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Cera S, Tuccillo F, Knaapila A, Sim F, Manngård J, Niklander K, Verni M, Rizzello CG, Katina K, Coda R. Role of tailored sourdough fermentation in the flavor of wholegrain-oat bread. Curr Res Food Sci 2024; 8:100697. [PMID: 38487179 PMCID: PMC10937307 DOI: 10.1016/j.crfs.2024.100697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/23/2024] [Accepted: 02/09/2024] [Indexed: 03/17/2024] Open
Abstract
Sourdough technology has been known for its role in the improvement of texture, flavor, and quality of mainly wheat and rye-based breads for decades. However, little is reported about its use in the improvement of whole-grain oat bread, especially concerning flavor formation, which is one major consumer drivers. This study investigated the effects of sourdough obtained by different lactic acid bacteria and yeast starters consortia on the texture and flavor of 100% oat bread. Four different consortia were selected to obtain four oat sourdoughs, which were analyzed to assess the main features due to the different starter fermentation metabolism. Sourdoughs were added to breads as 30% dough weight. Bread quality was technologically monitored via hardness and volume measurements. Sourdough breads were softer and had higher specific volume. The sensory profile of sourdoughs and breads was assessed by a trained panel in sensory laboratory conditions, and the volatile profile was analyzed by HS-SPME-GC-MS. Sourdoughs were rated with higher intensities than untreated control for most of attributes, especially concerning sour aroma and flavor attributes. Sourdough breads were rated with higher intensities than control bread for sour vinegar flavor and total odor intensity, in addition they had richer volatile profile. Our results confirmed that sourdough addition can lead to an enhanced flavor, moreover, it demonstrated that the use of different consortia of lactic acid bacteria and yeast strains leads to the improvement of texture and altered sensory profile of whole-oat bread.
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Affiliation(s)
- Silvia Cera
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Fabio Tuccillo
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Antti Knaapila
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Finlay Sim
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Jessica Manngård
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Katariina Niklander
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Michela Verni
- Department of Environmental Biology, “Sapienza” University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Carlo Giuseppe Rizzello
- Department of Environmental Biology, “Sapienza” University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
| | - Kati Katina
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
| | - Rossana Coda
- Department of Food and Nutrition, P.O. Box 66 (Agnes Sjöbergin Katu 2), University of Helsinki, FI-00014, Helsinki, Finland
- Helsinki Institute of Sustainability Science, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
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2
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Picciotti U, Valverde-Urrea M, Garganese F, Lopez-Moya F, Foubelo F, Porcelli F, Lopez-Llorca LV. Brindley's Glands Volatilome of the Predator Zelus renardii Interacting with Xylella Vectors. INSECTS 2023; 14:520. [PMID: 37367336 DOI: 10.3390/insects14060520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023]
Abstract
Alien species must adapt to new biogeographical regions to acclimatise and survive. We consider a species to have become invasive if it establishes negative interactions after acclimatisation. Xylella fastidiosa Wells, Raju et al., 1986 (XF) represents Italy's and Europe's most recent biological invasion. In Apulia (southern Italy), the XF-encountered Philaenus spumarius L. 1758 (Spittlebugs, Hemiptera: Auchenorrhyncha) can acquire and transmit the bacterium to Olea europaea L., 1753. The management of XF invasion involves various transmission control means, including inundative biological control using Zelus renardii (ZR) Kolenati, 1856 (Hemiptera: Reduviidae). ZR is an alien stenophagous predator of Xylella vectors, recently entered from the Nearctic and acclimated in Europe. Zelus spp. can secrete semiochemicals during interactions with conspecifics and prey, including volatile organic compounds (VOCs) that elicit conspecific defence behavioural responses. Our study describes ZR Brindley's glands, present in males and females of ZR, which can produce semiochemicals, eliciting conspecific behavioural responses. We scrutinised ZR secretion alone or interacting with P. spumarius. The ZR volatilome includes 2-methyl-propanoic acid, 2-methyl-butanoic acid, and 3-methyl-1-butanol, which are consistent for Z. renardii alone. Olfactometric tests show that these three VOCs, individually tested, generate an avoidance (alarm) response in Z. renardii. 3-Methyl-1-butanol elicited the highest significant repellence, followed by 2-methyl-butanoic and 2-methyl-propanoic acids. The concentrations of the VOCs of ZR decrease during the interaction with P. spumarius. We discuss the potential effects of VOC secretions on the interaction of Z. renardii with P. spumarius.
