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A comprehensive review on natural occurrence, synthesis and biological activities of glycolipids. Carbohydr Res 2022; 516:108556. [DOI: 10.1016/j.carres.2022.108556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 03/30/2022] [Accepted: 04/05/2022] [Indexed: 01/10/2023]
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2
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Bioconversion of kitchen waste to surfactin via simultaneous enzymolysis and fermentation using mixed-culture of enzyme- producing fungi and Bacillus amyloliquefaciens HM618. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2021.108036] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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3
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Exploiting the Natural Diversity of RhlA Acyltransferases for the Synthesis of the Rhamnolipid Precursor 3-(3-Hydroxyalkanoyloxy)Alkanoic Acid. Appl Environ Microbiol 2020; 86:AEM.02317-19. [PMID: 31924623 PMCID: PMC7054101 DOI: 10.1128/aem.02317-19] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 12/18/2019] [Indexed: 01/24/2023] Open
Abstract
While rhamnolipids of the Pseudomonas aeruginosa type are commercially available, the natural diversity of rhamnolipids and their origin have barely been investigated. Here, we collected known and identified new rhlA genes encoding the acyltransferase responsible for the synthesis of the lipophilic rhamnolipid precursor 3-(3-hydroxyalkanoyloxy)alkanoic acid (HAA). Generally, all homologs were found in Betaproteobacteria and Gammaproteobacteria A likely horizontal gene transfer event into Actinobacteria is the only identified exception. The phylogeny of the RhlA homologs from Pseudomonas and Burkholderia species is consistent with the organism phylogeny, and genes involved in rhamnolipid synthesis are located in operons. In contrast, RhlA homologs from the Enterobacterales do not follow the organisms' phylogeny but form their own branch. Furthermore, in many Enterobacterales and Halomonas from the Oceanospirillales, an isolated rhlA homolog can be found in the genome. The RhlAs from Pseudomonas aeruginosa PA01, Pseudomonas fluorescens LMG 05825, Pantoea ananatis LMG 20103, Burkholderia plantarii PG1, Burkholderia ambifaria LMG 19182, Halomonas sp. strain R57-5, Dickeya dadantii Ech586, and Serratia plymuthica PRI-2C were expressed in Escherichia coli and tested for HAA production. Indeed, except for the Serratia RhlA, HAAs were produced with the engineered strains. A detailed analysis of the produced HAA congeners by high-performance liquid chromatography coupled to tandem mass spectrometry (HPLC-MS/MS) highlights the congener specificity of the RhlA proteins. The congener length varies from 4 to 18 carbon atoms, with the main congeners consisting of different combinations of saturated or monounsaturated C10, C12, and C14 fatty acids. The results are discussed in the context of the phylogeny of this unusual enzymatic activity.IMPORTANCE The RhlA specificity explains the observed differences in 3-(3-hydroxyalkanoyloxy)alkanoic acid (HAA) congeners. Whole-cell catalysts can now be designed for the synthesis of different congener mixtures of HAAs and rhamnolipids, thereby contributing to the envisaged synthesis of designer HAAs.
