Linking promoters to functional transcripts in small samples with nanoCAGE and CAGEscan.

Linking promoters to functional transcripts in small samples with nanoCAGE and CAGEscan.
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DOI:
10.1038/nmeth.1470
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发表时间:
2010-07
期刊:
影响因子:
48
通讯作者:
Carninci, Piero
Carninci, Piero
中科院分区:
生物学1区
文献类型:
--
作者:
Plessy, Charles;Bertin, Nicolas;Takahashi, Hazuki;Simone, Roberto;Salimullah, Md;Lassmann, Timo;Vitezic, Morana;Severin, Jessica;Olivarius, Signe;Lazarevic, Dejan;Hornig, Nadine;Orlando, Valerio;Bell, Ian;Gao, Hui;Dumais, Jacqueline;Kapranov, Philipp;Wang, Huaien;Davis, Carrie A.;Gingeras, Thomas R.;Kawai, Jun;Daub, Carsten O.;Hayashizaki, Yoshihide;Gustincich, Stefano;Carninci, Piero

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Large-scale sequencing projects have revealed an unexpected complexity in the origins, structures and functions of mammalian transcripts. Many loci are known to produce overlapping coding and non-coding RNAs with capped 5′ ends that vary in size. Methods that identify the 5′ ends of transcripts will facilitate the discovery of novel promoters and 5′ ends derived from secondary capping events. Such methods often require high input amounts of RNA not obtainable from highly refined samples such as tissue microdissections and subcellular fractions. Therefore, we have developed nanoCAGE (Cap Analysis of Gene Expression), a method that captures the 5′ ends of transcripts from as little as 10 nanograms of total RNA and CAGEscan, a mate-pair adaptation of nanoCAGE that captures the transcript 5′ ends linked to a downstream region. Both of these methods allow further annotation-agnostic studies of the complex human transcriptome.
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