ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2012
Osmoregulatory strategies in natural populations of the black-chinned tilapia Sarotherodon melanotheron exposed to extreme salinities in West African estuaries.
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 26 citations in OpenAlex.
- Editorial: Inter-organ communication beyond mammals: the role of tissue-specific cytokines.Frontiers in endocrinology · 2023Article
- Effects of seawater and freshwater challenges on the Gh/Igf system in the saline-tolerant blackchin tilapiaFrontiers in endocrinology · 2022Article
- Osmoregulatory plasticity during hypersaline acclimation in red drum, Sciaenops ocellatus.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2021Article
- Identifying a Long QTL Cluster Across chrLG18 Associated with Salt Tolerance in Tilapia Using GWAS and QTL-seq.Marine biotechnology (New York, N.Y.) · 2019Article
- Identifying a Major QTL Associated with Salinity Tolerance in Nile Tilapia Using QTL-Seq.Marine biotechnology (New York, N.Y.) · 2018Article
- Evidence of the Complexity of Gene Expression Analysis in Fish Wild Populations.International journal of genomics · 2017Article
- Article
- Mechanism of osmoregulatory adaptation in tilapia.Molecular biology reports · 2013Review
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effect of salinity was studied in natural populations of the black-chinned tilapia (Sarotherodon melanotheron) from West Africa. This euryhaline species colonizes nearly all coastal environments from bays to lagoons characterized by salinities ranging from fresh water to hypersaline water over 100 ‰. Individuals were sampled during the dry season at several locations characterized by different levels of salinity (3-102 ‰). Their osmotic status and their gills were analyzed. The branchial mitochondria-rich cells (MRC), localized at the basis of the filaments and along the lamellae in fish taken from the saline stations, showed a wide plasticity with significant differences in their number and size. The most striking results were a significant larger area (≈3x) and a higher number (≈55x) of MRC at high salinity (102 ‰) compared to low salinity (3 ‰). The major ion transporters and channels were localized by immunocytochemistry and different expression patterns have been recorded between stations. Despite an increased Na⁺/K⁺-ATPase (NKA) α-subunit expression and NKA activity, pointing to an increased monovalent ion excretion, a severe osmotic imbalance was recorded in animals living in hypersaline environments.
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Registered trials
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