necturus maculosus

Summary

Summary: A neotenic aquatic species of mudpuppy (Necturus) occurring from Manitoba to Louisiana and Texas.

Top Publications

  1. Vlaeminck Guillem V, Safi R, Guillem P, Leteurtre E, Duterque Coquillaud M, Laudet V. Thyroid hormone receptor expression in the obligatory paedomorphic salamander Necturus maculosus. Int J Dev Biol. 2006;50:553-60 pubmed
    ..b>Necturus maculosus is considered to be an obligatory paedomorphic Amphibian since metamorphosis never occurs spontaneously and ..
  2. Zhang W, Delay R. Gonadotropin-releasing hormone modulates voltage-activated sodium current and odor responses in Necturus maculosus olfactory sensory neurons. J Neurosci Res. 2007;85:1656-67 pubmed
    ..To examine the effects of GnRH on isolated Necturus maculosus olfactory sensory neurons (OSNs), we used the perforated configuration of the patch clamp technique to ..
  3. Dobrovoljc K, Falnoga I, Znidaric M, Mazej D, Scancar J, Bulog B. Cd, Cu, Zn, Se, and metallothioneins in two amphibians, Necturus maculosus (Amphibia, Caudata) and Bufo bufo (Amphibia, Anura). Biol Trace Elem Res. 2012;150:178-94 pubmed publisher
    ..MTs), and its relation to copper, zinc, and selenium were investigated in the experimental mudpuppy Necturus maculosus and the common toad Bufo bufo captured in nature. Specimens of N...
  4. Dionne V. Chemosensory responses in isolated olfactory receptor neurons from Necturus maculosus. J Gen Physiol. 1992;99:415-33 pubmed
    Olfactory receptor neurons were isolated without enzymes from the mudpuppy, Necturus maculosus, and tested for chemosensitivity...
  5. Singh S, Callard G. Identification of an androgen receptor in the zonal testis of the salamander (Necturus maculosus). Gen Comp Endocrinol. 1992;86:220-30 pubmed
    The testis of the salamander, Necturus maculosus, is advantageous for studying biochemical changes during spermatogenesis because germ cells and associated Sertoli and Leydig cells are topographically separated by stage of development...
  6. Jovanovic K, Burke R. Anatomical organization of motoneurons and interneurons in the mudpuppy (Necturus maculosus) brachial spinal cord: the neural substrate for central pattern generation. Can J Physiol Pharmacol. 2004;82:628-36 pubmed
    ..This study provides a detailed foundation for electrophysiological experiments aimed at elucidating the neural circuits involved in locomotor pattern generation...
  7. Delay R, Dionne V. Two second messengers mediate amino acid responses in olfactory sensory neurons of the salamander, Necturus maculosus. Chem Senses. 2002;27:673-80 pubmed
    ..We isolated olfactory sensory neurons from the salamander Necturus maculosus and used calcium imaging with the indicator dye fura-2 to examine olfactory responses elicited by amino ..
  8. Zeuthen T. Cotransport of K+, Cl- and H2O by membrane proteins from choroid plexus epithelium of Necturus maculosus. J Physiol. 1994;478 ( Pt 2):203-19 pubmed
    ..between K+, Cl- and H2O fluxes was studied in the ventricular membrane of the choroid plexus epithelium from Necturus maculosus by means of ion-selective microelectrodes. 2...
  9. Zeuthen T. Secondary active transport of water across ventricular cell membrane of choroid plexus epithelium of Necturus maculosus. J Physiol. 1991;444:153-73 pubmed
    ..Cl-, K+ and H2O fluxes were studied in the ventricular membrane of the choroid plexus epithelium from Necturus maculosus by means of ion-selective microelectrodes...
  10. Copello J, Heming T, Segal Y, Reuss L. cAMP-activated apical membrane chloride channels in Necturus gallbladder epithelium. Conductance, selectivity, and block. J Gen Physiol. 1993;102:177-99 pubmed
    ..These data strongly suggest that 10-pS Cl- channels are responsible for the cAMP-induced increase in apical membrane conductance of NGB epithelium...

Detail Information

Publications62

  1. Vlaeminck Guillem V, Safi R, Guillem P, Leteurtre E, Duterque Coquillaud M, Laudet V. Thyroid hormone receptor expression in the obligatory paedomorphic salamander Necturus maculosus. Int J Dev Biol. 2006;50:553-60 pubmed
    ..b>Necturus maculosus is considered to be an obligatory paedomorphic Amphibian since metamorphosis never occurs spontaneously and ..
