Distribution and knockout of the gluk2 gene in zebrafish. (A). The relative mRNA levels of gluk2 are determined in selected tissues of wild-type. Analysis of variance (ANOVA) and the Duncan test are applied on the data, p < 2 × 10−16. a−d: The same letter indicates no difference between means as determined (p < 0.05), different letters indicate a significant difference (p < 0.05). (B). gluk2 locus, with gluk2−26bp mutation and a premature stop in gluk2−26bp. Asterisk indicates stop codon. (C). The relative mRNA levels of gluk2 are determined in wild-type and gluk2−/− mutant. Values plotted are means ± SEM, *** p < 0.001, compared with control. (D). The predicted three-dimensional structures of GluK2 and GluK2−26bp.
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