Living in darkness: Exploring adaptation of Proteus anguinus in 3 dimensions by X-ray imaging

Simple item page
dc.contributor.authorTesařová, Markétacs
dc.contributor.authorMancini, Luciacs
dc.contributor.authorMauri, Edgardocs
dc.contributor.authorAljančič, Gregorcs
dc.contributor.authorNăpăruş-Aljančič, Magdalenacs
dc.contributor.authorKostanjšek, Rokcs
dc.contributor.authorBizjak Mali, Lilijanacs
dc.contributor.authorZikmund, Tomášcs
dc.contributor.authorKaucká, Markétacs
dc.contributor.authorPapi, Federicacs
dc.contributor.authorGoyens, Janacs
dc.contributor.authorBouchnita, Anasscs
dc.contributor.authorHellander, Andreascs
dc.contributor.authorAdameyko, Igorcs
dc.contributor.authorKaiser, Jozefcs
dc.coverage.issue5cs
dc.coverage.volume11cs
dc.date.accessioned2022-05-09T14:56:05Z
dc.date.available2022-05-09T14:56:05Z
dc.date.issued2022-04-05cs
dc.description.abstractBackground: Lightless caves can harbour a wide range of living organisms. Cave animals have evolved a set of morphological, physiological, and behavioural adaptations known as troglomorphisms, enabling their survival in the perpetual darkness, narrow temperature and humidity ranges, and nutrient scarcity of the subterranean environment. In this study, we focused on adaptations of skull shape and sensory systems in the blind cave salamander, Proteus anguinus, also known as olm or simply proteus—the largest cave tetrapod and the only European amphibian living exclusively in subterranean environments. This extraordinary amphibian compensates for the loss of sight by enhanced non-visual sensory systems including mechanoreceptors, electroreceptors, and chemoreceptors. We compared developmental stages of P. anguinus with Ambystoma mexicanum, also known as axolotl, to make an exemplary comparison between cave- and surface-dwelling paedomorphic salamanders. Findings: We used contrast-enhanced X-ray computed microtomography for the 3D segmentation of the soft tissues in the head of P. anguinus and A. mexicanum. Sensory organs were visualized to elucidate how the animal is adapted to living in complete darkness. X-ray microCT datasets were provided along with 3D models for larval, juvenile, and adult specimens, showing the cartilage of the chondrocranium and the position, shape, and size of the brain, eyes, and olfactory epithelium. Conclusions: P. anguinus still keeps some of its secrets. Our high-resolution X-ray microCT scans together with 3D models of the anatomical structures in the head may help to elucidate the nature and origin of the mechanisms behind its adaptations to the subterranean environment, which led to a series of troglomorphisms.en
dc.formattextcs
dc.format.extent1-8cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationGigaScience. 2022, vol. 11, issue 5, p. 1-8.en
dc.identifier.doi10.1093/gigascience/giac030cs
dc.identifier.issn2047-217Xcs
dc.identifier.other177745cs
dc.identifier.urihttp://hdl.handle.net/11012/204187
dc.language.isoencs
dc.publisherOxford University Press GigaSciencecs
dc.relation.ispartofGigaSciencecs
dc.relation.urihttps://academic.oup.com/gigascience/article/doi/10.1093/gigascience/giac030/6562166cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2047-217X/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectProteus anguinusen
dc.subjectAmbystoma mexicanumen
dc.subjectolmen
dc.subjectaxolotlen
dc.subjectX-ray microCTen
dc.subjectmicrotomographyen
dc.subjectsalamanderen
dc.subjectcave animalen
dc.subjectsubterranean adaptationsen
dc.titleLiving in darkness: Exploring adaptation of Proteus anguinus in 3 dimensions by X-ray imagingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-177745en
sync.item.dbtypeVAVen
sync.item.insts2023.02.17 16:55:07en
sync.item.modts2023.02.17 16:14:47en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé instrumentace a metody pro charakterizace materiálůcs
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Tesarova_Gigascience_Proteus_giac030.pdf
Size:
11.35 MB
Format:
Adobe Portable Document Format
Description:
Tesarova_Gigascience_Proteus_giac030.pdf
Download
Collections
Pokročilé instrumentace a metody pro charakterizace materiálů