gpr161 knockdown disrupts L–R identity in lateral plate mesoderm. (A) lefty2 expression in the left anterior lateral plate mesoderm (LPM) and lefty1 expression in the left diencephalon were disrupted in gpr161 knockdown embryos. (B) Graphical summary of control (99.3 ± 1.1%; n = 351), gpr161 morpholino (MO#24, 67.0 ± 4.7%; n = 348) and t-test (p < 0.01) results were from 11 injection experiments. (C) spaw expression in the left anterior lateral plate mesoderm (LPM) at 19.5 hpf in control and gpr161 knockdown embryos. ntl expression marked the midline as a reference. (D) Graphical summary of spaw expression in control (98.7 ± 1.4%; n = 311), gpr161 morpholino (MO#24, 63.4 ± 2.7%; n = 306) and t-test (p < 0.01) results were from 13 injection experiments. Error bars were ± SEM. All scale bars were 100 μm.
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