ArticleComparative biochemistry and physiology. Part A, Molecular & integrative physiology2014
Feeding induces translocation of vacuolar proton ATPase and pendrin to the membrane of leopard shark (Triakis semifasciata) mitochondrion-rich gill cells.
Article in Comparative biochemistry and physiology. Part A, Molecular & integrative physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 48 citations in OpenAlex.
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- Development of branchial ionocytes in embryonic and larval stages of cloudy catshark, Scyliorhinus torazame.Cell and tissue research · 2024Article
- Acute Stress in Lesser-Spotted Catshark (Animals : an open access journal from MDPI · 2022Article
- Rapid blood acid-base regulation by European sea bass (Dicentrarchus labrax) in response to sudden exposure to high environmental CO2.The Journal of experimental biology · 2022Article
- V-type HRoyal Society open science · 2022Article
- Molecular and biochemical characterization of the bicarbonate-sensing soluble adenylyl cyclase from a bony fish, the rainbow troutInterface focus · 2021Article
- A marine teleost, Opsanus beta, compensates acidosis in hypersaline water by HJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2021Article
- Immunological characterization of two types of ionocytes in the inner ear epithelium of Pacific Chub Mackerel (Scomber japonicus).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2020Article
- Expression of calcification-related ion transporters during blue mussel larval development.Ecology and evolution · 2019Article
- Quantification of Cutaneous Ionocytes in Small Aquatic Organisms.Bio-protocol · 2019Article
- Ontogenetic changes in cutaneous and branchial ionocytes and morphology in yellowfin tuna (Thunnus albacares) larvae.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2019Article
- Carbon dioxide induced plasticity of branchial acid-base pathways in an estuarine teleost.Scientific reports · 2017Article
- Bicarbonate-sensing soluble adenylyl cyclase is present in the cell cytoplasm and nucleus of multiple shark tissues.Physiological reports · 2017Article
- Soluble adenylyl cyclase is an acid-base sensor in epithelial base-secreting cells.American journal of physiology. Cell physiology · 2016Article
- Nitrogen metabolism, acid-base regulation, and molecular responses to ammonia and acid infusions in the spiny dogfish shark (Squalus acanthias).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2015Article
- Coral host cells acidify symbiotic algal microenvironment to promote photosynthesis.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
In this study we characterized mitochondrion-rich (MR) cells and regulation of acid/base (A/B) relevant ion-transporting proteins in leopard shark (Triakis semifasciata) gills. Immunohistochemistry revealed that leopard shark gills posses two separate cell populations that abundantly express either Na⁺/K⁺-ATPase (NKA) or V-H⁺-ATPase (VHA), but not both ATPases together. Co-immunolocalization with mitochondrial Complex IV demonstrated, for the first time in shark gills, that both NKA- and VHA-rich cells are also MR cells, and that all MR cells are either NKA- or VHA-rich cells. Additionally we localized the anion exchanger pendrin to VHA-rich cells, but not NKA-rich cells. In starved sharks, VHA was localized throughout the cell cytoplasm and pendrin was present at the apical pole (but not in the membrane). However, in a significant number of gill cells from fed leopard sharks, VHA translocated to the basolateral membrane (as previously described in dogfish), and pendrin translocated to the apical membrane. Our results highlight the importance of translocation of ion-transporting proteins to the cell membrane as a regulatory mechanism for A/B regulation.
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