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题目:: Chromosomal clustering of genes in absent, small, or homeotic discs 2 (ash2) mutant larvae
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状态:: 发布时间June 25, 2010 , 更新时间 May 2, 2014 , 提交时间 Aug. 9, 2007,
物种:: Drosophila melanogaster
摘要:: We have performed a systematic examination of genome-wide expression profiles using microarrays to reconstruct a global picture of the trx regulatory gene network in D. melanogaster. Using computational analysis of the microarray data, we have identified 25 clusters of genes potentially regulated by trx, most of them being located in the arm L of chromosome 3. Functional analysis revealed that most clusters are enriched in structural proteins involved in cuticle formation, which are preferently expressed in salivary glands. The same organization in clusters was observed in the transcriptomes of four independent experiments, being a distinctive feature of the regulatory networks of trx and other chromatin regulators (ASH2, NURF, Pc, ASH1). We have also identified many of these clusters in D. simulans, D. yakuba, D. pseudoobscura and partially in A. gambiae. Keywords: loss of function analysis Total RNA from w1118;+;+ larvae was pooled and used as a common reference in four microarrays against w1118;+;ash2I1 total RNA coming from two different extractions to take biological differences into account. Amplified RNA (aRNA) was obtained with the Amino-Allyl Messageamp II aRNA Amplification Kit (Ambion, Inc) from w1118;+;+ and w1118;+;ash2I1 prior to hybridization.
实验种类:: transcription profiling by array
样本量:: 8
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数据号:: E-GEOD-8750, GSE8750
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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