Myoxocephalus scorpius
Molecular mechanisms underlying the plasticity of muscle contractile properties with temperature acclimation in the marine fish Myoxocephalus scorpius
... Short-horned sculpin (Myoxocephalus scorpius L.) were caught locally throughout the year by trawling or by trapping in lobster pots. Fish were maintained in filtered seawater aquaria at ambient temperature ...
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Scaling of muscle performance during escape responses in the fish myoxocephalus scorpius L
... To escape from predators, fish use rapid, carefully timed and directed movements which involve the recruitment of the entire white muscle (for a review, see Domenici and Blake, 1997). Although escape responses are ...
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Swimming kinematics of fast starts are altered by temperature acclimation in the marine fish Myoxocephalus scorpius
... The swimming kinematics of prey capture was studied in short-horned sculpin ( Myoxocephalus scorpius L.) acclimated for 6–8 weeks to either 5 ˚C or 15 ˚C (12 h:12 h light:dark) using 15 ˚C-acclimated ...
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The influence of temperature acclimation on isolated muscle properties and burst swimming performance of the sculpin (Myoxocephalus scorpius L )
... sculpin, Myoxocephalus scorpius (L), used for the swimming experiments, were caught in the Firth of Forth between May and June 1991, some specimens were also obtained from Millport University Marine ...
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The presence and role of interstitial cells of Cajal in the proximal intestine of shorthorn sculpin (Myoxocephalus scorpius)
... Shorthorn sculpin ( Myoxocephalus scorpius Linnaeus 1758) are a benthic marine species described as opportunistic ambush predators (e.g. intermittent feeding strategy and carnivorous diet; Dick et al., ...
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Scaling of intrinsic contractile properties and myofibrillar protein composition of fast muscle in the fish myoxocephalus scorpius L
... (Myoxocephalus scorpius), a specialist ambush predator, twitch and tetanus activation and relaxation times were not significantly different between rostral ...
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Plasticity of muscle contractile properties following temperature acclimation in the marine fish Myoxocephalus scorpius
... Fig. 2. Isometric contractions of fast muscle fibres isolated from the short-horned sculpin (Myoxocephalus scorpius L.). In all cases (except E), the stimulation frequency was adjusted to give the maximum ...
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Activation of Multiply Innervated Fast and Slow Myotomal Muscle Fibres of the Teleost Myoxocephalus Scorpius
... The mechanical properties of polyneuronally innervated, myotomal muscle fibres isolated from a teleost fish Myoxocephalus scorpius.. Contribution a l'dtude des systemes moteurs "lent" et[r] ...
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Extracellular glucose can fuel metabolism in red blood cells from high glycemic Atlantic cod (Gadus morhua) but not low glycemic short horned sculpin (Myoxocephalus scorpius)
... (Myoxocephalus scorpius) were collected locally as required by the field services unit (Ocean Sciences Centre) and were fed to satiation weekly with chopped ...
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The use of power spectral analysis to determine cardiorespiratory control in the short horned sculpin Myoxocephalus scorpius
... This study highlights the importance of cholinergic innervation of the heart in M. scorpius. Stimulation of the vagus caused cardiac inhibition similar to that observed in plaice (Cobb and Santer, 1972) and carp ...
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Evidence for glutamatergic mechanisms in the vagal sensory pathway initiating cardiorespiratory reflexes in the shorthorn sculpin Myoxocephalus scorpius
... A time period of 7–10 days (at 10°C) was sufficient to complete ortho- and retrograde axonal transport of Fast Blue from the nodose ganglia to the medulla (approximately 0.5–1.0 cm) in M. scorpius. In four ...
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Temperature and the Force Velocity Relationship of Live Muscle Fibres from the Teleost Myoxocephalus Scorpius
... Summary of force-velocity data of fast myotomal muscle fibres at three temperatures Temperature 12 °C Hill's equation V r a M Ls" 1 Load for maximal power output.. Load for maximal powe[r] ...
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N methyl D aspartate receptors mediate chemoreflexes in the shorthorn sculpin Myoxocephalus scorpius
... Oxygen chemoreceptor In conclusion, these results suggest that NMDA reflexes were evoked by rapid hypoxia, NaCN added into the blood internal, 0.3 ml, 50 µg ml–1 and the mouth receptors [r] ...
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Effects of feeding on in vivo motility patterns in the proximal intestine of shorthorn sculpin (Myoxocephalus scorpius)
... Shorthorn sculpin (M. scorpius), 100–300 g (N=21), were captured off the west coast of Sweden. Fish were transported to the University of Gothenburg and kept in fibreglass tanks containing 2000 l of ...
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Muscle action during locomotion: a comparative perspective
... For fast myotomal muscle fibres from the teleost Myoxocephalus scorpius at 3°C, and under optimal conditions of strain and stimulus phase, only a single stimulus is required at high cycl[r] ...
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Power Output of Two Sizes of Atlantic Salmon (Salmo Salar) at their Maximum Sustained Swimming Speeds
... In this study, the values suggested by Altringham and Johnston 1990 of 5-8 W kg" 1 obtained for the slow muscle fibres of Myoxocephalus scorpius are used to obtain an estimate of the pow[r] ...
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Cardiorespiratory and tissue adenosine responses to hypoxia and reoxygenation in the short horned sculpin Myoxocephalus scorpius
... Myoxocephalus scorpius exhibits a bimodal pattern of opercular movements. While resting under normoxia, water is pumped through a small flap in the dorsal region of the operculum, while under hypoxia ...
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Search for gravitational waves from Scorpius X-1 in the first Advanced LIGO observing run with a hidden Markov model
... Results are presented from a semicoherent search for continuous gravitational waves from the brightest low-mass X-ray binary, Scorpius X-1, using data collected during the first Advanced LIGO observing run. The ...
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Bioaccumulation and biotransformation of chlorinated and brominated organohalogens and metabolites in a deepwater sculpin (Myoxocephalus thompsoni) food chain from Lake Huron.
... 2001) suggest that this species is capable o f metabolically converting suitable PCB congener precursors into MeSCh-PCB metabolites and potential OH-PCB and OH-PBDE metabolites. Studies by Stapleton et al. (2005a, 2005b ...
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Characterization of low mass, wide separation substellar companions to stars in upper Scorpius : near infrared photometry and spectroscopy
... Also, the best temperature estimates obtained by matching the broadband magnitudes and colors of the objects to synthetic magnitudes from the models are systematically lower, by ∼200 K o[r] ...
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