{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Qi GN"],"funding":["Fundamental Research Funds for the Central Universities of China","Natural Science Foundation of Shanghai","National Natural Science Foundation of China"],"pagination":["1192-1208"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11821748"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["197(2)"],"pubmed_abstract":["A new lipopeptide-producing strain Cytobacillus sp. R3-1 was isolated from the production water of the Daqing oilfield in China and identified based on 16S rRNA gene sequence analyses. The strain R3-1 is capable of simultaneously producing both of the surfactin and fengycin, the two major families of the lipopeptide biosurfactant. The chemical structures of the surfactin and fengycin were confirmed by a combination of the ESI-MS, FT-IR, and amino acid analyses, and the impact of various temperatures, pH, and NaCl concentrations on the emulsifying activity (E<sub>24</sub>) was investigated. The lipopeptide biosurfactant produced by the strain R3-1 exhibited strong emulsifying activity with E<sub>24</sub> value over 60% on crude oil and different hydrocarbons, including the cyclohexane, hexa"],"journal":["Applied biochemistry and biotechnology"],"pubmed_title":["A New Bacterial Strain Producing Both of the Surfactin and Fengycin Lipopeptide Biosurfactant with Strong Emulsifications on Crude Oil."],"pmcid":["PMC11821748"],"funding_grant_id":["JKJ01241714","21ZR1417400","42061134011 and 42173076"],"pubmed_authors":["Zhou L","Gang HZ","Mu BZ","Ma TT","Qin WQ","Liu YF","Yang SZ","Li GJ","Liu JF","Qi GN"],"additional_accession":[]},"is_claimable":false,"name":"A New Bacterial Strain Producing Both of the Surfactin and Fengycin Lipopeptide Biosurfactant with Strong Emulsifications on Crude Oil.","description":"A new lipopeptide-producing strain Cytobacillus sp. R3-1 was isolated from the production water of the Daqing oilfield in China and identified based on 16S rRNA gene sequence analyses. The strain R3-1 is capable of simultaneously producing both of the surfactin and fengycin, the two major families of the lipopeptide biosurfactant. The chemical structures of the surfactin and fengycin were confirmed by a combination of the ESI-MS, FT-IR, and amino acid analyses, and the impact of various temperatures, pH, and NaCl concentrations on the emulsifying activity (E<sub>24</sub>) was investigated. The lipopeptide biosurfactant produced by the strain R3-1 exhibited strong emulsifying activity with E<sub>24</sub> value over 60% on crude oil and different hydrocarbons, including the cyclohexane, hexa","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Feb","modification":"2025-04-26T16:36:58.162Z","creation":"2025-04-06T15:13:33.598Z"},"accession":"S-EPMC11821748","cross_references":{"pubmed":["39404998"],"doi":["10.1007/s12010-024-05076-1"]}}