U7 small nuclear RNA in C snurposomes of the Xenopus germinal vesicle.

@article{Wu1993U7SN,
  title={U7 small nuclear RNA in C snurposomes of the Xenopus germinal vesicle.},
  author={C H H Wu and Joseph G Gall},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1993},
  volume={90 13},
  pages={6257-9}
}
In the amphibian germinal vesicle small nuclear RNAs (snRNAs) occur in morphologically distinct structures called snurposomes. Three types (A, B, and C) have been distinguished on the basis of cytological appearance and snRNA composition. C snurposomes in Xenopus are spherical bodies ranging in diameter from < 1 microns to about 10 microns. They stain intensely with antibodies against trimethylguanosine and the small nuclear ribonucleoprotein-specific Sm antigen but give weak or negative in… CONTINUE READING

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