
{"id":83502,"date":"2021-04-19T12:00:09","date_gmt":"2021-04-19T10:00:09","guid":{"rendered":"https:\/\/ibecbarcelona.eu\/?p=83502"},"modified":"2021-04-19T12:17:59","modified_gmt":"2021-04-19T10:17:59","slug":"biofilms-de-pseudomonas-aeruginosa-y-sus-complices-en-el-crimen","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/es\/biofilms-de-pseudomonas-aeruginosa-y-sus-complices-en-el-crimen\/","title":{"rendered":"Biofilms de Pseudomonas aeruginosa y sus c\u00f3mplices en el crimen"},"content":{"rendered":"<p><img decoding=\"async\" class=\"wp-image-83491 alignleft lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-scaled.jpg\" alt=\"\" width=\"477\" height=\"318\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-scaled.jpg 2560w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-300x200.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-1024x683.jpg 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-768x512.jpg 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-1536x1024.jpg 1536w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-2048x1365.jpg 2048w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/close-up-of-male-hand-holding-capsule-s-in-hand-150x100.jpg 150w\" data-sizes=\"(max-width: 477px) 100vw, 477px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 477px; --smush-placeholder-aspect-ratio: 477\/318;\" \/><\/p>\n<p>Comprender las caracter\u00edsticas biol\u00f3gicas de los biofilms, la causa de la mayor\u00eda de las infecciones bacterianas, es el primer paso para luchar contra esta pandemia silenciosa y encontrar tratamientos efectivos.<br \/>\n<span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\"><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">L<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">as infecciones bacterianas son un problema de salud p\u00fablica que afecta a millones de personas en todo el mundo<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\"> y <\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">alrededor del 80% est\u00e1 asociad<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">o<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\"> a <\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2 SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">biofilms<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">, comunidades formadas por diferentes especies de microorganismos que <\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2 SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">co-colonizan<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\"> tejidos humanos y dispositivos m\u00e9dicos. Debido a varias caracter\u00edsticas biol\u00f3gicas, l<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">os <\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2 SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">biofilms<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\"> son mucho m\u00e1s recalcitrantes que las infecciones bacterianas aisladas y necesitan per\u00edodos m\u00e1s prolongados y dosis m\u00e1s altas de antibi\u00f3ticos para ser tratad<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">o<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\">s. Esta situaci\u00f3n contribuye a incrementar la resistencia global a los antibi\u00f3ticos que estamos observando hoy en d\u00eda en<\/span><\/span><span class=\"TextRun SCXW6192165 BCX2\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW6192165 BCX2\" data-ccp-parastyle=\"No Spacing\"> el \u00e1mbito hospitalario<\/span><\/span><\/span><\/p>\n<p><span data-contrast=\"auto\">En este contexto,\u00a0<\/span><i><span data-contrast=\"auto\">Pseudomonas <\/span><\/i><i><span data-contrast=\"auto\">aeruginosa<\/span><\/i><span data-contrast=\"auto\"> es una bacteria que puede coexistir e interactuar con una amplia gama de microorganismos en <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> provocando numerosas infecciones de alto impacto cl\u00ednico y que a menudo conducen a infecciones cr\u00f3nicas. Ahora, Eduard Torrent, l\u00edder del grupo \u201c<\/span><a