期刊
MATHEMATICAL BIOSCIENCES
卷 188, 期 -, 页码 221-233出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.mbs.2003.04.001
关键词
pattern formation; myxobacteria; rippling; waves; synchronization
Myxobacteria colonies during their aggregation phase propagate complex waves over their surface. These waves are fundamentally different from the analogous phenomenon in diffusion-reaction systems or in populations of Dictyostelium discoideum where colliding waves annhilate. Myxobacterial waves appear to pass through one another, analogous to solitons. Moreover, individual bacteria oscillate back and forth, exhibiting no net mass transfer. A mathematical model can explain virtually all of the experimentally observed properties of these waves and draw several conclusions about the properties of the intercelular signaling system. (C) 2003 Elsevier Inc. All rights reserved.
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