  2. Zhang W, Delay R. Gonadotropin-releasing hormone modulates voltage-activated sodium current and odor responses in Necturus maculosus olfactory sensory neurons. J Neurosci Res. 2007;85:1656-67 pubmed
    ..To examine the effects of GnRH on isolated Necturus maculosus olfactory sensory neurons (OSNs), we used the perforated configuration of the patch clamp technique to ..
  3. Dobrovoljc K, Falnoga I, Znidaric M, Mazej D, Scancar J, Bulog B. Cd, Cu, Zn, Se, and metallothioneins in two amphibians, Necturus maculosus (Amphibia, Caudata) and Bufo bufo (Amphibia, Anura). Biol Trace Elem Res. 2012;150:178-94 pubmed publisher
    ..MTs), and its relation to copper, zinc, and selenium were investigated in the experimental mudpuppy Necturus maculosus and the common toad Bufo bufo captured in nature. Specimens of N...
  4. Dionne V. Chemosensory responses in isolated olfactory receptor neurons from Necturus maculosus. J Gen Physiol. 1992;99:415-33 pubmed
    Olfactory receptor neurons were isolated without enzymes from the mudpuppy, Necturus maculosus, and tested for chemosensitivity...
  5. Singh S, Callard G. Identification of an androgen receptor in the zonal testis of the salamander (Necturus maculosus). Gen Comp Endocrinol. 1992;86:220-30 pubmed
    The testis of the salamander, Necturus maculosus, is advantageous for studying biochemical changes during spermatogenesis because germ cells and associated Sertoli and Leydig cells are topographically separated by stage of development...
  6. Jovanovic K, Burke R. Anatomical organization of motoneurons and interneurons in the mudpuppy (Necturus maculosus) brachial spinal cord: the neural substrate for central pattern generation. Can J Physiol Pharmacol. 2004;82:628-36 pubmed
    ..This study provides a detailed foundation for electrophysiological experiments aimed at elucidating the neural circuits involved in locomotor pattern generation...
  7. Delay R, Dionne V. Two second messengers mediate amino acid responses in olfactory sensory neurons of the salamander, Necturus maculosus. Chem Senses. 2002;27:673-80 pubmed
    ..We isolated olfactory sensory neurons from the salamander Necturus maculosus and used calcium imaging with the indicator dye fura-2 to examine olfactory responses elicited by amino ..
  8. Zeuthen T. Cotransport of K+, Cl- and H2O by membrane proteins from choroid plexus epithelium of Necturus maculosus. J Physiol. 1994;478 ( Pt 2):203-19 pubmed
    ..between K+, Cl- and H2O fluxes was studied in the ventricular membrane of the choroid plexus epithelium from Necturus maculosus by means of ion-selective microelectrodes. 2...
  9. Zeuthen T. Secondary active transport of water across ventricular cell membrane of choroid plexus epithelium of Necturus maculosus. J Physiol. 1991;444:153-73 pubmed
    ..Cl-, K+ and H2O fluxes were studied in the ventricular membrane of the choroid plexus epithelium from Necturus maculosus by means of ion-selective microelectrodes...
  10. Copello J, Heming T, Segal Y, Reuss L. cAMP-activated apical membrane chloride channels in Necturus gallbladder epithelium. Conductance, selectivity, and block. J Gen Physiol. 1993;102:177-99 pubmed
    ..These data strongly suggest that 10-pS Cl- channels are responsible for the cAMP-induced increase in apical membrane conductance of NGB epithelium...
  11. Dubinsky W, Mayorga Wark O, Schultz S. Potassium channels in basolateral membrane vesicles from necturus enterocytes: stretch and ATP sensitivity. Am J Physiol Cell Physiol. 2000;279:C634-8 pubmed
    ..previously reported that ATP-inhibitable K(+) channels, in vesicles derived from the basolateral membrane of Necturus maculosus small intestinal cells, exhibit volume regulatory responses that resemble those found in the intact tissue ..
  12. Stoddard J, Reuss L. Dependence of cell membrane conductances on bathing solution HCO3-/CO2 in Necturus gallbladder. J Membr Biol. 1988;102:163-74 pubmed
    ..The above observations are discussed in terms of a stimulatory effect of solution [HCO3-]/PCO2 on transepithelial fluid transport, which results in adaptive changes in the conductive properties of the apical and basolateral membranes...
