{"id":280936,"date":"2024-07-31T09:01:42","date_gmt":"2024-07-31T07:01:42","guid":{"rendered":"https:\/\/dhcp205002.cbm.uam.es\/?page_id=280936"},"modified":"2026-03-26T14:49:07","modified_gmt":"2026-03-26T13:49:07","slug":"cromatina-cancer-y-el-sistema-ubiquitina","status":"publish","type":"page","link":"https:\/\/www.cbm.uam.es\/index.php\/programas-cientificos\/dinamica-y-funcion-del-genoma\/mantenimiento-e-inestabilidad-del-genoma\/cromatina-cancer-y-el-sistema-ubiquitina\/?lang=es","title":{"rendered":"Cromatina, c\u00e1ncer y el sistema ubiquitina"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#34609B&#8221; background_image=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/07\/iStock-155145178jpeg-scaled.jpg&#8221; min_height=&#8221;352px&#8221; height=&#8221;294px&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row column_structure=&#8221;2_5,3_5&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; custom_margin=&#8221;61px||||false|false&#8221; custom_padding=&#8221;||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(52,96,155,0.83)&#8221; custom_padding=&#8221;50px||50px|50px|false|false&#8221; border_radii=&#8221;on|15px|15px|15px|15px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; text_text_color=&#8221;#FFFFFF&#8221; custom_margin=&#8221;0px||10px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Programa Cient\u00edfico<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;Din\u00e1mica y funci\u00f3n del genoma&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;Montserrat||||||||&#8221; title_text_color=&#8221;#FFFFFF&#8221; title_font_size=&#8221;43px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;157px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h4 style=\"text-align: center;\"><span style=\"color: #13b5bd;\">UNIDADES EN ESTE PROGRAMA<br \/>\n<\/span><\/h4>\n<hr>\n<h6 style=\"text-align: center;\"><span style=\"color: #abb8c3;\"><br \/>\n<a href=\"\/index.php\/scientific-programs\/genome-dynamics-and-function\/genome-decoding\/\">Decodificaci\u00f3n del genoma<\/a><\/span> <span style=\"color: #13b5bd;\"><a href=\"\/index.php\/scientific-programs\/genome-dynamics-and-function\/genome-integrity\/\">Integridad del genoma<\/a><\/span><\/h6>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_enable_image=&#8221;off&#8221; background_size=&#8221;custom&#8221; background_image_height=&#8221;84%&#8221; background_position=&#8221;bottom_right&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;||0px||false|false&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;GRUPO DE INVESTIGACI\u00d3N&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h5&#8243; title_text_color=&#8221;#13B5BD&#8221; custom_margin=&#8221;50px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_blurb title=&#8221;Cromatina, c\u00e1ncer y el sistema ubiquitina&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe046;||divi||400&#8243; icon_color=&#8221;#13B5BD&#8221; icon_placement=&#8221;left&#8221; image_icon_width=&#8221;26px&#8221; content_max_width=&#8221;1100px&#8221; content_max_width_tablet=&#8221;1100px&#8221; content_max_width_last_edited=&#8221;off|desktop&#8221; _builder_version=&#8221;4.25.2&#8243; header_level=&#8221;h1&#8243; header_font=&#8221;Montserrat||||||||&#8221; header_text_color=&#8221;#000000&#8243; header_font_size=&#8221;29px&#8221; header_line_height=&#8221;1.4em&#8221; body_font=&#8221;||||||||&#8221; body_font_size=&#8221;15px&#8221; body_line_height=&#8221;1.8em&#8221; image_icon_custom_margin=&#8221;6px||||false|false&#8221; background_layout=&#8221;dark&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;||14px||false|false&#8221; animation_style=&#8221;slide&#8221; animation_direction=&#8221;right&#8221; animation_intensity_slide=&#8221;10%&#8221; animation=&#8221;off&#8221; image_max_width=&#8221;64px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(175,218,249,0.18)&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row column_structure=&#8221;1_4,3_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;\/imgs\/3112.jpg&#8221; title_text=&#8221;logoRecurso 7&#8243; align=&#8221;right&#8221; module_class=&#8221;roundedImg&#8221; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;3_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Emilio Lecona Sagrado&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h3&#8243; title_text_align=&#8221;left&#8221; title_text_color=&#8221;#008C93&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-27px||||false|false&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: