{"id":51228,"date":"2022-08-01T10:21:34","date_gmt":"2022-08-01T08:21:34","guid":{"rendered":"https:\/\/www.embl.org\/news\/?p=51228"},"modified":"2024-03-22T11:54:22","modified_gmt":"2024-03-22T10:54:22","slug":"bacteria-proteins","status":"publish","type":"post","link":"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/","title":{"rendered":"Shining a light on how bacteria interact"},"content":{"rendered":"\n<p>For example, it can support the design of new antibacterials or vaccines. In the case of soil or marine bacteria, it can create strategies for rebalancing natural ecosystems.&nbsp;<\/p>\n\n\n\n<p>\u201cI\u2019ve always been fascinated by bacteria and how these tiny microbes have such a huge impact on us and our world,\u201d said <a href=\"https:\/\/www.ebi.ac.uk\/people\/person\/49f4aba5ccc4ca727c6d8e13af27bdb83a9c589262abdc0ef7b8cddb40fa6906\/\">Vivian Monzon, PhD student in the Bateman group at EMBL-EBI<\/a>. \u201cI\u2019m particularly interested in the nitty gritty of how bacteria infect cells.\u201d<\/p>\n\n\n\n<p>In her recent work, Monzon has been using machine learning to explore how bacteria interact with their environment. By analysing data from the <a href=\"https:\/\/www.uniprot.org\/\">UniProt<\/a> database and using <a href=\"https:\/\/www.alphafold.ebi.ac.uk\/\">AlphaFold<\/a>, she has been trying to fill in the gaps in our knowledge in this area.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Binding \u2013 the first step of the interaction&nbsp;<\/strong><\/h2>\n\n\n\n<p>Fibrillar adhesins are proteins located on the bacterial cell surface, which mediate interactions with the environment, e.g. with host cells or other bacteria. These proteins usually have a stalk, which helps them cross the bacterial cell surface and be projected closer to their targets \u2013 regardless of what they are trying to bind to. Fibrillar adhesins are essential for bacterium-host interactions, but they also evolve quickly, which makes them difficult to study.<\/p>\n\n\n\n<p>\u201cAs is often the case with computational experiments, one of the challenges was to identify a relevant dataset from the wealth of data available,\u201d explained Monzon. \u201cWe decided to look at two types of bacteria. The first are <em>Firmicutes<\/em> species \u2013&nbsp; some of the most well-studied bacteria out there; they can live in the human gut, and play a role in keeping the colon healthy. The second were <em>Actinobacteria<\/em> species, which are widely distributed in terrestrial and aquatic ecosystems.<\/p>\n\n\n\n<p>\u201cExcitingly, our analysis yielded over 6,500 fibrillar adhesins, many of which had never been seen before. This goes to show there is so much we still don&#8217;t know about the binding process, which is so essential in the bacterial world.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Beyond scientific curiosity<\/strong><\/h2>\n\n\n\n<p>The work goes beyond simple curiosity. By understanding how bacteria interact with biotic or abiotic surfaces, researchers can start to explore how drugs can be used to target these interactions, or whether the bacteria living in our bodies or our environments can be changed. This approach could allow researchers to improve the health of gut microbiomes \u2013&nbsp;the bacterial community living in a patient\u2019s gut. Going beyond healthcare, this information could help to return a marine or soil microbiome to its original state after perturbation by pollution or other agents.<\/p>\n\n\n\n<p>Work like Monzon\u2019s is helping researchers fill in the gaps in their understanding of the fascinating world of bacteria.&nbsp;&nbsp;<\/p>\n\n\n\n<p>As part of its new <a href=\"https:\/\/www.embl.org\/about\/programme\/research-plans\/microbial-ecosystems\/\">microbial ecosystems transversal theme<\/a>, EMBL is interested in pioneering ways to tap into the world\u2019s vast microbial diversity and understand the underlying molecular mechanisms behind how microbes interact with their host, other microbes and their environment.<\/p>\n\n\n\n<p>Similarly, this kind of close-up on bacterial interactions is essential for infection biology, to help researchers map what molecular mechanisms help pathogens find, invade host cells, and then survive and proliferate within them. Despite decades of study, the mechanisms of pathogen adhesion remain elusive. As part of its i<a href=\"https:\/\/www.embl.org\/about\/programme\/research-plans\/infection-biology\/\">nfection biology transversal theme<\/a>, EMBL aims to use cutting-edge technologies to systematically map and model host-pathogen interfaces at the atomic, molecular, and tissue levels. This can enrich the understanding scientists have of infection processes and how to stop them or slow them down.