  13. Belgum J, Dvorak D, McReynolds J, Miyachi E. Push-pull effect of surround illumination on excitatory and inhibitory inputs to mudpuppy retinal ganglion cells. J Physiol. 1987;388:233-43 pubmed
    ..The relative effect of a given surround illumination on these two inputs, and hence the sign and magnitude of the net conductance change, varied with the amount of centre illumination...
  14. Hausmann R, Kuppe C, Egger H, Schweda F, Knecht V, Elger M, et al. Electrical forces determine glomerular permeability. J Am Soc Nephrol. 2010;21:2053-8 pubmed publisher
    ..In micropuncture experiments in Necturus maculosus, we measured a potential difference across the glomerular filtration barrier that was proportional to ..
  15. Reuss L, Simon B, Xi Z. Pseudo-streaming potentials in Necturus gallbladder epithelium. I. Paracellular origin of the transepithelial voltage changes. J Gen Physiol. 1992;99:297-316 pubmed
    ..We propose that they are pseudo-streaming potentials, i.e., junctional diffusion potentials caused by salt concentration changes in the lateral intercellular spaces secondary to osmotic water flow...
  16. Dausch R, Spring K. Regulation of NaCl entry into Necturus gallbladder epithelium by protein kinase C. Am J Physiol. 1994;266:C531-5 pubmed
    ..Therefore the mechanism of NaCl transport across the apical membrane can be controlled by the activity of protein kinase C...
  17. Fok M, Stein R. Effects of cholinergic and noradrenergic agents on locomotion in the mudpuppy (Necturus maculatus). Exp Brain Res. 2002;145:498-504 pubmed
    ..Cholinergic actions do not seem to be essential to the CPG for walking in the mudpuppy, but ACh may convert a rhythmic walking state to a more tonic state with occasional bursts of EMG activity for postural adjustments...
  18. Kottra G. Calcium is not involved in the cAMP-mediated stimulation of Cl- conductance in the apical membrane of Necturus gallbladder epithelium. Pflugers Arch. 1995;429:647-58 pubmed
  19. Coleman P, Miller R. Do N-methyl-D-aspartate receptors mediate synaptic responses in the mudpuppy retina?. J Neurosci. 1988;8:4728-33 pubmed
    ..Nevertheless, our results suggest that the racemic mixture of AP5 should not be used as an NMDA antagonist in retinal research, due to the AP4-like actions of its L-enantiomer...
  20. Cotton C, Reuss L. Measurement of the effective thickness of the mucosal unstirred layer in Necturus gallbladder epithelium. J Gen Physiol. 1989;93:631-47 pubmed
    ..Under our experimental conditions the effective USL at the mucosal surface of Necturus gallbladder epithelium was approximately 40 microns...
  21. Singh S, Callard G. A specific androgen-binding protein (ABP) in Necturus testis and its zonal distribution. J Exp Zool. 1989;250:73-81 pubmed
    The urodele amphibian Necturus maculosus has a zoned testis, which is advantageous for separating Leydig cells from germinal elements and for studying stage-dependent biochemical changes...
  22. Briden S, Flemstrom G. Alkaline secretion by Necturus proximal duodenal mucosa. Acta Physiol Scand. 1989;137:481-7 pubmed
    ..8 mM) to the luminal perfusate affected neither the transepithelial nor transmembrane electrical potential differences nor the resistance ratio. It is thus unlikely that the luminal membrane possesses any major HCO3- conductance...
  23. Kiviluoto T, Paimela H, Mustonen H, Kivilaakso E. Exogenous surface-active phospholipid protects Necturus gastric mucosa against luminal acid and barrier-breaking agents. Gastroenterology. 1991;100:38-46 pubmed
    ..Pretreatment of the tissue with phospholipid significantly opposed intracellular acidification, but the modulatory influences on the changes in intraepithelial potentials or resistances were less conspicuous and mostly insignificant...
  24. Reuss L, Simon B, Cotton C. Pseudo-streaming potentials in Necturus gallbladder epithelium. II. The mechanism is a junctional diffusion potential. J Gen Physiol. 1992;99:317-38 pubmed
    ..Our results do not support the notion of junctional solute-solvent coupling during transepithelial osmotic water flow...
  25. Giraldez F, Murray K, Sepulveda F, Sheppard D. Characterization of a phosphorylation-activated Cl-selective channel in isolated Necturus enterocytes. J Physiol. 1989;416:517-37 pubmed
    ..inside-out configurations of the patch-clamp technique were employed to probe isolated enterocytes of Necturus maculosus for the presence of Cl(-)-selective channels. 2...
