Surface activity and metabolism of hydrocarbon-degrading microorganisms growing on hexadecane and naphthalene

Screening of 45 hydrocarbon-degrading bacteria demonstrated that 75% of strains growing on hexadecane were able to produce surfactants. The studied strains were separated into the following types: (i) those accumulating surfactants associated with the cell wall (endo-type) and (ii) those excreting s...

Full description

Saved in:
Bibliographic Details
Published in:Process biochemistry (1991) 2005-07, Vol.40 (8), p.2643-2648
Main Authors: Puntus, I.F., Sakharovsky, V.G., Filonov, A.E., Boronin, A.M.
Format: Article
Language:English
Subjects:
Biosurfactants
Caprylic acid
Fatty acids
Hexadecane
Microorganism
Naphthalene
Surface activity
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Screening of 45 hydrocarbon-degrading bacteria demonstrated that 75% of strains growing on hexadecane were able to produce surfactants. The studied strains were separated into the following types: (i) those accumulating surfactants associated with the cell wall (endo-type) and (ii) those excreting surfactants into culture medium (exo-type). The most active exo-type strains growing on hexadecane excreted formate, acetate, succinate, β-alanine, β- o-butyrate, trehalose and fatty acids into the medium. In all studied exo-type strains growing on hexadecane, surfactants were fatty acids as intermediate products of hydrocarbon degradation. During growth on naphthalene, the exo-type surfactants were probably caprylic acid and its unsaturated analogues as products of biosynthesis de novo.
ISSN:1359-5113
1873-3298
DOI:10.1016/j.procbio.2004.11.006