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Bellanger T, Wien F, Combet S, Varela PF, Weidmann S. The role of membrane physiology in sHSP Lo18-lipid interaction and lipochaperone activity. Sci Rep 2024; 14:17048. [PMID: 39048624 PMCID: PMC11269701 DOI: 10.1038/s41598-024-67362-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Accepted: 07/10/2024] [Indexed: 07/27/2024] Open
Abstract
To cope with environmental stresses, organisms, including lactic acid bacteria such as O. oeni, produce stress proteins called HSPs. In wine, O. oeni is constantly confronted by stress affecting its membrane fluidity. To survive through in these deleterious conditions, O. oeni synthesizes Lo18, a unique, small HSP which acts as a molecular chaperone and a lipochaperone. The molecular mechanism underlying its lipochaperone activity, particularly regarding membrane lipid composition, remains poorly understood. In this context, Lo18 lipochaperone activity and the associated modification in protein structure were studied during interaction with different liposomes from O. oeni cultures representing unstressed, stressed and stressed-adapted physiological states. The results showed that the presence of the membrane (whatever its nature) induces a modification of Lo18's structure. Also, the presence of oleic acid and/or phosphatidylglycerol is important to favor Lo18-membrane interaction, allowing lipochaperone activity. This research enhances understanding of sHSP-membrane interactions in bacterial systems.
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Affiliation(s)
- Tiffany Bellanger
- Univ. Bourgogne, UMR PAM A 02.102, Institut Agro Dijon, INRAE, 21000, Dijon, France
| | - Frank Wien
- Synchrotron SOLEIL, L'Orme Des Merisiers, Saint Aubin BP 48, 91192, Gif-Sur-Yvette, France
| | - Sophie Combet
- Laboratoire Léon-Brillouin (LLB), UMR12 CEA, CNRS, Université Paris-Saclay, 91191, Gif-Sur-Yvette CEDEX, France
| | | | - Stéphanie Weidmann
- Univ. Bourgogne, UMR PAM A 02.102, Institut Agro Dijon, INRAE, 21000, Dijon, France.
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2
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Butts M, Sundaram VL, Murughiyan U, Borthakur A, Singh S. The Influence of Alcohol Consumption on Intestinal Nutrient Absorption: A Comprehensive Review. Nutrients 2023; 15:nu15071571. [PMID: 37049411 PMCID: PMC10096942 DOI: 10.3390/nu15071571] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/18/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Chronic alcohol use has been attributed to the development of malnutrition. This is in part due to the inhibitory effect of ethanol on the absorption of vital nutrients, including glucose, amino acids, lipids, water, vitamins, and minerals within the small intestine. Recent advances in research, along with new cutting-edge technologies, have advanced our understanding of the mechanism of ethanol's effect on intestinal nutrient absorption at the brush border membrane (BBM) of the small intestine. However, further studies are needed to delineate how ethanol consumption could have an impact on altered nutrient absorption under various disease conditions. Current research has elucidated the relationship of alcohol consumption on glucose, glutamine, vitamins B1 (thiamine), B2 (riboflavin), B9 (folate), C (ascorbic acid), selenium, iron, and zinc absorption within the small intestine. We conducted systematic computerized searches in PubMed using the following keywords: (1) "Alcohol effects on nutrient transport"; (2) "Alcohol mediated malabsorption of nutrients"; (3) "Alcohol effects on small intestinal nutrient transport"; and (4) "Alcohol mediated malabsorption of nutrients in small intestine". We included the relevant studies in this review. The main objective of this review is to marshal and analyze previously published research articles and discuss, in-depth, the understanding of ethanol's effect in modulating absorption of vital macro and micronutrients in health and disease conditions. This could ultimately provide great insights in the development of new therapeutic strategies to combat malnutrition associated with alcohol consumption.
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Affiliation(s)
- Molly Butts
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA
| | - Vijaya Lakshmi Sundaram
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA
| | - Usha Murughiyan
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA
| | - Alip Borthakur
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA
| | - Soudamani Singh
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA
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3
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Hu Y, Zhou Y, Fu S, Zhou M, Xu N, Li D, Wang C, Hu Y. Coordination of characteristic cytomembrane and energy metabolism contributes to ethanol-tolerance of Acetobacter pasteurianus. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Chen Q, Yang X, Meng Q, Zhao L, Yuan Y, Chi W, He L, Shi K, Liu S. Integrative multiomics analysis of the acid stress response of Oenococcus oeni mutants at different growth stages. Food Microbiol 2021; 102:103905. [PMID: 34809937 DOI: 10.1016/j.fm.2021.103905] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Acid stress is one of the most important environmental stresses that adversely affect the growth of lactic acid bacteria (LAB), such as Oenococcus oeni which was isolated from grape-berries and mainly used in wine fermentation. The aim of this paper is to comprehensively characterize the mechanisms of acid stress regulation in O. oeni and to provide a viable theoretical basis for breed and improvement of existing LAB. METHOD First, six O. oeni mutants with acid-sensitive (strains b2, a1, c2) and acid-tolerant (strains b1, a3, c1) phenotypes were screened from three wild-type O. oeni, and then their genome (sequencing), transcriptome and metabolome (LC-MS/MS) were examined. RESULTS A total of 459 genes were identified with one or more intragenic single nucleotide polymorphisms (SNPs) in these mutants, and were extensively involved in metabolism and cellular functions with a high mutation rates in purine (46%) and pyrimidine (48%) metabolic pathways. There were 210 mutated genes that cause significant changes in expression levels. In addition, 446 differentially accumulated metabolites were detected, and they were consistently detected at relatively high levels in the acid-tolerant O. oeni mutant. The levels of intracellular differentially expressed genes and differential metabolites changed with increasing culture time. CONCLUSION The integrative pathways analysis showed that the intracellular response associated with acid regulation differed significantly between acid-sensitive and acid-tolerant O. oeni mutants, and also changed at different growth stages.
