{"id":82016,"date":"2021-11-25T09:53:51","date_gmt":"2021-11-25T14:53:51","guid":{"rendered":"https:\/\/inrs.ca\/?p=82016"},"modified":"2021-12-20T09:10:36","modified_gmt":"2021-12-20T14:10:36","slug":"the-hidden-side-of-rna","status":"publish","type":"post","link":"https:\/\/inrs.ca\/en\/news\/the-hidden-side-of-rna\/","title":{"rendered":"The hidden side of RNA"},"content":{"rendered":"\n

Qu\u00e9bec research team uses artificial intelligence (AI) to study the structure of RNA in the hopes of harnessing its functions.<\/strong><\/p>\n\n\n\n

<\/div>\n\n\n\n
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Ribozymes are RNA molecules ble to self-fold and even self-cleave to act as accelerators for biochemical reactions in the body. <\/figcaption><\/figure>\n\n\n\n
<\/div>\n\n\n\n

The genetic role of ribonucleic acid (RNA) is well known\u2014it transfers information from deoxyribonucleic acid (DNA) which is then transformed into a protein. However, this molecule may also have protein-like functions depending on its three-dimensional structure. Professor Jonathan Perreault<\/a> of the Institut national de la recherche scientifique (INRS) is collaborating with Concordia University professor Nawwaf Kharma<\/a> to understand how complex RNA structures work.<\/p>\n\n\n\n

The two researchers are working with a special computer program that allows them to replicate realistic RNA to study the complex functions of this molecule in the human body. <\/p>\n\n\n\n

Professor Perreault, an expert in microbiology and biochemistry, compares RNA to a paper photocopy of the genetic book that is DNA. \u201cThe photocopy that carries the information needed for protein synthesis can also be used as a paper airplane\u2014the information is retained, but the form itself performs a function too,\u201d he explained.<\/p>\n\n\n\n

The team is primarily focused on RNA molecules that act as accelerators for biochemical reactions in the body. These molecules, which are called ribozymes, are able to self-fold and even self-cleave, like a dotted line on a sheet of paper. This cleavage can be used to achieve complete degradation of the RNA molecule or allow for use of the resulting parts in several different ways.<\/p>\n\n\n\n


RNA computing<\/strong><\/h2>\n\n\n\n

This project is using the cleavage in logic circuits. \u201cAs in a computer program, the cleavage produces a segment of RNA that is considered an output<\/em>. Conversely, a small fragment of RNA can be used as an input. <\/em>It would be a bit like adding a Post-it note to our paper that will either inhibit or activate cleavage,\u201d explained Perreault. <\/p>\n\n\n\n

In his collaboration with Kharma, he is testing even more complex functions, for example three inputs<\/em> for the RNA to produce its output<\/em>. This type of scenario could be used with cancer markers. <\/p>\n\n\n\n

\u201cOne could imagine that when all three inputs <\/em>are present at the same time, we\u2019re dealing with a cancer cell; otherwise it would be another cell type.\u201d <\/p>Jonathan Perreault<\/strong>, expert on ARN molecules<\/cite><\/blockquote>\n\n\n\n

Specifying these functions manually would require a lot of trial and error, so the team uses the computer. \u201cWe give it the structure of the RNA and the function we want. The computer then has the latitude to change parts of the text that serve as instructions for self-folding that will achieve the expected behaviour,\u201d Perreault added.<\/p>\n\n\n\n

Eventually, the team hopes to obtain ribozymes that communicate when the output<\/em> of one RNA becomes the input<\/em> of another. There are still a number of challenges to overcome before such complex programs can be achieved, but the results so far are encouraging.<\/p>\n\n\n

\n

We suggest you to read<\/h4>\n
\n
\n
\n \"The\n <\/div>\n
\n The many faces of artificial intelligence<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

Qu\u00e9bec research team uses artificial intelligence (AI) to study the structure of RNA in the hopes of harnessing its functions.<\/p>\n","protected":false},"author":3,"featured_media":82022,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[688],"tags":[],"sectors":[678],"class_list":["post-82016","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innover-a-linrs-en","sectors-biotechnologie-en"],"acf":[],"yoast_head":"\nThe hidden side of RNA | INRS<\/title>\n<meta name=\"description\" content=\"Qu\u00e9bec research team uses artificial intelligence (AI) to study the structure of RNA in the hopes of harnessing its functions.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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