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Kim H, Kim Y, Roh GH, Kim YH. Comparison of Preference for Chemicals Associated with Fruit Fermentation between Drosophila melanogaster and Drosophila suzukii and between Virgin and Mated D. melanogaster. INSECTS 2023; 14:382. [PMID: 37103197 PMCID: PMC10145260 DOI: 10.3390/insects14040382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/06/2023] [Accepted: 04/13/2023] [Indexed: 06/19/2023]
Abstract
Two taxonomically similar Drosophila species, Drosophila melanogaster and Drosophila suzukii, are known to have distinct habitats: D. melanogaster is mostly found near overripe and fermented fruits, whereas D. suzukii is attracted to fresh fruits. Since chemical concentrations are typically higher in overripe and fermented fruits than in fresh fruits, D. melanogaster is hypothesized to be attracted to higher concentrations of volatiles than D. suzukii. Therefore, the chemical preferences of the two flies were compared via Y-tube olfactometer assays and electroantennogram (EAG) experiments using various concentrations of 2-phenylethanol, ethanol, and acetic acid. D. melanogaster exhibited a higher preference for high concentrations of all the chemicals than that of D. suzukii. In particular, since acetic acid is mostly produced at the late stage of fruit fermentation, the EAG signal distance to acetic acid between the two flies was higher than those to 2-phenylethanol and ethanol. This supports the hypothesis that D. melanogaster prefers fermented fruits compared to D. suzukii. When comparing virgin and mated female D. melanogaster, mated females showed a higher preference for high concentrations of chemicals than that of virgin females. In conclusion, high concentrations of volatiles are important attraction factors for mated females seeking appropriate sites for oviposition.
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Affiliation(s)
- Hyemin Kim
- Department of Ecological Science, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
| | - YeongHo Kim
- Department of Ecological Science, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
| | - Gwang Hyun Roh
- Department of Plant Medicine and Institute of Agriculture & Life Sciences, Gyeongsang National University, Jinju-si 52828, Gyeongsangnam-do, Republic of Korea
| | - Young Ho Kim
- Department of Ecological Science, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
- Research Institute of Invertebrate Vector, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
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Salazar Y, Valle PA, Rodríguez E, Soto-Cruz NO, Páez-Lerma JB, Reyes-Sánchez FJ. Mechanistic Modelling of Biomass Growth, Glucose Consumption and Ethanol Production by Kluyveromyces marxianus in Batch Fermentation. ENTROPY (BASEL, SWITZERLAND) 2023; 25:497. [PMID: 36981385 PMCID: PMC10047689 DOI: 10.3390/e25030497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
This paper presents results concerning mechanistic modeling to describe the dynamics and interactions between biomass growth, glucose consumption and ethanol production in batch culture fermentation by Kluyveromyces marxianus (K. marxianus). The mathematical model was formulated based on the biological assumptions underlying each variable and is given by a set of three coupled nonlinear first-order Ordinary Differential Equations. The model has ten parameters, and their values were fitted from the experimental data of 17 K. marxianus strains by means of a computational algorithm design in Matlab. The latter allowed us to determine that seven of these parameters share the same value among all the strains, while three parameters concerning biomass maximum growth rate, and ethanol production due to biomass and glucose had specific values for each strain. These values are presented with their corresponding standard error and 95% confidence interval. The goodness of fit of our system was evaluated both qualitatively by in silico experimentation and quantitative by means of the coefficient of determination and the Akaike Information Criterion. Results regarding the fitting capabilities were compared with the classic model given by the logistic, Pirt, and Luedeking-Piret Equations. Further, nonlinear theories were applied to investigate local and global dynamics of the system, the Localization of Compact Invariant Sets Method was applied to determine the so-called localizing domain, i.e., lower and upper bounds for each variable; whilst Lyapunov's stability theories allowed to establish sufficient conditions to ensure asymptotic stability in the nonnegative octant, i.e., R+,03. Finally, the predictive ability of our mechanistic model was explored through several numerical simulations with expected results according to microbiology literature on batch fermentation.
