ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2009
Metabolic depression during aestivation does not involve remodelling of membrane fatty acids in two Australian frogs.
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Differential plasticity of membrane fatty acids in northern and southern populations of the eastern newt (Notophthalmus viridescens).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2019Article
- Activity, abundance and expression of Ca²⁺-activated proteases in skeletal muscle of the aestivating frog, Cyclorana alboguttata.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2015Article
- Membrane adaptation in phospholipids and cholesterol in the widely distributed, freeze-tolerant wood frog, Rana sylvatica.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2014Article
- Enzyme activity in the aestivating green-striped burrowing frog (Cyclorana alboguttata).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2010Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Changes in membrane lipid composition (membrane remodelling) have been associated with metabolic depression in some aestivating snails but has not been studied in aestivating frogs. This study examined the membrane phospholipid composition of two Australian aestivating frog species Cyclorana alboguttata and Cyclorana australis. The results showed no major membrane remodelling of tissue in either frog species, or in mitochondria of C. alboguttata due to aestivation. Mitochondrial membrane remodelling was not investigated in C. australis. Where investigated in C. alboguttata, total protein and phospholipid content, and citrate synthase (CS) and cytochrome c oxidase (CCO) activities in tissues and mitochondria mostly did not change with aestivation in liver. In skeletal muscle, however, CS and CCO activities, mitochondrial and tissue phospholipids, and mitochondrial protein decreased with aestivation. These decreases in muscle indicate that skeletal muscle mitochondrial content may decrease during aestivation. Na(+)K(+)ATPase activity of both frog species showed no effect of aestivation. In C. alboguttata different fat diets had a major effect on both tissue and mitochondrial phospholipid composition indicating an ability to remodel membrane composition that is not utilised in aestivation. Therefore, changes in lipid composition associated with some aestivating snails do not occur during aestivation in these Australian frogs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.