title: n-Alkane chain length alters Dietzia sp. strain DQ12-45-1b biosurfactant production and cell surface activity.
abstract: Upon growth on n-hexadecane (C(16)), n-tetracosane (C(24)), and n-hexatriacontane (C(36)), Dietzia sp. strain DQ12-45-1b could produce different glycolipids, phospholipids, and lipopeptides. Interestingly, cultivation with C(36) increased cell surface hydrophobic activity, which attenuated the negative effect of the decline of the emulsification activity. These results suggest that the mechanisms of biosurfactant production and cell surface hydrophobicity are dependent upon the chain lengths of the n-alkanes used as carbon sources.
authors.affiliation: Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, People's Republic of China.
authors.forename: Xing-Biao
authors.initials: XB
authors.lastname: Wang
authors.forename: Yong
authors.initials: Y
authors.lastname: Nie
authors.forename: Yue-Qin
authors.initials: YQ
authors.lastname: Tang
authors.forename: Gang
authors.initials: G
authors.lastname: Wu
authors.forename: Xiao-Lei
authors.initials: XL
authors.lastname: Wu
mesh_terms: D000192:Actinomycetales / Q000737:chemistry / Q000254:growth & development / Q000378:metabolism*; D000473:Alkanes / Q000737:chemistry* / Q000378:metabolism*; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D057927:Hydrophobic and Hydrophilic Interactions; D008969:Molecular Sequence Data; D017422:Sequence Analysis, DNA; D013499:Surface Properties; D013501:Surface-Active Agents / Q000378:metabolism* / Q000494:pharmacology*
chemical_list: D000473:Alkanes; D004269:DNA, Bacterial; D013501:Surface-Active Agents