Ontology highlight
ABSTRACT:
PROVIDER: PRJNA526348 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8705760_1.fastq.gz | Fastqsanger.gz | |||
| SRR8705760_2.fastq.gz | Fastqsanger.gz | |||
| SRR8705761_1.fastq.gz | Fastqsanger.gz | |||
| SRR8705761_2.fastq.gz | Fastqsanger.gz | |||
| SRR8705762_1.fastq.gz | Fastqsanger.gz |
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Project description:Metazoan genomes encode hundreds of RNA binding proteins (RBPs) but relatively few have well-defined RNA-binding preferences. Current techniques for determining RNA targets, including those involving in vitro selection and RNA co-immunoprecipitation, require significant time and labour investment. Here we introduce RNAcompete, a new method for the systematic analysis of RNA-binding specificities that employs a single binding reaction to determine the relative preferences of RBPs for short RNAs that containing a complete range of k-mers in structured and unstructured RNA contexts. We tested RNAcompete by analyzing nine diverse RBPs (HuR, Vts1, FUSIP1, PTB, U1A, SF2/ASF, SLM2, RBM4, and YB1). RNAcompete identified both expected and previously unknown RNA binding preferences. Using in vitro and in vivo binding data, we demonstrate that preferences for individual 7-mers identified by RNAcompete are a more accurate representation of binding activity than conventional motif models. We anticipate that RNAcompete will be a valuable tool for the large-scale study of RNA-protein interactions.
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Project description:Recently developed methods applied to plant material, for example tissue culture during plant transformation, can induce genome instability by activating uncontrolled mobilization of LTR retrotransposons (LTR-TEs), the most abundant class of mobile genetic elements in plant genomes. Here we tested the use of Reverse Transcriptase inhibitors to avoid LTR-TE mobilization in plants. We demonstrated that the application of the drug Tenofovir in systems with high LTR-TE activity, like Arabidopsis and rice, allows generation of plants free from LTR-TE insertions without interfering with their development. We propose the use of Tenofovir as a new tool to both study LTR-TE transposition and to regenerate more genetically stable plant lines from tissue culture.
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