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XB-ART-28109
Cell Struct Funct 1987 Jun 01;123:287-94. doi: 10.1247/csf.12.287.
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Kinetic behavior of 30S rRNA intermediate labeled in developing embryonic cells of Xenopus laevis.

Shiokawa K , Fu YC .


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In Xenopus neurula cells, "30S" RNA was found to be labeled with 3H-uridine after a relatively short labeling period. Results obtained from cumulative labeling and pulse-labeling and chase experiments with cells from late gastrulae, yolk plug-stage embryos, and neurulae showed that the 30S RNA is an intermediate in rRNA processing and is derived from 40S pre-rRNA and processed to 28S rRNA. The half-life of the 30S rRNA intermediate was about 7.5 min or less at the three stages examined.

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