href=\"https:\/\/ibecbarcelona.eu\/bactinf\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">Infecciones bacterianas: terapias antimicrobianas<\/span><\/a><span data-contrast=\"auto\">\u201d del IBEC <\/span><span data-contrast=\"auto\">y <\/span><span data-contrast=\"auto\">profesor del Departamento de Gen\u00e9tica, Microbiolog\u00eda y Estad\u00edstica de la Facultad de Biolog\u00eda de la <\/span><span data-contrast=\"auto\">Universidad de Barcelona (UB)<\/span><span data-contrast=\"auto\">,<\/span> <span data-contrast=\"auto\">y <\/span><span data-contrast=\"auto\">Maria<\/span><span data-contrast=\"auto\"> del Mar Cendra, investigadora postdoctoral en su laboratorio, publican en <\/span><span data-contrast=\"auto\">la revista <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0734975021000409\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">Biotechnology<\/span> <span data-contrast=\"none\">Advances<\/span><\/a><span data-contrast=\"auto\">, una revisi\u00f3n <\/span><span data-contrast=\"auto\">completa<\/span><span data-contrast=\"auto\"> que describe aspectos clave de l<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> de <\/span><em>P. aeruginosa<\/em><span data-contrast=\"auto\">, incluyendo las principales especies de microorganismos que pueden coexistir y <\/span><span data-contrast=\"auto\">el impacto negativo que pueden tener en la cl\u00ednica.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><em><strong>Biofilms de <\/strong><\/em><em><strong>P. aeruginosa<br \/>\n<\/strong><\/em><\/h2>\n<p><span data-contrast=\"auto\">La <\/span><span data-contrast=\"auto\">gran<\/span><span data-contrast=\"auto\"> capacidad de <\/span><em>P. aeruginosa<\/em><span data-contrast=\"auto\"> para crecer en <\/span><span data-contrast=\"auto\">biofilms<\/span> <span data-contrast=\"auto\">con hongos, virus y otras bacterias (casi nunca se encuentra infectando sola) y para colonizar dispositivos m\u00e9dicos y tejidos humanos es un creciente problema de salud p\u00fablica mundial. Es<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> tienen una mayor tolerancia a los antibi\u00f3ticos y <\/span><span data-contrast=\"auto\">mayor <\/span><span data-contrast=\"auto\">resistencia a las respuestas de defensa del hu\u00e9s<\/span><span data-contrast=\"auto\">ped<\/span><span data-contrast=\"auto\">. En esta revisi\u00f3n, los investigadores descifran la implicaci\u00f3n de <\/span><em>P. aeruginosa<\/em> <span data-contrast=\"auto\">en l<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> y <\/span><span data-contrast=\"auto\">abren las puertas <\/span><span data-contrast=\"auto\">a<\/span><span data-contrast=\"auto\"> encontrar soluciones <\/span><span data-contrast=\"auto\">en un futuro pr\u00f3ximo.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<blockquote><p><strong><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">Solo con el desarrollo continuo y estrategias eficaces <\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">frente a los <\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">biofilms<\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"> podemos abordar la recurrencia y la cronicidad causadas por las infecciones<\/span> <span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">de<\/span> <span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">biofilm<\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">s<\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"> de P. <\/span><span lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\">aeruginosa<\/span>.\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>Eduard Torrents, l\u00edder del grupo \u201cInfecciones bacterianas: terapias antimicrobianas\u201d del IBEC y profesor de la UB.