{"id":57881,"date":"2026-11-11T10:43:48","date_gmt":"2026-11-11T10:43:48","guid":{"rendered":"https:\/\/matis.is\/?p=57881"},"modified":"2026-11-11T10:44:36","modified_gmt":"2026-11-11T10:44:36","slug":"structure-function-and-applications-of-two-novel-phage-recombinases-from-extreme-environments","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/greinar\/structure-function-and-applications-of-two-novel-phage-recombinases-from-extreme-environments\/","title":{"rendered":"Structure, function, and applications of two novel phage recombinases from extreme environments"},"content":{"rendered":"<p class=\"wp-block-paragraph\">This study describes the identification and characterization of two new extremophilic phage recombinases, UvsX<sub>t<\/sub> and UvsX<sub>p<\/sub>, discovered through metagenomic analysis within the Virus-X project, and explores their potential applications in biotechnology. DNA recombinases are essential for maintaining genome integrity across all kingdoms of life by facilitating homologous recombination and repairing double-stranded DNA breaks. Their capacity to bind and stabilize single-stranded DNA (ssDNA) has led to wide-ranging applications in molecular biology. UvsX<sub>t<\/sub> and UvsX<sub>p<\/sub> show homology with known bacterial RecA and viral UvsX recombinases, including conservation of key catalytic residues and DNA-binding motifs. Biochemical assays reveal that both enzymes exhibit superior DNA strand-exchange activity compared to\u00a0<em>Escherichia\u00a0coli<\/em> RecA. High-resolution crystal structures of UvsX<sub>t<\/sub> (2.0 \u00c5) and UvsX<sub>p<\/sub> (2.6 \u00c5) confirm a conserved RecA-like core fold, with distinct structural variation at the N-terminus responsible for oligomerization. However, in spite of their similarities, we show that neither enzyme is capable to functionally replace RecA in <em>E. coli<\/em>. Their remarkable thermostability and functionality across diverse chemical environments highlights their robustness for biotechnological use. Notably, UvsX<sub>t<\/sub> enhances loop-mediated isothermal amplification of viral RNA by stabilizing ssDNA intermediates. These findings expand the repertoire of thermostable recombinases with potential utility in diagnostic applications.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"454\" src=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07-1024x454.png\" alt=\"\" class=\"wp-image-57882\" srcset=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07-1024x454.png 1024w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07-300x133.png 300w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07-18x8.png 18w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07-767x340.png 767w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-11-11-at-10.38.07.png 1214w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>This study describes the identification and characterization of two new extremophilic phage recombinases, UvsXt and UvsXp, discovered through metagenomic analysis [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2011],"tags":[],"class_list":["post-57881","post","type-post","status-publish","format-standard","hentry","category-greinar"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Structure, function, and applications of two novel phage recombinases from extreme environments - Mat\u00eds<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/matis.is\/en\/greinar\/structure-function-and-applications-of-two-novel-phage-recombinases-from-extreme-environments\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" 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