About: Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An analysis of the crystallographic texture of nacre (mother-of-pearl) in the Late Triassic gastropod Wortheniella coralliophila is presented. The primary aim of this study was to test the time stability of the crystallographic texture pattern of gastropod nacre over an extremely long time span. Our results show that the crystallographic axes of individual aragonite platelets in the Late Triassic Wortheniella coralliophila have an identical arrangement to those in living vetigastropods. The same microstructure as well as the crystallographic texture of nacre in Recent and Late Triassic gastropods implies the same biological mechanisms for its formation. Our study suggests that the proteins controlling the shape and orientation of individual nacreous platelets in living gastropods have not changed since the Late Triassic. The molecular mechanisms driving the origin and the development of gastropod nacre are thus extremely old and have remained unchanged for at least 220 million years. An analysis of the crystallographic texture of nacre (mother-of-pearl) in the Late Triassic gastropod Wortheniella coralliophila is presented. The primary aim of this study was to test the time stability of the crystallographic texture pattern of gastropod nacre over an extremely long time span. Our results show that the crystallographic axes of individual aragonite platelets in the Late Triassic Wortheniella coralliophila have an identical arrangement to those in living vetigastropods. The same microstructure as well as the crystallographic texture of nacre in Recent and Late Triassic gastropods implies the same biological mechanisms for its formation. Our study suggests that the proteins controlling the shape and orientation of individual nacreous platelets in living gastropods have not changed since the Late Triassic. The molecular mechanisms driving the origin and the development of gastropod nacre are thus extremely old and have remained unchanged for at least 220 million years. (en)
Title	Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation (en)
skos:prefLabel	Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation (en)
skos:notation	RIV/00025798:_____/09:00000053!RIV10-MZP-00025798
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA205/08/0062), P(ME08011), S, Z(MZE0002700604), Z(MZP0002579801)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Frýda, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká geologická služba
http://linked.open...dnocenehoVysledku	308628
http://linked.open...ai/riv/idVysledku	RIV/00025798:_____/09:00000053
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Gastropoda, nacre, crystallographic texture, time stability (en)
http://linked.open.../riv/klicoveSlovo	time stability Gastropoda crystallographic texture nacre
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[F87A27D3E1E1]
http://linked.open...i/riv/nazevZdroje	Bulletin of Geosciences
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Middle Paleozoic climatic and sea-level changes and their influence on marine community evolution: a comparison of models from Perunica microcontinent and Laurasian continent Evolution of molluscan nacre: a study of microstructures and crystallographic textures by diffraction techniques
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	84
http://linked.open...iv/tvurceVysledku	Frýda, Jiří Frýdová, B. Bandel, K.
http://linked.open...n/vavai/riv/zamer	Udržitelné systémy pěstování zemědělských plodin pro produkci kvalitních a bezpečných potravin, krmiv a surovin Geosciences for the Society of the 21st Century: from regional research to geological hazards and global changes.
issn	1214-1119
number of pages	10 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation

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