{"id":5193594,"date":"2011-11-27T20:19:52","date_gmt":"2011-11-27T18:19:52","guid":{"rendered":"https:\/\/www.ozono21.com\/blog\/?p=5193594"},"modified":"2026-01-23T22:34:24","modified_gmt":"2026-01-23T20:34:24","slug":"bacterias-son-resistentes-a-los-antibioticos","status":"publish","type":"post","link":"https:\/\/www.ozono21.com\/blog\/bacterias\/bacterias-son-resistentes-a-los-antibioticos\/","title":{"rendered":"Las bacterias son resistentes a los antibi\u00f3ticos desde hace 30.000 a\u00f1os"},"content":{"rendered":"<p style=\"text-align: justify;\">\n<h2 style=\"text-align: justify;\"><strong><img loading=\"lazy\" decoding=\"async\" style=\"margin: 35px 5px 15px 0px; cursor: hand; border: 0px;\"   title=\"Las bacterias son resistentes a los antibi\u00f3ticos desde hace 30.000 a\u00f1os\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2011\/11\/BACTERIAS_1.jpg\" alt=\" bacterias son resistentes a los antibi\u00f3ticos  \" width=\"231\" height=\"151\" class=\"alignright\"  \/><a title=\"Ozono es Bactericida\" rel=\"https:\/\/www.ozono21.com\/sectores-pagina\/empresariales\/desinfeccion-limpieza\/3\/ noopener noreferrer\" href=\"https:\/\/www.ozono21.com\/sectores-pagina\/empresariales\/desinfeccion-limpieza\/3\/\" target=\"_blank\">Las bacterias son resistentes a los antibi\u00f3ticos desde hace 30.000 a\u00f1os <\/p>\n<p>Los cient\u00edficos quedaron sorprendidos al ver la rapidez con la que las bacterias se hac\u00edan resistentes a los antibi\u00f3ticos cuando estos fueron desarrollados hace menos de un siglo.<\/a><\/strong><\/h2>\n<p><\/P><\/p>\n<p style=\"text-align: justify;\">Ahora, investigadores de la Universidad McMaster (Canad\u00e1) han descubierto que esta resistencia ya exist\u00eda hace al menos 30.000 a\u00f1os.<\/P><\/p>\n<p>Fuente: noticiasdelaciencia.com (1 Sep 2011)<\/p>\n<p style=\"text-align: justify;\">\u201cSe considera que la resistencia antibi\u00f3tica es un problema actual y que los antibi\u00f3ticos est\u00e1n perdiendo efectividad debido a la propagaci\u00f3n de la resistencia en los hospitales\u201d, explica Gerry Wright, director cient\u00edfico del Instituto Michael G. DeGroote de Investigaci\u00f3n sobre Enfermedades Infecciosas de Canad\u00e1 y uno de los autores principales del estudio.<strong>\u201cLa pregunta m\u00e1s importante es de d\u00f3nde viene esta resistencia\u201d.<\/strong><\/P><\/p>\n<p style=\"text-align: justify;\">Los resultados de un nuevo estudio publicado en la <strong>revista Nature<\/strong> muestran que <strong>la resistencia es un fen\u00f3meno natural anterior al uso cl\u00ednico de los antibi\u00f3ticos.<\/strong> Los cient\u00edficos descubrieron la existencia de genes resistentes a los antibi\u00f3ticos junto a genes que codificaban ADN de antiguas formas de vida como el mamut, el caballo, el bisonte y plantas del \u00faltimo periodo interglaciar, en el Pleistoceno, hace al menos 30.000 a\u00f1os.<\/P><\/p>\n<p style=\"text-align: justify;\">Despu\u00e9s de a\u00f1os estudiando el ADN bacteriano extra\u00eddo de suelo congelado en el permafrost de Yuk\u00f3n, los expertos del Centro de ADN Antiguo de la Universidad de McMaster (Canad\u00e1) se centraron en la resistencia a la vancomicina, un grave problema cl\u00ednico que surgi\u00f3 en la d\u00e9cada de 1980 y que sigue asoci\u00e1ndose con brotes de infecciones contra\u00eddas en hospitales en todo el mundo.<\/P><\/p>\n<p style=\"text-align: justify;\">\u201cIdentificamos la presencia de estos genes a unas profundidades que coinciden con la edad de otros ADN, como el del mamut\u201d, afirman los autores, que demostraron que, si bien no eran contempor\u00e1neos, formaban parte del mismo \u00e1rbol geneal\u00f3gico. Se trata de la segunda vez que se ha \u2018resucitado\u2019 una antigua prote\u00edna en un laboratorio.