期刊
GENOMICS
卷 89, 期 2, 页码 197-206出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygeno.2006.09.006
关键词
ear; inner; MPSS; transcription; genetic; Vmo1; Slc26a5
资金
- Intramural NIH HHS [Z01 DC000039, Z01 DC000035] Funding Source: Medline
- NIDCD NIH HHS [Z01 DC000039-09] Funding Source: Medline
Specialization in cell function and morphology is influenced by the differential expression of mRNAs, many of which are expressed at low abundance and restricted to certain cell types. Detecting such transcripts in cDNA libraries may require sequencing millions of clones. Massively parallel signature sequencing (MPSS) is well suited to identifying transcripts that are expressed in discrete cell types and in low abundance. We have made MPSS libraries from microdissections of three inner ear tissues. By comparing these MPSS libraries to those of 87 other tissues included in the Mouse Reference Transcriptome online resource, we have identified genes that are highly enriched in, or specific to, the inner ear. We show by RT-PCR and in situ hybridization that signatures unique to the inner ear libraries identify transcripts with highly specific cell-type localizations. These transcripts serve to illustrate the utility of a resource that is available to the research community. Utilization of these resources will increase the number of known transcription units and expand our knowledge of the tissue-specific regulation of the transcriptome. (c) 2006 Elsevier Inc. All rights reserved.
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