Publications

Bartman ME, Wilkerson JER, Johnson SM. 5-HT3 receptor-dependent modulation of respiratory burst frequency, regularity, and episodicity in isolated adult turtle brainstems. Respir Physiol Neurobiol (in press).

Cummings BB, Sladky KK, Johnson SM. Tramadol produces long-lasting analgesia with only mild respiratory depression in red-eared slider turtles (Trachemys scripta). J Am Vet Med Assoc (in press).

Johnson SM, Moris CM, Michelle E. Bartman, Wiegel LM. Excitatory and inhibitory effects of opioid agonists on respiratory motor output produced by isolated brainstems from adult turtles (Trachemys). Respir Physiol Neurobiol 170:5-15, 2010.

Hengen KB, Behan M, Carey HV, Jones MV, Johnson SM. Hibernation induces pentobarbital insensitivity in medulla but not cortex. Am J Physiol Regul Integr Comp Physiol 297: R1028-R1036, 2009. PMCID: PMC2763819

Sladky KK, Kinney ME, Johnson SM. Effects of opioid receptor activation on thermal antinociception in red-eared slider turtles (Trachemys scripta). Am J Vet Res 70:1072-1078, 2009.

Johnson SM, Kinney ME, Wiegel LM. Inhibitory and excitatory effects of mu (MOR), delta (DOR), and kappa (KOR) opioid receptor activation on breathing in awake turtles (Trachemys scripta). Am J Physiol Regul Integr Comp Physiol 295: R1599-R1612, 2008.

Majewski DM, Wiegel LM, Johnson SM. Respiratory pattern in midline-lesioned brainstems and hemibrainstems from adult turtles. Respir Physiol Neurobiol 164: 338-349, 2008.

Sladky KK, Kinney ME, Johnson SM. Analgesic efficacy of butorphanol and morphine in bearded dragons (Pogona vitticeps) and corn snakes (Elaphe guttata). J Am Vet Med Assoc 233: 267-273, 2008.

Johnson SM, Wiegel LM, Majewski DM. Are pacemaker properties required for respiratory rhythm generation in adult turtle brainstems in vitro? Am J Physiol Regul Integr Comp Physiol 293: R901-R910, 2007.[Abstract]

Blake AJ, Pearce TM, Rao NS, Johnson SM, Williams JC. Multilayer PDMS microfluidic chamber for controlling slice microenvironment. Lab on a Chip 7: 842-849, 2007 [Abstract]

Sladky KK, Miletic V, Paul-Murphy J, Kinney M, Dallwig R, Johnson SM. Analgesic efficacy and respiratory effects of butorphanol and morphine in turtles (Trachemys scripta). J Am Vet Med Assoc 230: 1356-1362, 2007 [Abstract]

Lovett-Barr MR, Mitchell GS, Satriotomo I, Johnson SM. Serotonin-induced in vitro long-term facilitation exhibits differential pattern sensitivity in cervical and thoracic inspiratory motor output. Neuroscience 142(3):885-92,2006 Oct 27. [Abstract]

Johnson SM, Creighton RJ. Spinal cord injury-induced changes in breathing are not due to supraspinal plasticity in turtles (Pseudemys). Am J Physiol Regul Integr Comp Physiol 289: R1550-R1561, 2005. [Abstract]

Wilkerson JER, Wenninger MR, Mitchell GS, Johnson SM. Time-dependent changes in spontaneous respiratory activity in turtle brainstems in vitro. Respir Physiol Neurobiol 138: 253-263, 2003. [Full Text]

Fuller DD, Johnson SM, Olson EB, Mitchell GS. Synaptic pathways to phrenic motoneurons are enhanced by chronic intermittent hypoxia following cervical spinal cord injury. J Neurosci 23: 2993-3000, 2003. [Abstract]

Mitchell GS, Johnson SM. Invited Review: Neuroplasticity in respiratory motor control. J Appl Physiol 94: 358-374, 2003. [Abstract]

Johnson SM, Wilkerson JER, Wenninger MR, Henderson DR, Mitchell GS. Role of synaptic inhibition in turtle respiratory rhythm generation. J Physiol (Lond) 544: 253-265, 2002. [Abstract]

Johnson SM, Mitchell GS. Activity-dependent plasticity in descending synaptic inputs to respiratory spinal motoneurons. Respir Physiol Neurobio 131: 79-90, 2002. [Abstract]

Fuller DD, Johnson SM, Johnson RA, Mitchell GS. Chronic spinal sensory denervation via cervical dorsal rhizotomy enhances evoked crossed synaptic inputs to phrenic motoneurons. Neurosci Lett 323: 25-28, 2002. [Full Text]

Johnson SM, Wilkerson JER, Henderson DR, Wenninger MR, Mitchell GS. Serotonin elicits long-lasting enhancement of rhythmic respiratory activity in turtle brainstems in vitro. J Appl Physiol 91: 2703-2712, 2001. [Abstract]

Johnson SM, Mitchell GS. Activity-dependent plasticity of descending synaptic inputs to spinal respiratory motoneurons in an in vitro turtle brainstem-spinal cord preparation. J Neurosci 20: 3487-3495, 2000. [Abstract]

Johnson SM, Mitchell GS. NMDA-mediated bulbospinal respiratory drive is pH/PCO 2 -insensitive in turtle brainstem-spinal cord. Respir Physiol 113: 201-212, 1998. [Full Text]

Johnson RA, Johnson SM, Mitchell GS. Catecholaminergic modulation of respiratory rhythm in an in vitro turtle brainstem preparation. J Appl Physiol 85: 105-114, 1998. [Abstract]

Johnson SM, Johnson RA, Mitchell GS. Hypoxia, temperature and pH/CO 2 effects on respiratory discharge from a turtle brainstem preparation. J Appl Physiol 84: 649-660, 1998. [Abstract]

 

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