# Indian scientists reveal new mutations, proteins of novel coronavirus (HT Tech) > To better understand how the virus is mutating and its protein biology, an IISc team led by Utpal Tatu, Professor in the Department of Biochemistry, has carried out a comprehensive proteo-genomic investigation a series of analyses of SARS-CoV-2 isolates. # Indian scientists reveal new mutations, proteins of novel coronavirus ## To better understand how the virus is mutating and its protein biology, an IISc team led by Utpal Tatu, Professor in the Department of Biochemistry, has carried out a comprehensive proteo-genomic investigation a series of analyses of SARS-CoV-2 isolates. Mar 04 2021, 16:47 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) ![Analysis suggests that the SARS-CoV-2 virus is now mutating faster than before.](https://images.hindustantimes.com/tech/img/2021/03/04/1600x900/coronavirus-4914026_1920_1614856517150_1614856523976.jpg) Analysis suggests that the SARS-CoV-2 virus is now mutating faster than before. (Pixabay) ![Author Photo](https://images.hindustantimes.com/tech/static/revamp/images/png/HTTech-new-circle-logo.png) ### By PTI A studyfrom the Indian Institute of Science (IISc) has identified multiple mutations and unique proteins in isolates of SARS-CoV-2, the virus that causes Covid-19. The recent study, published in the 'Journal of Proteome Research', has also shown that the host produces several proteins of their own as their body launches an immunological defence in response to the viral attack, the Bengaluru-based IISc said in a statement on Thursday. To better understand how the virus is mutating and its protein biology (proteins are made using genetic information), an IISc team led by Utpal Tatu, Professor in the Department of Biochemistry, has carried out a comprehensive proteo-genomic investigation a series of analyses of SARS-CoV-2 isolates. The isolates or viral samples were recovered from nasal secretions of consenting Covid-19 positive individuals here. Also read click here. The genomic analysis was done using what molecular biologists like Tatu call next generation sequencing (NGS), a technology that allows for rapid sequencing of the entire genome. He says that sequencing the genomes of viral strains from around the world is important because it helps keep track of mutations that are arising constantly. His teams analysis suggests that the virus is now mutating faster than before the three Bengaluru isolates had 27 mutations in their genomes with over 11 mutations per sample, more than both the national average (8.4) and global average (7.3). To understand the spread and evolutionary history of the virus, the team constructed a global phylogenetic tree, or a tree of relatedness, of viral isolates using the sequence data. The phylogenetic analysis found that the Bengaluru isolates are most closely related to the one from Bangladesh. It also showed that the isolates in India have multiple origins rather than having evolved from a single ancestral variant, the statement said. The SARS-CoV-2 genome codes for more than 25 proteins, but only a handful of these proteins have been identified so far, it said. "Studying viral proteins provides functional information which is currently not well represented," says Tatu. In the proteomic analysis, his team detected 13 different proteins most of them previously unidentified from clinical samples. “One such protein called Orf9b, which suppresses the hosts immune response, had been predicted, but the IISc team provided the first evidence of its expression,” Tatu said adding that just “knowing how the virus functions will not be enough. We need to put it in the context of the host”. Therefore, in the third analysis, his team explored how our bodies respond to the virus by examining host proteins. They discovered as many as 441 proteins unique to Covid-19 positive patients, many of which are speculated to play a key role in the bodys immune response. The proteomic analyses were carried out using a technique called high resolution mass spectrometry. The team is upbeat about the potential that this method has for large-scale testing. Proteins can be reliable markers of infections like Covid-19 because they are more abundant and stable as compared to RNA molecules on which the prevalent RT-PCR tests rely. Sheetal Tushir, a PhD student and the papers first author, says, “The best thing we can (hope to) see in this century is the use of mass spectrometry as a basic technique for diagnostics." Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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