. Author manuscript; available in PMC: 2011 Jul 14.

Published in final edited form as: Development. 2006 Mar 22;133(9):1657–1671. doi: 10.1242/dev.02341

Table 2. Effect of concanamycin on the sidedness of XNR1 expression in Xenopus.

Nodal expression	Left		Right		Bilateral		None

Treatment	n	%	n	%	n	%	n	%	χ²	P
Control	34	94%	0	0%	0	0%	2	6%
Concanamycin	144	46%	12	8%	27	19%	39	27%	24.0	≪0.001

The laterality of expression of XNR1 is significantly altered in frog embryos treated with the H⁺-V-ATPase inhibitor concanamycin.