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Screening Pipeline Maps Protein-RNA Interactions
News

Screening Pipeline Maps Protein-RNA Interactions

Screening Pipeline Maps Protein-RNA Interactions
News

Screening Pipeline Maps Protein-RNA Interactions

A new high-throughput screening method has been developed to detect direct biomolecule interactions. Such screening techniques are required to reveal how cellular building blocks are connected, which is crucial for understanding how cells function or dysfunction in the case of diseases. Image credit: Pixabay
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New technologies allowed scientists during the last decades to understand the genetic information an organism possess, which of this information is actively used and which proteins are made by the cell in different circumstances. Now it is a big challenge to understand how biomolecules such as proteins and RNA messenger molecules combine to form the complexes required for a functional cell. In other words, we know the ten thousands of parts a cell is build off, but we don’t know how they belong together.

In a paper published in Nature Communications, scientists at the Centre for Genomic Regulation (CRG) describe the development of a new method, named “rec-YnH”, which was designed to understand the complexes formed between hundreds of proteins and RNAs at the same time.

The method, whose development was led by Sebastian Maurer in collaboration with the Luis Serrano laboratory, is the first technique that allows the detection of interactions between a large number of proteins and RNA molecules at the same time. The researchers put emphasis on the development of a doable and affordable method which is widely applicable.

“Our method reliably measures interactions between many proteins or many proteins and RNA fragments without the need for expensive, specialized equipment,” explains Sebastian Maurer. “This methodology can be used by any standard biomedical research laboratory and will be useful for studying a particular process in the cell but also for researchers having to explore millions of protein interactions at a time to look for a complex involved in a particular disease,” he concludes.

Two CRG laboratories successfully combined their expertise in bioinformatics, biochemistry and molecular biology to implement and validate the method. “Our collaboration resulted in an affordable and feasible method that produces high-quality maps of protein-protein and protein-RNA interactions”, says Jae-Seong Yang, postdoctoral researcher and co-first author of the paper.

“Interactions between proteins and RNA are key for many biological processes including gene regulation, and our method is the first that can detect interactions between hundreds of proteins and RNAs at the same time. Having such an efficient new tool at hand will be extremely helpful to answer important questions related to many diseases,” states co-first author of the study and CRG researcher Mireia Garriga.

This article has been republished from materials provided by the Centre for Genomic Regulation. Note: material may have been edited for length and content. For further information, please contact the cited source.

Reference:

Yang, J., Garriga-Canut, M., Link, N., Carolis, C., Broadbent, K., Beltran-Sastre, V., . . . Maurer, S. P. (2018). Rec-YnH enables simultaneous many-by-many detection of direct protein–protein and protein–RNA interactions. Nature Communications, 9(1). doi:10.1038/s41467-018-06128-x

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