{"id":37750,"date":"2021-06-01T10:52:36","date_gmt":"2021-06-01T10:52:36","guid":{"rendered":"https:\/\/matis.is\/?p=37750"},"modified":"2021-06-01T10:52:37","modified_gmt":"2021-06-01T10:52:37","slug":"evaluation-of-the-production-of-exopolysaccahrides-by-two-strains-of-the-thermophilic-bacterium-rhodothermus-marinus","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/greinar\/evaluation-of-the-production-of-exopolysaccahrides-by-two-strains-of-the-thermophilic-bacterium-rhodothermus-marinus\/","title":{"rendered":"Evaluation of the production of exopolysaccahrides by two strains of the thermophilic bacterium Rhodothermus marinus"},"content":{"rendered":"<p>The thermophile\u00a0<em>Rhodothermus marinus<\/em>\u00a0produces extracellular polysaccharides (EPSs) that forms a distinct cellular capsule. Here, the first data on EPS production in strains DSM4252<sup>T<\/sup>\u00a0and MAT493 are reported and compared. Cultures of both strains, supplemented with either glucose, sucrose, lactose or maltose showed that the EPS were produced both in the exponential and stationary growth phase and that production in the exponential phase was boosted by maltose supplementation, while stationary phase production was boosted by lactose . The latter was higher, resulting in 8.8 (DSM4252<sup>T<\/sup>) and 13.7 mg EPS \/ g cell dry weight (MAT493) in cultures in marine broth supplemented with 10 g \/ L lactose. The EPSs were heteropolymeric with an average molecular weight of 8 \u00d7 10<sup>4<\/sup>\u00a0Da and different monosaccharides, including arabinose and xylose. FT-IR spectroscopy revealed presence of hydroxyl, carboxyl, N-acetyl, amine, and sulfate ester groups, showing that\u00a0<em>R. marinus<\/em>\u00a0produces unusual sulfated EPS with high arabinose and xylose content.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0144861716310049\">Link to article<\/a><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>The thermophile\u00a0Rhodothermus marinus\u00a0produces extracellular polysaccharides (EPSs) that forms a distinct cellular capsule. Here, the first data on EPS production in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"template-greinar.php","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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-37750","post","type-post","status-publish","format-standard","hentry","category-greinar"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evaluation of the production of exopolysaccahrides by two strains of the thermophilic bacterium Rhodothermus marinus - 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\/evaluation-of-the-production-of-exopolysaccahrides-by-two-strains-of-the-thermophilic-bacterium-rhodothermus-marinus\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evaluation of the production of exopolysaccahrides by two strains of the thermophilic bacterium Rhodothermus marinus - Mat\u00eds\" \/>\n<meta property=\"og:description\" content=\"The thermophile\u00a0Rhodothermus marinus\u00a0produces extracellular polysaccharides (EPSs) that forms a distinct cellular capsule. 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