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Ribosomal RNA characterization in the leech Hirudo medicinalis

Monica Macchi, Mauro Durante, Rodolfo Bernardi, Giovanna Traina


In the present study the ribosomal RNA of the leech Hirudo medicinalis has been characterized at the aim of identifying possible analogies with other invertebrates.  Upon electrophoresis on denaturating gels, ribosomal RNA fraction of H. medicinalis exhibited a remarkable thermal instability at variance with the behavior of the rat rRNA, which did not dissociate into its two hydrogen-bonded components when heated at 60°C.


ribosomal RNA; Hirudo medicinalis

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