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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12392
|2 doi
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|a pubmed25n0863.xml
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|a eng
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|a Krayesky-Self, Sherry
|e verfasserin
|4 aut
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|a Aragonite infill in overgrown conceptacles of coralline Lithothamnion spp. (Hapalidiaceae, Hapalidiales, Rhodophyta)
|b new insights in biomineralization and phylomineralogy
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 19.12.2016
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|a Date Revised 30.12.2016
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|a published: Print-Electronic
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|a GENBANK: KP844863, KP844864, KP844865, KR075888, KR075889, KR075890, KR075891, KR075892
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|a Citation Status MEDLINE
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|a © 2016 Phycological Society of America.
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|a New empirical and quantitative data in the study of calcium carbonate biomineralization and an expanded coralline psbA framework for phylomineralogy are provided for crustose coralline red algae. Scanning electron microscopy (SEM) and energy dispersive spectrometry (SEM-EDS) pinpointed the exact location of calcium carbonate crystals within overgrown reproductive conceptacles in rhodolith-forming Lithothamnion species from the Gulf of Mexico and Pacific Panama. SEM-EDS and X-ray diffraction (XRD) analysis confirmed the elemental composition of these calcium carbonate crystals to be aragonite. After spore release, reproductive conceptacles apparently became overgrown by new vegetative growth, a strategy that may aid in sealing the empty conceptacle chamber, hence influencing the chemistry of the microenvironment and in turn promoting aragonite crystal growth. The possible relevance of various types of calcium carbonate polymorphs present in the complex internal structure and skeleton of crustose corallines is discussed. This is the first study to link SEM, SEM-EDS, XRD, Microtomography and X-ray microscopy data of aragonite infill in coralline algae with phylomineralogy. The study contributes to the growing body of literature characterizing and speculating about how the relative abundances of carbonate biominerals in corallines may vary in response to changes in atmospheric pCO2 , ocean acidification, and global warming
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Gulf of Mexico
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|a Hapalidiales
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|a Panama
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|a X-Ray microscopy
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|a aragonite
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|a calcite
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|a coralline algae
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|a ocean acidification
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|a phylomineralogy
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|a psbA
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|a Minerals
|2 NLM
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|a Calcium Carbonate
|2 NLM
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|a H0G9379FGK
|2 NLM
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1 |
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|a Richards, Joseph L
|e verfasserin
|4 aut
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|a Rahmatian, Mansour
|e verfasserin
|4 aut
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|a Fredericq, Suzanne
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 52(2016), 2 vom: 01. Apr., Seite 161-73
|w (DE-627)NLM098182994
|x 0022-3646
|7 nnns
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| 773 |
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|g volume:52
|g year:2016
|g number:2
|g day:01
|g month:04
|g pages:161-73
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|u http://dx.doi.org/10.1111/jpy.12392
|3 Volltext
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