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First paleoproteome study of fossil fish otoliths and the pristine preservation of the biomineral crystal host

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cris.lastimport.scopus2024-02-12T20:30:44Z
dc.abstract.enOtoliths are calcium carbonate components of the stato-acoustical organ responsible for hearing and maintenance of the body balance in teleost fish. During their formation, control over, e.g., morphology and carbonate polymorph is influenced by complex insoluble collagen-like protein and soluble non-collagenous protein assemblages; many of these proteins are incorporated into their aragonite crystal structure. However, in the fossil record these proteins are considered lost through diagenetic processes, hampering studies of past biomineralization mechanisms. Here we report the presence of 11 fish-specific proteins (and several isoforms) in Miocene (ca. 14.8–14.6 Ma) phycid hake otoliths. These fossil otoliths were preserved in water-impermeable clays and exhibit microscopic and crystallographic features indistinguishable from modern representatives, consistent with an exceptionally pristine state of preservation. Indeed, these fossil otoliths retain ca. 10% of the proteins sequenced from modern counterparts, including proteins specific to inner ear development, such as otolin-1-like proteins involved in the arrangement of the otoliths into the sensory epithelium and otogelin/otogelin-like proteins that are located in the acellular membranes of the inner ear in modern fish. The specificity of these proteins excludes the possibility of external contamination. Identification of a fraction of identical proteins in modern and fossil phycid hake otoliths implies a highly conserved inner ear biomineralization process through time
dc.affiliationUniwersytet Warszawski
dc.contributor.authorMazur, Maciej
dc.contributor.authorMeibom, Anders
dc.contributor.authorGuo, Jinming
dc.contributor.authorHeath-Heckman, Elizabeth A. C.
dc.contributor.authorRadwańska, Urszula
dc.contributor.authorVieira, Ana R.
dc.contributor.authorVila, Ismael Coronado
dc.contributor.authorDrake, Jeana
dc.contributor.authorStolarski, Jarosław
dc.date.accessioned2024-01-25T01:02:39Z
dc.date.available2024-01-25T01:02:39Z
dc.date.issued2023
dc.description.accesstimeAT_PUBLICATION
dc.description.financeŚrodki finansowe, o których mowa w art. 365 pkt. 2 ustawy
dc.description.number1
dc.description.versionFINAL_PUBLISHED
dc.description.volume13
dc.identifier.doi10.1038/S41598-023-30537-8
dc.identifier.issn2045-2322
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/107222
dc.identifier.weblinkhttps://www.nature.com/articles/s41598-023-30537-8.pdf
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofScientific Reports
dc.relation.pagesart.no. 3822 (1-10)
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleFirst paleoproteome study of fossil fish otoliths and the pristine preservation of the biomineral crystal host
dc.typeJournalArticle
dspace.entity.typePublication