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Radosavljević M, Belović M, Cvetanović Kljakić A, Torbica A. Production, modification and degradation of fructans and fructooligosacharides by enzymes originated from plants. Int J Biol Macromol 2024; 269:131668. [PMID: 38649077 DOI: 10.1016/j.ijbiomac.2024.131668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 04/04/2024] [Accepted: 04/15/2024] [Indexed: 04/25/2024]
Abstract
Non-starch polysaccharides exhibit numerous beneficial health effects but compounds belonging to FODMAP (Fermentable Oligo- Di- and Monosaccharides and Polyols) has been recently connected to several gastrointestinal disorders. This review presents integrated literature data on the occurrence and types of fructans and fructooligosaccharids (classified as FODMAPs) as well as their degrading enzymes present in plants. Plants from the family Asteraceae and many monocotyledones, including families Poaceae and Liliaceae, are the most abundant sources of both fructans and fructan-degrading enzymes. So far, vast majority of publications concerning the application of these specific plants in production of bakery products is related to increase of dietary fibre content in these products. However, there is limited research on their effect on FODMAP content and fibre balance. The authors emphasize the possibility of application of enzyme rich plant extract in food production casting light on the new scientific approach to fibre modification.
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Affiliation(s)
- Miloš Radosavljević
- University of Novi Sad, Faculty of Technology, Bulevar cara Lazara 1, 21102 Novi Sad, Serbia.
| | - Miona Belović
- University of Novi Sad, Institute of Food Technology, Bulevar cara Lazara 1, 21102 Novi Sad, Serbia
| | | | - Aleksandra Torbica
- University of Novi Sad, Institute of Food Technology, Bulevar cara Lazara 1, 21102 Novi Sad, Serbia
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Lu H, Ni SQ. Review on sterilization techniques, and the application potential of phage lyase and lyase immobilization in fighting drug-resistant bacteria. J Mater Chem B 2024; 12:3317-3335. [PMID: 38380677 DOI: 10.1039/d3tb02366d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Many human health problems and property losses caused by pathogenic contamination cannot be underestimated. Bactericidal techniques have been extensively studied to address this issue of public health and economy. Bacterial resistance develops as a result of the extensive use of single or multiple but persistent usage of sterilizing drugs, and the emergence of super-resistant bacteria brings new challenges. Therefore, it is crucial to control pathogen contamination by applying innovative and effective sterilization techniques. As organisms that exist in nature and can specifically kill bacteria, phages have become the focus as an alternative to antibacterial agents. Furthermore, phage-encoded lyases are proteins that play important roles in phage sterilization. The in vitro sterilization of phage lyase has been developed as a novel biosterilization technique to reduce bacterial resistance and is more environmentally friendly than conventional sterilization treatments. For the shortcomings of enzyme applications, this review discusses the enzyme immobilization methods and the application potential of immobilized lyases for sterilization. Although some techniques provide effective solutions, immobilized lyase sterilization technology has been proven to be a more effective innovation for efficient pathogen killing and reducing bacterial resistance. We hope that this review can provide new insights for the development of sterilization techniques.
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Affiliation(s)
- Han Lu
- School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China.
| | - Shou-Qing Ni
- School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China.
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3
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Deiana L, Rafi AA, Bäckvall JE, Córdova A. Subtilisin integrated artificial plant cell walls as heterogeneous catalysts for asymmetric synthesis of ( S)-amides. RSC Adv 2023; 13:19975-19980. [PMID: 37404321 PMCID: PMC10316683 DOI: 10.1039/d3ra02193a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/19/2023] [Indexed: 07/06/2023] Open
Abstract
Subtilisin integrated artificial plant-cell walls (APCWs) were fabricated by self-assembly using cellulose or nanocellulose as the main component. The resulting APCW catalysts are excellent heterogeneous catalysts for the asymmetric synthesis of (S)-amides. This was demonstrated by the APCW-catalyzed kinetic resolution of several racemic primary amines to give the corresponding (S)-amides in high yields with excellent enantioselectivity. The APCW catalyst can be recycled for multiple reaction cycles without loss of enantioselectivity. The assembled APCW catalyst was also able to cooperate with a homogeneous organoruthenium complex, which allowed for the co-catalytic dynamic kinetic resolution (DKR) of a racemic primary amine to give the corresponding (S)-amide in high yield. The APCW/Ru co-catalysis constitutes the first examples of DKR of chiral primary amines when subtilisin is used as a co-catalyst.
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Affiliation(s)
- Luca Deiana
- Department of Natural Sciences, Mid Sweden University Holmgatan 10 Sundsvall 85179 Sweden
| | - Abdolrahim A Rafi
- Department of Natural Sciences, Mid Sweden University Holmgatan 10 Sundsvall 85179 Sweden
| | - Jan-E Bäckvall
- Department of Natural Sciences, Mid Sweden University Holmgatan 10 Sundsvall 85179 Sweden
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University Stockholm SE-10691 Sweden
| | - Armando Córdova
- Department of Natural Sciences, Mid Sweden University Holmgatan 10 Sundsvall 85179 Sweden
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4
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The Disposition of Bioactive Compounds from Fruit Waste, Their Extraction, and Analysis Using Novel Technologies: A Review. Processes (Basel) 2022. [DOI: 10.3390/pr10102014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fruit waste contains several bioactive components such as polyphenols, polysaccharides, and numerous other phytochemicals, including pigments. Furthermore, new financial opportunities are created by using fruit ‘leftovers’ as a basis for bioactivities that may serve as new foods or food ingredients, strengthening the circular economy’s properties. From a technical standpoint, organic phenolic substances have become more appealing to industry, in addition to their application as nutritional supplements or functional meals. Several extraction methods for recovering phenolic compounds from fruit waste have already been published, most of which involve using different organic solvents. However, there is a growing demand for eco-friendly and sustainable techniques that result in phenolic-rich extracts with little ecological impact. Utilizing these new and advanced green extraction techniques will reduce the global crisis caused by fruit waste management. Using modern techniques, fruit residue is degraded to sub-zero scales, yielding bio-based commodities such as bioactive elements. This review highlights the most favorable and creative methods of separating bioactive materials from fruit residue. Extraction techniques based on environmentally friendly technologies such as bioreactors, enzyme-assisted extraction, ultrasound-assisted extraction, and their combination are specifically covered.
