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X-WR-CALDESC:Events for Biomedical Mathematics Group
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TZID:Asia/Seoul
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TZOFFSETFROM:+0900
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DTSTART:20220101T000000
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DTSTART;TZID=Asia/Seoul:20230407T140000
DTEND;TZID=Asia/Seoul:20230407T160000
DTSTAMP:20260425T233158
CREATED:20230331T040259Z
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UID:7562-1680876000-1680883200@www.ibs.re.kr
SUMMARY:Yun Min Song\, The ups and downs of biological oscillators: A comparison of time-delayed negative feedback mechanisms
DESCRIPTION:We will discuss about “The ups and downs of biological oscillators: A comparison of time-delayed negative feedback mechanisms”\,Rombouts\, Jan\, Sarah Verplaetse\, and Lendert Gelens.\, bioRxiv (2023) \nAbstract \n\n\n\nMany biochemical oscillators are driven by the periodic rise and fall of protein concentrations or activities. A negative feedback loop underlies such oscillations. The feedback can act on different parts of the biochemical network. Here\, we mathematically compare time-delay models where the feedback affects production and degradation. We show a mathematical connection between the linear stability of the two models\, and derive how both mechanisms impose different constraints on the production and degradation rates that allow oscillations. We show how oscillations are affected by the inclusion of a distributed delay\, of double regulation (acting on production and degradation)\, and of enzymatic degradation.
URL:https://www.ibs.re.kr/bimag/event/2023-04-07-jc/
LOCATION:B378 Seminar room\, IBS\, 55 Expo-ro Yuseong-gu\, Daejeon\, 34126\, Korea\, Republic of
CATEGORIES:Journal Club
ORGANIZER;CN="Jae Kyoung Kim":MAILTO:jaekkim@kaist.ac.kr
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