| Paper Abstract and Keywords |
| Presentation |
2005-03-25 13:50
How Multiple Feedback Loops Enhance the Entrainment Ability in Circadian Clock Systems ?
-- Phase Dynamics in the Interlocked Feedback Model of Drosophila Circadian Clock --
Hisa-Aki Tanaka (UEC), Takashi Shimada (The Univ. of Tokyo), Tomoki Maegawa, Daisuke Ohta (UEC) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In this study, we analyze the following question; How multiple feedback loops enhance the entrainment ability in circadian clock systems ? For this purpose, we focus on the interlocked feedback model of Drosophila circadian clock which is one of the most elaborated models consistently explaining several important aspects known experimentally. For the single-cell entrainment ability in this system subject to weak light inputs, the whole dynamics can be reduced to a simple phase equation governing the system's circadian rhythms. By analyzing such phase equations for the wild-type and various (experimantally known) mutants, we find that the entrainment ability is significantly enhanced in the multiple feedback loops, as opposed to a single feedback loop in the mutant systems. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
circadian clock / multiple feedback loops / entrainment / Drosophila / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 104, no. 753, NLP2004-117, pp. 11-16, March 2005. |
| Paper # |
NLP2004-117 |
| Date of Issue |
2005-03-18 (NLP) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
NLP |
| Conference Date |
2005-03-25 - 2005-03-26 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Tokyo Univ |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
(TBD) |
| Paper Information |
| Registration To |
NLP |
| Conference Code |
2005-03-NLP |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
How Multiple Feedback Loops Enhance the Entrainment Ability in Circadian Clock Systems ? |
| Sub Title (in English) |
Phase Dynamics in the Interlocked Feedback Model of Drosophila Circadian Clock |
| Keyword(1) |
circadian clock |
| Keyword(2) |
multiple feedback loops |
| Keyword(3) |
entrainment |
| Keyword(4) |
Drosophila |
| Keyword(5) |
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| 1st Author's Name |
Hisa-Aki Tanaka |
| 1st Author's Affiliation |
The University of Electro-Communications (UEC) |
| 2nd Author's Name |
Takashi Shimada |
| 2nd Author's Affiliation |
The University of Tokyo (The Univ. of Tokyo) |
| 3rd Author's Name |
Tomoki Maegawa |
| 3rd Author's Affiliation |
The University of Electro-Communications (UEC) |
| 4th Author's Name |
Daisuke Ohta |
| 4th Author's Affiliation |
The University of Electro-Communications (UEC) |
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| Speaker |
Author-1 |
| Date Time |
2005-03-25 13:50:00 |
| Presentation Time |
25 minutes |
| Registration for |
NLP |
| Paper # |
NLP2004-117 |
| Volume (vol) |
vol.104 |
| Number (no) |
no.753 |
| Page |
pp.11-16 |
| #Pages |
6 |
| Date of Issue |
2005-03-18 (NLP) |