\u00a0<\/strong><\/p>\n<\/blockquote>\n<p><em>P.aeruginosa<\/em><span data-contrast=\"auto\"> interact\u00faa con muchos virus respiratorios en infecciones cr\u00f3nicas, incluido el SARS-CoV-2, el agente causal de la pandemia de COVID-19. Estudios de otros investigadores han demostrado que el 7% de los pacientes hospitalizados infectados con SARS-CoV-2 padec\u00edan coinfecci\u00f3n bacteriana, <\/span><i><span data-contrast=\"auto\">P. <\/span><\/i><i><span data-contrast=\"auto\">aeruginosa<\/span><\/i> <span data-contrast=\"auto\">estando presente en <\/span><span data-contrast=\"auto\">el 12% de <\/span><span data-contrast=\"auto\">ellos<\/span><span data-contrast=\"auto\">. Adem\u00e1s, <\/span><em>P. aeruginosa<\/em><span data-contrast=\"auto\"> puede colonizar dispositivos m\u00e9dicos como los tubos endotraqueales, utilizados en pacientes con COVID-19 que necesitan respiraci\u00f3n asistida. Se ha encontrado formaci\u00f3n de <\/span><span data-contrast=\"auto\">biofilm <\/span><span data-contrast=\"auto\">en el 95% de los pacientes intubados durante m\u00e1s de 24 h. Este tipo de <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\">, en l<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">s que <\/span><em>P. aeruginosa<\/em><span data-contrast=\"auto\"> es el principal agente causal, son perdurables y pueden permanecer a pesar del tratamiento con antibi\u00f3ticos, lo que aumenta el riesgo de infecciones respiratorias.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><em>P. aeruginosa<\/em><span data-contrast=\"auto\">, junto con <\/span><span data-contrast=\"auto\">las bacterias <\/span><em>Staphylococcus aureus<\/em><span data-contrast=\"auto\"> y <\/span><em>Streptococcus<\/em><span data-contrast=\"auto\">, tambi\u00e9n juega un papel protag<\/span><span data-contrast=\"auto\">onista<\/span><span data-contrast=\"auto\"> en las infecciones por <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> asociadas a la fibrosis qu\u00edstica (40-60% del total), un trastorno gen\u00e9tico que afecta principalmente a los pulmones, pero tambi\u00e9n al p\u00e1ncreas<\/span><span data-contrast=\"auto\">,<\/span><span data-contrast=\"auto\"> h\u00edgado, ri\u00f1ones e intestino. <\/span><span data-contrast=\"auto\">Adem\u00e1s, t<\/span><span data-contrast=\"auto\">ambi\u00e9n es un pat\u00f3geno relevante en infecciones cr\u00f3nicas de heridas y lesiones cut\u00e1neas, y en queratitis, una infecci\u00f3n corneal com\u00fan relacionada con la formaci\u00f3n de <\/span><span data-contrast=\"auto\">biofilms<\/span> <span data-contrast=\"auto\">bacterian<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">s sobre lent<\/span><span data-contrast=\"auto\">illas<\/span><span data-contrast=\"auto\"> de contacto.<\/span><\/p>\n<figure id=\"attachment_83490\" aria-describedby=\"caption-attachment-83490\" style=\"width: 677px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-83490 lazyload\" data-src=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm.jpg\" alt=\"\" width=\"687\" height=\"537\" data-srcset=\"https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm.jpg 1029w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm-300x234.jpg 300w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm-1024x800.jpg 1024w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm-768x600.jpg 768w, https:\/\/ibecbarcelona.eu\/wp-content\/uploads\/2021\/04\/esquema-paper-biofilm-150x117.jpg 150w\" data-sizes=\"(max-width: 687px) 100vw, 687px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 687px; --smush-placeholder-aspect-ratio: 687\/537;\" \/><figcaption id=\"caption-attachment-83490\" class=\"wp-caption-text\">Fig 1<\/figcaption><\/figure>\n<h6><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\"> Fig 1: Principales caracter\u00edsticas de los biofilms de P. aeruginosa y sus respectivas consecuencias en la progresi\u00f3n de infecci\u00f3nes.