Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages
Adult molluscs produce shells with diverse morphologies and ornamentations, different colour patterns and microstructures. The larval shell, however, is a phenotypically more conserved structure. How do developmental and evolutionary processes generate varying diversity at different life-history sta...
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ftdoajarticles:oai:doaj.org/article:b365dae5366444e796dd8eb87f4cd659 2023-06-11T04:06:02+02:00 Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages Alessandro Cavallo Melody S. Clark Lloyd S. Peck Elizabeth M. Harper Victoria A. Sleight 2022-12-01T00:00:00Z https://doi.org/10.1098/rsos.221022 https://doaj.org/article/b365dae5366444e796dd8eb87f4cd659 EN eng The Royal Society https://royalsocietypublishing.org/doi/10.1098/rsos.221022 https://doaj.org/toc/2054-5703 doi:10.1098/rsos.221022 2054-5703 https://doaj.org/article/b365dae5366444e796dd8eb87f4cd659 Royal Society Open Science, Vol 9, Iss 12 (2022) shell development evo devo mollusc biomineralization Science Q article 2022 ftdoajarticles https://doi.org/10.1098/rsos.221022 2023-04-23T00:35:37Z Adult molluscs produce shells with diverse morphologies and ornamentations, different colour patterns and microstructures. The larval shell, however, is a phenotypically more conserved structure. How do developmental and evolutionary processes generate varying diversity at different life-history stages within a species? Using live imaging, histology, scanning electron microscopy and transcriptomic profiling, we have described shell development in a heteroconchian bivalve, the Antarctic clam, Laternula elliptica, and compared it to adult shell secretion processes in the same species. Adult downstream shell genes, such as those encoding extracellular matrix proteins and biomineralization enzymes, were largely not expressed during shell development. Instead, a development-specific downstream gene repertoire was expressed. Upstream regulatory genes such as transcription factors and signalling molecules were largely conserved between developmental and adult shell secretion. Comparing heteroconchian data with recently reported pteriomorphian larval shell development data suggests that, despite being phenotypically more conserved, the downstream effectors constituting the larval shell ‘tool-kit’ may be as diverse as that of adults. Overall, our new data suggest that a larval shell formed using development-specific downstream effector genes is a conserved and ancestral feature of the bivalve lineage, and possibly more broadly across the molluscs. Article in Journal/Newspaper Antarc* Antarctic Directory of Open Access Journals: DOAJ Articles Antarctic The Antarctic Royal Society Open Science 9 12 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
shell development evo devo mollusc biomineralization Science Q |
spellingShingle |
shell development evo devo mollusc biomineralization Science Q Alessandro Cavallo Melody S. Clark Lloyd S. Peck Elizabeth M. Harper Victoria A. Sleight Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
topic_facet |
shell development evo devo mollusc biomineralization Science Q |
description |
Adult molluscs produce shells with diverse morphologies and ornamentations, different colour patterns and microstructures. The larval shell, however, is a phenotypically more conserved structure. How do developmental and evolutionary processes generate varying diversity at different life-history stages within a species? Using live imaging, histology, scanning electron microscopy and transcriptomic profiling, we have described shell development in a heteroconchian bivalve, the Antarctic clam, Laternula elliptica, and compared it to adult shell secretion processes in the same species. Adult downstream shell genes, such as those encoding extracellular matrix proteins and biomineralization enzymes, were largely not expressed during shell development. Instead, a development-specific downstream gene repertoire was expressed. Upstream regulatory genes such as transcription factors and signalling molecules were largely conserved between developmental and adult shell secretion. Comparing heteroconchian data with recently reported pteriomorphian larval shell development data suggests that, despite being phenotypically more conserved, the downstream effectors constituting the larval shell ‘tool-kit’ may be as diverse as that of adults. Overall, our new data suggest that a larval shell formed using development-specific downstream effector genes is a conserved and ancestral feature of the bivalve lineage, and possibly more broadly across the molluscs. |
format |
Article in Journal/Newspaper |
author |
Alessandro Cavallo Melody S. Clark Lloyd S. Peck Elizabeth M. Harper Victoria A. Sleight |
author_facet |
Alessandro Cavallo Melody S. Clark Lloyd S. Peck Elizabeth M. Harper Victoria A. Sleight |
author_sort |
Alessandro Cavallo |
title |
Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
title_short |
Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
title_full |
Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
title_fullStr |
Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
title_full_unstemmed |
Evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
title_sort |
evolutionary conservation and divergence of the transcriptional regulation of bivalve shell secretion across life-history stages |
publisher |
The Royal Society |
publishDate |
2022 |
url |
https://doi.org/10.1098/rsos.221022 https://doaj.org/article/b365dae5366444e796dd8eb87f4cd659 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Royal Society Open Science, Vol 9, Iss 12 (2022) |
op_relation |
https://royalsocietypublishing.org/doi/10.1098/rsos.221022 https://doaj.org/toc/2054-5703 doi:10.1098/rsos.221022 2054-5703 https://doaj.org/article/b365dae5366444e796dd8eb87f4cd659 |
op_doi |
https://doi.org/10.1098/rsos.221022 |
container_title |
Royal Society Open Science |
container_volume |
9 |
container_issue |
12 |
_version_ |
1768377781134032896 |