{"id":200581,"date":"2026-03-17T12:28:31","date_gmt":"2026-03-17T11:28:31","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/el-asteroide-ryugu-contiene-cinco-componentes-esenciales-de-la-vida-en-la-tierra\/"},"modified":"2026-03-17T12:28:31","modified_gmt":"2026-03-17T11:28:31","slug":"el-asteroide-ryugu-contiene-cinco-componentes-esenciales-de-la-vida-en-la-tierra","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/el-asteroide-ryugu-contiene-cinco-componentes-esenciales-de-la-vida-en-la-tierra\/","title":{"rendered":"El asteroide Ryugu contiene cinco componentes esenciales de la vida en la Tierra"},"content":{"rendered":"

Un equipo de cient\u00edficos japon\u00e9s ha encontrado adenina, guanina, citosina, timina y uracilo en el asteroide Ryugu, es decir, las cinco nucleobases o mol\u00e9culas org\u00e1nicas presentes en el ADN y el ARN terrestres.<\/p>\n

Las nucleobases son componentes esenciales del ADN y el ARN, los ‘ladrillos’ sobre los que se sustenta la vida en la Tierra. Encontrarlas en material extraterrestre ayuda a los cient\u00edficos a entender c\u00f3mo se forman estos compuestos en ausencia de vida y c\u00f3mo se transportan por el Sistema Solar.<\/p>\n

Para hacer el estudio, el equipo, liderado por cient\u00edficos de la Agencia Japonesa para la Ciencia y la Tecnolog\u00eda Maritimo-Terrestre (JAMSTEC), analiz\u00f3 las muestras de Ryugu y las compar\u00f3 con el material encontrado en otros asteroides. Los resultados se han publicado este lunes en\u00a0Nature Astronomy.\u00a0<\/p>\n


\n \"Detectan
\n <\/a><\/p>\n

<\/a><\/p>\n

Detectan un planeta con caracter\u00edsticas qu\u00edmicas y geol\u00f3gicas in\u00e9ditas en la V\u00eda L\u00e1ctea<\/h3>\n

<\/p>\n

EFE<\/p>\n

<\/a><\/p>\n

Hist\u00f3rias qu\u00edmicas diferentes<\/h2>\n

Primero analizaron las dos muestras de Ryugu recolectadas por la misi\u00f3n Hayabusa 2 y detectaron las cinco nucleobases can\u00f3nicas \u2014adenina, guanina, citosina, timina y uracilo\u2014 en ambas muestras.\u00a0<\/p>\n

Despu\u00e9s, compararon los resultados con los de los meteoritos Murchison y Orgueil y con las muestras del asteroide Bennu y hallaron diferencias significativas en las abundancias relativas de las nucleobases.\u00a0<\/p>\n

Ryugu contiene cantidades aproximadamente comparables de nucleobases de\u00a0purina y nucleobases de\u00a0pirimidina<\/p>\n

Ryugu contiene cantidades aproximadamente comparables de nucleobases de purina (adenina y guanina) y nucleobases de pirimidina (citosina, timina y uracilo), mientras que Murchison tiene m\u00e1s nucleobases de purina y las muestras de Bennu y Orgueil son m\u00e1s ricas en nucleobases de pirimidina.<\/p>\n

<\/a><\/p>\n

Presentes en el\u00a0Sistema Solar<\/h2>\n

Para los autores, estos resultados reflejan las diferentes\u00a0historias qu\u00edmicas,\u00a0ambientales\u00a0y\u00a0evolutivas\u00a0de sus respectivos cuerpos parentales.<\/p>\n

Encontrar estas nucleobases en materiales de asteroides y meteoritos, a pesar de sus diferencias qu\u00edmicas, \u201cdemuestra su presencia generalizada en todo el Sistema Solar y refuerza la hip\u00f3tesis de que los asteroides carbon\u00e1ceos contribuyeron al inventario qu\u00edmico prebi\u00f3tico de la Tierra primitiva\u201d, escriben los autores.\u00a0<\/p>\n

Los resultados muestran diferentes\u00a0historias qu\u00edmicas,\u00a0ambientales\u00a0y\u00a0evolutivas\u00a0de sus respectivos cuerpos parentales<\/p>\n

Para el astrobi\u00f3logo y profesor de Bioqu\u00edmica en la Universidad de Alcal\u00e1,\u00a0C\u00e9sar Menor, ajeno al estudio, aunque las conclusiones del trabajo no son \u201csorprendentes ni novedosas\u201d, son \u201cconsistentes\u201d con todo lo que se sab\u00eda y se hab\u00eda visto anteriormente, explica en declaraciones a la plataforma de recursos SMC.<\/p>\n

\u201cEstos resultados son consistentes con lo que nosotros mismos hemos visto en Ryugu y en meteoritos del tipo condrita carbon\u00e1cea, y es consistente con todo lo que se ha estudiado ya en trabajos previos. Esta consistencia es muy importante en ciencia\u201d.<\/p>\n

Referencia:\u00a0<\/p>\n

Koga, T. et al. A complete set of canonical nucleobases in the carbonaceous asteroid (162173) Ryugu. Nature Astronomy<\/a>. 2026<\/p>","protected":false},"excerpt":{"rendered":"

Un equipo de cient\u00edficos japon\u00e9s ha encontrado adenina, guanina, citosina, timina y uracilo en el asteroide Ryugu, es decir, las cinco nucleobases o mol\u00e9culas org\u00e1nicas presentes en el ADN y el ARN terrestres. Las nucleobases son componentes esenciales del ADN y el ARN, los ‘ladrillos’ sobre los que se sustenta la vida en la Tierra. […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","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":"","ast-disable-related-posts":"","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-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-200581","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nEl asteroide Ryugu contiene cinco componentes esenciales de la vida en la Tierra - bip4ex<\/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:\/\/helloproject.es\/vigilancia\/el-asteroide-ryugu-contiene-cinco-componentes-esenciales-de-la-vida-en-la-tierra\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El asteroide Ryugu contiene cinco componentes esenciales de la vida en la Tierra\" \/>\n<meta property=\"og:description\" content=\"Un equipo de cient\u00edficos japon\u00e9s ha encontrado adenina, guanina, citosina, timina y uracilo en el asteroide Ryugu, es decir, las cinco nucleobases o mol\u00e9culas org\u00e1nicas presentes en el ADN y el ARN terrestres. Las nucleobases son componentes esenciales del ADN y el ARN, los ‘ladrillos’ sobre los que se sustenta la vida en la Tierra. 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Las nucleobases son componentes esenciales del ADN y el ARN, los ‘ladrillos’ sobre los que se sustenta la vida en la Tierra. 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