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Stojanović S, Ristović M, Stepanović J, Margetić A, Duduk B, Vujčić Z, Dojnov B. Aspergillus welwitschiae inulinase enzyme cocktails obtained on agro-material inducers for the purpose of fructooligosaccharides production. Food Res Int 2022; 160:111755. [DOI: 10.1016/j.foodres.2022.111755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 07/11/2022] [Accepted: 07/26/2022] [Indexed: 11/04/2022]
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Lian D, Zhuang S, Shui C, Zheng S, Ma Y, Sun Z, Porras-Domínguez JR, Öner ET, Liang M, Van den Ende W. Characterization of inulolytic enzymes from the Jerusalem artichoke-derived Glutamicibacter mishrai NJAU-1. Appl Microbiol Biotechnol 2022; 106:5525-5538. [PMID: 35896838 DOI: 10.1007/s00253-022-12088-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/17/2022] [Accepted: 07/20/2022] [Indexed: 11/28/2022]
Abstract
The rhizosphere context of inulin-accumulating plants, such as Jerusalem artichoke (Helianthus tuberosus), is an ideal starting basis for the discovery of inulolytic enzymes with potential for bio fructose production. We isolated a Glutamicibacter mishrai NJAU-1 strain from this context, showing exo-inulinase activity, releasing fructose from fructans. The growth conditions (pH 9.0; 15 °C) were adjusted, and the production of inulinase by Glutamicibacter mishrai NJAU-1 increased by 90% (0.32 U/mL). Intriguingly, both levan and inulin, but not fructose and sucrose, induced the production of exo-inulinase activity. Two exo-inulinase genes (inu1 and inu2) were cloned and heterologously expressed in Pichia pastoris. While INU2 preferentially hydrolyzed longer inulins, the smallest fructan 1-kestose appeared as the preferred substrate for INU1, also efficiently degrading nystose and sucrose. Active site docking studies with GFn- and Fn-type small inulins (G is glucose, F is fructose, and n is the number of β (2-1) bound fructose moieties) revealed subtle substrate differences between INU1 and INU2. A possible explanation about substrate specificity and INU's protein structure is then suggested. KEY POINTS: • A Glutamicibacter mishrai strain harbored exo-inulinase activity. • Fructans induced the inulolytic activity in G. mishrai while the inulolytic activity was optimized at pH 9.0 and 15 °C. • Two exo-inulinases with differential substrate specificity were characterized.
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Affiliation(s)
- Dan Lian
- Jiangsu Key Lab of Marine Biology, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Shuo Zhuang
- Jiangsu Key Lab of Marine Biology, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Chen Shui
- Jiangsu Key Lab of Marine Biology, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Shicheng Zheng
- Jiangsu Key Lab of Marine Biology, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Yanhong Ma
- Institute of Agro-Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu, China
| | - Zongjiu Sun
- College of Grassland and Environmental Sciences, Xinjiang Agricultural University, Ürümqi, 830052, Xinjiang, China
| | - Jaime R Porras-Domínguez
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001, Louvain, Belgium
| | - Ebru Toksoy Öner
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, 34722, Turkey
| | - Mingxiang Liang
- Jiangsu Key Lab of Marine Biology, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.
| | - Wim Van den Ende
- Laboratory of Molecular Plant Biology and KU Leuven Plant Institute, KU Leuven, Kasteelpark Arenberg 31, 3001, Louvain, Belgium
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Kilimci U, Evli S, Öndeş B, Uygun M, Uygun DA. Inulinase Immobilized Lectin Affinity Magnetic Nanoparticles for Inulin Hydrolysis. Appl Biochem Biotechnol 2021; 193:1415-1426. [PMID: 33417232 DOI: 10.1007/s12010-020-03476-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/30/2020] [Indexed: 11/25/2022]
Abstract
In this presented paper, concanavalin A-modified cysteine-functionalized Fe3O4/Ag core/shell magnetic nanoparticles were synthesized and used as a support material for inulinase enzyme, which has been intensively used for the preparation of high-fructose syrup by hydrolyzing inulin. Inulinase adsorption capacity of Con A-functionalized Ag-coated magnetic nanoparticles was optimized by changing medium pH, temperature, and initial inulinase concentration, and maximum inulinase adsorption capacity was found to be 655.32 mg/g nanoparticle by using 1.00 mg/mL of inulinase solution in pH 3.0 buffer system at 25 °C. Finally, efficient inulin degradation capacity of the inulinase immobilized magnetic nanoparticles was demonstrated by TLC studies and released fructose amount was determined as 0.533 mg/mL only within the 5 min of hydrolysis. This newly developed hydrolysis strategy holds considerable promise to produce high-fructose syrup in many industries.
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Affiliation(s)
- Ulviye Kilimci
- Chemistry Division, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey
| | - Sinem Evli
- Chemistry Division, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey
| | - Baha Öndeş
- Chemistry Division, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey
| | - Murat Uygun
- Chemistry Division, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey
| | - Deniz Aktaş Uygun
- Chemistry Division, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey.
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Immobilization of Purified Pectin Lyase from Acinetobacter calcoaceticus onto Magnetic Carboxymethyl Cellulose Nanoparticles and Its Usability in Food Industry. J CHEM-NY 2020. [DOI: 10.1155/2020/4791408] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
An important component of the pectinase enzyme complex is pectin lyase (polymethylgalacturonate lyase; EC 4.2.2.10). In this study, extracellular pectin lyase enzyme was produced from Acinetobacter calcoaceticus bacteria. Pectin lyase was then purified using three-phase precipitation (TPP) technique with 25.5% yield. The pectin lyase was immobilized covalently via the L-glutaraldehyde spacer to the carboxymethyl cellulose. The immobilized pectin lyase was magnetized using Fe3O4 nanoparticles. Purified pectin lyase was connected to magnetized support material after 90 min at the rate of 80%. The most appropriate immobilization conditions were determined as pH 8 and 30°C. By characterizing the free and immobilized enzyme, KM, Vmax, and optimum pH and optimum temperature values were determined. It was optimum pH 8 and temperature 50°C for both free and immobilized pectin lyase. The structural characterization of the immobilized pectin lyase modified with Fe3O4 nanoparticles was carried out by SEM, FT-IR, and XRD chromatographic analyses. At the end of the study, free and immobilized enzymes were used for purification of some fruit juices and results were compared.
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Zhao P, Li X, Wang Y, Zhang X, Jia H, Guo L, Huang L, Gao W. Comparative studies on characterization, saccharide mapping and antiglycation activity of polysaccharides from different Polygonatum ssp. J Pharm Biomed Anal 2020; 186:113243. [PMID: 32229391 DOI: 10.1016/j.jpba.2020.113243] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 02/07/2020] [Accepted: 03/06/2020] [Indexed: 10/24/2022]
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10
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Immobilization of Purified Pectin Lyase from Pseudomonas putida onto Magnetic Lily Flowers ( Lilium candidum L.) Nanoparticles and Applicability in Industrial Processes. Molecules 2020; 25:molecules25112671. [PMID: 32526868 PMCID: PMC7321098 DOI: 10.3390/molecules25112671] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 11/19/2022] Open
Abstract
Pectinases are an important class of enzymes distributed in many higher plants and microorganisms. One of these enzymes is pectin lyase which has an important role in industrial applications such as clarification of fruit juices. Pectin lyase was purified with 73% yield from Pseudomonas putida bacteria and was 220.7-fold using three phase precipitation technique. Molecular weight of purified pectin lyase was determined as 32.88 kDa with SDS-polyacrylamide gel electrophoresis. The pectin lyase was immobilized covalently via the L-glutaraldehyde spacer to the cellulosic structures of lily flowers (Lilium candidum L.). The immobilized enzyme was then magnetized by modifying with γ-Fe3O4 nanoparticles and determined the most appropriate immobilization conditions as pH 6 and 30 °C. Purified pectin lyase was connected to magnetized support material after 60 min at the rate of 86.4%. The optimum pH and temperatures for the free and immobilized pectin lyase was found to be 6.0 and 40 °C. pH and thermal stabilities of the free and immobilized pectin lyase enzyme have been preserved at high-low temperatures and pH. The structural characterization of the immobilized pectin lyase was performed by SEM, FT-IR, and XRD chromatographic analyses and it was observed that the support materials structure was appropriated to immobilization with pectin lyase and to modify with Fe3O4 nanoparticles.
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11
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Zhao P, Li X, Wang Y, Yan L, Guo L, Huang L, Gao W. Characterisation and saccharide mapping of polysaccharides from four common Polygonatum spp. Carbohydr Polym 2020; 233:115836. [DOI: 10.1016/j.carbpol.2020.115836] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/30/2019] [Accepted: 01/06/2020] [Indexed: 02/07/2023]
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12
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Abstract
Prebiotics are increasingly used as food supplements, especially in infant formulas, to modify the functioning and composition of the microbiota. However, little is currently known about the mechanisms of prebiotic recognition and transport by gut bacteria, while these steps are crucial in their metabolism. In this study, we established a new strategy to profile the specificity of oligosaccharide transporters, combining microbiomics, genetic locus and strain engineering, and state-of-the art metabolomics. We revisited the transporter classification database and proposed a new way to classify these membrane proteins based on their structural and mechanistic similarities. Based on these developments, we identified and characterized, at the molecular level, a fructooligosaccharide transporting phosphotransferase system, which constitutes a biomarker of diet and gut pathology. The deciphering of this prebiotic metabolization mechanism by a nonbeneficial bacterium highlights the controversial use of prebiotics, especially in the context of chronic gut diseases. Prebiotic oligosaccharides, such as fructooligosaccharides, are increasingly being used to modulate the composition and activity of the gut microbiota. However, carbohydrate utilization analyses and metagenomic studies recently revealed the ability of deleterious and uncultured human gut bacterial species to metabolize these functional foods. Moreover, because of the difficulties of functionally profiling transmembrane proteins, only a few prebiotic transporters have been biochemically characterized to date, while carbohydrate binding and transport are the first and thus crucial steps in their metabolization. Here, we describe the molecular mechanism of a phosphotransferase system, highlighted as a dietary and pathology biomarker in the human gut microbiome. This transporter is encoded by a metagenomic locus that is highly conserved in several human gut Firmicutes, including Dorea species. We developed a generic strategy to deeply analyze, in vitro and in cellulo, the specificity and functionality of recombinant transporters in Escherichia coli, combining carbohydrate utilization locus and host genome engineering and quantification of the binding, transport, and growth rates with analysis of phosphorylated carbohydrates by mass spectrometry. We demonstrated that the Dorea fructooligosaccharide transporter is specific for kestose, whether for binding, transport, or phosphorylation. This constitutes the biochemical proof of effective phosphorylation of glycosides with a degree of polymerization of more than 2, extending the known functional diversity of phosphotransferase systems. Based on these new findings, we revisited the classification of these carbohydrate transporters. IMPORTANCE Prebiotics are increasingly used as food supplements, especially in infant formulas, to modify the functioning and composition of the microbiota. However, little is currently known about the mechanisms of prebiotic recognition and transport by gut bacteria, while these steps are crucial in their metabolism. In this study, we established a new strategy to profile the specificity of oligosaccharide transporters, combining microbiomics, genetic locus and strain engineering, and state-of-the art metabolomics. We revisited the transporter classification database and proposed a new way to classify these membrane proteins based on their structural and mechanistic similarities. Based on these developments, we identified and characterized, at the molecular level, a fructooligosaccharide transporting phosphotransferase system, which constitutes a biomarker of diet and gut pathology. The deciphering of this prebiotic metabolization mechanism by a nonbeneficial bacterium highlights the controversial use of prebiotics, especially in the context of chronic gut diseases.