<\/span><\/h6>\n<h2><strong>Todos para uno y uno para to<\/strong><strong>dos<br \/>\n<\/strong><\/h2>\n<p><span data-contrast=\"auto\">L<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> bacterian<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">s est\u00e1n formad<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">s por diferentes especies que colonizan y crecen juntas en los tejidos humanos, provocando infecciones en el tracto urinario, pulm\u00f3n y ri\u00f1\u00f3n entre otr<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">s, <\/span><span data-contrast=\"auto\">y en superficies de dispositivos m\u00e9dicos, como pr\u00f3tesis articulares, v\u00e1lvulas card\u00edacas y marcapasos, implantes dentales y mamarios, suturas y cat\u00e9teres. Esta amplia presencia da una idea del impacto de gran alcance de<\/span><span data-contrast=\"auto\"> los<\/span> <span data-contrast=\"auto\">biofilm<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> en <\/span><span data-contrast=\"auto\">el \u00e1mbito cl\u00ednico<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">El estilo de vida gregario en el que las bacterias se protegen entre s\u00ed hace que sea extremadamente dif\u00edcil luchar contra l<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> con los enfoques cl\u00e1sicos utilizados <\/span><span data-contrast=\"auto\">contra<\/span><span data-contrast=\"auto\"> las infecciones bacterianas individuales. Las bacterias producen sustancias extracelulares que act\u00faan como soporte y protecci\u00f3n para toda la comunidad. Tambi\u00e9n tienen la capacidad de comunicarse entre ell<\/span><span data-contrast=\"auto\">a<\/span><span data-contrast=\"auto\">s mediante un complejo sistema qu\u00edmico conocido como <\/span><span data-contrast=\"auto\">\u201cquorum <\/span><span data-contrast=\"auto\">sensing<\/span><span data-contrast=\"auto\">\u201d<\/span><span data-contrast=\"auto\"> para regular de manera coordinada el crecimiento y el establecimiento de<\/span><span data-contrast=\"auto\">l biofilm.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">En conjunto, las caracter\u00edsticas de l<\/span><span data-contrast=\"auto\">os <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> l<\/span><span data-contrast=\"auto\">e<\/span><span data-contrast=\"auto\">s hacen m\u00e1s resistentes a los antibi\u00f3ticos<\/span><span data-contrast=\"auto\">, a <\/span><span data-contrast=\"auto\">las tensiones externas y a las respuestas de defensa del paciente. En algunos casos, para tratar eficazmente una infecci\u00f3n por biofilm bacteriano, la dosis de antibi\u00f3tico utilizada debe multiplicarse por 1000 en comparaci\u00f3n con una infecci\u00f3n<\/span><span data-contrast=\"auto\"> simple<\/span><span data-contrast=\"auto\">, una concentraci\u00f3n dif\u00edcil de alcanzar en pacientes sin causar toxicidad. La mayor\u00eda de las veces, las infecciones por <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> solo pueden tratarse mediante su eliminaci\u00f3n, lo que l<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\"> hace a menudo inasequible y conduce a <\/span><span data-contrast=\"auto\">un desgaste mental en <\/span><span data-contrast=\"auto\">los pacientes. Adem\u00e1s, las infecciones causadas<\/span><span data-contrast=\"auto\"> simult\u00e1neamente<\/span><span data-contrast=\"auto\"> por <\/span><span data-contrast=\"auto\">diferentes especies <\/span><span data-contrast=\"auto\">a menudo se asocian con un peor pron\u00f3stico.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<h2><strong>Medidas actuales y futuras para luchar contra los biofilms bacterianos\u00a0<\/strong><\/h2>\n<p><span data-contrast=\"auto\">La complejidad <\/span><span data-contrast=\"auto\">para tratar<\/span><span data-contrast=\"auto\"> la<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> infecci<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">n<\/span><span data-contrast=\"auto\">es<\/span> <span data-contrast=\"auto\">por <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> bacterian<\/span><span data-contrast=\"auto\">os<\/span><span data-contrast=\"auto\"> con antibi\u00f3ticos y la aparici\u00f3n de resistencia<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> llev\u00f3 al uso de nuevos enfoques antimicrobianos con el objetivo de inhibir la adhesi\u00f3n de la<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> bacteria<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> a la<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\"> superficie<\/span><span data-contrast=\"auto\">s<\/span><span data-contrast=\"auto\">, <\/span><span data-contrast=\"auto\">desagregar<\/span><span data-contrast=\"auto\"> y dispersar<\/span><span data-contrast=\"auto\">las. Estos <\/span><span data-contrast=\"auto\">inhiben la producci\u00f3n de ciertos componentes que promueven la formaci\u00f3n de <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> y aumentan la difusi\u00f3n de antibi\u00f3ticos dentro de<\/span><span data-contrast=\"auto\"> los mismos.