5 research outputs found

    Altered nuclear tRNA metabolism in La-deleted Schizosaccharomyces pombe is accompanied by a nutritional stress response involving Atf1p and Pcr1p that is suppressible by Xpo-t/Los1p

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    The La protein controls pre-tRNA metabolism in nuclei. Deletion of Schizosaccharomyces pombe La leads to altered pre-tRNA metabolism and up-regulation of amino acid genes and nutrient-sensitive growth defects, accompanied by apparently inefficient tRNA nuclear export. These sla1-Δ phenotypes are suppressed by modest overexpression of the tRNA nuclear export factor Los1p
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