Summary

Two novel polyamines were found as major polyamines of Thermoleophilum album and Thermoleophilumminutum, which are Gram-negative eubacteria obligate for thermophily and n-alkane substrates. They were identified as tertiary branched tetraamines, N4-aminopropylnorspermidine (tris(3-aminopropyl)amine) [NH2(CH2)3N-((CH2)3NH2)(CH2)3NH2 or N(CH2CH2CH2NH2)3] and N4-aminopropylspermidine [NH2(CH2)3N((CH2)3NH2)(CH2)4NH2] by high-performance liquid chromatography and gas chromatography-mass spectrometry.

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