{"id":3980,"date":"2021-02-23T18:40:06","date_gmt":"2021-02-23T09:40:06","guid":{"rendered":"https:\/\/www.ibs.re.kr\/bimag\/?post_type=tribe_events&p=3980"},"modified":"2021-04-06T16:51:36","modified_gmt":"2021-04-06T07:51:36","slug":"2021-01-21_1","status":"publish","type":"tribe_events","link":"https:\/\/www.ibs.re.kr\/bimag\/event\/2021-01-21_1\/","title":{"rendered":"Seokjoo Chae, Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression"},"content":{"rendered":"

We will discuss about “Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression”, Benzinger et al.<\/em>, bioRxiv (2021)<\/p>\n

Cells live in constantly changing environments and employ dynamic signaling pathways to transduce information about the signals they encounter. However, the mechanisms by which dynamic signals are decoded into appropriate gene expression patterns remain poorly understood. Here, we devise networked optogenetic pathways that achieve novel dynamic signal processing functions that recapitulate cellular information processing. Exploiting light-responsive transcriptional regulators with differing response kinetics, we build a falling-edge pulse-detector and show that this circuit can be employed to demultiplex dynamically encoded signals. We combine this demultiplexer with dCas9-based gene networks to construct pulsatile-signal filters and decoders. Applying information theory, we show that dynamic multiplexing significantly increases the information transmission capacity from signal to gene expression state. Finally, we use dynamic multiplexing for precise multidimensional regulation of a heterologous metabolic pathway. Our results elucidate design principles of dynamic information processing and provide original synthetic systems capable of decoding complex signals for biotechnological applications.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

We will discuss about “Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression”, Benzinger et al., bioRxiv (2021) Cells live in constantly changing environments and employ dynamic signaling … <\/p>\n

Continue reading “Seokjoo Chae, Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression”<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_uag_custom_page_level_css":"","_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[226],"tribe_events_cat":[219,231],"class_list":["post-3980","tribe_events","type-tribe_events","status-publish","hentry","tag-synthetic-biology","tribe_events_cat-journal-club","tribe_events_cat-seminar","cat_journal-club","cat_seminar"],"yoast_head":"\nSeokjoo Chae, Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression - Biomedical Mathematics Group<\/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:\/\/www.ibs.re.kr\/bimag\/event\/2021-01-21_1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seokjoo Chae, Synthetic gene networks recapitulate dynamic signal decoding and differential gene expression - 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