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Keywords: salamander
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Journal Articles
Journal Articles
J Exp Biol (2018) 221 (20): jeb187559.
Published: 19 October 2018
... microbiota may influence the relationship between temperature and digestion. To explore the connections between these three factors, we compared digestive performance and gut microbial community diversity and composition in red-backed salamanders housed at three experimental temperatures: 10, 15 and 20°C. We...
Journal Articles
J Exp Biol (2018) 221 (2): jeb166900.
Published: 29 January 2018
... systems by examining muscle from two species of plethodontid salamanders that use elastically powered tongue projection to capture prey and one that uses non-elastic tongue projection. In species with elastic mechanisms, tongue projection is characterized by higher mechanical power output and thermal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (23): 4426–4434.
Published: 1 December 2013
... salamander Prey capture is challenging when switching between aquatic and terrestrial environments. Most aquatic vertebrates use a hydrodynamic mechanism, which typically includes a fast oropharyngeal volume expansion by means of abduction of the jaws and hyobranchial elements. This generates...
Journal Articles
J Exp Biol (2013) 216 (22): 4204–4211.
Published: 15 November 2013
... changes. Yet, among amphibians, the physiological impacts of short-term temperature variation are largely unknown. Using an ex situ population of Cryptobranchus alleganiensis , an aquatic North American salamander, we tested the hypothesis that naturally occurring periods of temperature variation...
Journal Articles
J Exp Biol (2013) 216 (3): 452–459.
Published: 1 February 2013
...Erin R. Graham; Scott A. Fay; Adam Davey; Robert W. Sanders SUMMARY Each spring, North American spotted salamander ( Ambystoma maculatum ) females each lay hundreds of eggs in shallow pools of water. Eggs are surrounded by jelly layers and are deposited as large gelatinous masses. Following...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (15): 2603–2615.
Published: 1 August 2011
...K. Megan Sheffield; Richard W. Blob SUMMARY Salamanders are often used as representatives of the basal tetrapod body plan in functional studies, but little is known about the loads experienced by their limb bones during locomotion. Although salamanders' slow walking speeds might lead to low...
Journal Articles
J Exp Biol (2007) 210 (10): 1768–1775.
Published: 15 May 2007
... Channels and Excitable Membranes . Sunderland, MA: Sinauer. Holomuzki, J. R. ( 1986 ). Predator avoidance and diel patterns of microhabitat use by larval tiger salamanders. Ecology 67 , 737 -748. Johnson, B. R., Voigt, R., Borroni, P. F. and Atema, J. ( 1984 ). Response properties of lobster...
Journal Articles
J Exp Biol (2007) 210 (10): 1776–1785.
Published: 15 May 2007
... and Schild,2004 ). Reorganization of the olfactory epithelium at metamorphosis thus may explain opposing behaviors to the same compound. As a consequence of life-history stage, profound changes occur in salamander olfactory epithelial morphology ( Getchell et al.,1984 ; Stuelpnagel and Reiss,2005...
Journal Articles
J Exp Biol (2005) 208 (17): 3249–3261.
Published: 1 September 2005
... in fishes. The lateral hypaxial musculature (LHM) of salamanders is less anatomically complex and therefore a good system for exploring the basic mechanics of segmented musculature. Here, we derive a mathematical model of the LHM and test our model using sonomicrometry and electromyography during steady...
Journal Articles
Journal Articles
J Exp Biol (2004) 207 (3): 461–474.
Published: 22 January 2004
... in both environments. * Author for correspondence (e-mail: [email protected] ) 27 10 2003 © The Company of Biologists Limited 2004 2004 newt salamander Taricha torosa kinematics terrestrial locomotion aquatic locomotion The view of tetrapod evolution typically...
Journal Articles
J Exp Biol (2002) 205 (12): 1725–1734.
Published: 15 June 2002
...Tom McKean; Guolian Li; Kong Wei SUMMARY The aquatic form of the tiger salamander Ambystoma tigrinum lives in high-altitude ponds and is exposed to a hypoxic environment that may be either chronic or intermittent. In many animal species, exposure to hypoxia stimulates cardiac output and is followed...
Journal Articles
J Exp Biol (2002) 205 (6): 841–849.
Published: 15 March 2002
...Emanuel Azizi; Tobias Landberg SUMMARY Although numerous studies have described the escape kinematics of fishes, little is known about the aquatic escape responses of salamanders. We compare the escape kinematics of larval and adult Eurycea bislineata , the two-lined salamander, to examine...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2001) 204 (21): 3747–3753.
Published: 1 November 2001
... and oxygen conductance increased in response to hypoxia. We investigated this possibility in two salamander species, Ambystoma annulatum and Ambystoma talpoideum . The effective surface area of egg capsules increased in response to hypoxia, which increased the conductance for oxygen and enhanced oxygen...
Journal Articles
J Exp Biol (2001) 204 (11): 1979–1989.
Published: 1 June 2001
... a lizard ( Iguana iguana ) and a salamander ( Dicamptodon ensatus ), suggests that hypaxial muscles function to bend the body during swimming and to resist long-axis torsion during walking. The second, supported by EMG data from lizards during relatively high-speed locomotion, suggests that these muscles...
Journal Articles
Journal Articles
J Exp Biol (2000) 203 (6): 1081–1092.
Published: 15 March 2000
...Rachel S. Simons; Wallace O. Bennett; Elizabeth L. Brainerd ABSTRACT The mechanics of lung ventilation in frogs and aquatic salamanders has been well characterized, whereas lung ventilation in terrestrial-phase (post-metamorphic) salamanders has received little attention. We used electromyography...
Journal Articles
J Exp Biol (1999) 202 (24): 3699–3714.
Published: 15 December 1999
...Stephen M. Deban; Ursula Dicke ABSTRACT Four species of salamander of the family Plethodontidae were examined using electromyographic (EMG) recording during prey-capture behavior to test the hypotheses that the tongue retractor, tongue protractor and jaw depressor muscles are activated...
Journal Articles
J Exp Biol (1999) 202 (8): 891–908.
Published: 15 April 1999
.... Consistent with a photoreceptor-based magnetic compass mechanism, magnetic orientation responses in salamanders, flies and birds have been shown to be affected by the wavelength of light. In birds and flies, it is unclear whether the effects of light on magnetic orientation are due to a direct effect...