Cold shock protein 1 chaperones mRNAs during translation in Arabidopsis thaliana.

  title={Cold shock protein 1 chaperones mRNAs during translation in Arabidopsis thaliana.},
  author={Piyada Juntawong and Reed Sorenson and Julia Bailey-Serres},
  journal={The Plant journal : for cell and molecular biology},
  volume={74 6},
RNA binding proteins (RBPs) function post-transcriptionally to fine-tune gene regulation. Arabidopsis thaliana has four Gly-rich, zinc finger-containing RBPs called cold shock proteins 1-4 (CSP1-CSP4), that possess an evolutionary conserved cold shock domain. Here, we determined that CSP1 associates with polyribosomes (polysomes) via an RNA-mediated interaction. Both the abundance and polysomal co-fractionation of CSP1 was enhanced in the cold (4°C), but did not influence global levels of… CONTINUE READING
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