| Presentation | 2007-03-05 Aggregational Process of Paramecia by Chemotaxis Maiko OGATA, Yoshikatsu HAYASHI, Yoshinori HAYAKAWA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Paramecia are single-cell protozoans which populate in fresh water. Since they need to reproduct by meeting mating-types, there has to be some mechanism for them to aggregate. On the other hand, if they get trapped into the aggregation for too long, aggregation mechanism becomes disadvantage for them to survive. Therefore, they have to not only aggregate but also disperse. Paramecia are known to react with many outer signals. But spontaneous aggregation process without any external signal is not well discussed yet. When paramecia are injected into a narrow tube connected in the form of a ring, density distribution of paramecia localizes in about 1 hr. This can be explained as a chemotaxis against some substance parmecia themselves release. We observe this aggregation process experimentally and analyze paramecia's behavior to explain the aggregation mechanism. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Aggregation / Chemotaxis / Paramecia |
| Paper # | NLP2006-149 |
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| Conference Information | |
| Committee | NLP |
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| Conference Date | 2007/2/26(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Nonlinear Problems (NLP) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Aggregational Process of Paramecia by Chemotaxis |
| Sub Title (in English) | |
| Keyword(1) | Aggregation |
| Keyword(2) | Chemotaxis |
| Keyword(3) | Paramecia |
| 1st Author's Name | Maiko OGATA |
| 1st Author's Affiliation | Faculty of Science, Tohoku University() |
| 2nd Author's Name | Yoshikatsu HAYASHI |
| 2nd Author's Affiliation | Department of Information Science, Tohoku Gakuin University |
| 3rd Author's Name | Yoshinori HAYAKAWA |
| 3rd Author's Affiliation | Faculty of Science, Tohoku University |
| Date | 2007-03-05 |
| Paper # | NLP2006-149 |
| Volume (vol) | vol.106 |
| Number (no) | 573 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |