{"id":280895,"date":"2024-07-31T09:01:38","date_gmt":"2024-07-31T07:01:38","guid":{"rendered":"https:\/\/dhcp205002.cbm.uam.es\/index.php\/mantenimiento-de-la-estabilidad-genomica-en-bacterias\/"},"modified":"2026-03-26T14:39:01","modified_gmt":"2026-03-26T13:39:01","slug":"mantenimiento-de-la-estabilidad-genomica-en-bacterias","status":"publish","type":"page","link":"https:\/\/www.cbm.uam.es\/index.php\/programas-cientificos\/homeostasis-de-tejidos-y-organos\/comunicacion-intercelular-e-inflamacion\/mantenimiento-de-la-estabilidad-genomica-en-bacterias\/?lang=es","title":{"rendered":"Mantenimiento de la estabilidad gen\u00f3mica en bacterias"},"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\/genome-instability.png&#8221; background_position=&#8221;bottom_center&#8221; background_vertical_offset=&#8221;32%&#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;4.25.2&#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;Mantenimiento de la estabilidad gen\u00f3mica en bacterias&#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\/583.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;Miguel de Vega Jos\u00e9&#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:\/\/twitter.com\/devega_m?lang=es\" 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><a href=\"https:\/\/www.researchgate.net\/profile\/Miguel-De-Vega\" target=\"blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.cbm.uam.es\/wp-content\/uploads\/2024\/06\/ResearchGate.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\/0000-0003-1285-7549\" 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;&lt;!&#8211;&#091;CDATA&#091;#investiga&#093;&#093;&#8211;&gt;&#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;\">Para entender c\u00f3mo se lleva a cabo la transmisi\u00f3n fiel y eficiente de la informaci\u00f3n gen\u00e9tica, estudiamos las propiedades bioqu\u00edmicas de las DNA polimerasas que capacitan al enzima para replicar y reparar de forma eficiente y precisa el genoma. Para ello, realizamos ensayos bioqu\u00edmicos con las DNA polimerasas purificadas y analizamos su comportamiento sobre diferentes sustratos de DNA. <\/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\/Figura-representativa-grupo-Miguel-de-Vega.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;\">El mantenimiento de la estabilidad gen\u00f3mica depende en gran medida de la replicaci\u00f3n fiel del DNA. Sin embargo, el da\u00f1o continuo que sufren los genomas por agentes genot\u00f3xicos ha hecho necesario la emergencia de mecanismos de reparaci\u00f3n que prevengan los efectos delet\u00e9reos que la permanencia de dichas lesiones podr\u00eda causar. <br \/>Nuestro principal objetivo es el estudio a nivel molecular de los mecanismos responsables del mantenimiento de la informaci\u00f3n gen\u00e9tica en bacterias, mediante el an\u00e1lisis de las propiedades enzim\u00e1ticas de prote\u00ednas de reparaci\u00f3n de bacterias modelo, como la Gram positiva Bacillus subtilis y las Gram negativas Pseudomonas aeruginosa y Escherichia coli.<br \/>En ese sentido durante los \u00faltimos a\u00f1os hemos estudiado las funciones catal\u00edticas de la DNA polimerasa de B. subtilis perteneciente a la familia X (PolXBs). Hemos demostrado que esta polimerasa posee, adem\u00e1s de la actividad de polimerizaci\u00f3n, una actividad 3\u2019-5\u2019 exonucleasa, AP endonucleasa, 3\u2019-fosfatasa y 3\u2019-fosfodiesterasa. Todas estas actividades nucleol\u00edticas comparten el mismo centro activo en el dominio PHP C-terminal, espec\u00edfico del subgrupo de las PolXs bacterianas y de arqueas. En coordinaci\u00f3n con la actividad de polimerizaci\u00f3n, esas actividades nucleol\u00edticas permiten a la enzima reconocer sitios ab\u00e1sicos (AP), hidrolizarlos y posteriormente restaurar (reparar) el nucle\u00f3tido original no da\u00f1ado, as\u00ed como procesar extremos 3\u2019 da\u00f1ados que pueden surgir tras la exposici\u00f3n del DNA a agentes genot\u00f3xicos.  <\/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\/2024-10-23-Grupo-Miguel-Vega-03-1000px.jpg&#8221; title_text=&#8221;2024-10-23 Grupo Miguel Vega 03-1000px&#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;\">Muchos miembros bacterianos disponen de un sistema de uni\u00f3n de extremos no hom\u00f3logos (NHEJ) responsable de reparar las roturas de doble cadena (DSB), las lesiones del ADN m\u00e1s peligrosas, ya que son letales para las c\u00e9lulas en divisi\u00f3n si no se reparan a tiempo. Esta v\u00eda de reparaci\u00f3n est\u00e1 constituida por un homod\u00edmero de Ku y una ligasa espec\u00edfica y multifuncional dependiente de ATP (LigD). An\u00e1lisis bioqu\u00edmicos previos de la LigD bacteriana permitieron identificar actividades de