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Affiliation(s)
- Yolocuauhtli Salazar
- Postgraduate Program in Engineering, Tecnológico Nacional de México/IT Durango, Blvd. Felipe Pescador 1830 Ote., Durango 34080, Mexico
| | - Paul A. Valle
- Postgraduate Program in Engineering Sciences, BioMath Research Group, Tecnológico Nacional de México/IT Tijuana, Blvd. Alberto Limón Padilla s/n, Tijuana 22454, Mexico
| | - Emmanuel Rodríguez
- Postgraduate Program in Engineering Sciences, BioMath Research Group, Tecnológico Nacional de México/IT Tijuana, Blvd. Alberto Limón Padilla s/n, Tijuana 22454, Mexico
| | - Nicolás O. Soto-Cruz
- Departamento de Ingenierías Química y Bioquímica, Tecnológico Nacional de México/IT Durango, Blvd. Felipe Pescador 1830 Ote., Durango 34080, Mexico
| | - Jesús B. Páez-Lerma
- Departamento de Ingenierías Química y Bioquímica, Tecnológico Nacional de México/IT Durango, Blvd. Felipe Pescador 1830 Ote., Durango 34080, Mexico
| | - Francisco J. Reyes-Sánchez
- Departamento de Ingenierías Química y Bioquímica, Tecnológico Nacional de México/IT Durango, Blvd. Felipe Pescador 1830 Ote., Durango 34080, Mexico
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Chergui D, Akretche-Kelfat S, Lamoudi L, Al-Rshaidat M, Boudjelal F, Ait-Amar H. Optimization of citric acid production by Aspergillus niger using two downgraded Algerian date varieties. Saudi J Biol Sci 2021; 28:7134-7141. [PMID: 34867016 PMCID: PMC8626340 DOI: 10.1016/j.sjbs.2021.08.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 11/18/2022] Open
Abstract
In the present work, the GHARS and the MECH DEGLA downgraded date varieties were used in a fermentation medium in order to produce citric acid by the Aspergillus niger. The biochemical characteristics of the dates were investigated, along with the chemical and physical characteristics of the solutions of both samples. The analyzed parameters included the moisture and sugar content, the ash residual, the pH values, and the electrical conductivity. The effect of the following fermentation parameters was studied: initial pH, temperature, incubation period, and methanol. For the GHARS and MECH DEGLA date varieties respectively, the ash residual measured at 1.90% and 2.47%. For each date variety, the moisture and total sugars were measured at 11.59% and 85%, for the GHARS, and 12.82% and 80.47% for the MECH DEGLA. Citric acid production using either of the two varieties of dates showed a high yield in a short time. The obtained results showed that the highest production of citric acid by both medium of dates was achieved at the initial pH value of 3.0, temperature 30 °C, and an incubation period of 8 days. Also, the maximum amount of citric acid was produced when both mediums contained 4% of methanol. Both varieties of dates showed a good yield for the citric acid and can be used as a culture medium since they are economic and ensure good growth for the Aspergillus niger.
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Affiliation(s)
- Dallal Chergui
- Industrial Process Engineering Sciences Laboratory (LSGPI), Faculty of Engineering Mechanics and Process Engineering, Houari Boumediene University of Sciences and Technology (USTHB), BP32, 16111El Alia, Bab-Ezzouar, Algiers, Algeria
| | - Soraya Akretche-Kelfat
- Industrial Process Engineering Sciences Laboratory (LSGPI), Faculty of Engineering Mechanics and Process Engineering, Houari Boumediene University of Sciences and Technology (USTHB), BP32, 16111El Alia, Bab-Ezzouar, Algiers, Algeria
| | - Lynda Lamoudi
- Laboratory of Transfer Phenomena, Faculty of Mechanical Engineering and Process Engineering, Houari Boumediene University of Sciences and Technology (USTHB), BP32, 16111El Alia, Bab-Ezzouar, Algiers, Algeria
| | - Mamoon Al-Rshaidat
- Laboratory for Molecular and Microbial Ecology, Department of Biological Sciences, School of Sciences, The University of Jordan, 11942 Amman, Jordan
| | - Farida Boudjelal
- Biology Laboratory of Microbial Systems (LBSM), Higher Normal School (ENS) of Kouba, Algiers
- Faculty of Biological Sciences (FSB), University of Sciences and Technologies Houari Boumediene (USTHB), BP32, 16111 El Alia, Bab Ezzouar, Algiers, Algeria
| | - Hamid Ait-Amar
- Industrial Process Engineering Sciences Laboratory (LSGPI), Faculty of Engineering Mechanics and Process Engineering, Houari Boumediene University of Sciences and Technology (USTHB), BP32, 16111El Alia, Bab-Ezzouar, Algiers, Algeria
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Zentou H, Abidin ZZ, Yunus R, Awang Biak DR, Abdullah Issa M, Yahaya Pudza M. Modelling of mass transfer during pervaporation of ethanol/water mixture using polydimethylsiloxane membrane. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.09.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Tinôco D, da Silveira WB. Kinetic model of ethanol inhibition for Kluyveromyces marxianus CCT 7735 (UFV-3) based on the modified Monod model by Ghose & Tyagi. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00876-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Development and Characterization of Cornstarch-Based Bioplastics Packaging Film Using a Combination of Different Plasticizers. Polymers (Basel) 2021; 13:polym13203487. [PMID: 34685246 PMCID: PMC8539400 DOI: 10.3390/polym13203487] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 01/14/2023] Open
