{"id":38539,"date":"2010-06-08T09:17:00","date_gmt":"2010-06-08T09:17:00","guid":{"rendered":"https:\/\/matis.is\/?p=38539"},"modified":"2023-02-03T09:38:31","modified_gmt":"2023-02-03T09:38:31","slug":"bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/greinar\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\/","title":{"rendered":"Bacterial diversity of weathered terrestrial volcanic glasses, Iceland 2010"},"content":{"rendered":"<p>The diversity of microbial communities inhabiting two terrestrial volcanic glasses of contrasting mineralogy and age was characterized. Basaltic glass from a &lt;0.8 Ma hyaloclastite deposit (Valafell) harbored a more diverse Bacteria community than the younger rhyolitic glass from \u223c150-300 AD (D\u03ccmadalshraun lava flow). Actinobacteria dominated 16S rRNA gene clone libraries from both sites, however, Proteobacteria, Acidobacteria and Cyanobacteria were also numerically abundant in each. A significant proportion (15-34%) of the sequenced clones displayed &lt;85% sequence similarities with current database sequences, thus suggesting the presence of novel microbial diversity in each volcanic glass. The majority of clone sequences shared the greatest similarity to uncultured organisms, mainly from soil environments, among these clones from Antarctic environments and Hawaiian and Andean volcanic deposits. Additionally, a large number of clones within the Cyanobacteria and Proteobacteria were more similar to sequences from other lithic environments, included among these Icelandic clones from crystalline basalt and rhyolite, however, no similarities to sequences reported from marine volcanic glasses were observed. PhyloChip analysis detected substantially greater numbers of phylotypes at both sites than the corresponding clone libraries, but nevertheless also identified the basaltic glass community as the richer, containing approximately 29% unique phylotypes compared to rhyolitic glass.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.semanticscholar.org\/paper\/Bacterial-Diversity-of-Weathered-Terrestrial-Kelly-Cockell\/f3f64849dd3ee4492d669bf46c7ee536572cbc0b\">Link to article<\/a><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>The diversity of microbial communities inhabiting two terrestrial volcanic glasses of contrasting mineralogy and age was characterised. Basaltic glass from [&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-38539","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>Bacterial diversity of weathered terrestrial volcanic glasses, Iceland 2010 - 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\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bacterial diversity of weathered terrestrial volcanic glasses, Iceland 2010 - Mat\u00eds\" \/>\n<meta property=\"og:description\" content=\"The diversity of microbial communities inhabiting two terrestrial volcanic glasses of contrasting mineralogy and age was characterised. Basaltic glass from [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/matis.is\/en\/greinar\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\/\" \/>\n<meta property=\"og:site_name\" content=\"Mat\u00eds\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/matisiceland\" \/>\n<meta property=\"article:published_time\" content=\"2010-06-08T09:17:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-03T09:38:31+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@matisiceland\" \/>\n<meta name=\"twitter:site\" content=\"@matisiceland\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/matis.is\\\/en\\\/greinar\\\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/matis.is\\\/en\\\/greinar\\\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/matis.is\\\/#\\\/schema\\\/person\\\/33b92c850c915c93e67f291e3381a49a\"},\"headline\":\"Bacterial diversity of weathered terrestrial volcanic glasses, Iceland 2010\",\"datePublished\":\"2010-06-08T09:17:00+00:00\",\"dateModified\":\"2023-02-03T09:38:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/matis.is\\\/en\\\/greinar\\\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\\\/\"},\"wordCount\":211,\"publisher\":{\"@id\":\"https:\\\/\\\/matis.is\\\/#organization\"},\"articleSection\":[\"Greinar\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/matis.is\\\/en\\\/greinar\\\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\\\/\",\"url\":\"https:\\\/\\\/matis.is\\\/en\\\/greinar\\\/bacterial-diversity-of-weathered-terrestrial-volcanic-glasses-iceland-2010\\\/\",\"name\":\"Bacterial diversity of weathered terrestrial volcanic glasses, Iceland 2010 - 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