{"id":38698,"date":"2021-06-08T14:52:49","date_gmt":"2021-06-08T14:52:49","guid":{"rendered":"https:\/\/matis.is\/?p=38698"},"modified":"2021-06-08T14:52:51","modified_gmt":"2021-06-08T14:52:51","slug":"analysis-of-the-unique-geothermal-microbial-ecosystem-of%e2%80%89the-blue-lagoon","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/greinar\/analysis-of-the-unique-geothermal-microbial-ecosystem-of%e2%80%89the-blue-lagoon\/","title":{"rendered":"Analysis of the unique geothermal microbial ecosystem of the Blue Lagoon"},"content":{"rendered":"<p>Cultivation and culture-independent techniques were used to describe the geothermal ecosystem of the Blue Lagoon in Iceland. The lagoon contains both seawater and freshwater of geothermal origin and is extremely high in silica content. Water samples were collected repeatedly in summer and autumn in 2003 and 2005 and in winter 2006 were analyzed for species composition. The study revealed the typical traits of an extreme ecosystem characterized by dominating species and other species represented in low numbers. A total of 35 taxa were identified. The calculated biodiversity index of the samples was 2.1\u20132.5. The majority (83%) of analyzed taxa were closely related to bacteria of marine and geothermal origin reflecting a marine character of the ecosystem and the origin of the Blue Lagoon hydrothermal fluid. A high ratio (63%) of analyzed taxa represented putative novel bacterial species. The majority (71%) of analyzed clones were\u00a0<em>Alphaproteobacteria<\/em>, of which 80% belonged to the\u00a0<em>Roseobacter<\/em>\u00a0lineage within the family of\u00a0<em>Rhodobacteraceae<\/em>. Of seven cultivated species, the two most abundant ones belonged to this lineage.\u00a0<em>Silicibacter lacuscaerulensis<\/em>\u00a0was confirmed as a dominating species in the Blue Lagoon. One group of isolates represented a recently identified species within the genus of\u00a0<em>Nitratireductor<\/em>\u00a0within\u00a0<em>Rhizobiales<\/em>. This study implies an annually stable and seasonally dynamic ecosystem in the Blue Lagoon.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/academic.oup.com\/femsec\/article\/70\/3\/425\/531983\">Link to article<\/a><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Cultivation and culture-independent techniques were used to describe the geothermal ecosystem of the Blue Lagoon in Iceland. The lagoon contains [&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-38698","post","type-post","status-publish","format-standard","hentry","category-greinar"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Analysis of the unique geothermal microbial ecosystem of\u2009the Blue Lagoon - 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\/analysis-of-the-unique-geothermal-microbial-ecosystem-of\u2009the-blue-lagoon\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of the unique geothermal microbial ecosystem of\u2009the Blue Lagoon - Mat\u00eds\" \/>\n<meta property=\"og:description\" content=\"Cultivation and culture-independent techniques were used to describe the geothermal ecosystem of the Blue Lagoon in Iceland. 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