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4
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Assessment of biotechnological potentials of strains isolated from repasso olive pomace in Tunisia. ANN MICROBIOL 2019. [DOI: 10.1007/s13213-019-01499-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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5
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Pirog TP. THE PROPERTIES OF SURFACTANTS SYNTHESIZED BY Acinetobacter calcoaceticus ІMV В-7241 ON REFINED AND WASTE SUNFLOWER OIL. BIOTECHNOLOGIA ACTA 2018. [DOI: 10.15407/biotech11.06.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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6
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Phetcharat T, Dawkrajai P, Chitov T, Wongpornchai P, Saenton S, Mhuantong W, Kanokratana P, Champreda V, Bovonsombut S. Effect of inorganic nutrients on bacterial community composition in oil-bearing sandstones from the subsurface strata of an onshore oil reservoir and its potential use in Microbial Enhanced Oil Recovery. PLoS One 2018; 13:e0198050. [PMID: 30496176 PMCID: PMC6264815 DOI: 10.1371/journal.pone.0198050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 11/14/2018] [Indexed: 11/18/2022] Open
Abstract
Microbial Enhanced Oil Recovery (MEOR) is a promising strategy to improve recovery of residual oil in reservoirs, which can be performed by promoting specific indigenous microorganisms. In this study, we performed preliminary evaluation of the possibility of conducting MEOR at Mae Soon reservoir, an onshore reservoir in Northern Thailand. The reservoir’s physicochemical characteristics, including the characteristics of the wells, the oil-bearing sandstone cores, and the reservoir’s produced water, were determined. The microbiological characteristics of the oil wells in the reservoir were also investigated by submerging the reservoir’s sandstone core samples, obtained from 6 oil wells, in the reservoir’s produced water and in the produced water added with inorganic nutrients (KNO3 and NaH2PO4). The uncultured bacteria in both treatments were determined, using tagged 16S rRNA gene amplicon with Ion Torrent Sequencing Analysis. The effects of inorganic nutrients and the reservoir’s parameters on the bacterial communities were analysed. A total number of 16,828 OTUs were taxonomically classified into 89 classes and 584 genera. In the controls (sandstone cores submerged in the produced water), the dominant bacterial populations were related to Deinococcus-Thermus, and Betaproteobacteria; while in the nutrient treated samples, there was a marked increase in the relative abundance of Gammaproteobacteria in three samples. Thermus, Acinetobacter, and Pseudomonas were the most abundant genera, and these are potential microorganisms for MEOR. Analysis of correlations between physiochemical properties of the reservoir and bacterial genera, using spearman’s correlation analysis, suggested that some of the reservoir’s properties, especially of the well and the rock, could influence some bacterial genera. To our knowledge, this is the first demonstration of the effect of inorganic nutrients on alteration of bacterial communities attached to reservoir’s rock, and how the bacterial, physical, and chemical properties of a reservoir were co-analysed to serve as a basis for designing a MEOR process.
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Affiliation(s)
- Thanachai Phetcharat
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, Chiang Mai, Thailand
- Environmental Science Research Centre (ESRC), Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Pinan Dawkrajai
- Northern Petroleum Development Centre (NPDC), Defence Energy Department, Chiang Mai, Thailand
| | - Thararat Chitov
- Environmental Science Research Centre (ESRC), Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Pisanu Wongpornchai
- Department of Geological Sciences, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Schradh Saenton
- Department of Geological Sciences, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
| | - Wuttichai Mhuantong
- Enzyme Technology Laboratory, The National Centre for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Pattanop Kanokratana
- Enzyme Technology Laboratory, The National Centre for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Verawat Champreda
- Enzyme Technology Laboratory, The National Centre for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Sakunnee Bovonsombut
- Environmental Science Research Centre (ESRC), Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
- * E-mail:
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7
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García-Reyes S, Yáñez-Ocampo G, Wong-Villarreal A, Rajaretinam RK, Thavasimuthu C, Patiño R, Ortiz-Hernández ML. Partial characterization of a biosurfactant extracted from Pseudomonas sp. B0406 that enhances the solubility of pesticides. ENVIRONMENTAL TECHNOLOGY 2018; 39:2622-2631. [PMID: 28783001 DOI: 10.1080/21622515.2017.1363295] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Biodegradation of some organochlorine and organophosphate pesticides is difficult because of their low solubility in water and, therefore, their low bioavailability. To overcome the hydrophobicity problem and the limited pesticide availability, biosurfactants play a major role. In this study, we evaluated the effect of an extract from Pseudomonas sp. B0406 strain with surfactant properties, on the solubility of two pesticides: endosulfan (ED) and methyl parathion (MP). Such a process was performed in order to increase the aqueous solubility of both pesticides, to increase its availability to microorganisms and to promote their biodegradation. The extract from Pseudomonas sp. B0406 showed a critical micellar concentration of 1.4 g/L and the surface tension at that point was 40.4 mN/m. The preliminary chemical and physical partial characterization of the extract with surfactant properties indicated that it is an anionic glycolipid, which increases the solubility of both pesticides of 0.41 at 0.92 mg/L for ED and of 34.58 at 48.10 mg/L for MP. The results of this study suggest the effectiveness of this extract in improving the solubility of both pesticides ED and MP in water and, therefore, of its potential use to enhance the degradation of these pesticides.
