ATP, ADP and AMP dephosphorylation in membrane fractions of Rhamdia quelen exposed to different temperatures

Lermen, Carine Luísa; Vieira, Vinícius da Fonseca; Schetinger, Maria Rosa Chitolina; Lappe, Rosiele; Gioda, Carolina Rosa; Crestani, Márcia; Baldisserotto, Bernardo; Morsch, Vera Maria

doi:10.1007/s10695-005-1392-9

Cited by 10 publications

(2 citation statements)

References 41 publications

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“…The silver catfish Rhamdia quelen can resist cold winters and grow quickly in the summer. ATP hydrolysis by NTPDase and 5′‐nucleotidase in this fish is enhanced by an increase in temperature in all tissues, except for 31 °C in the brain (Lermen et al. 2005).…”

Section: Lower Vertebratesmentioning

confidence: 86%

Evolutionary origins of the purinergic signalling system

2009

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Purines appear to be the most primitive and widespread chemical messengers in the animal and plant kingdoms. The evidence for purinergic signalling in plants, invertebrates and lower vertebrates is reviewed. Much is based on pharmacological studies, but important recent studies have utilized the techniques of molecular biology and receptors have been cloned and characterized in primitive invertebrates, including the social amoeba Dictyostelium and the platyhelminth Schistosoma, as well as the green algae Ostreococcus, which resemble P2X receptors identified in mammals. This suggests that contrary to earlier speculations, P2X ion channel receptors appeared early in evolution, while G protein-coupled P1 and P2Y receptors were introduced either at the same time or perhaps even later. The absence of gene coding for P2X receptors in some animal groups [e.g. in some insects, roundworms (Caenorhabditis elegans) and the plant Arabidopsis] in contrast to the potent pharmacological actions of nucleotides in the same species, suggests that novel receptors are still to be discovered.

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Section: Lower Vertebratesmentioning

confidence: 86%

Evolutionary origins of the purinergic signalling system

2009

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“…The silver catfish, Rhamdia quelen , can resist cold winters and grow quickly in the summer. ATP hydrolysis by NTPDase and 5′‐nucleotidase in this fish is enhanced by increase in temperature in all tissues, except for 31°C in the brain 104. The temperature sensitivity of the enzymes affects purinergic‐mediated activity, which might be involved in the seasonal responses of these animals.…”

Section: Lower Vertebratesmentioning

confidence: 90%

Evolution of P2X receptors

Burnstock

Verkhratsky

2012

WIREs Membr Transp Signal

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Purines appear to be the most primitive and widespread chemical messengers in all kingdoms of the Domain Eucarya. There is evidence for purinergic signaling in plants, invertebrates, and lower vertebrates from protozoa to birds. Much is based on pharmacological studies, but important recent papers have utilized the techniques of molecular biology, and ATP-gated ion channels (ionotropic purinoceptors) have been cloned and characterized in primitive invertebrates, including the social amoeba Dictyostelium and the platyhelminth Schistosoma, as well as the green algae Ostreococcus. These ancient purinoceptors resemble P2X receptors identified in mammals. This suggests that contrary to earlier speculations, P2X ion channel receptors appeared early in evolution, while G protein-coupled P1 and P2Y receptors were introduced either at the same time or perhaps even later. The absence of gene coding for P2X receptors in some animal groups (e.g., in some insects, roundworm Caenorhabditis elegans, and the plant Arabidopsis), in contrast to the potent pharmacological actions of nucleotides in the same species, suggests that novel receptors are still to be discovered. 

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Regulatory volume decrease and P receptor signaling in fish cells: mechanisms, physiology, and modeling approaches

et al. 2011

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For animal cell plasma membranes, the permeability of water is much higher than that of ions and other solutes, and exposure to hyposmotic conditions almost invariably causes rapid water influx and cell swelling. In this situation, cells deploy regulatory mechanisms to preserve membrane integrity and avoid lysis. The phenomenon of regulatory volume decrease, the partial or full restoration of cell volume following cell swelling, is well-studied in mammals, with uncountable investigations yielding details on the signaling network and the effector mechanisms involved in the process. In comparison, cells from other vertebrates and from invertebrates received little attention, despite of the fact that e.g. fish cells could present rewarding model systems given the diversity in ecology and lifestyle of this animal group that may be reflected by an equal diversity of physiological adaptive mechanisms, including those related to cell volume regulation. In this review, we therefore present an overview on the most relevant aspects known on hypotonic volume regulation presently known in fish, summarizing transporters and signaling pathways described so far, and then focus on an aspect we have particularly studied over the past years using fish cell models, i.e. the role of extracellular nucleotides in mediating cell volume recovery of swollen cells. We, furthermore, present diverse modeling approaches developed on the basis of data derived from studies with fish and other models and discuss their potential use for gaining insight into the theoretical framework of volume regulation.

show abstract

ATP, ADP and AMP dephosphorylation in membrane fractions of Rhamdia quelen exposed to different temperatures

Cited by 10 publications

References 41 publications

Evolutionary origins of the purinergic signalling system

Evolutionary origins of the purinergic signalling system

Evolution of P2X receptors

Regulatory volume decrease and P receptor signaling in fish cells: mechanisms, physiology, and modeling approaches

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