&nbsp;<\/p>\n\n\n\n<p>Monzon\u2019s project is just one of the many EMBL initiatives looking into the molecular mechanisms of bacteria. Anyone working on bacterial adhesive structures can find the AlphaFold structure model from <a href=\"https:\/\/journals.asm.org\/doi\/10.1128\/jb.00107-22\">Monzon\u2019s paper<\/a>, as well as the random forest prediction results in <a href=\"https:\/\/www.repository.cam.ac.uk\/handle\/1810\/335004\">this institutional repository of the University of Cambridge<\/a>.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Machine learning has helped researchers uncover new insights into how bacteria infect host cells.<\/p>\n","protected":false},"author":47,"featured_media":60551,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11060,2,17591],"tags":[28,1704,36,3684,604,5776,5770,704],"embl_taxonomy":[2906,12788],"class_list":["post-51228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-highlights","category-science","category-science-technology","tag-bioinformatics","tag-embl-programme","tag-embl-ebi","tag-infection-biology","tag-machine-learning","tag-microbial-ecosystems","tag-molecules-to-ecosystems","tag-proteins","embl_taxonomy-embl-ebi","embl_taxonomy-sequence-family-resources"],"acf":{"featured":true,"show_featured_image":false,"field_target_display":"both","article_intro":"<p>The ways in which bacteria infect cells are important for understanding host-pathogen interactions. The knowledge also opens up a world of practical applications.<\/p>\n","related_links":[{"link_description":"EMBL Programme - Molecules to ecosystems","link_url":"https:\/\/www.embl.org\/about\/programme\/"},{"link_description":"Bateman research group","link_url":"https:\/\/www.ebi.ac.uk\/research\/bateman\/"}],"source_article":[{"publication_title":"Large-Scale Discovery of Microbial Fibrillar Adhesins and Identification of Novel Members of Adhesive Domain Families","publication_link":{"title":"","url":"https:\/\/journals.asm.org\/doi\/10.1128\/jb.00107-22","target":"_blank"},"publication_authors":"Monzon V. et al.","publication_source":"Journal of Bacteriology","publication_date":"24 May 2022","publication_doi":"10.1128\/jb.00107-22"}],"in_this_article":false,"press_contact":"None","field_article_language":{"value":"english","label":"English"},"article_translations":false,"languages":""},"embl_taxonomy_terms":[{"uuid":"a:3:{i:0;s:36:\"b14d3f13-5670-44fb-8970-e54dfd9c921a\";i:1;s:36:\"89e00fee-87f4-482e-a801-4c3548bb6a58\";i:2;s:36:\"a99d1a7c-ca83-4c00-ab61-d082d3e41ce3\";}","parents":[],"name":["EMBL-EBI"],"slug":"embl-ebi","description":"Where &gt; All EMBL sites &gt; EMBL-EBI"},{"uuid":"a:3:{i:0;s:36:\"302cfdf7-365b-462a-be65-82c7b783ebf7\";i:1;s:36:\"18699e63-ed43-40c6-8d1c-203db7ed72ee\";i:2;s:36:\"47fc0471-d137-47ed-903b-2895c0e7c471\";}","parents":[],"name":["Sequence Family Resources"],"slug":"sequence-family-resources","description":"What &gt; EMBL-EBI Services &gt; Sequence Family Resources"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shining a light on how bacteria interact | EMBL<\/title>\n<meta name=\"description\" content=\"Researchers at EMBL-EBI are using machine learning to understand how bacteria interact with each other and their hosts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shining a light on how bacteria interact | EMBL\" \/>\n<meta property=\"og:description\" content=\"Researchers at EMBL-EBI are using machine learning to understand how bacteria interact with each other and their hosts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/\" \/>\n<meta property=\"og:site_name\" content=\"EMBL\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/embl.org\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-01T08:21:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T10:54:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.embl.org\/news\/wp-content\/uploads\/2022\/08\/2022-BATEMAN-Bacteria-Proteins-1000x600-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Oana Stroe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@embl\" \/>\n<meta name=\"twitter:site\" content=\"@embl\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oana Stroe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/\"},\"author\":{\"name\":\"Oana Stroe\",\"@id\":\"https:\/\/www.embl.org\/news\/#\/schema\/person\/95d28f359cc138357c5dcf79319ef414\"},\"headline\":\"Shining a light on how bacteria interact\",\"datePublished\":\"2022-08-01T08:21:34+00:00\",\"dateModified\":\"2024-03-22T10:54:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/\"},\"wordCount\":627,\"publisher\":{\"@id\":\"https:\/\/www.embl.org\/news\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.embl.org\/news\/science\/bacteria-proteins\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.embl.org\/news\/wp-content\/uploads\/2022\/08\/2022-BATEMAN-Bacteria-Proteins-1000x600-1.jpg\",\"keywords\":[\"bioinformatics\",\"embl programme\",\"embl-ebi\",\"infection biology\",\"machine learning\",\"microbial ecosystems\",\"molecules to ecosystems\",\"proteins\"],\"articleSection\":[\"Research highlights\",\"Science\",\"Science &amp; 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