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Affiliation(s)
- Selene García-Reyes
- a Laboratorio de Investigaciones Ambientales, Centro de Investigación en Biotecnología , Universidad Autónoma del Estado de Morelos , Cuernavaca Morelos , Mexico
| | - Gustavo Yáñez-Ocampo
- b Laboratorio de Edafología y Ambiente, Facultad de Ciencias , Universidad Autónoma del Estado de México , Toluca Estado de México , Mexico
| | - Arnoldo Wong-Villarreal
- c División Agroalimentaria , Universidad Tecnológica de la Selva , Ocosingo Chiapas , Mexico
| | - Rajesh Kannan Rajaretinam
- d International Centre for Nanobiotechnology (ICN), Centre for Marine Science and Technology (CMST) , Manonmaniam Sundaranar University , Kanyakumari , Tamil Nadu , India
| | - Citarasu Thavasimuthu
- e Centre for Marine Science and Technology , Manonmaniam Sundaranar University , Kanyakumari , Tamil Nadu , India
| | - Rodrigo Patiño
- f Departamento de Física Aplicada, Centro de Investigación y de Estudios Avanzados , Unidad Mérida , Mérida Yucatán , Mexico
| | - Ma Laura Ortiz-Hernández
- a Laboratorio de Investigaciones Ambientales, Centro de Investigación en Biotecnología , Universidad Autónoma del Estado de Morelos , Cuernavaca Morelos , Mexico
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8
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Glycolipid biosurfactant as an eco-friendly microbial inhibitor for the corrosion of carbon steel in vulnerable corrosive bacterial strains. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.04.045] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Zenati B, Chebbi A, Badis A, Eddouaouda K, Boutoumi H, El Hattab M, Hentati D, Chelbi M, Sayadi S, Chamkha M, Franzetti A. A non-toxic microbial surfactant from Marinobacter hydrocarbonoclasticus SdK644 for crude oil solubilization enhancement. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 154:100-107. [PMID: 29454985 DOI: 10.1016/j.ecoenv.2018.02.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 02/06/2018] [Accepted: 02/08/2018] [Indexed: 05/23/2023]
Abstract
This study aims to investigate the ability of a biosurfactant produced by Marinobacter hydrocarbonoclasticus strain SdK644 isolated from hydrocarbon contaminated sediment to enhance the solubilization rate of crude oil contaminated seawater. Phylogenetic analysis shows that strain SdK644 was very closely related to M. hydrocarbonoclasticus with 16S rRNA gene sequence similarity of 97.44%. Using waste frying oil as inducer carbon source, the producing biosurfactant by strain SdK644 was applied to improve crude oil solubilization in seawater. The preliminary characterization of the produced biosurfactant by FT-IR analysis indicates its possible classification in a glycolipids group. Results from crude oil solubilization assay showed that SdK644 strain biosurfactant was 2-fold greater than Tween 80 surfactant in crude oil solubilization and 12-fold higher than seawater control, as shown by GC-MS analysis of aliphatic compounds. Furthermore, this bioactive compound was shown to be nontoxic against Artemia larvae in short-term acute toxicity bioassay. Generally, the results showed the possible use of M. hydrocarbonoclasticus strain SdK644 biosurfactant in bioremediation processes of the marine environments.
