ArticleThe Journal of experimental biology2011
Temperature effects on Ca2+ cycling in scombrid cardiomyocytes: a phylogenetic comparison.
Article in The Journal of experimental biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
9 citing papers in PubMed, 38 citations in OpenAlex.
- Thermal plasticity of adrenaline-mediated, frequency-dependent calcium homeostasis in rainbow trout ventricular cardiomyocytes.The Journal of experimental biology · 2026Article
- Ecological interactions and genomic innovation fueled the evolution of ray-finned fish endothermy.Science advances · 2025Article
- Avian cardiomyocyte architecture and what it reveals about the evolution of the vertebrate heart.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- Skeletal muscle and cardiac transcriptomics of a regionally endothermic fish, the Pacific bluefin tuna, Thunnus orientalis.BMC genomics · 2020Article
- Phylotranscriptomic Insights into the Diversification of Endothermic Thunnus Tunas.Molecular biology and evolution · 2019Article
- Fisheries conservation on the high seas: linking conservation physiology and fisheries ecology for the management of large pelagic fishes.Conservation physiology · 2016Article
- Assessing niche width of endothermic fish from genes to ecosystem.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Cardiac function in an endothermic fish: cellular mechanisms for overcoming acute thermal challenges during diving.Proceedings. Biological sciences · 2015Article
- Sarcoplasmic reticulum: a key factor in cardiac contractility of sea bass Dicentrarchus labrax and common sole Solea solea during thermal acclimations.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2013Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
Abstract
Specialisations in excitation-contraction coupling may have played an important role in the evolution of endothermy and high cardiac performance in scombrid fishes. We examined aspects of Ca(2+) handling in cardiomyocytes from Pacific bonito (Sarda chiliensis), Pacific mackerel (Scomber japonicus), yellowfin tuna (Thunnus albacares) and Pacific bluefin tuna (Thunnus orientalis). The whole-cell voltage-clamp technique was used to measure the temperature sensitivity of the L-type Ca(2+) channel current (I(Ca)), density, and steady-state and maximal sarcoplasmic reticulum (SR) Ca(2+) content (ssSR(load) and maxSR(load)). Current-voltage relations, peak I(Ca) density and charge density of I(Ca) were greatest in mackerel and yellowfin at all temperatures tested. I(Ca) density and kinetics were temperature sensitive in all species studied, and the magnitude of this response was not related to the thermal preference of the species. SR(load) was greater in atrial than in ventricular myocytes in the Pacific bluefin tuna, and in species that are more cold tolerant (bluefin tuna and mackerel). I(Ca) and SR(load) were particularly small in bonito, suggesting the Na(+)/Ca(2+) exchanger plays a more pivotal role in Ca(2+) entry into cardiomyocytes of this species. Our comparative approach reveals that the SR of cold-tolerant scombrid fishes has a greater capacity for Ca(2+) storage. This specialisation may contribute to the temperature tolerance and thermal niche expansion of the bluefin tuna and mackerel.
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