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Sustainability
Volume 14
Issue 9
10.3390/su14095344
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Article

What Is the Impact of Dexamethasone and Prednisolone Glucocorticoids on the Structure of Meiobenthic Nematode Communities?

by
Mohamed Allouche
1,†,
Sahar Ishak
1,†,
Ahmed Nasri
1,
Abdel Halim Harrath
2,
Saleh Alwasel
2,
Hamouda Beyrem
1,
Octavian Pacioglu
3 and
Fehmi Boufahja
1,*
1
LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Faculty of Sciences of Bizerte, University of Carthage, Zarzouna 7021, Tunisia
2
Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
3
National Institute of Research and Development for Biological Sciences, 060031 Bucharest, Romania
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Sustainability 2022, 14(9), 5344; https://doi.org/10.3390/su14095344
Submission received: 21 March 2022 / Revised: 17 April 2022 / Accepted: 19 April 2022 / Published: 28 April 2022
(This article belongs to the Special Issue Marine Pollution and Ecological Environment)
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Abstract

The toxic effects of two commonly used glucocorticoids, the dexamethasone and prednisolone, on meiobenthic nematodes were assessed in a laboratory experiment for 30 days. Nine treatments were employed, comprised of two single and mixed concentrations of dexamethasone and prednisolone (i.e., 0.14 and 1.4 µg·L−1). The exposure to both glucocorticoids showed significant effects on the abundance and taxonomic diversity of nematodes. Such changes were mainly induced by the decrease in the abundance of the species Microlaimus honestus, considered to be sensitive to prednisolone and by the increase in Enoplolaimus longicaudatus abundance, which can be considered tolerant. The exposure to these glucocorticoids also led to a decrease in 2A feeding groups, 2–4 mm body-size interval, and c-p3 life history type in most treatments, with type of life history and shape of amphids as the most relevant functional traits impacted by these two glucocorticoids. The results could also be explained by the potential antagonism between these two pharmaceuticals.
Keywords: glucocorticoids; meiobenthic nematodes; diversity; functional traits glucocorticoids; meiobenthic nematodes; diversity; functional traits

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MDPI and ACS Style

Allouche, M.; Ishak, S.; Nasri, A.; Harrath, A.H.; Alwasel, S.; Beyrem, H.; Pacioglu, O.; Boufahja, F. What Is the Impact of Dexamethasone and Prednisolone Glucocorticoids on the Structure of Meiobenthic Nematode Communities? Sustainability 2022, 14, 5344. https://doi.org/10.3390/su14095344

AMA Style

Allouche M, Ishak S, Nasri A, Harrath AH, Alwasel S, Beyrem H, Pacioglu O, Boufahja F. What Is the Impact of Dexamethasone and Prednisolone Glucocorticoids on the Structure of Meiobenthic Nematode Communities? Sustainability. 2022; 14(9):5344. https://doi.org/10.3390/su14095344

Chicago/Turabian Style

Allouche, Mohamed, Sahar Ishak, Ahmed Nasri, Abdel Halim Harrath, Saleh Alwasel, Hamouda Beyrem, Octavian Pacioglu, and Fehmi Boufahja. 2022. "What Is the Impact of Dexamethasone and Prednisolone Glucocorticoids on the Structure of Meiobenthic Nematode Communities?" Sustainability 14, no. 9: 5344. https://doi.org/10.3390/su14095344

APA Style

Allouche, M., Ishak, S., Nasri, A., Harrath, A. H., Alwasel, S., Beyrem, H., Pacioglu, O., & Boufahja, F. (2022). What Is the Impact of Dexamethasone and Prednisolone Glucocorticoids on the Structure of Meiobenthic Nematode Communities? Sustainability, 14(9), 5344. https://doi.org/10.3390/su14095344

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