Title |
Biological soliton in multicellular movement
|
---|---|
Published in |
Scientific Reports, July 2013
|
DOI | 10.1038/srep02272 |
Pubmed ID | |
Authors |
Hidekazu Kuwayama, Shuji Ishida |
Abstract |
Solitons have been observed in various physical phenomena. Here, we show that the distinct characteristics of solitons are present in the mass cell movement of non-chemotactic mutants of the cellular slime mould Dictyostelium discoideum. During starvation, D. discoideum forms multicellular structures that differentiate into spore or stalk cells and, eventually, a fruiting body. Non-chemotactic mutant cells do not form multicellular structures; however, they do undergo mass cell movement in the form of a pulsatile soliton-like structure (SLS). We also found that SLS induction is mediated by adhesive cell-cell interactions. These observations provide novel insights into the mechanisms of biological solitons in multicellular movement. |
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