Evolving views of ionic, osmotic and acid–base regulation in aquatic animals

M Tresguerres, GT Kwan… - Journal of Experimental …, 2023 - journals.biologists.com
The regulation of ionic, osmotic and acid–base (IOAB) conditions in biological fluids is
among the most fundamental functions in all organisms; being surrounded by water …

Novel and potential physiological roles of vacuolar-type H+-ATPase in marine organisms

M Tresguerres - Journal of Experimental Biology, 2016 - journals.biologists.com
The vacuolar-type H+-ATPase (VHA) is a multi-subunit enzyme that uses the energy from
ATP hydrolysis to transport H+ across biological membranes. VHA plays a universal role in …

Dynamic subcellular translocation of V‐type H+‐ATPase is essential for biomineralization of the diatom silica cell wall

DP Yee, M Hildebrand, M Tresguerres - New Phytologist, 2020 - Wiley Online Library
Diatom cell walls, called frustules, are main sources of biogenic silica in the ocean and their
intricate morphology is an inspiration for nanoengineering. Here we show dynamic aspects …

Regulation of coral calcification by the acid-base sensing enzyme soluble adenylyl cyclase

KL Barott, AA Venn, AB Thies, S Tambutté… - Biochemical and …, 2020 - Elsevier
Coral calcification is intricately linked to the chemical composition of the fluid in the
extracellular calcifying medium (ECM), which is situated between the calcifying cells and the …

Immunological characterization of two types of ionocytes in the inner ear epithelium of Pacific Chub Mackerel (Scomber japonicus)

GT Kwan, TR Smith, M Tresguerres - Journal of Comparative Physiology B, 2020 - Springer
The inner ear is essential for maintaining balance and hearing predator and prey in the
environment. Each inner ear contains three CaCO 3 otolith polycrystals, which are calcified …

Soluble adenylyl cyclase is an acid‐base sensor in rainbow trout red blood cells that regulates intracellular pH and haemoglobin–oxygen binding

TS Harter, EA Smith, C Salmerón, AB Thies… - Acta …, 2024 - Wiley Online Library
Aim To identify the physiological role of the acid‐base sensing enzyme, soluble adenylyl
cyclase (sAC), in red blood cells (RBC) of the model teleost fish, rainbow trout. Methods We …

CO2 and acid-base sensing

M Tresguerres, WK Milsom, SF Perry - Fish physiology, 2019 - Elsevier
Carbon dioxide (CO 2) and its hydration products hydrogen (H+), bicarbonate HCO 3− and
carbonate CO 3 2− ions collectively contribute to the acid-base status of aqueous solutions …

Soluble adenylyl cyclase coordinates intracellular pH homeostasis and biomineralization in calcifying cells of a marine animal

WW Chang, AB Thies… - American Journal of …, 2023 - journals.physiology.org
Biomineralizing cells concentrate dissolved inorganic carbon (DIC) and remove protons
from the site of mineral precipitation. However, the molecular regulatory mechanisms that …

Internal spatial and temporal CO2 dynamics: Fasting, feeding, drinking, and the alkaline tide

CM Wood - Fish physiology, 2019 - Elsevier
The gastrointestinal tract of fish contains powerful transport mechanisms for HCO 3− and H+,
and is a site of temporal and spatial variations in pH, HCO 3−, and PCO 2 (CO 2 dynamics) …

Mild acidosis delays neutrophil apoptosis via multiple signaling pathways and acts in concert with inflammatory mediators

D El Kebir… - Journal of Leukocyte …, 2017 - academic.oup.com
Accumulating evidence indicates development of local extracellular acidosis in inflamed
tissues in response to infection and tissue injury. Activation of infiltrating neutrophils …