{"id":251,"date":"2017-02-17T17:14:33","date_gmt":"2017-02-17T16:14:33","guid":{"rendered":"http:\/\/www.tecnoplagas21.es\/blog\/?p=251"},"modified":"2017-02-17T17:14:33","modified_gmt":"2017-02-17T16:14:33","slug":"las-heces-de-un-50-de-las-gaviotas-de-barcelona-tienen-bacterias-multirresistentes-a-antibioticos","status":"publish","type":"post","link":"https:\/\/www.tecnoplagas21.es\/blog\/las-heces-de-un-50-de-las-gaviotas-de-barcelona-tienen-bacterias-multirresistentes-a-antibioticos\/","title":{"rendered":"LAS HECES DE UN 50% DE LAS GAVIOTAS DE BARCELONA TIENEN BACTERIAS MULTIRRESISTENTES A ANTIBI\u00d3TICOS"},"content":{"rendered":"<ul>\n<li><strong>El microorganismo hallado en las aves carro\u00f1eras es el &#8216;e-coli&#8217; que anida en los seres humanos.<\/strong><strong>\u00a0<\/strong><\/li>\n<\/ul>\n<ul>\n<li><strong>Los investigadores estudian si los animales contribuyen a la propagaci\u00f3n de infecciones bacterianas en las personas.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>El\u00a0<strong>50% de las gaviotas<\/strong>\u00a0que sobrevuelan los barrios y las costas de Barcelona contienen en sus heces bacterias<em>\u00a0<\/em><strong><em>Escherichia coli (e-coli)<\/em><\/strong><em>\u00a0<\/em>multirresistentes a los antibi\u00f3ticos con que se tratan\u00a0las infecciones bacterianas en los seres humanos. As\u00ed se demuestra en una investigaci\u00f3n realizada\u00a0entre la\u00a0<strong>Agencia de Salud P\u00fablica de Barcelona (ASPB) y el Instituto de Salud Global (ISGlobal),<\/strong>\u00a0en la que, por primera vez, se ha demostrado la coexistencia de dos de las enzimas -llamadas carbapenemasas- que inducen\u00a0resistencia frente a los antibi\u00f3ticos en\u00a0las bacterias<em>\u00a0<\/em><em>e-coli<\/em>. Este hallazgo\u00a0plantea la posibilidad de que\u00a0<strong>las aves migratorias<\/strong>\u00a0intervengan en la propagaci\u00f3n de genes con resistencia antibi\u00f3tica entre ls personas.<\/p>\n<p>\u00abLa prevalencia de bacterias\u00a0<em>e-coli<\/em>\u00a0multirresistentes en las heces de las gaviotas de Barcelona es\u00a0<strong>mayor<\/strong>\u00a0de la que se pensaba\u00bb, afirma\u00a0<strong>Jordi Vila<\/strong>, coordinador de la investigaci\u00f3n\u00a0y responsable del servicio de Microbiolog\u00eda en el\u00a0<strong>Hospital Cl\u00ednic<\/strong>, de Barcelona. Las dos cepas de enzimas\u00a0halladas en estas aves, indica Vila,\u00a0comparten secuencias de su genoma con otras\u00a0similares detectadas en humanos de diferentes partes del mundo. \u00abEsto subraya el papel de las gaviotas en la diseminaci\u00f3n\u00a0de genes con resistencia antibi\u00f3tica\u00bb, a\u00f1ade el microbi\u00f3logo.<\/p>\n<h3><\/h3>\n<figure id=\"attachment_253\" aria-describedby=\"caption-attachment-253\" style=\"width: 840px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-253\" src=\"https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550775200.jpg\" alt=\"\" width=\"840\" height=\"469\" srcset=\"https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550775200.jpg 1200w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550775200-300x168.jpg 300w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550775200-768x429.jpg 768w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550775200-1024x572.jpg 1024w\" sizes=\"(max-width: 840px) 100vw, 840px\" \/><figcaption id=\"caption-attachment-253\" class=\"wp-caption-text\">BARCELONA 30 10 09 HOTEL VELA gaviotas FOTO ALBERT BERTRAN<\/figcaption><\/figure>\n<p>La proporci\u00f3n de bacterias resistentes a m\u00e1s de tres antibi\u00f3ticos -causa de la multirresistencia- detectada en las personas ha aumentado de forma \u00abalarmante\u00bb en las \u00faltimas d\u00e9cadas en occidente. Esto se debe, fundamentalmente, al uso excesivo,\u00a0abusivo o inadecuado de antibi\u00f3ticos que realizan\u00a0tanto\u00a0los seres humanos como con los animales a su cuidado, que transmiten esa cualidad resistente a los f\u00e1rmacos al consumir su carne. Las heces de gaviotas analizadas hasta ahora en Espa\u00f1a -a las que se suman las de Barcelona- son las que\u00a0<strong>contienen mayor n\u00famero de<\/strong><strong>\u00a0<\/strong><em><strong>e-coli<\/strong><\/em><strong><em>\u00a0<\/em><\/strong>resistentes\u00a0entre las estudiadas en Europa.