{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T00:00:12Z","timestamp":1784246412072,"version":"3.55.0"},"reference-count":38,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,8,24]],"date-time":"2022-08-24T00:00:00Z","timestamp":1661299200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Engineering in Life Sciences"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Bio surfactants are natural surfactants that induce emulsification, displacement, increased solubility, and mobility of hydrophobic organic compounds. In this study, the gene expression of biosurfactant production genes by\n                    <jats:italic>Pseudomonas aeruginosa<\/jats:italic>\n                    in the presence of sodium dodecyl sulfate coated iron nanostructure (Fe\/SDS) were evaluated. Emulsification Index and Surface Tension reduction test to check stability and emulsification the rhamnolipid were done. Purification was evaluated using thin layer chromatography (TLC) and expression of\n                    <jats:italic>rhlA<\/jats:italic>\n                    ,\n                    <jats:italic>mvfR, lasR, rhlR<\/jats:italic>\n                    genes was determined using q\u2010PCR technique. Binding of nanoparticles to bio surfactants was confirmed by TEM. The best emulsification index, was by the sample that exposed to 1 mg\/L Fe\/SDS nanoparticles for 2 days. Rhamnolipid produced in the presence of nanoparticles had an acceptable ability to reduce surface tension. The Rf (retention factor) value obtained was 0.63 by chromatography. q\u2010PCR results showed that the expression\n                    <jats:italic>of rhlA, mvfR, lasR, rhlR<\/jats:italic>\n                    genes was significantly increased in Fe\/SDS treated cells, which indicates the significant positive effect (\n                    <jats:italic>P<\/jats:italic>\n                    &lt; 0.05) of nanoparticles on biosurfactant production of treated cells. While, SDS and Fe alone were not affected significantly (\n                    <jats:italic>P<\/jats:italic>\n                    &gt; 0.05) on the expression of these genes. Our findings indicated the importance of nanoparticles in increasing the expression of genes involved in the bio surfactant production pathway of\n                    <jats:italic>Pseudomonas aeruginosa<\/jats:italic>\n                    .\n                  <\/jats:p>","DOI":"10.1002\/elsc.202200002","type":"journal-article","created":{"date-parts":[[2022,8,24]],"date-time":"2022-08-24T08:16:23Z","timestamp":1661328983000},"page":"584-593","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["RETRACTED: Evaluation of SDS\u2010coated iron nanostructure on the gene expression of bio surfactant\u2010producing genes by\n                    <i>Pseudomonas aeruginosa<\/i>"],"prefix":"10.1002","volume":"22","author":[{"given":"Yaser","family":"Ahsani Arani","sequence":"first","affiliation":[{"name":"Department of Biology Science and Research Branch Islamic Azad University  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zahra","family":"Noormohammadi","sequence":"additional","affiliation":[{"name":"Department of Biology Science and Research Branch Islamic Azad University  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Behnam","family":"Rasekh","sequence":"additional","affiliation":[{"name":"Environment &amp; Biotechnology Research Division Research Institute of Petroleum Industry (RIPI)  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatemeh","family":"Yazdian","sequence":"additional","affiliation":[{"name":"Department of Life Science Engineering Faculty of New Science and Technologies University of Tehran  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hojjat","family":"kazemi","sequence":"additional","affiliation":[{"name":"Analytical Chemistry Research Group Research Institute of Petroleum Industry (RIPI)  Tehran Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,8,24]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.3109\/07388551.2016.1163324"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.3389\/fmolb.2021.727070"},{"key":"e_1_2_8_4_1","first-page":"41","volume-title":"Chapter 2 \u2013 Diversity and Classification of Microbial Surfactants, Biobased Surfactants","author":"Henkel M","year":"2019"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.6026\/97320630014304"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.4172\/2375-446X.1000112"},{"issue":"17","key":"e_1_2_8_7_1","first-page":"97","article-title":"Investigation of bio surfactant production by Bacillus pumilus 1529 Bacillus subtilis WPI","volume":"5","author":"Khajavi\u2010Shojaei S,h","year":"2016","journal-title":"Biol J Micro Org"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.3389\/fmicb.2021.655150"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.5812\/jjm.2662"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ces.2020.115610"},{"key":"e_1_2_8_11_1","first-page":"327","volume-title":"Bio surfactants Production and Utilization\u2010Processes","author":"Kardena E","year":"2014"},{"key":"e_1_2_8_12_1","first-page":"325","volume-title":"Biomedical Science, Engineering and Technology","author":"Fracchia L","year":"2012"},{"issue":"21200301","key":"e_1_2_8_13_1","first-page":"1","article-title":"Characterization and production of rhamnolipid biosurfactant in recombinant escherichia coli using autoinduction medium and palm oil mill effluent","volume":"64","author":"Suhandono S","year":"2021","journal-title":"Braz Arch Biol Technol"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1517-838246320140727"},{"issue":"2","key":"e_1_2_8_15_1","first-page":"41","article-title":"Synergistic effect of silver nanoparticles and streptomycin antibiotic on the MexX gene expression of pump efflux system in drug\u2010resistant Pseudomonas aeruginosa strains","volume":"30","author":"Mohammad A","year":"2022","journal-title":"J Ilam Univ Med Sci"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1093\/gbe\/evv248"},{"issue":"2","key":"e_1_2_8_17_1","first-page":"177","article-title":"Experimental and Simulation of nanoparticle capability for bio surfactant production using in MEOR","volume":"4","author":"Rezazadeh Mofradnia S","year":"2017","journal-title":"J App Biotechnol Rep"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00253-019-09618-0"},{"issue":"1","key":"e_1_2_8_19_1","article-title":"The optimization of culture medium bacillus thermoamylovorance strain EAMYO by RSM and improvement Biodesulfurization activity by starch\/iron nano particles","volume":"11","author":"Etemadi N","year":"2020","journal-title":"Modares J Biotechnol"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2018.04.191"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1002\/elsc.201900163"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.biortech.2011.03.074"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1319175111"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.biologicals.2013.11.001"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.3855\/jidc.2543"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11356-018-3418-8"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.msec.2013.05.026"},{"issue":"1","key":"e_1_2_8_28_1","first-page":"1","article-title":"Enhancement of Pseudomonas Aeruginosa growth and rhamnolipid production using iron\u2010silica nanoparticles in low\u2010cost medium","volume":"8","author":"Sahebnazar Z","year":"2018","journal-title":"J Nanostruct"},{"key":"e_1_2_8_29_1","doi-asserted-by":"publisher","DOI":"10.1186\/1477-3155-9-34"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.2298\/JSC110211156R"},{"issue":"48","key":"e_1_2_8_31_1","first-page":"1","article-title":"Effect of Fe nanoparticle on growth and glycolipid bio surfactant production under solid state culture by marine Nocardiopsis sp. 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