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Affiliation(s)
- Billal Zenati
- Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), University of Blida, 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria; National Centre for Research and Development of Fisheries and Aquaculture (CNRDPA), 11, Bd Amirouche PO Box 67, Bou Ismail 42415, Tipaza, Algeria.
| | - Alif Chebbi
- Laboratory of Environmental Bioprocesses (LEBP), LMI COSYS-Med, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia
| | - Abdelmalek Badis
- Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), University of Blida, 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria
| | - Kamel Eddouaouda
- Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), University of Blida, 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria
| | - Hocine Boutoumi
- Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), University of Blida, 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria
| | - Mohamed El Hattab
- Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), University of Blida, 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria
| | - Dorra Hentati
- Laboratory of Environmental Bioprocesses (LEBP), LMI COSYS-Med, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia
| | - Manel Chelbi
- Laboratory of Environmental Bioprocesses (LEBP), LMI COSYS-Med, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia
| | - Sami Sayadi
- Laboratory of Environmental Bioprocesses (LEBP), LMI COSYS-Med, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia
| | - Mohamed Chamkha
- Laboratory of Environmental Bioprocesses (LEBP), LMI COSYS-Med, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia
| | - Andrea Franzetti
- Department of Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy
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Andreadou E, Pantazaki AA, Daniilidou M, Tsolaki M. Rhamnolipids, Microbial Virulence Factors, in Alzheimer's Disease. J Alzheimers Dis 2018; 59:209-222. [PMID: 28598837 DOI: 10.3233/jad-161020] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Alzheimer's disease (AD) has been attributed to chronic bacterial infections. The recognition of human microbiota as a substantial contributor to health and disease is relatively recent and growing. During evolution, mammals live in a symbiotic state with myriads of microorganisms that survive at a diversity of tissue micro-surroundings. Microbes produce a plethora of secretory products [amyloids, lipopolysaccharides, virulence factors rhamnolipids (RLs), toxins, and a great number of neuroactive compounds]. The contribution of infectious microbial components to the pathophysiology of the human central nervous system including AD is considered potentially substantial, but the involvement of the RLs has never been reported. Here, RLs were isolated from serum and identified through various conventional methods including the colorimetric orcinol method, thin-layer chromatography, attenuated total reflection Fourier transform infrared (ATR-FTIR), and dot blot using antibodies against RLs. Dot blot demonstrated elevated RL levels in sera of AD patients compared to controls (p = 0.014). Moreover, ELISA showed similarly elevated RL levels in cerebrospinal fluid of both AD (0.188 versus 0.080) (p = 0.04) and mild cognitive impairment (0.188 versus 0.129) (p = 0.088) patients compared to healthy, and are well-correlated with the AD stages severity assessed using the Mini-Mental State Examination. These results provide conclusive evidence for the newly-reported implication of RLs in AD, adding it to the list of bacterial components, opening new avenues for AD investigation. Moreover, they strengthen and vindicate the divergence of research toward the exploration of bacterial involvement in AD generation and progression.
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Affiliation(s)
- Eleni Andreadou
- Department of Chemistry, Laboratory of Biochemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Anastasia A Pantazaki
- Department of Chemistry, Laboratory of Biochemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Makrina Daniilidou
- Department of Chemistry, Laboratory of Biochemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Magda Tsolaki
- 3rd Department of Neurology, "G. Papanikolaou" General Hospital of Thessaloniki, Aristotle University of Thessaloniki, Greece
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11
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Liu G, Zhong H, Yang X, Liu Y, Shao B, Liu Z. Advances in applications of rhamnolipids biosurfactant in environmental remediation: A review. Biotechnol Bioeng 2018; 115:796-814. [PMID: 29240227 DOI: 10.1002/bit.26517] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 10/05/2017] [Accepted: 12/04/2017] [Indexed: 12/30/2022]
Abstract
The objective of this review is to provide a comprehensive overview of the advances in the applications of rhamnolipids biosurfactants in soil and ground water remediation for removal of petroleum hydrocarbon and heavy metal contaminants. The properties of rhamnolipids associated with the contaminant removal, that is, solubilization, emulsification, dispersion, foaming, wetting, complexation, and the ability to modify bacterial cell surface properties, were reviewed in the first place. Then current remediation technologies with integration of rhamnolipid were summarized, and the effects and mechanisms for rhamnolipid to facilitate contaminant removal for these technologies were discussed. Finally rhamnolipid-based methods for remediation of the sites co-contaminated by petroleum hydrocarbons and heavy metals were presented and discussed. The review is expected to enhance our understanding on environmental aspects of rhamnolipid and provide some important information to guide the extending use of this fascinating chemical in remediation applications.
