{"id":1455,"date":"2021-11-19T09:40:05","date_gmt":"2021-11-19T12:40:05","guid":{"rendered":"https:\/\/ingenieriabiologicaymedica.uc.cl\/?p=1455"},"modified":"2025-02-04T09:47:14","modified_gmt":"2025-02-04T12:47:14","slug":"identifican-enzimas-come-plasticos-en-oceanos-antarticos","status":"publish","type":"post","link":"https:\/\/ingenieriabiologicaymedica.uc.cl\/en\/identifican-enzimas-come-plasticos-en-oceanos-antarticos\/","title":{"rendered":"Identifican enzimas \u201cCome pl\u00e1sticos\u201d en Oc\u00e9anos Ant\u00e1rticos"},"content":{"rendered":"<div id=\"pl-1455\"  class=\"panel-layout\" ><div id=\"pg-1455-0\"  class=\"container\" ><div class=\"row panel-row-style panel-row-style-for-1455-0\" ><div id=\"pgc-1455-0-0\" ><div id=\"panel-1455-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><strong>-Investigadores UC buscan reducir la acumulaci\u00f3n de estos residuos, que se han desplazado a trav\u00e9s de las corrientes marinas a lugares remotos como la Ant\u00e1rtica.\u00a0<\/strong><\/p>\n<p>Un equipo de investigadores del Instituto de Ingenier\u00eda Biol\u00f3gica y Medica de la Universidad Cat\u00f3lica (UC), en colaboraci\u00f3n con la Universidad de Leipzig de Alemania, identific\u00f3 una variedad de\u00a0enzimas ant\u00e1rticas que pueden degradar el pl\u00e1stico a temperatura ambiente.<\/p>\n<p>La mayor\u00eda de los productos de consumo diario, como botellas y otros empaques de alimentos, contiene tereftalato de polietileno (PET). Este es un pl\u00e1stico que se ha acumulado como desecho en vertederos y oc\u00e9anos, debido a su gran estabilidad en el tiempo frente a la degradaci\u00f3n y a un hist\u00f3rico mal manejo de estos contaminantes.<\/p>\n<p>\u201cUna soluci\u00f3n prometedora para resolver el problema de la acumulaci\u00f3n de este pl\u00e1stico como desecho, es la biodegradaci\u00f3n enzim\u00e1tica del PET, la cual permite reducir este pol\u00edmero a productos que pueden ser reutilizados para la s\u00edntesis de pl\u00e1stico virgen\u201d, se\u00f1al\u00f3 el acad\u00e9mico\u00a0C\u00e9sar Ram\u00edrez, quien tambi\u00e9n es investigador adjunto del Instituto Milenio de Biolog\u00eda Integrativa (iBio).<\/p>\n<p>Recientemente, agreg\u00f3, el grupo de investigaci\u00f3n UC identific\u00f3 y caracteriz\u00f3 una enzima proveniente de un compost vegetal en Alemania, la cual constituye una de las enzimas con mayor eficiencia de degradaci\u00f3n de PET a 70 \u00baC, sin requerir de un tratamiento previo del pl\u00e1stico.<\/p>\n<p>\u201cConsiderando que los desechos pl\u00e1sticos se han desplazado a ambientes fr\u00edos como la Ant\u00e1rtica a trav\u00e9s de las corrientes marinas, decidimos buscar enzimas en organismos que habitan esta regi\u00f3n y que pudiesen degradar este pl\u00e1stico a temperatura ambiente\u201d, adelant\u00f3 el investigador.<\/p>\n<p>El resultado de este trabajo, en conjunto con el grupo de investigaci\u00f3n de la Dra. Beatriz D\u00edez de la Facultad de Ciencias Biol\u00f3gicas UC, fue la identificaci\u00f3n y caracterizaci\u00f3n de una enzima que degrada el PET a 25 \u00baC, con una eficiencia similar a las pocas enzimas que se conoce que degradan este pl\u00e1stico a esta temperatura.<\/p>\n<p>\u201cAdem\u00e1s, una b\u00fasqueda exhaustiva en metagenomas de muestras colectadas en la Ant\u00e1rtica, nos ha permitido identificar una gran cantidad de enzimas con el potencial de romper este pol\u00edmero\u201d, destac\u00f3 el profesor del Instituto de Ingenier\u00eda Biol\u00f3gica y Medica UC.<\/p>\n<p>Para los investigadores, dichos hallazgos contribuyen a aumentar el repertorio de enzimas que degradan PET, que actualmente est\u00e1n siendo consideradas como potenciales biocatalizadores para el reciclaje biol\u00f3gico de residuos pl\u00e1sticos en la industria.<\/p>\n<p>Las estudiantes de Doctorado en Ciencias de la Ingenier\u00eda y de Pregrado en Bioqu\u00edmica UC que participan en este proyecto, Paula Bl\u00e1zquez y Aransa Gri\u00f1en, fueron premiadas recientemente por sus presentaciones de los resultados de este trabajo en dos importantes congresos cient\u00edficos del \u00e1rea: el X Congreso Chileno de Investigaciones Ant\u00e1rticas y la XLIV Reuni\u00f3n Anual de la Sociedad de Bioqu\u00edmica y Biolog\u00eda Molecular de Chile. Adem\u00e1s, uno de los art\u00edculos recientemente publicados fue seleccionado por la revista Applied and Environmental Microbiology para la secci\u00f3n \"Spotlight\", la cual destaca art\u00edculos de investigaci\u00f3n de gran inter\u00e9s.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1458 aligncenter\" src=\"https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-1.png\" alt=\"\" width=\"780\" height=\"380\" srcset=\"https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-1.png 780w, https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-1-300x146.png 300w, https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-1-768x374.png 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1460 aligncenter\" src=\"https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-2.jpg\" alt=\"\" width=\"780\" height=\"380\" srcset=\"https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-2.jpg 780w, https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-2-300x146.jpg 300w, https:\/\/ingenieriabiologicaymedica.uc.cl\/wp-content\/uploads\/2025\/02\/identifican-enzimas-come-plastico-en-oceanos-antarticos-2-768x374.jpg 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>-Investigadores UC buscan reducir la acumulaci\u00f3n de estos residuos, que se han desplazado a trav\u00e9s de las corrientes marinas a lugares remotos como la Ant\u00e1rtica.\u00a0 Un equipo de investigadores del Instituto de Ingenier\u00eda Biol\u00f3gica y Medica de la Universidad Cat\u00f3lica (UC), en colaboraci\u00f3n con la Universidad de Leipzig de Alemania, identific\u00f3 una variedad de\u00a0enzimas ant\u00e1rticas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-1455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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