Spatial heterogeneities shape the collective behavior of signaling amoeboid cells
Spatial heterogeneities shape the collective behavior of signaling amoeboid cells
复制标题
空间异质性塑造了变形虫信号传导细胞的集体行为
DOI:
10.1126/scisignal.aaz3975
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发表时间:
2020
影响因子:
7.3
通讯作者:
A. Gholami
中科院分区:
文献类型:
--
作者:
T. Eckstein;E. Vidal;A. Bae;A. Gholami
In its natural habitat in the forest soil, the cellular slime moldDictyostelium discoideumis exposed to obstacles. StarvingDictyosteliumcells secrete cAMP, which is the key extracellular signaling molecule that promotes the aggregation process required for their long-term survival. Here, we investigated the influence of environmental inhomogeneities on the signaling and pattern formation ofDictyosteliumcells. We present experimental data and numerical simulations on the pattern formation of signalingDictyosteliumcells in the presence of periodic arrays of millimeter-sized pillars. We observed concentric cAMP waves that initiated almost synchronously at the pillars and propagated outward. In response to these circular waves, theDictyosteliumcells streamed toward the pillars, forming aggregates arranged in patterns that reflected the periodicity of the lattice of pillars. Our results suggest that, in nature, the excitability threshold and synchronization level of the cells are two key parameters that control the nature of the interaction between cells and spatial heterogeneities in their environment.
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DOI:
--
发表时间:
1973
期刊:
影响因子:
--
作者:
V. Krinsky
通讯作者:
V. Krinsky
影响因子:
20.1
作者:
PERTSOV, AM;DAVIDENKO, JM;JALIFE, J
通讯作者:
JALIFE, J
影响因子:
3.3
作者:
Laub, MT;Loomis, WF
通讯作者:
Loomis, WF
DOI:
--
发表时间:
1984
期刊:
影响因子:
--
作者:
A. Pertsov;A. K. Grenadier
通讯作者:
A. K. Grenadier
DOI:
--
发表时间:
2019
期刊:
影响因子:
--
作者:
Daniele Proverbio;M. Maggiora
通讯作者:
M. Maggiora