Table 1. Summary of physical parameters... | Rockefeller University Press

Table 1.

Summary of physical parameters of key examples of chemical waves in biology

System	Traveling activity	Estimated diffusion	Wave speed
		µm²/s	µm/s
Xenopus extract cell cycle	Cdk1	10	1
Starfish and Xenopus cytokinesis	Rho	∼0.03–1	∼0.2
Drosophila syncytial cell cycles	Cdk1	5	2–6
Chemotaxis	Cdc42	∼0.1–20	1
Actin waves	Hem1	∼0.5	3–5
Wound healing	ERK	∼1	∼0.02
Growing epithelial culture	Mechanical stress	NA	∼0.02
Somitogenesis	Notch signaling	NA	∼0.02
Blood clotting	Thrombin	∼85	∼0.6
Eye imaginal disc	Dpp	∼0.1–20	∼10⁻³

System	Traveling activity	Estimated diffusion	Wave speed
		µm²/s	µm/s
Xenopus extract cell cycle	Cdk1	10	1
Starfish and Xenopus cytokinesis	Rho	∼0.03–1	∼0.2
Drosophila syncytial cell cycles	Cdk1	5	2–6
Chemotaxis	Cdc42	∼0.1–20	1
Actin waves	Hem1	∼0.5	3–5
Wound healing	ERK	∼1	∼0.02
Growing epithelial culture	Mechanical stress	NA	∼0.02
Somitogenesis	Notch signaling	NA	∼0.02
Blood clotting	Thrombin	∼85	∼0.6
Eye imaginal disc	Dpp	∼0.1–20	∼10⁻³

NA, not applicable.