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nrxn1xenopus oocyte [+] 

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Experiment details for nrxn1

The expression and alternative splicing of alpha-neurexins during Xenopus development.

The expression and alternative splicing of alpha-neurexins during Xenopus development.

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Gene Clone Species Stages Anatomy
nrxn1 tropicalis unfertilized egg stage oocyte
nrxn1 tropicalis NF stage 66 oocyte

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  Fig. 3. Transcripts of α-neurexins are expressed in Xenopus oocytes. Ovarian tissue consisting of connective tissue, follicle cells and oocytes at different stages of development was subject to wholemount in situ hybridisation using probes specific for each of the neurexin transcripts. (A) An nrxn I specific probe identifies transcripts equally distributed through small, early stage oocytes (yellow arrows). At later stages, the nrxn Iα transcript is localised to a crescent within the large oocyte (red arrows). Transcripts were not detected in cells other than oocytes. (B,C) Nrxn II (B) and nrxn III (C) transcripts were found in all stages of oocyte. At the later stages, in the large oocyte, the signal is less intense probably due to the dilution of the mRNA in the larger cytoplasmic volume. There was no evidence for localisation of these transcripts and neither were they detected in cells other than oocytes. Right-hand-side panels: negative controls, hybridised with corresponding sense neurexin cRNA probes