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Intracellular polyamines analyses in Hfx. volcanii H26. H26 was grown at 42°C in Hv_min medium. Intracellular polyamines from Hfx. volcanii H26 were extracted after 20 hours of growth. (a), peak standards; (b), samples after 20 hours of growth. Thirty-seven mg of extracts was injected. The ratio agmatine/cadaverine is 6.96 ± 3.28. The injection is indicated by the arrow; ∗unexpected noise derived from buffer.