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Ilgın M, Germec M, Turhan I. Inulinase production and mathematical modeling from carob extract by using
Aspergillus niger. Biotechnol Prog 2019; 36:e2919. [DOI: 10.1002/btpr.2919] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/17/2019] [Accepted: 09/22/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Merve Ilgın
- Akdeniz UniversityDepartment of Food Engineering Antalya Turkey
| | - Mustafa Germec
- Akdeniz UniversityDepartment of Food Engineering Antalya Turkey
| | - Irfan Turhan
- Akdeniz UniversityDepartment of Food Engineering Antalya Turkey
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14
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Yousefi-Mokri M, Sharafi A, Rezaei S, Sadeghian-Abadi S, Imanparast S, Mogharabi-Manzari M, Amanzadeh Y, Faramarzi MA. Enzymatic hydrolysis of inulin by an immobilized extremophilic inulinase from the halophile bacterium Alkalibacillus filiformis. Carbohydr Res 2019; 483:107746. [DOI: 10.1016/j.carres.2019.107746] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/12/2019] [Accepted: 07/12/2019] [Indexed: 01/12/2023]
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Ma Y, Tang PTP, McClure DD, Valtchev P, Ashton JF, Dehghani F, Kavanagh JM. Development of a menaquinone-7 enriched functional food. FOOD AND BIOPRODUCTS PROCESSING 2019. [DOI: 10.1016/j.fbp.2019.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Corona RI, Morales-Burgos A, Pelayo C, Arias JA, García-Sandoval JP. Substrates' and products' inhibition in fructanase production by a new Kluyveromyces marxianus CF15 from Agave tequilana fructan in a batch reactor. Bioprocess Biosyst Eng 2019; 42:1779-1791. [PMID: 31385035 DOI: 10.1007/s00449-019-02174-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 07/15/2019] [Indexed: 11/26/2022]
Abstract
This study focuses on fructanase production in a batch reactor by a new strain isolated from agave juice (K. marxianus var. drosophilarum) employing different Agave tequilana fructan (ATF) concentrations as substrate. The experimental data suggest that the fructanase production may be inhibited or repressed by high substrate (50 g/L) and ethanol (20.7 g/L) concentrations present in culture medium. To further analyze these phenomena an unstructured kinetic mathematical model taking into account substrate and products inhibition was proposed and fitted. The mathematical model considers six reaction kinetics and the ethanol evaporation, and predicts satisfactorily the biomass, fructan, glucose, fructose, ethanol, and fructanase behavior for different raw material initial concentrations. The proposed model is the first to satisfactorily describe the production of fructanase from branched ATF with a new strain of K. marxianus.
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Affiliation(s)
- R I Corona
- Chemical Engineering Department, University of Guadalajara, Blvd. M. García Barragán 1451, Guadalajara, Jalisco, 44430, Mexico
| | - A Morales-Burgos
- Chemical Engineering Department, University of Guadalajara, Blvd. M. García Barragán 1451, Guadalajara, Jalisco, 44430, Mexico
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Av. de las Américas y Blvd. Universitarios S/N, Culiacán, Sinaloa, 80010, Mexico
| | - C Pelayo
- Chemical Engineering Department, University of Guadalajara, Blvd. M. García Barragán 1451, Guadalajara, Jalisco, 44430, Mexico
| | - J A Arias
- Laboratory of Biotechnology (CUCBA), University of Guadalajara, Km. 15.5 Carretera Guadalajara-Nogales, Zapopan, Jalisco, 45110, Mexico
| | - J P García-Sandoval
- Chemical Engineering Department, University of Guadalajara, Blvd. M. García Barragán 1451, Guadalajara, Jalisco, 44430, Mexico.
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Ravindran R, Hassan SS, Williams GA, Jaiswal AK. A Review on Bioconversion of Agro-Industrial Wastes to Industrially Important Enzymes. Bioengineering (Basel) 2018; 5:E93. [PMID: 30373279 PMCID: PMC6316327 DOI: 10.3390/bioengineering5040093] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 10/24/2018] [Accepted: 10/26/2018] [Indexed: 01/21/2023] Open
Abstract
Agro-industrial waste is highly nutritious in nature and facilitates microbial growth. Most agricultural wastes are lignocellulosic in nature; a large fraction of it is composed of carbohydrates. Agricultural residues can thus be used for the production of various value-added products, such as industrially important enzymes. Agro-industrial wastes, such as sugar cane bagasse, corn cob and rice bran, have been widely investigated via different fermentation strategies for the production of enzymes. Solid-state fermentation holds much potential compared with submerged fermentation methods for the utilization of agro-based wastes for enzyme production. This is because the physical⁻chemical nature of many lignocellulosic substrates naturally lends itself to solid phase culture, and thereby represents a means to reap the acknowledged potential of this fermentation method. Recent studies have shown that pretreatment technologies can greatly enhance enzyme yields by several fold. This article gives an overview of how agricultural waste can be productively harnessed as a raw material for fermentation. Furthermore, a detailed analysis of studies conducted in the production of different commercially important enzymes using lignocellulosic food waste has been provided.
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Affiliation(s)
- Rajeev Ravindran
- School of Food Science and Environmental Health, College of Sciences and Health, Dublin Institute of Technology, Cathal Brugha Street, D01 HV58 Dublin, Ireland.
- School of Biological Sciences, College of Sciences and Health, Dublin Institute of Technology, Kevin Street, D08 NF82 Dublin, Ireland.
| | - Shady S Hassan
- School of Food Science and Environmental Health, College of Sciences and Health, Dublin Institute of Technology, Cathal Brugha Street, D01 HV58 Dublin, Ireland.