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Affiliation(s)
- Guansheng Liu
- State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, Hubei, China.,School of Water Resources and Hydropower Engineering, Wuhan University, Wuhan, Hubei, China
| | - Hua Zhong
- State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, Hubei, China.,School of Water Resources and Hydropower Engineering, Wuhan University, Wuhan, Hubei, China
| | - Xin Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, China
| | - Yang Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, China
| | - Binbin Shao
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, China
| | - Zhifeng Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, China
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12
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Chaiyaso T, Manowattana A. Enhancement of carotenoids and lipids production by oleaginous red yeast Sporidiobolus pararoseus KM281507. Prep Biochem Biotechnol 2018; 48:13-23. [PMID: 29035150 DOI: 10.1080/10826068.2017.1381620] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bioconversion of biodiesel-derived crude glycerol into carotenoids and lipids was investigated by a microbial conversion of an oleaginous red yeast Sporidiobolus pararoseus KM281507. The methanol content in crude glycerol (0.5%, w/v) did not show a significant effect on biomass production by strain KM281507. However, demethanolized crude glycerol significantly supported the production of biomass (8.64 ± 0.13 g/L), lipids (2.92 ± 0.03 g/L), β-carotene (15.76 ± 0.85 mg/L), and total carotenoids (33.67 ± 1.28 mg/L). The optimal conditions suggested by central composite design were crude glycerol concentration (55.04 g/L), initial pH of medium (pH 5.63) and cultivation temperature (24.01°C). Under these conditions, the production of biomass, lipids, β-carotene, and total carotenoids were elevated up to 8.83 ± 0.05, 4.00 ± 0.06 g/L, 27.41 ± 0.20, and 53.70 ± 0.48 mg/L, respectively. Moreover, an addition of olive oil (0.5 - 2.0%) dramatically increased the production of biomass (14.47 ± 0.15 g/L), lipids (6.40 ± 0.09 g/L), β-carotene (54.43 ± 0.95 mg/L), and total carotenoids (70.92 ± 0.51 mg/L). The oleic acid content in lipids was also increased to 75.1% (w/w) of total fatty acids, indicating a good potential to be an alternative biodiesel feedstock. Meanwhile, the β-carotene content in total carotenoids was increased to 76.7% (w/w). Hence, strain KM281507 could be a good potential source of renewable biodiesel feedstock and natural carotenoids.
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Affiliation(s)
- Thanongsak Chaiyaso
- a Division of Biotechnology, Faculty of Agro-Industry , Chiang Mai University , Chiang Mai , Thailand
| | - Atchara Manowattana
- a Division of Biotechnology, Faculty of Agro-Industry , Chiang Mai University , Chiang Mai , Thailand
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13
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Sathi Reddy K, Yahya Khan M, Archana K, Gopal Reddy M, Hameeda B. Utilization of mango kernel oil for the rhamnolipid production by Pseudomonas aeruginosa DR1 towards its application as biocontrol agent. BIORESOURCE TECHNOLOGY 2016; 221:291-299. [PMID: 27643738 DOI: 10.1016/j.biortech.2016.09.041] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 09/08/2016] [Accepted: 09/09/2016] [Indexed: 06/06/2023]
Abstract
Mango kernel oil (MKO), derived from mango kernels, considered to be one of the highly generated agro-industrial waste, is assessed for its use as substrate for sustainable production of rhamnolipids. In the present study, MKO in combination with glucose gave maximum rhamnolipid yield of 2.8g/l which reduced the surface tension of water from 72 to 30mN/m, holding a CMC of 80mg/l and also showed high emulsification activity (73%) with diesel. Cell free broth was found to be stable even at high temperature (autoclaved at 121°C for 30min), pH value (up to pH 12) and salinity (up to 20% NaCl). The LC-MS data showed mono-rhamnolipid to be predominant congener followed by di-rhamnolipid in presence of MKO. Whereas, di-rhamnolipid was abundant when a combination of MKO with glucose was used. The produced rhamnolipid mixture showed good antifungal activity against various phytopathogens.
