西亚试剂：Regulatory analysis of the C. elegans genome with spatiotem

Carlos L. Araya, Trupti Kawli, Anshul Kundaje, Lixia Jiang, Beijing Wu, Dionne Vafeados,Robert Terrell, Peter Weissdepp, Louis Gevirtzman, Daniel Mace, Wei Niu, Alan P. Boyle,Dan Xie, Lijia Ma, John I. Murray, Valerie Reinke, Robert H. Waterston & Michael Snyder

Discovering the structure and dynamics of transcriptional regulatory events in the genome with cellular and temporal resolution is crucial to understanding the regulatory underpinnings of development and disease. We determined the genomic distribution of binding sites for 92 transcription factors and regulatory proteins across multiple stages of Caenorhabditis elegansdevelopment by performing 241 ChIP-seq (chromatin immunoprecipitation followed by sequencing) experiments. Integration of regulatory binding and cellular-resolution expression data produced a spatiotemporally resolved metazoan transcription factor binding map. Using this map, we explore developmental regulatory circuits that encode combinatorial logic at the levels of co-binding and co-expression of transcription factors, characterizing the genomic coverage and clustering of regulatory binding, the binding preferences of, and biological processes regulated by, transcription factors, the global transcription factor co-associations and genomic subdomains that suggest shared patterns of regulation, and identifying key transcription factors and transcription factor co-associations for fate specification of individual lineages and cell types.

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