{"id":41363,"date":"2020-05-25T05:30:58","date_gmt":"2020-05-25T03:30:58","guid":{"rendered":"https:\/\/naturopatiadigital.eu\/?p=41363"},"modified":"2020-05-25T05:30:58","modified_gmt":"2020-05-25T03:30:58","slug":"41363","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=41363","title":{"rendered":"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva \u00abEvoluci\u00f3n r\u00e1pida del viroma intestinal humano\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/1.bp.blogspot.com\/-fwAnEPac-7I\/XsrWUKcJeLI\/AAAAAAAAdFs\/3gX9dgwHYZMX6WN-xGKCNI18zxEQzk9BQCLcBGAsYHQ\/s1600\/Proceedings_National_Academy_Sciences_USA.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/1.bp.blogspot.com\/-fwAnEPac-7I\/XsrWUKcJeLI\/AAAAAAAAdFs\/3gX9dgwHYZMX6WN-xGKCNI18zxEQzk9BQCLcBGAsYHQ\/s320\/Proceedings_National_Academy_Sciences_USA.jpg\" width=\"241\" height=\"320\" border=\"0\" data-original-width=\"350\" data-original-height=\"463\" \/><\/a>Minot, S., Bryson, A., Chehoud, C., Wu, G. D., Lewis, J. D., &amp; Bushman, F. D. (2013).<a href=\"https:\/\/www.pnas.org\/content\/pnas\/110\/30\/12450.full.pdf\">\u00a0Rapid evolution of the human gut virome<\/a>.\u00a0<i>Proceedings of the National Academy of Sciences,<\/i>\u00a0110(30), 12450-12455.<\/p>\n<p>Los seres humanos est\u00e1n colonizados por inmensas poblaciones de virus, que seg\u00fan los an\u00e1lisis metagen\u00f3micos son en su mayor\u00eda \u00fanicos para cada individuo.\u00a0<\/p>\n<p>Para investigar el origen y la evoluci\u00f3n del viroma intestinal humano, analizamos la comunidad viral de un individuo adulto de m\u00e1s de 2,5 a\u00f1os mediante una secuenciaci\u00f3n metagen\u00f3mica extremadamente profunda (56.000 millones de bases de secuencia viral purificada de 24 muestras fecales longitudinales). Tras el montaje, se pudieron identificar 478 contigentes bien determinados, que se infiere que corresponden en su mayor\u00eda a genomas de bacteri\u00f3fagos no estudiados anteriormente.\u00a0<\/p>\n<p>El 80% de estos tipos persistieron durante todo el per\u00edodo de duraci\u00f3n del estudio de 2,5 a\u00f1os, lo que indica una estabilidad global a largo plazo. Los mecanismos de sustituci\u00f3n de bases, las tasas de acumulaci\u00f3n y el grado de variaci\u00f3n variaron entre los tipos de virus. Los fagos templados mostraron tasas de mutaci\u00f3n relativamente m\u00e1s bajas, consistentes con la replicaci\u00f3n por polimerasas de ADN bacteriano precisas en el estado de profec\u00eda integrada. En cambio, los Microviridae, que son bacteri\u00f3fagos l\u00edticos con genomas circulares de ADN de una sola hebra, mostraron altas tasas de sustituci\u00f3n (&gt;10(-5) por nucle\u00f3tido cada d\u00eda), de modo que la divergencia de la secuencia en el per\u00edodo de 2,5 a\u00f1os estudiado se aproxim\u00f3 a valores suficientes para distinguir las nuevas especies virales.\u00a0<\/p>\n<p>Los cambios longitudinales tambi\u00e9n se asociaron a retroelementos generadores de diversidad y a conjuntos de repeticiones palindr\u00f3micas cortas regularmente espaciadas codificadas por virus.\u00a0<\/p>\n<p>Se infiere que la extrema diversidad interpersonal de los virus del intestino humano deriva de dos fuentes, la persistencia de una peque\u00f1a porci\u00f3n del viroma global dentro del intestino de cada individuo y la r\u00e1pida evoluci\u00f3n de algunos miembros del viroma a largo plazo.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Minot, S., Bryson, A., Chehoud, C., Wu, G. D., Lewis, J. D., &amp; Bushman, F. D. (2013).\u00a0Rapid evolution of the human gut virome.\u00a0Proceedings of the National Academy of Sciences,\u00a0110(30), 12450-12455. Los seres humanos est\u00e1n colonizados por inmensas poblaciones de virus, que seg\u00fan los an\u00e1lisis metagen\u00f3micos son en su mayor\u00eda \u00fanicos para cada individuo.\u00a0 Para investigar [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-41363","post","type-post","status-publish","format-standard","hentry","category-naturopatia-descriptiva"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva &quot;Evoluci\u00f3n r\u00e1pida del viroma intestinal humano&quot; -<\/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:\/\/rina.naturopatiadigital.eu\/?p=41363\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva &quot;Evoluci\u00f3n r\u00e1pida del viroma intestinal humano&quot; -\" \/>\n<meta property=\"og:description\" content=\"Minot, S., Bryson, A., Chehoud, C., Wu, G. 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Los seres humanos est\u00e1n colonizados por inmensas poblaciones de virus, que seg\u00fan los an\u00e1lisis metagen\u00f3micos son en su mayor\u00eda \u00fanicos para cada individuo.\u00a0 Para investigar [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rina.naturopatiadigital.eu\/?p=41363\" \/>\n<meta property=\"article:published_time\" content=\"2020-05-25T03:30:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/1.bp.blogspot.com\/-fwAnEPac-7I\/XsrWUKcJeLI\/AAAAAAAAdFs\/3gX9dgwHYZMX6WN-xGKCNI18zxEQzk9BQCLcBGAsYHQ\/s320\/Proceedings_National_Academy_Sciences_USA.jpg\" \/>\n<meta name=\"author\" content=\"admin2\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin2\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" 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