bodied newts reveals functional and developmental constraints acting upon the trunk region.Journal of anatomy · 2022Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The salamander vertebral column is largely undifferentiated with a series of more or less uniform rib-bearing presacral vertebrae traditionally designated as the trunk region. We explored regionalization of the salamander trunk in seven species and two subspecies of the salamander genus Lissotriton by the combination of microcomputed tomography scanning and geometric morphometrics. The detailed information on trunk vertebral shape was subjected to a multidimensional cluster analysis and a phenotypic trajectory analysis. With these complementary approaches, we observed a clear morphological regionalization. Clustering analysis showed that the anterior trunk vertebrae (T1 and T2) have distinct morphologies that are shared by all taxa, whereas the subsequent, more posterior vertebrae show significant disparity between species. The phenotypic trajectory analysis revealed that all taxa share a common pattern and amount of shape change along the trunk region. Altogether, our results support the hypothesis of a conserved anterior-posterior developmental patterning which can be associated with different functional demands, reflecting (sub)species' and, possibly, regional ecological divergences within species.
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