The Developmental Genomics Section has been using a combination of zebrafish genetics and molecular embryology to study ear development and hearing regeneration. We do this through studying mutations that affect ear development or regeneration. One mutation that we are studying affects the regenerative ability in several tissues of the zebrafish embryo including the hair cells of the inner ear. We are cloning the transcript and establishing the subcellular localization of the protein and determining the function for the protein. ? We have initiated research on hair cell regeneration in adult zebrafish. We are exposing zebrafish to sound at high enough decibles to cause damage. We have measured the changes in gene expression that occur over a recovery period of several days and are in the process of defining the genetic network needed for hair cell regeneration. ? Another focus of the lab is to develop tools for studying gene expression on a genome wide scale. We have developed a technique for rapidly mapping the integration sites for retroviruses and transposable elements and we are now in the second phase of a process to map thousands of proviral integrations in the zebrafish germline to create an archived zebrafish mutant resource. We have completed the first phase to map 1600 retroviral integrations and test the efficacy of mutagenesis. This phase established the framework for generating the resource, and determine the number of total fish necessary to map 100,000 retroviral integrations (which will disrupt an estimated 12,000 genes). We are now in the process of generating the fish containing the 100,000 retroviral integrations.

National Institute of Health (NIH)
National Human Genome Research Institute (NHGRI)
Intramural Research (Z01)
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National Human Genome Research Institute
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Liang, Jin; Burgess, Shawn M (2009) Gross and fine dissection of inner ear sensory epithelia in adult zebrafish (Danio rerio). J Vis Exp :
Gomez, Gustavo A; Veldman, Matthew B; Zhao, Yan et al. (2009) Discovery and characterization of novel vascular and hematopoietic genes downstream of etsrp in zebrafish. PLoS One 4:e4994
Jao, Li-En; Burgess, Shawn M (2009) Production of pseudotyped retrovirus and the generation of proviral transgenic zebrafish. Methods Mol Biol 546:13-30
Wang, Ting; Zeng, Jue; Lowe, Craig B et al. (2007) Species-specific endogenous retroviruses shape the transcriptional network of the human tumor suppressor protein p53. Proc Natl Acad Sci U S A 104:18613-8
Wang, Dongmei; Jao, Li-En; Zheng, Naizhong et al. (2007) Efficient genome-wide mutagenesis of zebrafish genes by retroviral insertions. Proc Natl Acad Sci U S A 104:12428-33
Wu, Xiaolin; Luke, Brian T; Burgess, Shawn M (2006) Redefining the common insertion site. Virology 344:292-5
Antonellis, Anthony; Lee-Lin, Shih-Queen; Wasterlain, Amy et al. (2006) Functional analyses of glycyl-tRNA synthetase mutations suggest a key role for tRNA-charging enzymes in peripheral axons. J Neurosci 26:10397-406
Ahmed, Zubair M; Goodyear, Richard; Riazuddin, Saima et al. (2006) The tip-link antigen, a protein associated with the transduction complex of sensory hair cells, is protocadherin-15. J Neurosci 26:7022-34
Yan, Jizhou; Xu, Lisha; Crawford, Gregory et al. (2006) The forkhead transcription factor FoxI1 remains bound to condensed mitotic chromosomes and stably remodels chromatin structure. Mol Cell Biol 26:155-68
Nakai, Hiroyuki; Wu, Xiaolin; Fuess, Sally et al. (2005) Large-scale molecular characterization of adeno-associated virus vector integration in mouse liver. J Virol 79:3606-14

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