  26. Dubinsky W, Mayorga Wark O, Garretson L, Schultz S. Immunoisolation of a K+ channel from basolateral membranes of Necturus enterocytes. Am J Physiol. 1993;265:C548-55 pubmed
  27. Mayorga Wark O, Costantin J, Dubinsky W, Schultz S. Effects of a Shaker K+ channel peptide and trypsin on a K+ channel in Necturus enterocytes. Am J Physiol. 1993;265:C541-7 pubmed
    ..These findings, and others to be reported in a companion paper, suggest structural homologies between the "inactivation peptide" of the Shaker B K+ channel and the voltage-gate of the Necturus K+ channel...
  28. Scornik F, Merriam L, Parsons R. Number of K(Ca) channels underlying spontaneous miniature outward currents (SMOCs) in mudpuppy cardiac neurons. J Neurophysiol. 2001;85:54-60 pubmed
  29. Kottra G, Haase W, Fromter E. Tight-junction tightness of Necturus gall bladder epithelium is not regulated by cAMP or intracellular Ca2+. I. Microscopic and general electrophysiological observations. Pflugers Arch. 1993;425:528-34 pubmed
    ..abstract truncated at 250 words)..
  30. Giraldez F, Sepulveda F, Sheppard D. A chloride conductance activated by adenosine 3',5'-cyclic monophosphate in the apical membrane of Necturus enterocytes. J Physiol. 1988;395:597-623 pubmed
    ..Chloride conductance was also insensitive to furosemide.(ABSTRACT TRUNCATED AT 400 WORDS)..
  31. Delay R, Mackay Sim A, Roper S. Membrane properties of two types of basal cells in Necturus taste buds. J Neurosci. 1994;14:6132-43 pubmed
    ..These currents are similar to those observed in taste receptor cells. In contrast, presumptive stem cells from Necturus taste buds only had outward K+ currents...
  32. Schoenfeld L, Souder J, Hardwick J. Pituitary adenylate cyclase-activating polypeptide innervation of the mudpuppy cardiac ganglion. Brain Res. 2000;882:180-90 pubmed
    ..adenylate cyclase-activating polypeptide (PACAP) was determined in cardiac ganglia of the mudpuppy, Necturus maculosus. Although PACAP has been implicated in the regulation of cardiac function in several mammalian species, the ..
  33. Kivinen A, Tarpila S, Kiviluoto T, Mustonen H, Kivilaakso E. Milk and egg phospholipids act as protective surfactants against luminal acid in Necturus gastric mucosa. Aliment Pharmacol Ther. 1995;9:685-91 pubmed
    ..In the present study we measured intracellular pH and parameters of membrane resistances in gastric epithelium exposed to luminal acid using a microelectrode technique...
  34. Supplisson S, Loo D, Sachs G. Whole-cell currents in isolated resting Necturus gastric oxynticopeptic cells. J Physiol. 1993;463:57-82 pubmed
    ..7. Ba2+ or Cs+ had a voltage-dependent blocking effect of this inward K+ current. Ouabain (1 mM) or SCH 28080 (200 microM), specific inhibitors of the Na+,K(+)-ATPase and H+,K(+)-ATPase, had no effect.(ABSTRACT TRUNCATED AT 400 WORDS)..
  35. Myhr K, McReynolds J. Cholinergic modulation of dopamine release and horizontal cell coupling in mudpuppy retina. Vision Res. 1996;36:3933-8 pubmed
    ..D-Tubocurarine did not reduce light-evoked uncoupling of horizontal cells, suggesting that cholinergic neurons are not an essential part of the direct pathway by which light causes an immediate increase in dopamine release...
  36. Stockton R, Slaughter M. B-wave of the electroretinogram. A reflection of ON bipolar cell activity. J Gen Physiol. 1989;93:101-22 pubmed
  37. Thoreson W, Gottesman J, Jane D, Tse H, Watkins J, Miller R. Two phenylglycine derivatives antagonize responses to L-AP4 in ON bipolar cells of the amphibian retina. Neuropharmacology. 1997;36:13-20 pubmed
  38. Kiviluoto T, Ahonen M, Back N, Happola O, Mustonen H, Paimela H, et al. Preepithelial mucus-HCO-3 layer protects against intracellular acidosis in acid-exposed gastric mucosa. Am J Physiol. 1993;264:G57-63 pubmed
    ..60 +/- 0.46 within 2 h. This was followed by a more rapid acidification to 2.53 +/- 0.38 (P < 0.01; n = 7), with concomitant acidification of pH(i) from 7.19 +/- 0.05 to 6.03 +/- 0.33 (P < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)..
