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pax6xenopus   

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Experiment details for pax6

Xenopus mutant reveals necessity of rax for specifying the eye field which otherwise forms tissue with telencephalic and die...

Xenopus mutant reveals necessity of rax for specifying the eye field which otherwise forms tissue with telencephalic and diencephalic character.

Gene Clone Species Stages Anatomy
pax6 tropicalis NF stage 15 diencephalon , pre-chordal neural plate , chordal neural plate , eye primordium , optic vesicle , [+]
pax6 tropicalis NF stage 24 lens , retina , brain , diencephalon , spinal cord , [+]

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  Fig. 2. Key eye field transcription factor (EFTF) expression is unaffected in neural plate stage embryos. (A) The expression patterns and levels of rax, pax6, otx2, six3, lhx2, and six6 assayed by in situ hybridization in neural plate stage (St. 15) embryos with at least one wildtype allele versus homozygous mutant embryos reveal that key EFTF expression levels are unaffected in the rax mutant. Presumptive retinal regions indicated (arrows). (B) By early tailbud stage (St. 24), down-regulation of EFTFs can be detected in regions where the retina normally forms (arrows). (C) RNA-Seq analysis comparing wildtype and mutant St. 15 anterior neural plates confirms that EFTFs are not significantly affected in early stage rax mutant embryos. Fold change calculated using normalized read counts averaged from triplicate pooled samples. q-Values calculated using analysis utility Cuffdiff, part of the Cufflinks software package ( Trapnell et al., 2010), with a False Discovery Rate (FDR) of 0.05. High q-values indicate that listed genes are not significantly affected in neural plate stage rax mutant embryos.