Abstract
Long-term changes in the efficacy ofAplysiasensorimotor synapses accompany nonassociative and associative forms of behavioral plasticity. This synapse expresses long-term facilitation either with repeated applications of 5-hydroxytryptamine (5-HT) or with a single pairing of tetanus in the sensory neuron (SN) and bath application of 5-HT. We examined whether structural changes in the SN accompany all forms of long-term synaptic enhancement and the locations at which 5-HT must bind receptors to evoke long-term functional and/or structural changes. Pairing tetanus with one application of 5-HT evoked both functional and structural changes after 24 hr only when 5-HT application was temporally paired with the tetanus and activated receptors on both the SN cell body and terminal region. Repeated application of 5-HT to the terminal region alone failed to evoke any long-term change. Repeated applications of 5-HT to the SN cell body alone evoked a change in synaptic efficacy at 24 hr but failed to increase SN varicosities. Repeated applications of 5-HT to both the SN cell body and the terminal region evoked increases in both synaptic efficacy and the number of SN varicosities at 24 hr. The results indicate that different external stimuli can evoke equivalent forms of long-term synaptic facilitation with or without structural changes in the SNs. Changes in the number of SN varicosities can accompany different forms of long-term facilitation and require the activation of 5-HT receptors at multiple sites.
References
78
Referenced
28
10.1073/pnas.81.24.7956
10.1523/JNEUROSCI.11-09-02655.1991
10.1016/0092-8674(94)90386-7
10.1126/science.7682336
10.1126/science.6828885
10.1073/pnas.85.7.2373
10.1146/annurev.ph.55.030193.002145
10.1016/0896-6273(92)90037-E
10.1523/JNEUROSCI.12-08-02960.1992
10.1126/science.275.5302.969
10.1016/0092-8674(95)90213-9
10.1016/0896-6273(89)90046-9
10.1126/science.2165631
- Byrne JH Zwartjes R Homayouni R Critz SD Erskin A (1993) Roles of second messenger pathways in neuronal plasticity and in learning and memory. in Advances in second messenger and phosphoprotein research, Vol 27, eds Shennolikar S Nairn AC (Raven, New York), pp 47–108.
10.1126/science.11560
10.1073/pnas.81.8.2577
10.1073/pnas.90.23.11411
10.1523/JNEUROSCI.07-07-02232.1987
10.1126/science.2892269
10.1038/345718a0
10.1523/JNEUROSCI.14-01-00368.1994
10.1126/science.8211146
10.1073/pnas.82.23.8266
10.1016/0896-6273(92)90215-Y
10.1016/0896-6273(95)90297-X
10.1016/0896-6273(89)90203-1
10.1126/science.2389145
10.1038/322419a0
10.1073/pnas.88.20.9021
10.1038/329062a0
10.1016/0304-3940(89)90360-1
10.1152/jn.1981.45.2.315
/ J Neurophysiol / Interneurons involved in mediation and modulation of gill-withdrawal reflex in Aplysia. II. Identified neurons produce heterosynaptic facilitation contributing to behavioral sensitization. by Hawkins (1981)10.1126/science.6294833
10.1016/S0092-8674(00)80188-9
10.1016/0896-6273(93)90207-8
10.1016/0896-6273(93)90331-K
10.1126/science.6289442
10.1523/JNEUROSCI.05-01-00072.1985
10.1083/jcb.119.5.1069
10.1523/JNEUROSCI.15-11-07585.1995
10.1523/JNEUROSCI.17-02-00755.1997
10.1038/340554a0
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/ Soc Neurosci Abstr / Synapse-specific, transcription-dependent long-term facilitation can be reconstituted in a novel Aplysia sensory–motor neuron culture system. by Martin (1997)10.1016/S0896-6273(00)80330-X
10.1126/science.1662413
10.1126/science.3775383
10.1038/333171a0
10.1016/0006-8993(91)91638-H
10.1073/pnas.82.8.2548
10.1523/JNEUROSCI.15-05-03519.1995
10.1523/JNEUROSCI.12-07-02633.1992
10.1523/JNEUROSCI.06-03-00759.1986
10.1073/pnas.87.5.2036
10.1523/JNEUROSCI.05-08-02028.1985
10.1016/0896-6273(91)90166-W
10.1523/JNEUROSCI.03-12-02403.1983
10.1126/science.2454509
10.1101/SQB.1990.055.01.021
10.1523/JNEUROSCI.10-10-03286.1990
/ J Neurosci / Selective short- and long-term effects of serotonin, small cardioactive peptide, and tetanic stimulation on sensorimotor synapses of Aplysia in culture. by Schacher (1990)10.1016/0896-6273(93)90056-W
10.1523/JNEUROSCI.17-02-00597.1997
10.1126/science.2433766
10.1126/science.2837826
10.1016/S0896-6273(00)80198-1
10.1523/JNEUROSCI.12-04-01160.1992
10.1523/JNEUROSCI.16-12-03887.1996
10.1126/science.7839148
10.1152/jn.1992.68.2.643
/ J Neurophysiol / Involvement of protein kinase C in serotonin-induced spike broadening and synaptic facilitation of sensorimotor connections in Aplysia. by Sugita (1992)10.1152/jn.1996.76.4.2250
/ J Neurophysiol / Development of short-term heterosynaptic facilitation at Aplysia sensorimotor synapses in vitro is accompanied by changes in the functional expression of presynaptic serotonin receptors. by Sun (1996)10.1523/JNEUROSCI.16-23-07540.1996
10.1523/JNEUROSCI.15-02-01275.1995
10.1126/science.6294834
10.1523/JNEUROSCI.15-11-07517.1995
10.1016/0092-8674(95)90375-5
10.1126/science.275.5304.1277
10.1002/cne.903110207
10.1523/JNEUROSCI.15-06-04173.1995
10.1523/JNEUROSCI.17-13-04976.1997
Dates
Type | When |
---|---|
Created | 7 years, 4 months ago (April 3, 2018, 9:35 a.m.) |
Deposited | 2 years, 4 months ago (April 13, 2023, 7:54 a.m.) |
Indexed | 3 months ago (May 27, 2025, 1:46 a.m.) |
Issued | 27 years, 2 months ago (June 1, 1998) |
Published | 27 years, 2 months ago (June 1, 1998) |
Published Online | 27 years, 2 months ago (June 1, 1998) |
Published Print | 27 years, 2 months ago (June 1, 1998) |
@article{Sun_1998, title={Binding of Serotonin to Receptors at Multiple Sites Is Required for Structural Plasticity Accompanying Long-Term Facilitation ofAplysiaSensorimotor Synapses}, volume={18}, ISSN={1529-2401}, url={http://dx.doi.org/10.1523/jneurosci.18-11-03991.1998}, DOI={10.1523/jneurosci.18-11-03991.1998}, number={11}, journal={The Journal of Neuroscience}, publisher={Society for Neuroscience}, author={Sun, Zhong-Yi and Schacher, Samuel}, year={1998}, month=jun, pages={3991–4000} }