<\/P><\/p>\n<p style=\"text-align: justify;\"><big><strong><a title=\"Ozono21 Bactericida\" href=\"https:\/\/www.ozono21.com\/sectores-pagina\/empresariales\/desinfeccion-limpieza\/3\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wright cree que este avance tendr\u00e1 importantes repercusiones y que abre el camino para la investigaci\u00f3n de la resistencia antibi\u00f3tica m\u00e1s remota. \u201cLos antibi\u00f3ticos son parte de la ecolog\u00eda natural del planeta, y tenemos que ser extremadamente cuidadosos en la forma de usarlos. Los microorganismos han descubierto una forma de burlarlos mucho antes de que incluso sepamos c\u00f3mo aprovecharlos\u201d, subraya Wright. (Fuente: SINC)<\/a><\/strong><\/big><\/P><\/p>\n<p><P><\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Actualidad ACCION del OZONO\" href=\"https:\/\/www.ozono21.com\/actualidad-interna\/accion-del-ozono\/423\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Noticias-Relacionadas.png\" alt=\"Actualidad ACCION del OZONO\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><big><\/p>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"150\" height=\"150\" align=\"center\"><a title=\"BACTERIAS RESISTENTES\" href=\"https:\/\/www.ozono21.com\/blog\/?s=BACTERIAS+RESISTENTES\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\"  src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2012\/04\/tuberculosis_body.gif\" alt=\" BACTERIAS RESISTENTES A CASI TODOS LOS ANTIBI\u00d3TICOS\"  width=\"145\" height=\"145\" border=\"0\" \/><\/a><\/td>\n<td width=\"300\" height=\"150\" style=\"text-align: left; vertical-align: middle;\"><strong><a title=\"BACTERIAS RESISTENTES\" href=\"https:\/\/www.ozono21.com\/blog\/?s=BACTERIAS RESISTENTES\" target=\"_blank\" rel=\"noopener noreferrer\">BACTERIAS RESISTENTES<\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/big><\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Videos YouTube\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/user\/ozono21\/videos?sort=p&amp;view=0&amp;flow=grid\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Videos-Youtube.png\" alt=\"Videos Youtube\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/IoHUXIzUHRA\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5193594\" class=\"pvc_stats total_only  \" data-element-id=\"5193594\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Las bacterias son resistentes a los antibi\u00f3ticos desde hace 30.000 a\u00f1os Los cient\u00edficos quedaron sorprendidos al ver la rapidez con la que las bacterias se hac\u00edan resistentes a los antibi\u00f3ticos cuando estos fueron desarrollados hace menos de un siglo. Ahora, &hellip; <a href=\"https:\/\/www.ozono21.com\/blog\/bacterias\/bacterias-son-resistentes-a-los-antibioticos\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_5193594\" class=\"pvc_stats total_only  \" data-element-id=\"5193594\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":5193595,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5,13,7],"tags":[19,21,81],"class_list":["post-5193594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bacterias","category-medioambiente","category-salud","tag-bacterias-2","tag-salud-2","tag-sociedad"],"a3_pvc":{"activated":true,"total_views":3055,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bacterias son resistentes a los antibi\u00f3ticos<\/title>\n<meta name=\"description\" content=\"Bacterias son resistentes a los antibi\u00f3ticos desde\u00a030.000 a\u00f1os. 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