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Crystallographic control of the fabrication of an extremely sophisticated shell surface microornament in the glass scallop Catillopecten.

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cam.issuedOnline2022-07-07
dc.contributor.authorCheca, Antonio G
dc.contributor.authorSalas, Carmen
dc.contributor.authorVarela-Feria, Francisco M
dc.contributor.authorRodríguez-Navarro, Alejandro B
dc.contributor.authorGrenier, Christian
dc.contributor.authorKamenev, Gennady M
dc.contributor.authorHarper, Elizabeth M
dc.date.accessioned2022-07-07T16:00:45Z
dc.date.available2022-07-07T16:00:45Z
dc.date.issued2022-07-07
dc.date.submitted2022-03-21
dc.date.updated2022-07-07T16:00:44Z
dc.description.abstractThe external surface microornament of the glass scallops Catillopecten natalyae and malyutinae is made by calcitic spiny projections consisting of a stem that later divides into three equally spaced and inclined branches (here called aerials). C. natalyae contains larger and smaller aerials, whereas C. malyutinae only secreted aerials of the second type. A remarkable feature is that aerials within each type are fairly similar in size and shape and highly co-oriented, thus constituting a most sophisticated microornament. We demonstrate that aerials are single crystals whose morphology is strongly controlled by the crystallography, with the stem being parallel to the c-axis of calcite, and the branches extending along the edges of the {104} calcite rhombohedron. They grow epitaxially onto the foliated prisms of the outer shell layer. The co-orientation of the prisms explains that of the aerials. We have developed a model in which every aerial grows within a periostracal pouch. When this pouch reaches the growth margin, the mantle initiates the production of the aerial. Nevertheless, later growth of the aerial is remote, i.e. far from the contact with the mantle. We show how such an extremely sophisticated microornament has a morphology and co-orientation which are determined by crystal growth.
dc.identifier.citationScientific Reports, volume 12, issue 1, article-number 11510
dc.identifier.doi10.17863/CAM.86292
dc.identifier.eissn2045-2322
dc.identifier.issn2045-2322
dc.identifier.others41598-022-15796-1
dc.identifier.other15796
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/338885
dc.languageen
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.publisher.urlhttp://dx.doi.org/10.1038/s41598-022-15796-1
dc.subjectAnimals
dc.subjectBivalvia
dc.subjectCalcium Carbonate
dc.subjectCrystallization
dc.subjectCrystallography
dc.subjectPectinidae
dc.titleCrystallographic control of the fabrication of an extremely sophisticated shell surface microornament in the glass scallop Catillopecten.
dc.typeArticle
dcterms.dateAccepted2022-06-29
prism.publicationNameSci Rep
pubs.funder-project-idMinisterio de Ciencia, Innovación y Universidades (CGL2017-85118-P, CGL2017-85118-P, CGL2017-85118-P, PID2020-116660GB-I00, CGL2017-85118-P, CGL2017-85118-P)
pubs.funder-project-idUniversidad de Granada (UCE-PP2016-05, UCE-PP2016-05, UCE-PP2016-05)
pubs.funder-project-idConsejería de Economía, Innovación, Ciencia y Empleo, Junta de Andalucía (RNM363, RNM363)
pubs.funder-project-idMinistry of Science and Higher Education of the Russian Federation (13.1902.21.001)
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1038/s41598-022-15796-1

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