Synthesis of ribosomal proteins from stored mRNAs early in seed germination

  title={Synthesis of ribosomal proteins from stored mRNAs early in seed germination},
  author={Elda Mar{\'i}a Beltr{\'a}n-Pe{\~n}a and Adriana Ort{\'i}z-L{\'o}pez and Estela S{\'a}nchez de Jim{\'e}nez},
  journal={Plant Molecular Biology},
In several eukaryotic organisms the mRNA expression for ribosomal proteins (RPs) is highly regulated at the translational level. The present work addresses the synthesis of RPs early in germination and particularly the origin of their transcripts. Excised maize axes were labeled with [35S]methionine for 6 h, and both cytoplasmic and ribosomal proteins were analyzed by electrophoresis and fluorography. It was found that some RPs are newly synthesized and already incorporated into ribosomes… CONTINUE READING


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