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Affiliation(s)
- K Sathi Reddy
- Department of Microbiology, Osmania University, Hyderabad 500 007, India
| | - M Yahya Khan
- Department of Microbiology, Osmania University, Hyderabad 500 007, India
| | - K Archana
- Department of Microbiology, Osmania University, Hyderabad 500 007, India
| | - M Gopal Reddy
- Department of Microbiology, Osmania University, Hyderabad 500 007, India
| | - Bee Hameeda
- Department of Microbiology, Osmania University, Hyderabad 500 007, India.
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Jirku V, Cejkova A, Schreiberova O, Jezdik R, Masak J. Multicomponent biosurfactants — A “Green Toolbox” extension. Biotechnol Adv 2015; 33:1272-6. [DOI: 10.1016/j.biotechadv.2015.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Revised: 02/12/2015] [Accepted: 03/06/2015] [Indexed: 11/27/2022]
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15
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Abstract
Natural surfactants or biosurfactants are amphiphilic biological compounds, usually extracellular, produced by a variety of microorganisms from various substances including waste materials.
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Affiliation(s)
- Sourav De
- Department of Chemistry
- The University of Burdwan
- Burdwa
- India
| | - Susanta Malik
- Department of Chemistry
- The University of Burdwan
- Burdwa
- India
| | | | - Rumpa Saha
- Department of Chemistry
- TDB College Raniganj
- Raniganj
- India
| | - Bidyut Saha
- Department of Chemistry
- The University of Burdwan
- Burdwa
- India
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16
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Setoodeh P, Jahanmiri A, Eslamloueyan R, Niazi A, Ayatollahi SS, Aram F, Mahmoodi M, Hortamani A. Statistical screening of medium components for recombinant production of Pseudomonas aeruginosa ATCC 9027 rhamnolipids by nonpathogenic cell factory Pseudomonas putida KT2440. Mol Biotechnol 2014; 56:175-91. [PMID: 23943464 DOI: 10.1007/s12033-013-9693-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Rhamnolipids (RLs) produced by the opportunistic human pathogen Pseudomonas aeruginosa are considered as potential candidates for the next generation of surfactants. Large-scale production of RLs depends on progress in strain engineering, medium design, operating strategies, and purification procedures. In this work, the rhlAB genes extracted from a mono_RLs_producing strain of P. aeruginosa (ATCC 9027) were introduced to an appropriate safety host Pseudomonas putida KT2440. The capability of the recombinant strain was evaluated in various media. As a prerequisite for optimal medium design, a set of 32 experiments was performed in two steps for screening a number of macro-nutritional compounds. In the experiments, a two-level fractional factorial design resolution IV was followed by a two-level full factorial one. By means of this approach, it was observed that glycerol, yeast extract, and peptone have significant positive influence on recombinant RLs production while the yeast extract/peptone two-factor and glycerol/yeast extract/peptone three-factor interactions have considerable negative effects. A wide range of variation from 0 to 570 mg/l was obtained for RLs production during the screening experiments indicating the importance of medium optimization. The results point out the opportunity for possible higher yields of RLs through further screening, mixture/combined mixture designs, and high-cell-density cultivations.
