Dorsal spinal interneurons forming a primitive, cutaneous sensory pathway

Journal of Neurophysiology

Volumn 92, Issue 2, 2004, Pages 895-904

  Li, W C ^a   Soffe, S R ^a   Roberts, Alan ^a  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AMPA RECEPTOR; N METHYL DEXTRO ASPARTIC ACID RECEPTOR;

ANIMAL EXPERIMENT; ARTICLE; DENDRITE; DORSAL ROOT; INTERNEURON; NONHUMAN; PRIORITY JOURNAL; SENSORY SYSTEM; SKIN; SPINAL CORD; SWIMMING; TADPOLE; VERTEBRATE; XENOPUS;

ACTION POTENTIALS; AFFERENT PATHWAYS; ANIMALS; ELECTRIC STIMULATION; INTERNEURONS; LARVA; MOTOR ACTIVITY; NEURONS; NEURONS, AFFERENT; PERIODICITY; SENSATION; SKIN PHYSIOLOGY; SPINAL CORD; SWIMMING; XENOPUS;

EID: 3142673451     PISSN: 00223077     EISSN: None     Source Type: Journal    
DOI: 10.1152/jn.00024.2004     Document Type: Article

References (37)

1. Aiken SP, Kuenzi FM, and Dale N. Xenopus embryonic spinal neurons recorded in situ with patch-clamp electrodes-conditional oscillators after all? Eur J Neurosci 18: 333-343, 2003.
2. Boothby KM and Roberts A. Effects of site and strength of tactile stimulation on the swimming responses of Xenopus laevis embryos. J Zool (Lond) 235: 113-125, 1995.
3. Brown AG. Organization in the Spinal Cord: The Anatomy and Physiology of Identified Neurones. Berlin: Springer-Verlag, 1981.
4. Brown AG and Fyffe REW. Form and function of dorsal horn neurones with axons ascending the dorsal columns in cat. J Physiol 321: 31-47, 1981.
5. Clarke JDW, Hayes BP, Hunt SP, and Roberts A. Sensory physiology, anatomy and immunohistochemistry of Rohon-Beard neurones in embryos of Xenopus laevis. J Physiol 348: 511-525, 1984.
6. Clarke JDW and Roberts A. Interneurones in the Xenopus embryo spinal cord: sensory excitation and activity during swimming. J Physiol. 354: 345-362, 1984.
7. Goulding M, Lanuza G, Sapir T, and Narayan S. The formation of sensorimotor circuits. Curr Opin Neurobiol 12: 508-515, 2002.
8. Gowan K, Helms AW, Hunsaker TL, Collisson T, Ebert PJ, Odom R, and Johnson JE. Crossinhibitory activities of Ngn1 and Math1 allow specification of distinct dorsal interneurons. Neuron 31: 219-232. 2001.
9. Gross MK, Dottori M, and Goulding M. Lbx1 specifies somatosensory association interneurons in the dorsal spinal cord. Neuron 34: 535-549, 2002.
10. Hartenstein V. Early pattern of neuronal differentiation in the Xenopus embryonic brainstem and spinal cord. J Comp Neurol 328: 213-231, 1993.
11. Helms AW and Johnson JE. Specification of dorsal spinal cord interneurons. Curr Opin Neurobiol 13: 42-49, 2003.
12. Lee SK and Pfaff SL. Transcriptional networks regulating neuronal identity in the developing spinal cord. Nat Neurosci 4(Suppl): 1183-1191, 2001.
13. Li WC, Perrins R, Soffe SR, Yoshida M, Walford A, and Roberts A. Defining classes of spinal interneuron and their axonal projections in hatchling Xenopus laevis tadpoles. J Comp Neurol 441: 248-265, 2001.
14. Li WC, Soffe SR, and Roberts A. Spinal inhibitory neurons that modulate cutaneous sensory pathways during locomotion in a simple vertebrate. J Neurosci 22: 10924-10934, 2002.
15. Li WC, Soffe SR, and Roberts A. The spinal interneurons and properties of glutamatergic synapses in a primitive vertebrate cutaneous flexion reflex. J Neurosci 23: 9068-9077, 2003.
16. Morin F. A new spinal pathway for cutaneous impulses. Am J Physiol 183: 245-252, 1955.
