Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/100759
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dc.titleGenomewide expression analysis in zebrafish mind bomb alleles with pancreas defects of different severity identifies putative notch responsive genes
dc.contributor.authorHedge, A.
dc.contributor.authorQiu, N.C.
dc.contributor.authorQiu, X.
dc.contributor.authorHo, S.H.-K.
dc.contributor.authorTay, K.Q.-Y.
dc.contributor.authorGeorge, J.
dc.contributor.authorNg, F.S.L.
dc.contributor.authorGovindarajan, K.R.
dc.contributor.authorGong, Z.
dc.contributor.authorMathavan, S.
dc.contributor.authorJiang, Y.-J.
dc.date.accessioned2014-10-27T08:29:24Z
dc.date.available2014-10-27T08:29:24Z
dc.date.issued2008-01-23
dc.identifier.citationHedge, A., Qiu, N.C., Qiu, X., Ho, S.H.-K., Tay, K.Q.-Y., George, J., Ng, F.S.L., Govindarajan, K.R., Gong, Z., Mathavan, S., Jiang, Y.-J. (2008-01-23). Genomewide expression analysis in zebrafish mind bomb alleles with pancreas defects of different severity identifies putative notch responsive genes. PLoS ONE 3 (1) : -. ScholarBank@NUS Repository.
dc.identifier.issn19326203
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/100759
dc.description.abstractBackground. Notch signaling is an evolutionarily conserved developmental pathway. Zebrafish mind bomb (mib) mutants carry mutations on mib gene, which encodes a RING E3 ligase required for Notch activation via Delta/ Jagged ubiquitylation and internalization. Methodology/Principal Findings. We examined the mib mutants for defects in pancreas development using in situ hybridization and GFP expression analysis of pancreas-specific GFP lines, carried out the global gene expression profile analysis of three different mib mutant alleles and validated the microarray data using real-time PCR and fluorescent double in situ hybridization. Our study showed that the mib mutants have diminished exocrine pancreas and this defect was most severe in mibta52b followed by mibm132 and then mibtfi91 which is consistent with the compromised Notch activity found in corresponding mib mutant alleles. Global expression profile analysis of mib mutants showed that there is a significant difference in gene expression profile of wt and three mib mutant alleles. There are 91 differentially expressed genes that are common to all three mib alleles. Through detailed analysis of microarray data, we have identified several previously characterized genes and some putative Notch-responsive genes involved in pancreas development. Moreover, results from real-time PCR and fluorescent double in situ hybridization were largely consistent with microarray data. Conclusions/Significance. This study provides, for the first time, a global gene expression profile in mib mutants generating useful genomic resources and providing an opportunity to identify the function of novel genes involved in Notch signaling and Notch-regulated developmental processes. © 2008 Hegde et al.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1371/journal.pone.0001479
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentBIOLOGICAL SCIENCES
dc.description.sourcetitlePLoS ONE
dc.description.volume3
dc.description.issue1
dc.description.page-
dc.identifier.isiut000260503900024
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