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Affiliation(s)
- Payam Setoodeh
- School of Chemical and Petroleum Engineering, Shiraz University, Molasadra St., Shiraz, Iran
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17
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Development of an Antibody for Detection of Rhamnolipids Characterized as a Major Bacterial Virulence Factor. Antibodies (Basel) 2013. [DOI: 10.3390/antib2030501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Huang KS, Wang CY, Yang CH, Grumezescu AM, Lin YS, Kung CP, Lin IY, Chang YC, Weng WJ, Wang WT. Synthesis and characterization of oil-chitosan composite spheres. Molecules 2013; 18:5749-60. [PMID: 23681059 PMCID: PMC6270591 DOI: 10.3390/molecules18055749] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 04/29/2013] [Accepted: 05/09/2013] [Indexed: 11/25/2022] Open
Abstract
Oil-chitosan composite spheres were synthesized by encapsulation of sunflower seed oil in chitosan droplets, dropping into NaOH solution and in situ solidification. Hydrophilic materials (i.e., iron oxide nanoparticles) and lipophilic materials (i.e., rhodamine B or epirubicin) could be encapsulated simultaneously in the spheres in a one step process. The diameters of the prepared spheres were 2.48 ± 0.11 mm (pure chitosan spheres), 2.31 ± 0.08 mm (oil-chitosan composites), 1.49 ± 0.15 mm (iron-oxide embedded oil-chitosan composites), and 1.69 ± 0.1 mm (epirubicin and iron oxide encapsulated oil-chitosan composites), respectively. Due to their superparamagnetic properties, the iron-oxide embedded oil-chitosan composites could be guided by a magnet. A lipophilic drug (epirubicin) could be loaded in the spheres with encapsulation rate measured to be 72.25%. The lipophilic fluorescent dye rhodamine B was also loadable in the spheres with red fluorescence being observed under a fluorescence microscope. We have developed a novel approach to an in situ process for fabricating oil-chitosan composite spheres with dual encapsulation properties, which are potential multifunctional drug carriers.
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Affiliation(s)
- Keng-Shiang Huang
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
| | - Chih-Yu Wang
- Department of Biomedical Engineering, I-Shou University, Kaohsiung 82445, Taiwan
| | - Chih-Hui Yang
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
| | - Alexandru Mihai Grumezescu
- Faculty of Applied Chemistry and Materials Science, Department of Science and Engineering of Oxidic Materials and Nanomaterials, University Politehnica of Bucharest, Bucharest 011061, Romania; E-Mail:
| | - Yung-Sheng Lin
- Department of Applied Cosmetology and Master Program of Cosmetic Science, Hungkuang University, Taichung 43302, Taiwan; E-Mail:
| | - Chao-Pin Kung
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
| | - I-Yin Lin
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
| | - Yi-Ching Chang
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
| | - Wei-Jie Weng
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
| | - Wei-Ting Wang
- The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan; E-Mails: (K.-S.H.); (C.-P.K.); (I.-Y.L.); (Y.-C.C.); (W.-J.W.); (W.-T.W.)
- Department of Biological Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan; E-Mail:
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Hošková M, Schreiberová O, Ježdík R, Chudoba J, Masák J, Sigler K, Rezanka T. Characterization of rhamnolipids produced by non-pathogenic Acinetobacter and Enterobacter bacteria. BIORESOURCE TECHNOLOGY 2013; 130:510-516. [PMID: 23313768 DOI: 10.1016/j.biortech.2012.12.085] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 12/11/2012] [Accepted: 12/12/2012] [Indexed: 06/01/2023]
Abstract
Rhamnolipid production by two non-pathogenic bacterial strains Acinetobacter calcoaceticus and Enterobacter asburiae, and established rhamnolipid producer Pseudomonas aeruginosa was investigated. Rhamnolipids were separated from supernatant and further purified by thin-layer chromatography. Mass spectrometry with negative electrospray ionization revealed rhamnolipid homologues varying in chain length and unsaturation. Tandem mass spectrometry identified mono-rhamnolipid and di-rhamnolipid homologues containing one or two 3-hydroxy fatty acids. Several media differing in carbon (sunflower oil, glycerol and sodium citrate), nitrogen (ammonium ions, nitrate) and phosphorus (total content) source, respectively, were tested to obtain enhanced rhamnolipid production. The best production (0.56g/l) was obtained when nitrate was used as a nitrogen source. Both strains produced rhamnolipids that exhibited excellent emulsification activity with aromatic and aliphatic hydrocarbons and several plant oils. Unlike P. aeruginosa the two strains, i.e. Acinetobacter and Enterobacter, are not pathogenic to humans.
