{"id":2087,"date":"2014-05-28T10:00:19","date_gmt":"2014-05-28T14:00:19","guid":{"rendered":"http:\/\/noticiasdominicanas.com\/?p=2087"},"modified":"2014-05-27T23:39:30","modified_gmt":"2014-05-28T03:39:30","slug":"crean-una-planta-transgenica-para-producir-biocombustibles","status":"publish","type":"post","link":"https:\/\/noticiasdominicanas.com\/?p=2087","title":{"rendered":"Crean una planta transg\u00e9nica para producir biocombustibles"},"content":{"rendered":"<p><strong>Un equipo de investigadores del CSIC, crean una planta transg\u00e9nica que permite obtener con mayor eficacia materiales renovables, como biocombustibles.<\/strong><\/p>\n<div class=\"inTextos\">\n<div style=\"float: left; margin-right: 10px; margin-bottom: 10px;\"><img data-recalc-dims=\"1\" decoding=\"async\" title=\"\" alt=\"\" src=\"https:\/\/i0.wp.com\/www.ecoticias.com\/userfiles\/extra\/thumbs\/306_LBMG_306_FEET_planta.jpg?w=306\"  align=\"left\" \/><\/div>\n<p style=\"text-align: justify;\">La principal fuente de materiales renovables del planeta se encuentra en los materiales lignocelul\u00f3sicos. Estos se componen principalmente de tres pol\u00edmeros estructurales: celulosa, lignina y hemicelulosas. \u201cDesde el punto de vista industrial, la parte m\u00e1s atractiva son los carbohidratos, a partir de los cuales se pueden obtener biocombustibles, pasta de papel y reactivos qu\u00edmicos, entre otros productos\u201d, seg\u00fan explica el investigador del CSIC Jorge Rencoret, del Instituto de Recursos Naturales y Agrobiolog\u00eda de Sevilla. Pero la lignina impide el acceso a los carbohidratos, por lo que es necesario degradarla antes.<\/p>\n<p>La eliminaci\u00f3n de la lignina requiere tratamientos dr\u00e1sticos. Implican grandes cantidades de energ\u00eda y reactivos qu\u00edmicos, por lo que conlleva costes importantes. Una alternativa para reducir estos costes consiste en conseguir plantas transg\u00e9nicas con ligninas m\u00e1s f\u00e1ciles de degradar.<\/p>\n<p>Con ese objetivo, un equipo de investigadores ha manipulado gen\u00e9ticamente con \u00e9xito un h\u00edbrido de chopo (Populus alba x grandidentata) para que sea capaz sintetizar nuevos mon\u00f3meros de lignina (coniferil y sinapil ferulatos), que, al ser incorporados en los pol\u00edmeros, dan lugar a ligninas m\u00e1s f\u00e1ciles de romper y degradar.<\/p>\n<p>La adaptaci\u00f3n de las plantas para que empleen estos nuevos mon\u00f3meros conjugados f\u00e1ciles de degradar es una forma innovadora y prometedora de producir plantas \u00abdise\u00f1adas para la deconstrucci\u00f3n\u00bb. El estudio, dirigido y coordinado por el profesor John Ralph, de la Universidad de Wisconsin-Madison, se ha llevado a cabo con la colaboraci\u00f3n de investigadores del Instituto de Recursos Naturales y Agrobiolog\u00eda del CSIC, y las universidades de Michigan y British Columbia.<\/p>\n<p style=\"text-align: justify;\">\n<p><a href=\"http:\/\/www.csic.es\">www.csic.es<\/a> &#8211; INNOVAticias.com<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un equipo de investigadores del CSIC, crean una planta transg\u00e9nica que permite obtener con mayor eficacia materiales renovables, como biocombustibles.<\/p>\n","protected":false},"author":1,"featured_media":2088,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[20,4,2],"tags":[141,563],"class_list":["post-2087","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-y-tecnologia","category-internacionales","category-portada","tag-ciencias","tag-planta-transgenica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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