Minerals in the pre-settled coral Stylophora pistillata crystallize via protein and ion changes

Nature Communications
Anat AkivaTali Mass

Abstract

Aragonite skeletons in corals are key contributors to the storage of atmospheric CO2 worldwide. Hence, understanding coral biomineralization/calcification processes is crucial for evaluating and predicting the effect of environmental factors on this process. While coral biomineralization studies have focused on adult corals, the exact stage at which corals initiate mineralization remains enigmatic. Here, we show that minerals are first precipitated as amorphous calcium carbonate and small aragonite crystallites, in the pre-settled larva, which then evolve into the more mature aragonitic fibers characteristic of the stony coral skeleton. The process is accompanied by modulation of proteins and ions within these minerals. These findings may indicate an underlying bimodal regulation tactic adopted by the animal, with important ramification to its resilience or vulnerability toward a changing environment.

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Citations

Mar 7, 2019·Chemistry : a European Journal·Branka Njegić DžakulaDamir Kralj
Jan 26, 2020·Micromachines·Yongsheng LuoXiaolin Lu
Jun 26, 2020·Advanced Materials·Fiona C Meldrum, Cedrick O'Shaughnessy
Dec 16, 2018·Nature Communications·Thomas M DeCarlo
Apr 26, 2020·Scientific Reports·Ai-Ping PangXiaolin Lu
Dec 16, 2018·Nature Communications·Anat AkivaTali Mass
Sep 14, 2019·Genome Biology and Evolution·Nicola ConciSergio Vargas
Nov 12, 2020·Scientific Reports·Jeana L DrakeDavid K Jacobs
Dec 17, 2020·Proceedings of the National Academy of Sciences of the United States of America·Jarosław StolarskiAnders Meibom
Dec 8, 2019·Journal of Structural Biology·Ra'anan LaipnikTali Mass
Feb 25, 2021·Journal of the Royal Society, Interface·Manjula P MummadisettiPaul G Falkowski
Feb 27, 2021·Frontiers in Genetics·Tal ZaquinTali Mass
Jun 24, 2021·Proceedings. Biological Sciences·Federica ScucchiaTali Mass
Aug 30, 2021·Journal of Structural Biology·Jeana L DrakeTali Mass

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Methods Mentioned

BETA
scanning-electron microscopy
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NMR
current
PCR

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PrimerQuest©
PrimerQuest
Adobe Photoshop
Quantax

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