- School of Biological Sciences, College of Sciences and Health, Dublin Institute of Technology, Kevin Street, D08 NF82 Dublin, Ireland.
| | - Gwilym A Williams
- School of Biological Sciences, College of Sciences and Health, Dublin Institute of Technology, Kevin Street, D08 NF82 Dublin, Ireland.
| | - Amit K Jaiswal
- School of Food Science and Environmental Health, College of Sciences and Health, Dublin Institute of Technology, Cathal Brugha Street, D01 HV58 Dublin, Ireland.
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19
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Ribeiro GCDA, Fernandes P, de Assis SA. Production, characterization, and immobilization of inulinase produced by Pseudozyma sp. (CCMB 306). CHEM ENG COMMUN 2018. [DOI: 10.1080/00986445.2018.1430575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Geise Camila de Araujo Ribeiro
- Enzymology and Fermentation Technology Laboratory, Health Department, State University of Feira de Santana, Feira de Santana, Bahia, Brazil
| | - Pedro Fernandes
- Faculty of Engineering, Lusófona University, Lisboa, Portugal
- Department of Bioengineering, IBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, University of Lisbon, Lisboa, Portugal
| | - Sandra Aparecida de Assis
- Enzymology and Fermentation Technology Laboratory, Health Department, State University of Feira de Santana, Feira de Santana, Bahia, Brazil
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20
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A General Overview of Support Materials for Enzyme Immobilization: Characteristics, Properties, Practical Utility. Catalysts 2018. [DOI: 10.3390/catal8020092] [Citation(s) in RCA: 456] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Kowalska A, Antecka A, Owczarz P, Bizukojć M. Inulinolytic activity of broths of Aspergillus niger ATCC 204447 cultivated in shake flasks and stirred tank bioreactor. Eng Life Sci 2017; 17:1006-1020. [PMID: 32624851 DOI: 10.1002/elsc.201600247] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 03/03/2017] [Accepted: 04/18/2017] [Indexed: 12/20/2022] Open
Abstract
It is the first detailed study of an inulinolytic fungus Aspergillus niger ATCC 204447 since its discovery, covering submerged cultivations both in shake flasks and a stirred tank bioreactor. Various carbon sources were applied to induce the inulinolytic activity in shake flask cultures. The highest volumetric and specific (per gram of biomass) activities (respectively 0.68 U/mL and 184 U g/X) were observed for the initial inulin and sucrose concentrations equal to 20 g/L. The fungus grew as large (>3 mm) spherical pellets. The influence of inoculum density and application of microparticle-enhanced cultivation (MPEC) were studied in the batch bioreactor cultivations. Inoculum density moderately affected the inulinolytic activities, whose highest values were 0.7 U/mL and 165 U g/X at the lowest studied spore density of 3.33·108 L-1. Dispersed hyphae evolved in the bioreactor made the broth difficult to aerate due to high apparent viscosity (exceeding 200 Pa sn at shear rate about 0.05 s-1) and shear thinned properties (flow behavior index below 0.2). In MPEC (10 μm talc microparticles) the pellets of diameter between 1 and 2 mm were formed, which facilitated the aeration of the broth and increased the specific inulinolytic activity 3.5-fold.
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Affiliation(s)
- Anna Kowalska
- Department of Bioprocess Engineering Faculty of Process and Environmental Engineering Lodz University of Technology Lodz Poland
| | - Anna Antecka
- Department of Bioprocess Engineering Faculty of Process and Environmental Engineering Lodz University of Technology Lodz Poland
| | - Piotr Owczarz
- Department of Chemical Engineering Faculty of Process and Environmental Engineering Lodz University of Technology Lodz Poland
| | - Marcin Bizukojć
- Department of Bioprocess Engineering Faculty of Process and Environmental Engineering Lodz University of Technology Lodz Poland
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Khatun MM, Liu CG, Zhao XQ, Yuan WJ, Bai FW. Consolidated ethanol production from Jerusalem artichoke tubers at elevated temperature by Saccharomyces cerevisiae engineered with inulinase expression through cell surface display. J Ind Microbiol Biotechnol 2016; 44:295-301. [PMID: 27999966 DOI: 10.1007/s10295-016-1881-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 11/26/2016] [Indexed: 12/30/2022]
Abstract
Ethanol fermentation from Jerusalem artichoke tubers was performed at elevated temperatures by the consolidated bioprocessing strategy using Saccharomyces cerevisiae MK01 expressing inulinase through cell surface display. No significant difference was observed in yeast growth when temperature was controlled at 38 and 40 °C, respectively, but inulinase activity with yeast cells was substantially enhanced at 40 °C. As a result, enzymatic hydrolysis of inulin was facilitated and ethanol production was improved with 89.3 g/L ethanol produced within 72 h from 198.2 g/L total inulin sugars consumed. Similar results were also observed in ethanol production from Jerusalem artichoke tubers with 85.2 g/L ethanol produced within 72 h from 185.7 g/L total sugars consumed. On the other hand, capital investment on cooling facilities and energy consumption for running the facilities would be saved, since regular cooling water instead of chill water could be used to cool down the fermentation system.