  39. Vanoye C, Vergara L, Reuss L. Isolated epithelial cells from amphibian urinary bladder express functional gap junctional hemichannels. Am J Physiol. 1999;276:C279-84 pubmed
    Exposure of the urinary bladder epithelium of Necturus maculosus (NUB) to protease and collagenase yields approximately 50% isolated polarized cells...
  40. Kersting U, Napathorn S, Spring K. Necturus gallbladder epithelial cell volume regulation and inhibitors of arachidonic acid metabolism. J Membr Biol. 1993;135:11-8 pubmed
    ..We conclude that inhibition of arachidonic acid metabolism does not directly affect RVD by Necturus gallbladder, but that blockade of the epoxygenase pathway can have a profound influence on NaCl entry into gallbladder epithelial cells...
  41. McBride D, Roper S. Ca(2+)-dependent chloride conductance in Necturus taste cells. J Membr Biol. 1991;124:85-93 pubmed
    ..describes the occurrence and localization of a Ca(2+)-dependent chloride conductance in taste cells of Necturus maculosus. Lingual epithelium from Necturus was removed with blunt dissection and mounted in a modified Ussing chamber ..
  42. Jain S, Roper S. Immunocytochemistry of gamma-aminobutyric acid, glutamate, serotonin, and histamine in Necturus taste buds. J Comp Neurol. 1991;307:675-82 pubmed
    ..the presence of the neurotransmitter candidates, GABA, glutamate, serotonin, and histamine in taste buds of Necturus maculosus. Light microscopic immunocytochemical techniques were used to investigate the location of these substances ..
  43. Safi R, Vlaeminck Guillem V, Duffraisse M, Seugnet I, Plateroti M, Margotat A, et al. Pedomorphosis revisited: thyroid hormone receptors are functional in Necturus maculosus. Evol Dev. 2006;8:284-92 pubmed
    ..The mudpuppy (Necturus maculosus) is an obligate pedomorphic amphibian, never undergoing metamorphosis...
  44. Garvin J, Spring K. Regulation of apical membrane ion transport in Necturus gallbladder. Am J Physiol. 1992;263:C187-93 pubmed
    ..These observations explain the previous disagreements about the mode of NaCl entry into Necturus gallbladder epithelial cells...
  45. Lyall P, Armstrong W, Lyall V. Effect of HCO(3)(-) on TPA- and IBMX-induced anion conductances in Necturus gallbladder epithelial cells. Am J Physiol Cell Physiol. 2000;279:C1385-92 pubmed
    ..Because these changes were independent of mucosal Na(+) and Cl(-), it is suggested that TPA and IBMX induce a transient increase in apical HCO(3)(-) conductance...
  46. Zeuthen T. Water permeability of ventricular cell membrane in choroid plexus epithelium from Necturus maculosus. J Physiol. 1991;444:133-51 pubmed
    ..of H2O, K+ and Cl- were studied in the ventricular membrane of the epithelium from the choroid plexus of Necturus maculosus. 2. The flows were induced by abrupt changes in external osmolarity of the ventricular solution...
  47. Ewald D, Roper S. Intercellular signaling in Necturus taste buds: chemical excitation of receptor cells elicits responses in basal cells. J Neurophysiol. 1992;67:1316-24 pubmed
    ..Long-latency (greater than 75 ms) responses are consistent with recording postsynaptic responses in basal cells...
  48. Cotton C, Weinstein A, Reuss L. Osmotic water permeability of Necturus gallbladder epithelium. J Gen Physiol. 1989;93:649-79 pubmed
    ..Furthermore, comparison of membrane and transepithelial Lp's suggests that a large fraction of the transepithelial water flow is across the cells rather than across the tight junctions...
  49. Light D, Capes T, Gronau R, Adler M. Extracellular ATP stimulates volume decrease in Necturus red blood cells. Am J Physiol. 1999;277:C480-91 pubmed
    This study examined whether extracellular ATP stimulates regulatory volume decrease (RVD) in Necturus maculosus (mudpuppy) red blood cells (RBCs)...
