{"id":17233,"date":"2025-04-05T20:43:04","date_gmt":"2025-04-05T20:43:04","guid":{"rendered":"https:\/\/cig22.com\/?post_type=datacion&#038;p=17233"},"modified":"2025-09-08T23:27:41","modified_gmt":"2025-09-08T23:27:41","slug":"las-proteinas-en-dinosaurios-tergiversados","status":"publish","type":"datacion","link":"https:\/\/cig22.com\/zh\/datacion\/las-proteinas-en-dinosaurios-tergiversados\/","title":{"rendered":"Las prote\u00ednas en dinosaurios tergiversados"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"17233\" class=\"elementor elementor-17233\" data-elementor-post-type=\"datacion\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1122647 elementor-section-full_width elementor-section-stretched elementor-section-height-default elementor-section-height-default\" data-id=\"1122647\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-69ef7e3\" data-id=\"69ef7e3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f092a15 elementor-widget elementor-widget-image\" data-id=\"f092a15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"707\" height=\"96\" src=\"https:\/\/cig22.com\/wp-content\/uploads\/la-raiz-de-todo-white.png\" class=\"attachment-large size-large wp-image-13942\" alt=\"\" srcset=\"https:\/\/cig22.com\/wp-content\/uploads\/la-raiz-de-todo-white.png 707w, https:\/\/cig22.com\/wp-content\/uploads\/la-raiz-de-todo-white-300x41.png 300w, https:\/\/cig22.com\/wp-content\/uploads\/la-raiz-de-todo-white-600x81.png 600w\" sizes=\"(max-width: 707px) 100vw, 707px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8143e92 elementor-section-full_width elementor-section-stretched elementor-section-height-default elementor-section-height-default\" data-id=\"8143e92\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf5908b\" data-id=\"bf5908b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71f60fb elementor-widget elementor-widget-heading\" data-id=\"71f60fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La tierra no tiene millones de a\u00f1os<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b2c7bfe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b2c7bfe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fd6e5c0\" data-id=\"fd6e5c0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f630430 elementor-widget elementor-widget-heading\" data-id=\"f630430\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Las prote\u00ednas en dinosaurios tergiversados<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8cc5f0a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8cc5f0a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cb887f3\" data-id=\"cb887f3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-316bccd elementor-widget elementor-widget-text-editor\" data-id=\"316bccd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un art\u00edculo publicado en Scientific America informaba de que Mary Schweitzer hab\u00eda secuenciado prote\u00ednas de f\u00f3siles de dinosaurio que hoy \u00abs\u00f3lo se encuentran en las aves\u00bb.<\/p><p>\u00a0Esto ayud\u00f3 a construir la narrativa evolutiva de los dinosaurios a las aves y fue muy bien recibido.\u00a0<\/p><p>Sin embargo, m\u00e1s tarde, como correcci\u00f3n de \u00faltima p\u00e1gina, Schweitzer se puso en contacto con el autor del art\u00edculo para pedir que se corrigiera la conclusi\u00f3n, ya que las prote\u00ednas de dinosaurios secuenciadas son en realidad similares a las que se encuentran en muchos taxones, no s\u00f3lo en las aves, como se afirmaba err\u00f3neamente en el art\u00edculo.<\/p><p>Schweitzer y sus colegas han seguido acumulando apoyo a su interpretaci\u00f3n de que las \u00faltimas pruebas de c\u00e9lulas \u00f3seas, u osteocitos, de los dinosaurios T. rex y Brachylophosaurus tambi\u00e9n se encuentran en los osteocitos de aves, lo que era de esperar viendo la creencia moderna de que las aves eran el resultado evolutivo de los dinosaurios.\u00a0<\/p><p>La narraci\u00f3n ten\u00eda mucho sentido para los amantes del mal en todo el mundo.<\/p><p>\u00abLos investigadores aislaron los osteocitos y los sometieron a varias pruebas. Cuando expusieron las estructuras celulares a un anticuerpo dirigido contra una prote\u00edna llamada PHEX *que s\u00f3lo se encuentra en los osteocitos de las aves* (&#8216;las aves descienden de los dinosaurios&#8217;), las estructuras reaccionaron como cabr\u00eda esperar de los osteocitos de dinosaurio.\u00a0<\/p><p>Y cuando el equipo someti\u00f3 las c\u00e9lulas de dinosaurio a otros anticuerpos dirigidos contra el ADN, los anticuerpos se unieron al material en peque\u00f1as regiones espec\u00edficas dentro de la aparente membrana celular. \u00ab<\/p><p>\u00abEn realidad, PHEX se encuentra en muchos taxones. Sin embargo, las prote\u00ednas tienen miles de sitios de uni\u00f3n de anticuerpos. Algunos anticuerpos que se unen a ep\u00edtopos* compartidos entre grupos son ampliamente reactivos cruzados.\u00bb En otras palabras, \u00a1la reacci\u00f3n de PHEX a los osteocitos de dinosaurio NO significa que las aves est\u00e9n emparentadas con los dinosaurios!\u00bb<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"featured_media":0,"template":"","categories":[],"class_list":["post-17233","datacion","type-datacion","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Las prote\u00ednas en dinosaurios tergiversados - CIG22<\/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:\/\/cig22.com\/zh\/datacion\/las-proteinas-en-dinosaurios-tergiversados\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Las prote\u00ednas en dinosaurios tergiversados\" \/>\n<meta property=\"og:description\" content=\"La tierra no tiene millones de a\u00f1os Las prote\u00ednas en dinosaurios tergiversados Un art\u00edculo publicado en Scientific America informaba de que Mary Schweitzer hab\u00eda secuenciado prote\u00ednas de f\u00f3siles de dinosaurio que hoy \u00abs\u00f3lo se encuentran en las aves\u00bb. \u00a0Esto ayud\u00f3 a construir la narrativa evolutiva de los dinosaurios a las aves y fue muy bien [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cig22.com\/zh\/datacion\/las-proteinas-en-dinosaurios-tergiversados\/\" \/>\n<meta property=\"og:site_name\" content=\"CIG22\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-08T23:27:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cig22.com\/wp-content\/uploads\/la-raiz-de-todo-white.png\" \/>\n\t<meta property=\"og:image:width\" content=\"707\" \/>\n\t<meta property=\"og:image:height\" content=\"96\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cig22.com\\\/datacion\\\/las-proteinas-en-dinosaurios-tergiversados\\\/\",\"url\":\"https:\\\/\\\/cig22.com\\\/datacion\\\/las-proteinas-en-dinosaurios-tergiversados\\\/\",\"name\":\"Las prote\u00ednas en dinosaurios tergiversados - 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