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Affiliation(s)
- M Mahfuza Khatun
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116023, China
| | - Chen-Guang Liu
- School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xin-Qing Zhao
- School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Wen-Jie Yuan
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116023, China
| | - Feng-Wu Bai
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116023, China. .,School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
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Yang JK, Zhang JW, Mao L, You X, Chen GJ. Genetic modification and optimization of endo-inulinase for the enzymatic production of oligofructose from inulin. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.10.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Synergistic effect between the recombinant exo-inulinase and endo-inulinase on inulin hydrolysis. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.03.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Rawat HK, Soni H, Treichel H, Kango N. Biotechnological potential of microbial inulinases: Recent perspective. Crit Rev Food Sci Nutr 2016; 57:3818-3829. [DOI: 10.1080/10408398.2016.1147419] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hemant Kumar Rawat
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
| | - Hemant Soni
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
| | - Helen Treichel
- Universidade Federal da Fronteira Sul-Campus de Erechim, Erechim, Brazil
| | - Naveen Kango
- Department of Applied Microbiology and Biotechnology, Dr. Harisingh Gour University, Sagar (M.P.), India
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Yedahalli SS, Rehmann L, Bassi A. Expression of exo-inulinase gene from Aspergillus niger 12 in E. coli strain Rosetta-gami B (DE3) and its characterization. Biotechnol Prog 2016; 32:629-37. [PMID: 26833959 DOI: 10.1002/btpr.2238] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 01/27/2016] [Indexed: 11/08/2022]
Abstract
Inulin is a linear carbohydrate polymer of fructose subunits (2-60) with terminal glucose units, produced as carbon storage in selected plants. It cannot directly be taken up by most microorganisms due to its large size, unless prior hydrolysis through inulinase enzymes occurs. The hydrolyzed inulin can be taken up by microbes and/or recovered and used industrially for the production of high fructose syrup, inulo-oligosaccharides, biofuel, and nutraceuticals. Cell-free enzymatic hydrolysis would be desirable for industrial applications, hence the recombinant expression, purification and characterization of an Aspergillus niger derived exo-inulinase was investigated in this study. The eukaroyototic exo-inulinase of Aspergillus niger 12 has been expressed, for the first time, in an E. coli strain [Rosetta-gami B (DE3)]. The molecular weight of recombinant exo-inulinase was estimated to be ∼81 kDa. The values of Km and Vmax of the recombinant exo-inulinase toward inulin were 5.3 ± 1.1 mM and 402.1 ± 53.1 µmol min(-1) mg(-1) protein, respectively. Towards sucrose the corresponding values were 12.20 ± 1.6 mM and 902.8 ± 40.2 µmol min(-1) mg(-1) protein towards sucrose. The S/I ratio was 2.24 ± 0.7, which is in the range of native inulinase. The optimum temperature and pH of the recombinant exo-inulinase towards inulin was 55°C and 5.0, while they were 50°C and 5.5 towards sucrose. The recombinant exo-inulinase activity towards inulin was enhanced by Cu(2+) and reduced by Fe(2+) , while its activity towards sucrose was enhanced by Co(2+) and reduced by Zn(2+) . © 2016 American Institute of Chemical Engineers Biotechnol. Prog., 32:629-637, 2016.
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Affiliation(s)
- Shreyas S Yedahalli
- Dept. of Chemical and Biochemical Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Lars Rehmann
- Dept. of Chemical and Biochemical Engineering, Faculty of Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Amarjeet Bassi
- Dept. of Chemical and Biochemical Engineering, Faculty of Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
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Shen J, Zhang R, Li J, Tang X, Li R, Wang M, Huang Z, Zhou J. Characterization of an exo-inulinase from Arthrobacter: a novel NaCl-tolerant exo-inulinase with high molecular mass. Bioengineered 2016; 6:99-105. [PMID: 25695343 DOI: 10.1080/21655979.2015.1019686] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
A glycoside hydrolase family 32 exo-inulinase gene was cloned from Arthrobacter sp. HJ7 isolated from saline soil located in Heijing town. The gene encodes an 892-residue polypeptide with a calculated mass of 95.1 kDa and a high total frequency of amino acid residues G, A, and V (30.0%). Escherichia coli BL21 (DE3) cells were used as hosts to express the exo-inulinase gene. The recombinant exo-inulinase (rInuAHJ7) showed an apparently maximal activity at pH 5.0-5.5 and 40-45°C. The addition of 1.0 and 10.0 mM Zn(2+) and Pb(2+) had little or no effect on the enzyme activity. rInuAHJ7 exhibited good salt tolerance, retaining more than 98% inulinase activity at a concentration of 3.0%-20.0% (w/v) NaCl. Fructose was the main product of inulin, levan, and Jerusalem artichoke tubers hydrolyzed by the enzyme. The present study is the first to report the identification and characterization of an Arthrobacter sp exo-inulinase showing a high molecular mass of 95.1 kDa and NaCl tolerance. These results suggest that the exo-inulinase might be an alternative material for potential applications in processing seafood and other foods with high saline contents, such as marine algae, pickles, and sauces.
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Affiliation(s)
- Jidong Shen
- a Engineering Research Center of Sustainable Development and Utilization of Biomass Energy; Ministry of Education ; Yunnan Normal University ; Kunming , PR China
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Zhou J, Peng M, Zhang R, Li J, Tang X, Xu B, Ding J, Gao Y, Ren J, Huang Z. Characterization of Sphingomonas sp. JB13 exo-inulinase: a novel detergent-, salt-, and protease-tolerant exo-inulinase. Extremophiles 2015; 19:383-93. [PMID: 25575614 DOI: 10.1007/s00792-014-0724-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 12/11/2014] [Indexed: 11/24/2022]
Abstract
A glycoside hydrolase family 32 exo-inulinase gene was cloned from Sphingomonas sp. JB13 and expressed in Escherichia coli BL21 (DE3). The purified recombinant enzyme (rInuAJB13) showed an apparently optimal activity at pH 5.5 and 55 °C and remained activity at 10-70 °C. The addition of most metal ions and chemical reagents showed little or no effect (retaining more than 76.5 % activity) on the enzyme activity, notably the addition of surfactants SDS, CTAB, Tween 80, and Triton X-100. Most local liquid detergents, including Balin, Walch, Ariel, Tide, Tupperware, and Bluemoon, also showed little or no effect (retaining more than 77.8 % activity) on the enzyme activity. rInuAJB13 exhibited 135.3-163.6 % activity at the NaCl concentration of 1.0-4.5 M. After incubation with up to 57.0 mg mL(-1) trypsin and 90.0 mg mL(-1) proteinase K at 37 °C for 60 min (pH 7.2), rInuAJB13 retained more than 80 % of its initial activity. The enzyme presents a high proportion (28.0 %) of amino acid residues G, A, and V. This paper is the first to report a detergent-, salt-, and protease-tolerant exo-inulinase.