17. Muller T, Brohmann H, Pierani A, Heppenstall PA, Lewin GR, Jessell TM, and Birchmeier C. The homeodomain factor lbx1 distinguishes two major programs of neuronal differentiation in the dorsal spinal cord. Neuron 34: 551-562, 2002.
18. Munoz A, Munoz M, Gonzales A, and ten Donkelaar HJ. Evidence for an Anuran homologue of the mammalian spinocervicothalamic system: an in vitro tract-tracing study in Xenopus laevis. Eur J Neurosci 8: 1390-1400, 1996.
19. Nieuwkoop PD and Faber J. Normal Tables of Xenopus laevis (Daudin). Amsterdam: North Holland, 1956.
20. Pearson KG and Collins DF. Reversal of the influence of group Ib afferents from plantaris on activity in medial gastrocnemius muscle during locomotor activity. J Neurophysiol 70: 1009-1017, 1993.
21. Roberts A. How does a nervous system produce behaviour? A case study in neurobiology. Sci Prog 74: 31-51, 1990.
22. Roberts A. Early functional organization of spinal neurons in developing lower vertebrates. Brain Res Bull 53: 585-593, 2000.
23. Roberts A and Clarke JDW. The neuroanatomy of an amphibian embryo spinal cord. Phil Trans Roy Soc 296: 195-212, 1982.
24. Roberts A, Dale N, and Soffe SR. Sustained responses to brief stimuli: swimming in Xenopus embryos. J Exp Biol 112: 321-335, 1984.
25. Roberts A and Sillar KT. Characterization and function of spinal excitatory interneurons with commissural projections in Xenopus laevis embryos. Eur J Neurosci 2: 1051-1062, 1990.
26. Roberts A and Tunstall MJ. Mutual re-excitation with post-inhibitory rebound: a simulation study on the mechanisms for locomotor rhythm generation in the spinal cord of Xenopus embryos. Eur J Neurosci 2: 11-23, 1990.
27. Sharma K and Peng CY. Spinal motor circuits: merging development and function. Neuron 29: 321-324, 2001.
28. Sillar KT and Roberts A. Control of frequency during swimming in Xenopus embryos: a study on interneuronal recruitment in a spinal rhythm generator. J Physiol 472: 557-572, 1993.
29. Sillar KT and Roberts A. A neuronal mechanism for sensory gating during locomotion in a vertebrate. Nature 331: 262-265, 1988a.
30. Sillar KT and Roberts A. Unmyelinated cutaneous afferent neurons activate two types of excitatory amino acid receptor in the spinal cord of Xenopus laevis embryos. J Neurosci 8: 1350-1360, 1988b.
31. Sillar KT and Roberts A. Phase-dependent modulation of a cutaneous sensory pathway by glycinergic inhibition from the locomotor rhythm generator in Xenopus embryos. Eur J Neurosci 4: 1022-1034, 1992a.
32. Sillar KT and Roberts A. The role of premotor interneurons in phase-dependent modulation of a cutaneous reflex during swimming in Xenopus laevis embryos. J Neurosci 12: 1647-1657, 1992b.
33. Soffe SR. Triggering and gating of motor responses by sensory stimulation: behavioural selection in Xenopus embryos. Proc R Soc Lond B Biol Sci 246: 197-203, 1991.
34. Soffe SR. Two distinct rhythmic motor patterns are driven by common premotor and motor neurons in a simple vertebrate spinal cord. J Neurosci 13: 4456-4469, 1993.
35. Soffe SR. The pattern of sensory discharge can determine the motor response in young Xenopus tadpoles. J Comp Physiol 180: 711-715, 1997.
36. Willis WD and Coggeshall RE. Sensory Mechanisms of the Spinal Cord. New York: Plenum Press, 1991.
37. Zhao FY, Burton BG, Wolf E, and Roberts A. Asymmetries in sensory pathways from skin to motoneurons on each side of the body determine the direction of an avoidance response in hatchling Xenopus tadpoles. J Physiol 506: 471-487, 1998.