Expression and function of ABC proteins in fish intestine

F Bieczynski, JC Painefilú, A Venturino… - Frontiers in …, 2021 - frontiersin.org
In fish, the intestine is fundamental for digestion, nutrient absorption, and other functions like
osmoregulation, acid-base balance, and excretion of some metabolic products. These …

The digestive tract as an essential organ for water acquisition in marine teleosts: lessons from euryhaline eels

Y Takei - Zoological letters, 2021 - Springer
Adaptation to a hypertonic marine environment is one of the major topics in animal
physiology research. Marine teleosts lose water osmotically from the gills and compensate …

Staying hydrated in seawater

M Grosell, AM Oehlert - Physiology, 2023 - journals.physiology.org
Reduction of intestinal lumen osmotic pressure by the formation of Ca (Mg) CO3,“
ichthyocarbonate,” is essential for osmoregulation by the only vertebrate group, ray-finned …

Osmoregulatory role of the intestine in the sea lamprey (Petromyzon marinus)

A Barany, CA Shaughnessy… - American Journal …, 2020 - journals.physiology.org
Lampreys are the most basal vertebrates with an osmoregulatory strategy. Previous
research has established that the salinity tolerance of sea lamprey increases dramatically …

Intestinal Na+, K+, 2Cl cotransporter 2 plays a crucial role in hyperosmotic transitions of a euryhaline teleost

AJ Esbaugh, B Cutler - Physiological reports, 2016 - Wiley Online Library
Euryhaline fishes, such as the red drum (Sciaenops ocellatus), must quickly transition
between hyperosmotic and hypoosmotic physiological strategies. When freshwater …

Molecular and functional regionalization of bicarbonate secretion cascade in the intestine of the European sea bass (Dicentrarchus labrax)

A Alves, SF Gregório, RC Egger, J Fuentes - … Biochemistry and Physiology …, 2019 - Elsevier
In marine fish the intestinal HCO 3–secretion is the key mechanism to enable luminal
aggregate formation and water absorption. Using the sea bass (Dicentrarchus labrax), the …

CO2 and calcification processes in fish

M Grosell - Fish physiology, 2019 - Elsevier
All teleost fish calcify and produce structures known as otoliths confined by saccular
epithelia in the inner ear. These structures enable detection of acceleration/movement …

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) …

The role of the rectum in osmoregulation and the potential effect of renoguanylin on SLC26a6 transport activity in the Gulf toadfish (Opsanus beta)

IM Ruhr, Y Takei, M Grosell - American Journal of …, 2016 - journals.physiology.org
Teleosts living in seawater continually absorb water across the intestine to compensate for
branchial water loss to the environment. The present study reveals that the Gulf toadfish …

High rates of intestinal bicarbonate secretion in seawater tilapia (Oreochromis mossambicus)

I Ruiz-Jarabo, SF Gregório, P Gaetano… - … and Physiology Part A …, 2017 - Elsevier
Osmoregulation in fish is a complex process that requires the orchestrated cooperation of
many tissues. In fish facing hyperosmotic environments, the intestinal absorption of some …