The RNA of unfertilized sea urchin eggs is "capped".
It is shown that the RNA of unfertilized sea urchin eggs is active in stimulating protein synthesis in a wheat germ cell free system. This activity is not lowered by conditions that inhibit the methylation processes but is inhibited by a treatment that damages the "cap", A difference in activity in a wheat germ cell free system between the RNA of unfertilized eggs and the RNA from early embryos is described.
D000818:Animals; D002474:Cell-Free System; D005260:Female; D008745:Methylation; D010063:Ovum / Q000378:metabolism*; D014176:Protein Biosynthesis; D012313:RNA / Q000378:metabolism*; D012333:RNA, Messenger / Q000378:metabolism*; D012435:S-Adenosylhomocysteine / Q000494:pharmacology; D012436:S-Adenosylmethionine / Q000494:pharmacology; D012617:Sea Urchins; D015053:Zygote / Q000378:metabolism
D012333:RNA, Messenger; D012313:RNA; D012436:S-Adenosylmethionine; D012435:S-Adenosylhomocysteine