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Affiliation(s)
- Junpei Zhou
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming, 650500, People's Republic of China
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Corona-González RI, Pelayo-Ortiz C, Jacques G, Guatemala G, Arriola E, Arias JA, Toriz G. Production of fructanase by a wild strain of Saccharomyces cerevisiae on tequila agave fructan. Antonie van Leeuwenhoek 2014; 107:251-61. [PMID: 25432071 DOI: 10.1007/s10482-014-0323-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 10/29/2014] [Indexed: 11/29/2022]
Abstract
A new wild strain of Saccharomyces cerevisiae (CF3) isolated from tequila must was evaluated for production of fructanase on Agave tequilana Weber fructan (FT). Fructanase activity (F) was assessed by a 3(3) factorial design (substrate, temperature and pH). High enzymatic activity (31.1 U/ml) was found at 30 °C, pH 5, using FT (10 g/l) as substrate. The effect of initial substrate concentration on F (FT0, 5.7-66 g/l) was studied and it was found that F was highest (44.8 U/ml) at FT0 25 g/l. A 2(2) factorial experimental design with five central points was utilized to study the effect of stirring and aeration on fructanase activity; stirring exhibited a stronger effect on F. The ratio fructanase to invertase (F/S) was 0.57, which confirms that the enzymes are fructanase. Crude fructanase reached high substrate hydrolysis (48 wt%) in 10 h. It is shown that S. cerevisiae CF3 was able to produce large amounts of fructanase by growing it on fructan from A. tequilana.
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Affiliation(s)
- R I Corona-González
- Biotechnology Processes Lab, Center of Exact Sciences and Engineering, Department of Chemical Engineering, University of Guadalajara, Blvd. Marcelino García Barragán # 1421, C. P. 44430, Guadalajara, Jalisco, Mexico
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30
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Housseiny MM. Production of an endoinulinase from Aspergillus niger AUMC 9375, by solid state fermentation of agricultural wastes, with purification and characterization of the free and immobilized enzyme. J Microbiol 2014; 52:389-98. [PMID: 24810318 DOI: 10.1007/s12275-014-3561-y] [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] [Received: 10/25/2013] [Revised: 11/29/2013] [Accepted: 12/02/2013] [Indexed: 11/28/2022]
Abstract
Two different substrates, sunflower (Helianthus annuus L.) tubers and lettuce (Lactuca sativa) roots, were tested. Using a mixture of both wastes resulted in higher production of endoinulinase than either waste alone. Also, ten fungal species grown on these substrates as inexpensive, carbon sources were screened for the best production of endoinulinase activities. Of these, Aspergillus niger AUMC 9375 was the most productive, when grown on the mixture using a 6:1 w/w ratio of sun flower: lettuce, and yielded the highest levels of inulinase at 50% moisture, 30°C, pH 5.0, with seven days of incubation, and with yeast extract as the best nitrogen source. Inulinase was purified to homogeneity by ion-exchange chromatography and gel-filtration giving a 51.11 fold purification. The mixture of sunflower tubers and lettuce roots has potential to be an effective and economical substrate for inulinase production. Inulinase was successfully immobilized with an immobilization yield of 71.28%. After incubation for 2 h at 60°C, the free enzyme activity decreased markedly to 10%, whereas that of the immobilized form decreased only to 87%. A reusability test demonstrated the durability of the immobilized inulinase for 10 cycles and in addition, that it could be stored for 32 days at 4°C. These results indicate that this inulinase, in the immobilized form, is a potential candidate for large-scale production of high purity fructose syrups.
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Affiliation(s)
- Manal M Housseiny
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Roxy, Cairo, 11757, Egypt,
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Paixão SM, Teixeira PD, Silva TP, Teixeira AV, Alves L. Screening of novel yeast inulinases and further application to bioprocesses. N Biotechnol 2013; 30:598-606. [DOI: 10.1016/j.nbt.2013.02.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 02/04/2013] [Accepted: 02/06/2013] [Indexed: 11/25/2022]
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32
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Papon N, Savini V, Lanoue A, Simkin AJ, Crèche J, Giglioli-Guivarc'h N, Clastre M, Courdavault V, Sibirny AA. Candida guilliermondii: biotechnological applications, perspectives for biological control, emerging clinical importance and recent advances in genetics. Curr Genet 2013; 59:73-90. [PMID: 23616192 DOI: 10.1007/s00294-013-0391-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2013] [Revised: 03/28/2013] [Accepted: 04/02/2013] [Indexed: 12/11/2022]
Abstract
Candida guilliermondii (teleomorph Meyerozyma guilliermondii) is an ascomycetous species belonging to the Saccharomycotina CTG clade which has been studied over the last 40 years due to its biotechnological interest, biological control potential and clinical importance. Such a wide range of applications in various areas of fundamental and applied scientific research has progressively made C. guilliermondii an attractive model for exploring the potential of yeast metabolic engineering as well as for elucidating new molecular events supporting pathogenicity and antifungal resistance. All these research fields now take advantage of the establishment of a useful molecular toolbox specifically dedicated to C. guilliermondii genetics including the construction of recipient strains, the development of selectable markers and reporter genes and optimization of transformation protocols. This area of study is further supported by the availability of the complete genome sequence of the reference strain ATCC 6260 and the creation of numerous databases dedicated to gene ontology annotation (metabolic pathways, virulence, and morphogenesis). These genetic tools and genomic resources represent essential prerequisites for further successful development of C. guilliermondii research in medical mycology and in biological control by facilitating the identification of the multiple factors that contribute to its pathogenic potential. These genetic and genomic advances should also expedite future practical uses of C. guilliermondii strains of biotechnological interest by opening a window into a better understanding of the biosynthetic pathways of valuable metabolites.
