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Physiological responses of the symbiotic shrimp Ancylocaris brevicarpalis and its host sea anemone Stichodactyla haddoni to ocean acidification
Prakash, S.; Kumar, A.; Okla, M.K.; Ahmad, A.; Abbas, Z.K.; Al-ghamdi, A.A.; Beemster, G.; AbdElgawad, H. (2022). Physiological responses of the symbiotic shrimp Ancylocaris brevicarpalis and its host sea anemone Stichodactyla haddoni to ocean acidification. Mar. Pollut. Bull. 175: 113287. https://dx.doi.org/10.1016/j.marpolbul.2021.113287
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, more
Peer reviewed article  

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Keywords
    Ancylocaris brevicarpalis Schenkel, 1902 [WoRMS]; Stichodactyla haddoni (Saville-Kent, 1893) [WoRMS]
    Marine/Coastal
Author keywords
    Physiology; Acidification; Shrimp; Sea Anemone; Antioxidant enzymes

Authors  Top 
  • Prakash, S.
  • Kumar, A.
  • Okla, M.K.
  • Ahmad, A.
  • Abbas, Z.K.
  • Al-ghamdi, A.A.
  • Beemster, G., more
  • AbdElgawad, H., more

Abstract
    In this study, the physiology of symbiotic ‘peacock-tail’ shrimp Ancylocaris brevicarpalis and its host ‘Haddon's carpet’ sea anemone Stichodactyla haddoni were tested under lowered pH (7.7) and control (8.1) conditions. The biochemical responses such as digestive enzyme (AP), organic acids (lactate and succinate), oxidative damages (MDA), antioxidants metabolites/enzymes (ASC, GSH, SOD, CAT, APX, GPX, GR, POX, and PHOX), and detoxification enzyme (GST) were measured. The AP showed insignificantly reduced values in both the organisms in lowered pH conditions compared to control indicating the effect of abiotic stress. The hierarchical clustering analysis indicated low MDA in sea anemone can be explained by higher POX, APX, GR, ASC, and GSH levels compared to shrimps. However, the detoxification enzyme GST showed less activity in sea anemones compared to shrimps. The results suggest that A. brevicarpalis and sea anemone S. haddoni may have deleterious effects when exposed to short-term acidification stress.

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