Journal article
Redefining metamorphosis in spiny lobsters: molecular analysis of the phyllosoma to puerulus transition in Sagmariasus verreauxi
Scientific Reports, Vol.5(13537), pp.1-14
2015
PMCID: PMC4550925
PMID: 26311524
Appears in UniSC Supported Open Access Outputs
Abstract
The molecular understanding of crustacean metamorphosis is hindered by small sized individuals and inability to accurately define molt stages. We used the spiny lobster Sagmariasus verreauxi where the large, transparent larvae enable accurate tracing of the transition from a leaf-shaped phyllosoma to an intermediate larval-juvenile phase (puerulus). Transcriptomic analysis of larvae at well-defined stages prior to, during, and following this transition show that the phyllosoma-puerulus metamorphic transition is accompanied by vast transcriptomic changes exceeding 25% of the transcriptome. Notably, genes previously identified as regulating metamorphosis in other crustaceans do not fluctuate during this transition but in the later, morphologically-subtle puerulus-juvenile transition, indicating that the dramatic phyllosoma-puerulus morphological shift relies on a different, yet to be identified metamorphic mechanism. We examined the change in expression of domains and gene families, with focus on several key genes. Our research implies that the separation in molecular triggering systems between the phyllosoma-puerulus and puerulus-juvenile transitions might have enabled the extension of the oceanic phase in spiny lobsters. Study of similar transitions, where metamorphosis is uncoupled from the transition into the benthic juvenile form, in other commercially important crustacean groups might show common features to point on the evolutionary advantage of this two staged regulation.
Details
- Title
- Redefining metamorphosis in spiny lobsters: molecular analysis of the phyllosoma to puerulus transition in Sagmariasus verreauxi
- Authors
- Tomer Ventura (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringQ P Fitzgibbon (Author) - University of TasmaniaS C Battaglene (Author) - University of TasmaniaAbigail Elizur (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- Scientific Reports, Vol.5(13537), pp.1-14
- Publisher
- Nature Publishing Group
- Date published
- 2015
- DOI
- 10.1038/srep13537
- ISSN
- 2045-2322
- PMID
- 26311524; PMC4550925
- Copyright note
- Copyright © 2015 The Authors. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
- Organisation Unit
- School of Science and Engineering - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99450202702621
- Output Type
- Journal article
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- Marine & Freshwater Biology
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