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Temporal and spatial expression patterns of biomineralization proteins during early development in the stony coral Pocillopora damicornis.


ABSTRACT: Reef-building corals begin as non-calcifying larvae that, upon settling, rapidly begin to accrete skeleton and a protein-rich skeletal organic matrix that attach them to the reef. Here, we characterized the temporal and spatial expression pattern of a suite of biomineralization genes during three stages of larval development in the reef-building coral Pocillopora damicornis: stage I, newly released; stage II, oral-aborally compressed and stage III, settled and calcifying spat. Transcriptome analysis revealed 3882 differentially expressed genes that clustered into four distinctly different patterns of expression change across the three developmental stages. Immunolocalization analysis further reveals the spatial arrangement of coral acid-rich proteins (CARPs) in the overall architecture of the emerging skeleton. These results provide the first analysis of the timing of the biomineralization 'toolkit' in the early life history of a stony coral.

SUBMITTER: Mass T 

PROVIDER: S-EPMC4855386 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Temporal and spatial expression patterns of biomineralization proteins during early development in the stony coral Pocillopora damicornis.

Mass Tali T   Putnam Hollie M HM   Drake Jeana L JL   Zelzion Ehud E   Gates Ruth D RD   Bhattacharya Debashish D   Falkowski Paul G PG  

Proceedings. Biological sciences 20160401 1829


Reef-building corals begin as non-calcifying larvae that, upon settling, rapidly begin to accrete skeleton and a protein-rich skeletal organic matrix that attach them to the reef. Here, we characterized the temporal and spatial expression pattern of a suite of biomineralization genes during three stages of larval development in the reef-building coral Pocillopora damicornis: stage I, newly released; stage II, oral-aborally compressed and stage III, settled and calcifying spat. Transcriptome anal  ...[more]

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