left;\"><a href=\"https:\/\/x.com\/UbiSystemLab\" target=\"blank\" rel=\"noopener\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/01\/ico_twitter.png\" width=\"24\" height=\"25\" style=\"margin-top: -2px; margin-left: -2px;\" alt=\"\" class=\"wp-image-277817 alignleft size-full\"><\/a><br \/>\n<a href=\"https:\/\/orcid.org\/0000-0002-1687-2562\" target=\"blank\" rel=\"noopener\">ORCID<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#13B5BD&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row column_structure=&#8221;1_3,1_3,1_3&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;#investiga&#8221; button_text=&#8221;Investigaci\u00f3n&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#34609B&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;#personal&#8221; button_text=&#8221;Miembros del grupo&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#34609B&#8221; custom_padding=&#8221;|44px||44px|false|true&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_button button_url=&#8221;#publica&#8221; button_text=&#8221;Publicaciones&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_bg_color=&#8221;#34609B&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_enable_image=&#8221;off&#8221; background_size=&#8221;custom&#8221; background_image_height=&#8221;84%&#8221; background_position=&#8221;bottom_right&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; custom_padding=&#8221;0px||15px||false|false&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;2&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;20px||||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;resumen&#8221; module_id=&#8221;resumen&#8221; module_class=&#8221;resumen&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;15px&#8221; text_line_height=&#8221;1.8em&#8221; background_color=&#8221;#f1f8fe&#8221; custom_padding=&#8221;20px|20px|20px|20px|true|false&#8221; border_width_top=&#8221;1px&#8221; border_color_top=&#8221;#008C93&#8243; border_width_bottom=&#8221;1px&#8221; border_color_bottom=&#8221;#008C93&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: justify;\">Nuestra investigaci\u00f3n explora los cambios en el replisoma, la maquinaria de replicaci\u00f3n del ADN, y sus efectos en la din\u00e1mica de la replicaci\u00f3n. Estudiamos el control de los factores de replicaci\u00f3n por ubiquitina y SUMO, y realizamos an\u00e1lisis prote\u00f3micos de la composici\u00f3n del replisoma para determinar c\u00f3mo afecta la replicaci\u00f3n del ADN al control de la cromatina, la identidad celular y el c\u00e1ncer. <\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/Fibras-bonitas-Emilio-Lecona.jpg&#8221; title_text=&#8221; &#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;3_5,2_5&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Investigaci\u00f3n&#8221; module_id=&#8221;investiga&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px|||0px|false|false&#8221; custom_padding=&#8221;3px|||8px|false|false&#8221; border_width_left=&#8221;6px&#8221; border_color_left=&#8221;#34609B&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: justify;\">La replicaci\u00f3n del ADN es un proceso central en la biolog\u00eda celular que asegura la transmisi\u00f3n fiel de la informaci\u00f3n gen\u00e9tica a trav\u00e9s de la divisi\u00f3n celular. La copia del ADN est\u00e1 mediada por un complejo multiproteico, el replisoma, que coordina las diferentes actividades necesarias para duplicar el material gen\u00e9tico de la c\u00e9lula. Sin embargo, la replicaci\u00f3n del ADN es un proceso imperfecto. Por un lado, el replisoma comete errores e introduce mutaciones durante la copia del ADN. Por otro lado, la presencia de da\u00f1o en el ADN pueden impedir el correcto funcionamiento del replisoma y generar estr\u00e9s replicativo. Para evitar la aparici\u00f3n de mutaciones y otras alteraciones gen\u00e9ticas, el replisoma incorpora diferentes prote\u00ednas para reparar el ADN o activar la respuesta a estr\u00e9s replicativo. La composici\u00f3n del replisoma tambi\u00e9n influye en la din\u00e1mica de la replicaci\u00f3n del ADN permitiendo modular el progreso de las horquillas y con ello lidiar con el estr\u00e9s replicativo o diferentes estados de la cromatina. El replisoma es, por tanto, una entidad modulable y din\u00e1mica y sus funciones van m\u00e1s all\u00e1 de la copia del ADN, respondiendo a est\u00edmulos externos e influyendo en la propia estructura de la cromatina.       <\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/10\/2024-03-14-Grupo-Emilio-Lecona-05-1000px.jpg&#8221; title_text=&#8221;2024-03-14 Grupo Emilio Lecona 05-1000px&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;60px||||false|false&#8221; custom_padding=&#8221;|||27px||&#8221; animation_style=&#8221;zoom&#8221; border_width_all=&#8221;3px&#8221; border_color_all=&#8221;#13B5BD&#8221; box_shadow_style=&#8221;preset3&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: justify;\">Nuestro grupo est\u00e1 interesado en entender c\u00f3mo var\u00eda la composici\u00f3n del replisoma y las consecuencias que estos cambios tienen en la din\u00e1mica de la replicaci\u00f3n del ADN, la estructura de la cromatina y la identidad celular, as\u00ed como en situaciones patol\u00f3gicas como el c\u00e1ncer. Por un lado, exploramos cu\u00e1les son los factores de replicaci\u00f3n que se incorporan o extraen del replisoma durante la fase S, qu\u00e9 efecto tienen en la replicaci\u00f3n del ADN y c\u00f3mo se regula su localizaci\u00f3n en el replisoma. Por otro lado, estamos llevando a cabo una caracterizaci\u00f3n prote\u00f3mica de la composici\u00f3n del replisoma en diferentes escenarios para poder establecer una colecci\u00f3n de replisomas que nos permita entender las funciones de factores de replicaci\u00f3n espec\u00edficos en el mantenimiento de la identidad celular.  <\/p>\n<p style=\"text-align: justify;\">Prestamos especial atenci\u00f3n al papel de los modificadores post-traduccionales ubiquitina y SUMO en el control de las prote\u00ednas del replisoma. Estos modificadores controlan de forma reversible la actividad, localizaci\u00f3n y estabilidad de las prote\u00ednas diana. La cromatina naciente presenta un ambiente rico en prote\u00ednas SUMOiladas esencial para la replicaci\u00f3n del ADN lo que nos ha llevado a proponer que la SUMOilaci\u00f3n grupal del replisoma es necesaria para su correcto funcionamiento (Lecona y Fern\u00e1ndez-Capetillo, Bioessays 2016). Hemos demostrado que el mantenimiento del equilibrio ubiquitina\/SUMO durante la replicaci\u00f3n del ADN requiere la acci\u00f3n conjunta de USP7, una deubiquitinasa dependiente de SUMO, y la AAA+ ATPasa VCP\/p97, que extrae factores SUMOilados y ubiquitinados de cromatina durante la fase S (Lecona et al., NSMB 2016; Franz et al., Cell Rep. 2021). Siguiendo esta l\u00ednea de investigaci\u00f3n estamos interesados en entender c\u00f3mo transcurre la replicaci\u00f3n del ADN en ausencia del ambiente rico en prote\u00ednas SUMOiladas. Aparte de la modificaci\u00f3n grupal del replisoma, ubiquitina y SUMO sirven como cron\u00f3metros moleculares que controlan la activaci\u00f3n o la presencia de estos factores en el replisoma (Mart\u00edn-Rufo et al., SCDB 2022). Hemos identificado al complejo ADN polimerasa \uf061\/Primasa como un nuevo sustrato de VCP\/p97. La extracci\u00f3n de este complejo de cromatina limita la generaci\u00f3n de fragmentos de Okazaki y determina la activaci\u00f3n basal de la respuesta a estr\u00e9s replicativo. Seguimos buscando nuevos factores de replicaci\u00f3n que son dianas de VCP\/p97 para estudiar por qu\u00e9 su presencia en el replisoma necesita ser regulada.        <\/p>\n<p style=\"text-align: justify;\">Para el estudio sistem\u00e1tico de la composici\u00f3n del replisoma nos centramos en tres aspectos complementarios. Primero analizamos la replicaci\u00f3n del ADN a trav\u00e9s de diferentes entornos de cromatina. Segundo, comparamos la composici\u00f3n del replisoma en c\u00e9lulas diferenciadas y c\u00e9lulas madre, que presentan din\u00e1micas de replicaci\u00f3n muy distintas. Finalmente, nos interesa entender los cambios de composici\u00f3n del replisoma que acompa\u00f1an y permiten el proceso de transformaci\u00f3n tumoral. El establecimiento de una \u201ccolecci\u00f3n de replisomas\u201d es el primer paso para entender el papel que juega la replicaci\u00f3n del ADN en el control de la cromatina, el establecimiento de la identidad celular y su p\u00e9rdida en c\u00e1ncer. Exploramos la replicaci\u00f3n del ADN como un determinante activo de la cromatina con funciones que van m\u00e1s all\u00e1 de la transmisi\u00f3n de la informaci\u00f3n gen\u00e9tica.     <\/p>\n<p style=\"text-align: justify;\">En resumen, a trav\u00e9s del estudio de las v\u00edas de ubiquitina y SUMO, la caracterizaci\u00f3n de la composici\u00f3n del replisoma y el an\u00e1lisis molecular de la replicaci\u00f3n del ADN, buscamos caracterizar el replisoma como un complejo din\u00e1mico que integra diferentes est\u00edmulos para asegurar la estabilidad gen\u00f3mica y participar en la determinaci\u00f3n de la identidad celular.