  50. Kottra G, Iacovelli C, Caroppo R, Curci S, Bakos P, Fromter E. Contribution of surface epithelial cells to total conductance of Necturus gastric fundus mucosa. Am J Physiol. 1996;270:G902-8 pubmed
    ..The data confirm that SEC are poorly permeable and that the major conductance path across gastric mucosa leads through OC in the glands. The reason for the protracted in vitro activation of the apical Na+ conductance in SEC is not known...
  51. Torres R, Altenberg G, Copello J, Zampighi G, Reuss L. Preservation of structural and functional polarity in isolated epithelial cells. Am J Physiol. 1996;270:C1864-74 pubmed
    We describe a method to isolate epithelial cells from gallbladders of Necturus maculosus with preserved structural and functional polarity...
  52. Thoreson W, Miller R. Actions of (1S,3R)-1-aminocyclopentane-1,3-dicarboxylic acid (1S,3R-ACPD) in retinal ON bipolar cells indicate that it is an agonist at L-AP4 receptors. J Gen Physiol. 1994;103:1019-34 pubmed
  53. Coleman P, Miller R. Kainate receptor-mediated synaptic currents in mudpuppy inner retinal neurons reduced by D-O-phosphoserine. J Neurophysiol. 1989;62:495-500 pubmed
    ..Thus DOS was a selective KA antagonist, and KA receptors appear to be the dominant EAAR subtype that mediates synaptic inputs into the inner retina of the mudpuppy...
  54. Thoreson W, Miller R. Removal of extracellular chloride suppresses transmitter release from photoreceptor terminals in the mudpuppy retina. J Gen Physiol. 1996;107:631-42 pubmed
    ..for Cl-free effects was therefore reexamined in a superfused retinal slice preparation from the mudpuppy (Necturus maculosus) using whole-cell voltage and current clamp techniques...
  55. Ewald D, Roper S. Bidirectional synaptic transmission in Necturus taste buds. J Neurosci. 1994;14:3791-804 pubmed
    ..The net effect is that activation of basal cells effectively increases the chemosensitivity of taste receptor cells...
  56. Kiviluoto T, Paimela H, Mustonen H, Kivilaakso E. Intracellular pH in isolated Necturus antral mucosa exposed to luminal acid. Gastroenterology. 1990;98:901-8 pubmed
    ..Removal of the sheltering HCO3- unmasks a second line, Na(+)-dependent and amiloride-sensitive intracellular pH regulatory mechanism, presumably a Na+/H+ antiport...
  57. Planelles G, Anagnostopoulos T, Cheval L, Doucet A. Biochemical and functional characterization of H(+)-K(+)-ATPase in distal amphibian nephron. Am J Physiol. 1991;260:F806-12 pubmed
    ..It is suggested that K(+)-ATPase present in the terminal segments of amphibian nephron is similar to the gastric H(+)-K+ pump and is involved in urinary acidification...
  58. Lavrov I, Cheng J. Activation of NMDA receptors is required for the initiation and maintenance of walking-like activity in the mudpuppy (Necturus Maculatus). Can J Physiol Pharmacol. 2004;82:637-44 pubmed
    ..Operation of non-NMDA receptors plays a powerful role in the modulation of the walking-like activity in the mudpuppy...
  59. Rutten M, Chern H, Moore C, Hamilton J, Cheung L. Effects of parathyroid hormone on cyclic-AMP concentrations of in vitro Necturus maculosus gastric antrum. Gen Comp Endocrinol. 1989;75:241-6 pubmed
    ..on the stimulation of intracellular cyclic-AMP [cAMP] were investigated in an in vitro preparation of Necturus maculosus antral mucosa...
  60. Sheppard D, Giraldez F, Sepulveda F. Kinetics of voltage- and Ca2+ activation and Ba2+ blockade of a large-conductance K+ channel from Necturus enterocytes. J Membr Biol. 1988;105:65-75 pubmed
  61. Welton J, Taylor R, Porter A, Roper S. Immunocytochemical survey of putative neurotransmitters in taste buds from Necturus maculosus. J Comp Neurol. 1992;324:509-21 pubmed
    ..about synaptic transmission in these sensory organs, we have examined taste buds of the mudpuppy, Necturus maculosus for the presence of neurotransmitters and neuromodulators...
  62. Ashley S, Soybel D, Moore C, Cheung L. Effects of aspirin and acetic acid on intracellular pH in necturus gastric mucosa. Am J Surg. 1989;157:66-73 pubmed
    ..In contrast, under acidic conditions, these agents increase the permeability of the apical cell membrane-to-acid back-diffusion from the gastric lumen...