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November 18, 2025International Journal of Molecular SciencesOpen Access

Assessing Molecular Mechanisms of Stress Induced Salinity Adaptation in the Juvenile Ornate Spiny Lobster, Panulirus ornatus

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Authors

ESEleanor L. SpencerQFQuinn P. FitzgibbonSGSusan Glendinning

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Overview

Transcriptome analysis reveals key osmoregulatory genes and growth implications in juvenile Panulirus ornatus under salinity stress.

Key Points

  • This research aims to understand the osmoregulatory mechanisms of juvenile ornate spiny lobster in response to salinity stress.
  • Examined osmoregulatory genes in juvenile gills under varying salinities (25 ppt, 34 ppt, 40 ppt)
  • Used transcriptome analysis and quantitative PCR to assess gene expression responses
  • Conducted acute (48 h) and chronic exposures (>38 d) to different salinities
  • All studied genes were unresponsive at 25 ppt and 40 ppt salinity during acute exposure
  • Upregulation of nkcc and nka genes confirmed under chronic 25 ppt salinity
  • Findings indicate that Panulirus ornatus lacks tolerance mechanisms for high salinity, affecting growth and survival

Cite This Study

Spencer et al. (2025) studied this question.

synapsesocial.com/papers/6924fee6c0ce034ddc351747https://doi.org/10.3390/ijms262211150
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Survival and behavioural responses of scalloped spiny lobster, <i>Panulirus homarus</i> (Linnaeus, 1758) to salinity shifts2026
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  5. 5Impact of Salinity Stress on Antioxidant Enzyme Activity, Histopathology, and Gene Expression in the Hepatopancreas of the Oriental River Prawn, Macrobrachium nipponense2025