{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T06:25:46Z","timestamp":1791354346883,"version":"4.3.1"},"reference-count":36,"publisher":"The Company of Biologists","issue":"7","license":[{"start":{"date-parts":[[2011,10,1]],"date-time":"2011-10-01T00:00:00Z","timestamp":1317427200000},"content-version":"vor","delay-in-days":183,"URL":"http:\/\/www.biologists.com\/user-licence-1-1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,4,1]]},"abstract":"<jats:p>Ribbon synapses of the ear, eye and pineal gland contain a unique protein component: Ribeye. Ribeye consists of a novel aggregation domain spliced to the transcription factor CtBP2 and is one of the most abundant proteins in synaptic ribbon bodies. Although the importance of Ribeye for the function and physical integrity of ribbon synapses has been shown, a specific role in synaptogenesis has not been described. Here, we have modulated Ribeye expression in zebrafish hair cells and have examined the role of Ribeye in synapse development. Knockdown of ribeye resulted in fewer stimulus-evoked action potentials from afferent neurons and loss of presynaptic CaV1.3a calcium channel clusters in hair cells. Additionally, afferent innervation of hair cells was reduced in ribeye morphants, and the reduction was correlated with depletion of Ribeye punctae. By contrast, transgenic overexpression of Ribeye resulted in CaV1.3a channels colocalized with ectopic aggregates of Ribeye protein. Overexpression of Ribeye, however, was not sufficient to create ectopic synapses. These findings reveal two distinct functions of Ribeye in ribbon synapse formation \u2013 clustering CaV1.3a channels at the presynapse and stabilizing contacts with afferent neurons \u2013 and suggest that Ribeye plays an organizing role in synaptogenesis.<\/jats:p>","DOI":"10.1242\/dev.059451","type":"journal-article","created":{"date-parts":[[2011,2,24]],"date-time":"2011-02-24T21:53:24Z","timestamp":1298584404000},"page":"1309-1319","source":"Crossref","is-referenced-by-count":132,"title":["Ribeye is required for presynaptic CaV1.3a channel localization and afferent innervation of sensory hair cells"],"prefix":"10.1242","volume":"138","author":[{"given":"Lavinia","family":"Sheets","sequence":"first","affiliation":[{"name":"Howard Hughes Medical Institute, Oregon Hearing Research Center and Vollum Institute, 3181 SW Sam Jackson Park Road, Oregon Health & Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josef G.","family":"Trapani","sequence":"additional","affiliation":[{"name":"Howard Hughes Medical Institute, Oregon Hearing Research Center and Vollum Institute, 3181 SW Sam Jackson Park Road, Oregon Health & Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weike","family":"Mo","sequence":"additional","affiliation":[{"name":"Howard Hughes Medical Institute, Oregon Hearing Research Center and Vollum Institute, 3181 SW Sam Jackson Park Road, Oregon Health & Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikolaus","family":"Obholzer","sequence":"additional","affiliation":[{"name":"Howard Hughes Medical Institute, Oregon Hearing Research Center and Vollum Institute, 3181 SW Sam Jackson Park Road, Oregon Health & Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teresa","family":"Nicolson","sequence":"additional","affiliation":[{"name":"Howard Hughes Medical Institute, Oregon Hearing Research Center and Vollum Institute, 3181 SW Sam Jackson Park Road, Oregon Health & Science University, Portland, OR 97239, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"237","reference":[{"key":"2021042607160048900_R1","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1016\/S0896-6273(01)00243-4","article-title":"Calcium dependence of exocytosis and endocytosis at the cochlear inner hair cell afferent synapse","volume":"29","author":"Beutner","year":"2001","journal-title":"Neuron"},{"key":"2021042607160048900_R2","doi-asserted-by":"crossref","first-page":"409","DOI":"10.1007\/s00441-006-0274-5","article-title":"The postsynaptic density","volume":"326","author":"Boeckers","year":"2006","journal-title":"Cell Tissue Res."},{"key":"2021042607160048900_R3","doi-asserted-by":"crossref","first-page":"11577","DOI":"10.1523\/JNEUROSCI.3411-05.2005","article-title":"Few CaV1.3 channels regulate the exocytosis of a synaptic vesicle at the hair cell ribbon synapse","volume":"25","author":"Brandt","year":"2005","journal-title":"J. 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