<\/span><span data-contrast=\"auto\"> Por ejemplo, el uso de inhibidores de detecci\u00f3n de <\/span><span data-contrast=\"auto\">\u201c<\/span><span data-contrast=\"auto\">qu<\/span><span data-contrast=\"auto\">o<\/span><span data-contrast=\"auto\">rum<\/span> <span data-contrast=\"auto\">sensing<\/span><span data-contrast=\"auto\">\u201d<\/span><span data-contrast=\"auto\">, compuestos que degradan <\/span><span data-contrast=\"auto\">el biofilm<\/span><span data-contrast=\"auto\"> y p\u00e9ptidos antimicrobianos dirigidos a mol\u00e9culas espec\u00edficas de <\/span><em>P. aeruginosa<\/em><span data-contrast=\"auto\"> son las estrategias m\u00e1s utilizadas. Los sistemas de <\/span><span data-contrast=\"auto\">administraci\u00f3n de <\/span><span data-contrast=\"auto\">f\u00e1rmacos <\/span><span data-contrast=\"auto\">obtenidos por <\/span><span data-contrast=\"auto\">bioingenier\u00eda son una buena alternativa para liberar agentes terap\u00e9uticos dentro de<\/span><span data-contrast=\"auto\">l biofilm<\/span><span data-contrast=\"auto\">, aumentando la especificidad y reduciendo la toxicidad para el paciente.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Hist\u00f3ricamente, las infecciones bacterianas se han estudiado <\/span><em>in vitro<\/em><span data-contrast=\"auto\"> utilizando especies individuales, sin tener en cuenta <\/span><span data-contrast=\"auto\">los <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\">. Sin embargo, ahora sabemos que <\/span><span data-contrast=\"auto\">los <\/span><span data-contrast=\"auto\">biofilms<\/span><span data-contrast=\"auto\"> son <\/span><span data-contrast=\"auto\">la principal forma de <\/span><span data-contrast=\"auto\">crecimiento bacteriano en la naturaleza y la causa de la mayor\u00eda de las infecciones bacterianas humanas. <\/span><i><span data-contrast=\"auto\">\u201c<\/span><\/i><em>El verdadero desaf\u00edo ahora es recrear modelos en el laboratorio capaces de reproducir las caracter\u00edsticas biol\u00f3gicas y fisiol\u00f3gicas de los biofilms bacterianos<\/em><i><span data-contrast=\"auto\">\u201d<\/span><\/i><span data-contrast=\"auto\">, concluye <\/span><span data-contrast=\"auto\">Maria<\/span><span data-contrast=\"auto\"> del Mar Cendra, primera autora del trabajo.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Art\u00edculo de referencia:<\/strong> <span data-contrast=\"auto\">Maria<\/span><span data-contrast=\"auto\"> del Mar Cendra and Eduard Torrents. <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0734975021000409\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">Pseudomonas aeruginosa biofilms and their partners in crime<\/span><\/a><span data-contrast=\"auto\">. Biotechnology Advances (2021), 49, article 107734.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<h3>Una revisi\u00f3n exhaustiva dirigida por investigadores del IBEC del grupo \u201cInfecciones bacterianas: terapias antimicrobianas\u201d destaca la relevancia cl\u00ednica de la bacteria Pseudomonas aeruginosa y su presencia en biofilms bacterianos.<\/h3>\n","protected":false},"author":4,"featured_media":83496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[1142],"post_formats":[],"class_list":["post-83502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias-de-investigacion","tag-eduard-torrents-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Biofilms de Pseudomonas aeruginosa y sus c\u00f3mplices en el crimen - Institute for Bioengineering of Catalonia<\/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:\/\/ibecbarcelona.eu\/es\/biofilms-de-pseudomonas-aeruginosa-y-sus-complices-en-el-crimen\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta 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