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Keywords: lipids
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Journal Articles
J Exp Biol (2021) 224 (21): jeb242800.
Published: 5 November 2021
... much more poorly understood, perturbant of cell membrane structure. Previous studies in fish and marine microbes have reported correlations with temperature and depth of membrane-fluidizing lipid components, such as polyunsaturated fatty acids. Because little has been done to isolate the separate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (22): jeb226027.
Published: 23 November 2020
... signaling but elevated TOR kinase activity, a manipulation known to reduce lifespan. We also identify a sexually dimorphic effect of larval hypoxia on adult nutrient storage and mobilization. Thus, we find that males, but not females, show elevated levels of lipids and glycogen. Moreover, we see that both...
Journal Articles
J Exp Biol (2020) 223 (11): jeb224063.
Published: 4 June 2020
...Jorge de Costa; Gustavo Barja; Pedro F. Almaida-Pagan ABSTRACT The lipid composition of cell membranes is linked to metabolic rate and lifespan in mammals and birds but very little information is available for fish. In this study, three fish species of the short-lived annual genus Nothobranchius...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (Suppl_1): jeb165753.
Published: 7 March 2018
... partially fuel migratory flight with ingested nutrients. Changes in energy intake, digestive capacity, liver lipid metabolism and body temperature regulation may contribute to migratory fattening. Although control of appetite is similar in birds and mammals, neuroendocrine mechanisms regulating seasonal...
Journal Articles
J Exp Biol (2018) 221 (4): jeb172643.
Published: 14 February 2018
... salinity shifted the predominant fuel use for burrowing from proteins to lipids. Our data indicate that the reduced burrowing performance of clams under the salinity stress is not due to the limitations of energy availability or aerobic capacity but must involve other mechanisms (such as impaired muscle...
Journal Articles
J Exp Biol (2015) 218 (19): 3032–3041.
Published: 1 October 2015
...Alex M. Champagne; Heather C. Allen; Joseph B. Williams ABSTRACT The outermost 10–20 µm of the epidermis, the stratum corneum (SC), consists of flat, dead cells embedded in a matrix of intercellular lipids. These lipids regulate cutaneous water loss (CWL), which accounts for over half of total...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (8): 1412–1422.
Published: 15 April 2013
... developmental stages and to examine whether the effects were more pronounced in larval stages developing in the open ocean. Oxygen consumption rate, total protein, dry mass, total lipids and C/N were determined in late-stage embryos, zoea I larvae and newly settled juveniles reared in ambient pH (7.93±0.06...
Journal Articles
J Exp Biol (2013) 216 (5): 800–808.
Published: 1 March 2013
...). The composition of MUFAs, PUFAs and total saturated FAs was not affected by migratory status (all P >0.05). Fig. 3. Fatty acid composition of adipose neutral lipids of migrating (light bars) and non-migrating (dark bars) hoary bats. In cases of sex × migration interaction, males and females...
Journal Articles
J Exp Biol (2010) 213 (10): 1676–1684.
Published: 15 May 2010
...Stephen J. Trumble; Shawn R. Noren; Leslie A. Cornick; Thomas J. Hawke; Shane B. Kanatous SUMMARY Our objective was to elucidate age-related changes in lipids associated with skeletal muscle of Weddell seals and to suggest possible physiological implications. Muscle biopsies were collected from...
Journal Articles
J Exp Biol (2008) 211 (19): 3195–3204.
Published: 1 October 2008
... in larger mammals suggests an increased presence of membrane lipid rafts in larger mammals. The results of this study support the proposal that the physical properties of membranes are likely to be involved in changing metabolic rate. As shown in Fig. 1 and Fig. 2 many of the glycerophospholipids...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (2): 202–226.
Published: 15 January 2006
... while simultaneously providing a structural support for lipids, which comprise the principal barrier to cutaneous water efflux in terrestrial taxa. Whereas lipids are of fundamental importance to water barriers, the efficacy of these barriers depends in many cases on structural features that enhance...
Journal Articles
J Exp Biol (2004) 207 (26): 4525–4533.
Published: 15 December 2004
... use of carbohydrates that normally support energy metabolism in the post-absorptive state (phase I) was rapidly replaced by high lipid use (phase II) as fasting was continued ( Fig. 4 ). However, the most striking differences in fuel selection were observed in relation to protein sparing...