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Affiliation(s)
- Ugo Picciotti
- Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti (DiSSPA), University of Bari Aldo Moro, 70125 Bari, Italy
- Department of Marine Science and Applied Biology, Laboratory of Plant Pathology, University of Alicante, 03690 Alicante, Spain
| | - Miguel Valverde-Urrea
- Department of Marine Science and Applied Biology, Laboratory of Plant Pathology, University of Alicante, 03690 Alicante, Spain
| | - Francesca Garganese
- Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti (DiSSPA), University of Bari Aldo Moro, 70125 Bari, Italy
| | - Federico Lopez-Moya
- Department of Marine Science and Applied Biology, Laboratory of Plant Pathology, University of Alicante, 03690 Alicante, Spain
| | - Francisco Foubelo
- Department of Organic Chemistry, Institute of Organic Synthesis, University of Alicante, 03690 Alicante, Spain
| | - Francesco Porcelli
- Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti (DiSSPA), University of Bari Aldo Moro, 70125 Bari, Italy
| | - Luis Vicente Lopez-Llorca
- Department of Marine Science and Applied Biology, Laboratory of Plant Pathology, University of Alicante, 03690 Alicante, Spain
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3
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Volk MJ, Tran VG, Tan SI, Mishra S, Fatma Z, Boob A, Li H, Xue P, Martin TA, Zhao H. Metabolic Engineering: Methodologies and Applications. Chem Rev 2022; 123:5521-5570. [PMID: 36584306 DOI: 10.1021/acs.chemrev.2c00403] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Metabolic engineering aims to improve the production of economically valuable molecules through the genetic manipulation of microbial metabolism. While the discipline is a little over 30 years old, advancements in metabolic engineering have given way to industrial-level molecule production benefitting multiple industries such as chemical, agriculture, food, pharmaceutical, and energy industries. This review describes the design, build, test, and learn steps necessary for leading a successful metabolic engineering campaign. Moreover, we highlight major applications of metabolic engineering, including synthesizing chemicals and fuels, broadening substrate utilization, and improving host robustness with a focus on specific case studies. Finally, we conclude with a discussion on perspectives and future challenges related to metabolic engineering.
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Affiliation(s)
- Michael J Volk
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Vinh G Tran
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Shih-I Tan
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Shekhar Mishra
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Zia Fatma
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Aashutosh Boob
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Hongxiang Li
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Pu Xue
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Teresa A Martin
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Huimin Zhao
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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4
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Cheng J, Luo Z, Wang B, Yan L, Zhang S, Zhang J, Lu Y, Wang W. An artificial pathway for trans-4-hydroxy-L-pipecolic acid production from L-lysine in Escherichia coli. Biosci Biotechnol Biochem 2022; 86:1476-1481. [PMID: 35998310 DOI: 10.1093/bbb/zbac118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/06/2022] [Indexed: 11/14/2022]
Abstract
Trans-4-hydroxy-L-pipecolic acid (Trans-4-HyPip) is a hydroxylated product of L-pipecolic acid, and which is widely used in pharmaceutical and chemical industry. Here, a trans-4-HyPip biosynthesis module was designed and constructed in Escherichia coli by overexpressing lysine α-oxidase, Δ1-piperideine-2-carboxylase reductase, glucose dehydrogenase, lysine permease, catalase and L-pipecolic acid trans-4-hydroxylase for expanding the lysine catabolism pathway. 4.89 g/L of trans-4-HyPip was generated in shake flasks from 8 g/L of L-pipecolic acid. By this approach, 14.86 g/L of trans-4-HyPip was produced from lysine after 48 h in a 5-L bioreactor. As far as we know, this is the first multi-enzyme cascade catalytic system for the production of trans-4-HyPip using Escherichia coli from L-lysine. Therefore, it can be considered as a potential candidate for industrial production of trans-4-HyPip in microorganisms.
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Affiliation(s)
- Jie Cheng
- Meat Processing Key Laboratory of Sichuan Province, College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China
| | - Zhou Luo
- Meat Processing Key Laboratory of Sichuan Province, College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China
| | - Bangxu Wang
- Meat Processing Key Laboratory of Sichuan Province, College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China.,College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, P.R. China
| | - Lixiu Yan
- Chongqing Academy of Metrology and Quality Inspection, Chongqing, P.R. China
| | - Suyi Zhang
- Luzhou Laojiao Co., Ltd., Luzhou, Sichuan, P.R. China
| | - Jiamin Zhang
- Meat Processing Key Laboratory of Sichuan Province, College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China
| | - Yao Lu
- College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, P.R. China
| | - Wei Wang
- Meat Processing Key Laboratory of Sichuan Province, College of Food and Biological Engineering, Chengdu University, Chengdu, P.R. China
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