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(0,0,0,0.04)&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Miembros del grupo&#8221; module_id=&#8221;personal&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px|||0px|false|false&#8221; custom_padding=&#8221;3px|||8px|false|false&#8221; border_width_left=&#8221;6px&#8221; border_color_left=&#8221;#34609B&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; max_width=&#8221;2560px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=\"4.25.0\" _module_preset=\"default\" column_structure=\"1_4,1_4,1_4,1_4\" hover_enabled=\"0\" sticky_enabled=\"0\"][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Emilio Lecona Sagrado\" image=\"\/imgs\/3112.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4736<br \/>elecona(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Rodrigo Mart\u00edn Rufo\" image=\"\/imgs\/5304.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4486<br \/>rmartin(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Alba Gil Plaza\" image=\"\/imgs\/5360.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4486<br \/>alba.gil(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Ana Deodora de la  Fuente Gonz\u00e1lez\" image=\"\/imgs\/5783.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4486<br \/>a.fuente(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.25.0\" _module_preset=\"default\" column_structure=\"1_4,1_4,1_4,1_4\" hover_enabled=\"0\" sticky_enabled=\"0\"][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Alicia G\u00f3mez Moya\" image=\"\/imgs\/5836.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4486<br \/>a.gomez.moya(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Scott Brian Churcher \" image=\"\/imgs\/5844.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4486<br \/>sbchurcher(at)cbm.csic.es<\/p>[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=\"4.25.0\" _module_preset=\"default\" type=\"1_4\"][et_pb_blurb title=\"Laura Chuanyang Navarro Leiva\" image=\"\/imgs\/default.jpg\" _builder_version=\"4.25.0\" _module_preset=\"default\" header_text_align=\"center\" body_text_align=\"center\" global_colors_info=\"{}\" theme_builder_area=\"post_content\" module_class=\"roundedImg\"]<p>Lab.: 409 Ext.: 4736<br \/><\/p>[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;RGBA(255,255,255,0)&#8221; da_disable_devices=&#8221;off|off|off&#8221; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Publicaciones representativas&#8221; module_id=&#8221;personal&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px|||0px|false|false&#8221; custom_padding=&#8221;3px|||8px|false|false&#8221; border_width_left=&#8221;6px&#8221; border_color_left=&#8221;#34609B&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_4,1_4,1_4,1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/Figure1-Emilio-Lecona-scaled.jpeg&#8221; title_text=&#8221; &#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1084952122000520?via%3Dihub&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Ubiquitin and SUMO as timers during DNA replication<\/h3>\n<p>Rodrigo Mart\u00edn-Rufo et al.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/Figure2-Emilio-Lecona.jpg&#8221; title_text=&#8221; &#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2211124721012833?via%3Dihub&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>USP7 and VCPFAF1 define the SUMO\/Ubiquitin landscape at the DNA replication fork<\/h3>\n<p>Andr\u00e9 Franz et al.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_4,1_4,1_4,1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; animation_style=&#8221;zoom&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/Figure3-Emilio-Lecona.png&#8221; title_text=&#8221; &#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.embopress.org\/doi\/full\/10.15252\/embj.201899692&#8243; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>USP7 limits CDK1 activity throughout the cell cycle<\/h3>\n<p>Antonio Galarreta et al.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/Figure4-Emilio-Lecona.png&#8221; title_text=&#8221; &#8221; url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; link_option_url=&#8221;https:\/\/www.nature.com\/articles\/nsmb.3185&#8243; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>USP7 is a SUMO deubiquitinase essential for DNA replication<\/h3>\n<p>Emilio Lecona et al.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(0,0,0,0.04)&#8221; da_disable_devices=&#8221;off|off|off&#8221; 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