<\/p>\n<p>&nbsp;<\/p>\n<h6><span style=\"color: #3366ff;\">EN LA ARENA DE PARQUES Y PLAYAS<\/span><\/h6>\n<p>\u00abVamos a\u00a0<strong>investigar si existe un v\u00ednculo<\/strong>\u00a0transmisor entre las heces de gaviota que se mezclan con la\u00a0<strong>arena\u00a0de las playas y parques<\/strong><strong>\u00a0<\/strong>de Barcelona, o\u00a0con el agua del mar, y los ciudadanos que comparten esos \u00e1mbitos -afirma Vila-. Los ni\u00f1os juegan en la\u00a0arena, y los ba\u00f1istas descansan all\u00ed, y es posible que exista esa relaci\u00f3n\u00bb. Un segundo estudio, que preven realizar\u00a0bajo el amparo de la UE, y\u00a0en el\u00a0que participar\u00e1n\u00a0investigadores de\u00a0<strong>Dublin<\/strong>\u00a0(Irlanda) y\u00a0<strong>Holanda, intentar\u00e1 esclarecer\u00a0esa relaci\u00f3n<\/strong>.<\/p>\n<p>Las bacterias\u00a0<em>e-coli<\/em><em>\u00a0<\/em>colonizan de forma habitual el tracto intestinal de las personas, facilitando\u00a0el metabolismo de algunos\u00a0alimentos o la s\u00edntesis de\u00a0vacunas. El riesgo infeccioso se inicia cuando esas bacterias invaden los conductos urinarios,\u00a0en especial, si coinciden en ser resistentes a antibi\u00f3ticos. En esas circunstancias, el tratamiento antiinfeccioso se convierte en un grave\u00a0problema ya que las opciones de dar con f\u00e1rmacos eficaces se reduce dr\u00e1sticamente.<\/p>\n<figure id=\"attachment_254\" aria-describedby=\"caption-attachment-254\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\" wp-image-254\" src=\"https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550835445.jpg\" alt=\"\" width=\"847\" height=\"474\" srcset=\"https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550835445.jpg 1200w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550835445-300x168.jpg 300w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550835445-768x429.jpg 768w, https:\/\/www.tecnoplagas21.es\/blog\/wp-content\/uploads\/2017\/02\/barcelona-gaviotas-1486550835445-1024x572.jpg 1024w\" sizes=\"(max-width: 847px) 100vw, 847px\" \/><figcaption id=\"caption-attachment-254\" class=\"wp-caption-text\">BARCELONA 14 11 2003 SOCIEDAD GAVIOTA QUE SE COME A UNA PALOMA EN EL PARQUE DE LA ESPANYA INDUSTRIAL FOTO DIGITAL DE RICARD CUGAT<\/figcaption><\/figure>\n<h6>AUMENTO ALARMANTE<\/h6>\n<h6><span style=\"color: #3366ff;\">CONTAMINADAS EN VERTEDEROS<\/span><\/h6>\n<p>A juicio del bi\u00f3logo\u00a0<strong>Tom\u00e1s Montalvo<\/strong>, responsable de control zoon\u00f3tico en la ASPB, la presencia de bacterias\u00a0<em>e-coli<\/em>\u00a0multirresistentes en las heces del gaviota<em>\u00a0<\/em><em>arg\u00e9ntea<\/em>\u00a0que habita en Barcelona\u00a0-la que han estudiado-\u00a0se debe al cambio de h\u00e1bitos alimentarios experimentados por las aves que anidan en esta ciudad en los \u00faltimos 20 a\u00f1os. \u00abLas gaviotas siempre se hab\u00edan alimentado de los restos de pescado que lanzaban las barcas al mar -explica Montalvo-. Poco a poco, fueron habitu\u00e1ndose a comer en los vertederos de basura, unos lugares muy insalubres en los que encuentran alimentos en descomposici\u00f3n y restos biol\u00f3gicos que, muchas veces, est\u00e1n contaminados por bacterias e-coli multirresistentes\u00bb. Montalvo sostiene que ah\u00ed se ha producido la contaminaci\u00f3n de las gaviotas.<\/p>\n<p>Barcelona es la ciudad del Mediterr\u00e1neo frecuentada por una mayor cantidad de gaviotas\u00a0con capacidad de crianza, afirma Montalvo, que tambi\u00e9n investiga la evoluci\u00f3n de la cotorra de pecho gris, procedente de Argentina, que ha colonizado en Barcelonay de la que ya se han contabilizado m\u00e1s de 5.000 ejemplares.<\/p>\n<p>Fuente: El Peri\u00f3dico<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El microorganismo hallado en las aves carro\u00f1eras es el &#8216;e-coli&#8217; que anida en los seres humanos.\u00a0 Los investigadores estudian si [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":252,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"","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 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