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Affiliation(s)
- Nicolas Papon
- EA2106, Biomolécules et Biotechnologies Végétales, Faculté de Pharmacie, Université François-Rabelais de Tours, Tours, France.
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Nascimento DS, Valasques Junior G, Fernandes P, Ribeiro GCA, Lima DM, Góes-Neto A, Oliveira RQ, Figueiredo-Ribeiro RDCL, Assis SAD. Production, characterization and application of inulinase from fungal endophyte CCMB 328. AN ACAD BRAS CIENC 2012; 84:443-54. [PMID: 22634747 DOI: 10.1590/s0001-37652012005000035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Accepted: 02/23/2011] [Indexed: 11/22/2022] Open
Abstract
Inulinase (β-2,1-D- fructan fructanohydrolase), EC 3.2.1.7, targets the β-2,1 linkage of inulin, a polyfructan consisting of linear β-2,1 linked fructose, and hydrolyzes it into fructose. This use provides an alternative to produce fructose syrup through the hydrolysis of inulin. The objective of this work was to study the production, characterization and applications of inulinases from the fungal endophyte CCMB 328 isolated from the Brazilian semi-arid region. Response Surface Methodology (RSM) was employed to evaluate the effect of variables (concentration of glucose and yeast extract), on secreted inulinase activities detected in the culture medium and also in the inulin hydrolysis. The results showed that the best conditions for inulinase production by CCMB 328 are 9.89 g / L for glucose and 1.09 g / L for yeast extract. The concentration of 0.20 mol/L of NaCl and KCl increased the activity of inulinase from CCMB 328 by approximately 63% and 37%, respectively. The results also showed that the inulinase has potential for inulin hydrolysis, whose conversion yields roughly 72.48 % for an initial concentration of inulin at 1% (w/v).
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Affiliation(s)
- Diego S Nascimento
- Laboratório de Enzimologia e Tecnologia de Fermentação, Departamento de Saúde, Universidade Estadual de Feira de Santana, BA, Brasil
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Arrizon J, Morel S, Gschaedler A, Monsan P. Fructanase and fructosyltransferase activity of non-Saccharomyces yeasts isolated from fermenting musts of Mezcal. BIORESOURCE TECHNOLOGY 2012; 110:560-565. [PMID: 22336744 DOI: 10.1016/j.biortech.2012.01.112] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 01/18/2012] [Accepted: 01/19/2012] [Indexed: 05/31/2023]
Abstract
Fructanase and fructosyltransferase are interesting for the tequila process and prebiotics production (functional food industry). In this study, one hundred thirty non-Saccharomyces yeasts isolated from "Mezcal de Oaxaca" were screened for fructanase and fructosyltransferase activity. On solid medium, fifty isolates grew on Agave tequilana fructans (ATF), inulin or levan. In liquid media, inulin and ATF induced fructanase activities of between 0.02 and 0.27U/ml depending of yeast isolate. High fructanase activity on sucrose was observed for Kluyveromyces marxianus and Torulaspora delbrueckii, while the highest fructanase activity on inulin and ATF was observed for Issatchenkia orientalis, Cryptococcus albidus, and Candida apicola. Zygosaccharomyces bisporus and Candida boidinii had a high hydrolytic activity on levan. Sixteen yeasts belonging to K. marxianus, T. delbrueckii and C. apicola species were positive for fructosyltransferase activity. Mezcal microbiota proved to showed to be a source for new fructanase and fructosyltransferases with potential application in the tequila and food industry.
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Affiliation(s)
- Javier Arrizon
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Avenida Normalistas # 800, Col. Colinas de la Normal, 44270 Guadalajara, Jalisco, Mexico
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Verspreet J, Pollet A, Cuyvers S, Vergauwen R, Van den Ende W, Delcour JA, Courtin CM. A simple and accurate method for determining wheat grain fructan content and average degree of polymerization. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:2102-2107. [PMID: 22324634 DOI: 10.1021/jf204774n] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
An improved method for the measurement of fructans in wheat grains is presented. A mild acid treatment is used for fructan hydrolysis, followed by analysis of the released glucose and fructose with high performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD). Not only the amount of fructose set free from fructans but also the released glucose can be quantified accurately, allowing determination of the average degree of polymerization of fructans (DP(av)). Application of the mild acid treatment to different grain samples demonstrated that a correction should be made for the presence of sucrose and raffinose, but not for stachyose or higher raffinose oligosaccharides. The fructan content and DP(av) of spelt flour, wheat flour, and whole wheat flour were 0.6%, 1.2%, and 1.8% of the total weight and 4, 5, and 6, respectively. Validation experiments demonstrate that the proposed quantification method is accurate and repeatable and that also the DP(av) determination is precise.
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Affiliation(s)
- Joran Verspreet
- Laboratory of Food Chemistry and Biochemistry and Leuven Food Science and Nutrition Research Centre (LFoRCe), KULeuven, Leuven, Belgium.
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Kuzuwa S, Yokoi KJ, Kondo M, Kimoto H, Yamakawa A, Taketo A, Kodaira KI. Properties of the inulinase gene levH1 of Lactobacillus casei IAM 1045; cloning, mutational and biochemical characterization. Gene 2012; 495:154-62. [DOI: 10.1016/j.gene.2011.12.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2011] [Revised: 11/17/2011] [Accepted: 12/02/2011] [Indexed: 11/26/2022]
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37
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Vinoth Kumar V, Premkumar MP, Sathyaselvabala VK, Dineshkirupha S, Nandagopal J, Sivanesan S. Aspergillus niger exo-inulinase purification by three phase partitioning. Eng Life Sci 2011. [DOI: 10.1002/elsc.201000180] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Li AX, Guo LZ, Lu WD. Alkaline inulinase production by a newly isolated bacterium Marinimicrobium sp. LS–A18 and inulin hydrolysis by the enzyme. World J Microbiol Biotechnol 2011; 28:81-9. [DOI: 10.1007/s11274-011-0794-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 05/18/2011] [Indexed: 10/18/2022]
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