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Affiliation(s)
- Miriam Hošková
- Institute of Chemical Technology Prague, Department of Biotechnology, Technická 5, 166 28 Prague 6, Czech Republic
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Nott K, Richard G, Laurent P, Jérôme C, Blecker C, Wathelet JP, Paquot M, Deleu M. Enzymatic synthesis and surface properties of novel rhamnolipids. Process Biochem 2013. [DOI: 10.1016/j.procbio.2012.11.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Řezanka T, Siristova L, Sigler K. Rhamnolipid-producing thermophilic bacteria of species Thermus and Meiothermus. Extremophiles 2011; 15:697-709. [DOI: 10.1007/s00792-011-0400-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Accepted: 09/16/2011] [Indexed: 10/17/2022]
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Pantazaki AA, Papaneophytou CP, Lambropoulou DA. Simultaneous polyhydroxyalkanoates and rhamnolipids production by Thermus thermophilus HB8. AMB Express 2011; 1:17. [PMID: 21906373 PMCID: PMC3222317 DOI: 10.1186/2191-0855-1-17] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2011] [Accepted: 07/13/2011] [Indexed: 11/10/2022] Open
Abstract
The ability of Thermus thermophilus HB8 to produce simultaneously two environmentally-friendly biodegradable products, polyhydroxyalkanoates (PHAs) and rhamnolipids (RLs), using either sodium gluconate or glucose as sole carbon source, was demonstrated. The utilization of sodium gluconate resulted in higher levels of PHAs and RLs production than when glucose was used as sole carbon source. The initial phosphate concentration (as PO43-) influences both PHAs and RLs productions that were increased during cultivation time. PHAs accumulation was enhanced (> 300 mg/L) after 72 h of cultivation in an initial [PO43-] of 25 mM, while RLs production (> 200 mg/L) was started after 35 h and continued until 72 h of cultivation, in a phosphate-limited medium containing initially 5 mM of [PO43-]. In addition, the combine effect of initial [PO43-] and cultivation time on biomass, PHAs and RLs production was evaluated from 2D contour plots. The results revealed that low initial phosphate concentrations (up to 5 mM) and long incubation time (72 h) promoted RLs biosynthesis while higher initial phosphate concentrations (up to 25 mM) where favorable for biomass and PHAs production. The molecular composition of the produced bio-products was identified. The accumulated PHAs were co-polymers which mainly consisted of 3-hydroxydecanoate (3HD) as resulted by gas chromatography (GC) analysis. The secreted RLs were extracted and their total mixture contained both mono- and di- RLs identified by thin-layer chromatography (TLC). Moreover, the molecular composition of the produced RLs characterized in details by LC-MS analysis showed a plethora of diversity including mono-, and di-RLs, di-rhamno-monolipidic congeners differing in the length of the lipidic chain, which additionally were found to be saturated or unsaturated in some cases.
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Pantazaki AA, Choli-Papadopoulou T. On the Thermus thermophilus HB8 potential pathogenicity triggered from rhamnolipids secretion: morphological alterations and cytotoxicity induced on fibroblastic cell line. Amino Acids 2011; 42:1913-26. [DOI: 10.1007/s00726-011-0917-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Accepted: 04/08/2011] [Indexed: 11/30/2022]
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