Production of 5′ Nucleotide by Using Halophilic Nuclease H Preferentially Adsorbed on Flocculated Cells of the Halophile Micrococcus varians subsp. halophilus
AUTOR(ES)
Onishi, Hiroshi
RESUMO
A bioreactor with a column of flocculated cells of the moderate halophile Micrococcus varians subsp. halophilus which adsorbed the halophilic nuclease H was designed to be used in the production of 5′ nucleotides from RNA. A remarkable characteristic of the flocculated cells was that they preferentially adsorbed much exogenous nuclease, excluding adsorbed 5′ nucleotidase. Furthermore, desalting treatment of the flocculated cells in the presence of 2% MgSO4 · 7H2O gave rise to selective inactivation of 5′ nucleotidase without the loss of nuclease H activity, and 5′-guanylic acid was produced with the bioreactor.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=204347Documentos Relacionados
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