Abstract
This work aims to develop cornstarch (CS) based films using fructose (F), glycerol (G), and their combination (FG) as plasticizers with different ratios for food packaging applications. The findings showed that F-plasticized film had the lowest moisture content, highest crystallinity among all films, and exhibited the highest tensile strength and thermostability. In contrast, G-plasticized films showed the lowest density and water absorption with less crystallinity compared to the control and the other plasticized film. In addition, SEM results indicated that FG-plasticized films had a relatively smoother and more coherent surface among the tested films. The findings have also shown that varying the concentration of the plasticizers significantly affected the different properties of the plasticized films. Therefore, the selection of a suitable plasticizer at an appropriate concentration may significantly optimize film properties to promote the utilization of CS films for food packaging applications.
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Facilitating the industrial transition to microbial and microalgal factories through mechanistic modelling within the Industry 4.0 paradigm. Curr Opin Chem Eng 2021. [DOI: 10.1016/j.coche.2021.100713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Optimum Design of N Continuous Stirred-Tank Bioreactors in Series for Fermentation Processes Based on Simultaneous Substrate and Product Inhibition. Processes (Basel) 2021. [DOI: 10.3390/pr9081419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Optimization of the continuous fermentation process is important for increasing efficiency and decreasing cost, especially for complicated biochemical processes described by substrate and product inhibition. The optimum design (minimum volume) of CSTRs in series assuming substrate and product inhibition was determined in this study. The effect of operating parameters on the optimum design was investigated. The optimum substrate concentration in the feed to the first reactor was determined for N reactors in series. The nonlinear, constrained optimization problem was solved using the MATLAB function “fmincon”. It was found that the optimum design is more beneficial at high substrate conversion and at a medium level of feed substrate concentration. The best number of reactors is two to three for optimum arrangements and two for equal-size arrangements. The presence of biomass in the feed to the first reactor reduces the reactor volume, while the presence of product in the feed slightly increases the required total volume. The percentage reduction in the total volume using the optimum design compared to equal-volume design (R%) was determined as a function of substrate conversion and substrate concentration in the feed to the first reactor. The obtained R% values agree with experimental data available in the literature for ethanol fermentation.
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Chilakamarry CR, Sakinah AMM, Zularisam AW, Pandey A. Glycerol waste to value added products and its potential applications. SYSTEMS MICROBIOLOGY AND BIOMANUFACTURING 2021; 1:378-396. [PMID: 38624889 PMCID: PMC8182736 DOI: 10.1007/s43393-021-00036-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 02/06/2023]
Abstract
The rapid industrial and economic development runs on fossil fuel and other energy sources. Limited oil reserves, environmental issues, and high transportation costs lead towards carbon unbiased renewable and sustainable fuel. Compared to other carbon-based fuels, biodiesel is attracted worldwide as a biofuel for the reduction of global dependence on fossil fuels and the greenhouse effect. During biodiesel production, approximately 10% of glycerol is formed in the transesterification process in a biodiesel plant. The ditching of crude glycerol is important as it contains salt, free fatty acids, and methanol that cause contamination of soil and creates environmental challenges for researchers. However, the excessive cost of crude glycerol refining and market capacity encourage the biodiesel industries for developing a new idea for utilising and produced extra sources of income and treat biodiesel waste. This review focuses on the significance of crude glycerol in the value-added utilisation and conversion to bioethanol by a fermentation process and describes the opportunities of glycerol in various applications. Graphic abstract
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Affiliation(s)
- Chaitanya Reddy Chilakamarry
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, Gambang, Kuantan , Malaysia 26300
| | - A. M. Mimi Sakinah
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, Gambang, Kuantan , Malaysia 26300
| | - A. W. Zularisam
- Faculty of Civil Engineering Technology , Universiti Malaysia Pahang, Gambang, Kuantan , Malaysia 26300
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001 India
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