polimerizaci\u00f3n, ligasa y fosfoesterasa. Recientemente hemos caracterizado la presencia adicional de una inesperada actividad 5&#8242;-2-deoxirribosa-5-fosfato (dRP) liasa en el dominio ligasa (LigDom) de la LigD de B. subtilis y P.aeruginosa. Esta actividad se coordina con las actividades de polimerizaci\u00f3n y ligasa para permitir la reparaci\u00f3n eficaz de un ADN que contiene un sitio AP en una reacci\u00f3n de reparaci\u00f3n por escisi\u00f3n de bases (BER) reconstituida in vitro. Por lo tanto, LigD tiene en la misma cadena polipept\u00eddica las tres actividades requeridas en los \u00faltimos pasos de BER, lo que sugiere que su papel en la reparaci\u00f3n del ADN no se limita a la v\u00eda NHEJ, sino que se expande m\u00e1s all\u00e1, siendo potencialmente activo en v\u00edas de reparaci\u00f3n adicionales. Adem\u00e1s, hemos identificado una nueva actividad AP-liasa en el PolDom de LigD que escinde sitios AP espec\u00edficamente cuando est\u00e1n proximales a extremos 5&#8217;recesivos y a trav\u00e9s de la formaci\u00f3n de un complejo precatal\u00edtico preterminal con iones Mn2+ y un ribonucle\u00f3tido entrante complementario al nucle\u00f3tido de templado <\/p>\n<p>Recientemente hemos caracterizado una prote\u00edna denominada potenciador de escisi\u00f3n de secuencias de inserci\u00f3n, presente espec\u00edficamente en la bacteria enteropat\u00f3gena E. coli, y perteneciente a la superfamilia de las primasas arqueas\/eucariotas. Nuestros estudios han demostrado que se trata de una nueva ADN polimerasa capaz de llevar a cabo la uni\u00f3n de extremos mediada por microhomolog\u00eda, que posee caracter\u00edsticas bioqu\u00edmicas t\u00edpicas de las ADN polimerasas implicadas en la reparaci\u00f3n de lesiones del ADN.       <\/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=\"Miguel de Vega Jos\u00e9\" image=\"\/imgs\/583.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.: 405 Ext.: 4717<br \/>mdevega(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=\"Alicia del Prado D\u00edaz\" image=\"\/imgs\/1190.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.: 405 Ext.: 4463<br \/>adelprado(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=\"Silvia  D\u00edaz Arco\" image=\"\/imgs\/5354.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.: 405 Ext.: 4463<br \/>silvia.diaz(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=\"Luc\u00eda Alba Fern\u00e1ndez\" image=\"\/imgs\/5733.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.: 405 Ext.: 4463<br \/>lucia.alba(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=\"Aitana Garc\u00eda Garc\u00eda\" 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.: 405 Ext.: 4463<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\/1-Miguel-de-Vega.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.ncbi.nlm.nih.gov\/pmc\/articles\/PMC9943667\/pdf\/gkad017.pdf&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>La prote\u00edna potenciadora de la inserci\u00f3n por escisi\u00f3n de secuencias de Escherichia coli enterohemorr\u00e1gica<br \/>es una ADN polimerasa mediada por microhomolog\u00eda<br \/>ADN polimerasa con actividad de uni\u00f3n<br \/>mediada por microhomolog\u00eda<\/h3>\n<p>Patricia A. Calvo 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\/2-Miguel-de-Vega.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:\/\/academic.oup.com\/nar\/article\/47\/10\/5276\/5446247?login=true&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Bacterial Ligase D preternary-precatalytic complex performs efficient abasic sites processing at double strand breaks during nonhomologous end joining <\/h3>\n<p>Ana de Ory 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\/3-Miguel-de-Vega.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.pnas.org\/doi\/10.1073\/pnas.1718787115?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub%20%200pubmed&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Noncatalytic aspartate at the exonuclease domain of proofreading DNA polymerases regulates both degradative and synthetic activities<\/h3>\n<p>Alicia del Prado 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;data:image\/svg+xml;base64,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&#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:\/\/academic.oup.com\/nar\/article\/42\/21\/13082\/2902557?login=true&#8221; link_option_url_new_window=&#8221;on&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>Efficient processing of abasic sites by bacterial nonhomologous end-joining Ku proteins <\/h3>\n<p>Ana de Ory 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; global_colors_info=&#8221;{}&#8221; da_is_popup=&#8221;off&#8221; 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