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Affiliation(s)
- Qiling Chen
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China; College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang, China
| | - Xiangke Yang
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China; Henan University of Animal Husbandry and Economy, Zhenzhou, Henan, China
| | - Qiang Meng
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China
| | - Lili Zhao
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China
| | - Yuxin Yuan
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China
| | - Wei Chi
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China
| | - Ling He
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, China
| | - Kan Shi
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China; Ningxia Helan Mountain's East Foothill Wine Experiment and Demonstration Station of, Northwest A&F University, Yongning, Ningxia, 750104, China.
| | - Shuwen Liu
- College of Enology, Northwest A&F University, Yangling, Shaanxi, China; Ningxia Helan Mountain's East Foothill Wine Experiment and Demonstration Station of, Northwest A&F University, Yongning, Ningxia, 750104, China.
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5
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Exploring the diversity of bacteriophage specific to Oenococcus oeni and Lactobacillus spp and their role in wine production. Appl Microbiol Biotechnol 2021; 105:8575-8592. [PMID: 34694447 DOI: 10.1007/s00253-021-11509-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 12/19/2022]
Abstract
The widespread existence of bacteriophage has been of great interest to the biological research community and ongoing investigations continue to explore their diversity and role. They have also attracted attention and in-depth research in connection to fermented food processing, in particular from the dairy and wine industries. Bacteriophage, mostly oenophage, may in fact be a 'double edged sword' for winemakers: whilst they have been implicated as a causal agent of difficulties with malolactic fermentation (although not proven), they are also beginning to be considered as alternatives to using sulphur dioxide to prevent wine spoilage. Investigation and characterisation of oenophage of Oenococcus oeni, the main species used in winemaking, are still limited compared to lactococcal bacteriophage of Lactococcus lactis and Lactiplantibacillus plantarum (formally Lactobacillus plantarum), the drivers of most fermented dairy products. Interestingly, these strains are also being used or considered for use in winemaking. In this review, the genetic diversity and life cycle of phage, together with the debate on the consequent impact of phage predation in wine, and potential control strategies are discussed. KEY POINTS: • Bacteriophage detected in wine are diverse. • Many lysogenic bacteriophage are found in wine bacteria. • Phage impact on winemaking can depend on the stage of the winemaking process. • Bacteriophage as potential antimicrobial agents against spoilage organisms.
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6
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Nartea A, Falcone PM, Torri L, Ghanbarzadeh B, Frega NG, Pacetti D. Modeling Softening Kinetics at Cellular Scale and Phytochemicals Extractability in Cauliflower under Different Cooking Treatments. Foods 2021; 10:1969. [PMID: 34574079 PMCID: PMC8472173 DOI: 10.3390/foods10091969] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 01/18/2023] Open
Abstract
The effects induced by heat on Depurple and Cheddar (Brassica oleracea L. var. botrytis) during boiling, steaming, and sous-vide were investigated to elucidate the role of the basic cellular elements in softening and extractability of sterols and tocopherols. With this aim, an elastoplastic mechanical model was conceptualized at a cell scale-size and validated under creep experiments. The total amount of the phytochemicals was used to validate multivariate regression models in forecasting. Boiling was the most effective method to enhance the softening mechanisms causing tissue decompartmentalization through cell wall loosening with respect to those causing cell separation, having no impact on the phytochemical extractability. Sous-vide showed the lowest impact on cell wall integrity, but the highest in terms of cell separation. Steaming showed an intermediate behavior. Tissue of the Depurple cauliflower was the most resistant to the heat, irrespectively to the heating technology. Local heterogeneity in the cell wall and cell membrane, expected as a plant variety-dependent functional property, was proposed as a possible explanation because sterol extractability under lower heat-transfer efficiency, i.e., steaming and sous-vide, decreased in Depurple and increased in Cheddar as well as because the extractability of sterols and tocopherols was greater in Cheddar.
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Affiliation(s)
- Ancuta Nartea
- Department of Agricultural, Food and Environmental Sciences (D3A)—Marche University Polytechnical, Monte Dago, Via Brecce Bianche, 10-60131 Ancona, Italy; (A.N.); (N.G.F.); (D.P.)
| | - Pasquale Massimiliano Falcone
- Department of Agricultural, Food and Environmental Sciences (D3A)—Marche University Polytechnical, Monte Dago, Via Brecce Bianche, 10-60131 Ancona, Italy; (A.N.); (N.G.F.); (D.P.)
| | - Luisa Torri
- University of Gastronomic Sciences, Piazza Vittorio Emanuele II, 9-12042 Pollenzo, Cuneo, Italy;
| | - Babak Ghanbarzadeh
- Department of Food Science and Technology, University of Tabriz, Tabriz 51666-16471, Iran;
| | - Natale Giuseppe Frega
- Department of Agricultural, Food and Environmental Sciences (D3A)—Marche University Polytechnical, Monte Dago, Via Brecce Bianche, 10-60131 Ancona, Italy; (A.N.); (N.G.F.); (D.P.)
| | - Deborah Pacetti
- Department of Agricultural, Food and Environmental Sciences (D3A)—Marche University Polytechnical, Monte Dago, Via Brecce Bianche, 10-60131 Ancona, Italy; (A.N.); (N.G.F.); (D.P.)
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7
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Sommers KJ, Bentley BS, Carden RG, Post SJ, Allen RA, Kontos RC, Black JW, Wuest WM, Minbiole KPC. Metallocene QACs: The Incorporation of Ferrocene Moieties into monoQAC and bisQAC Structures. ChemMedChem 2020; 16:467-471. [PMID: 33197298 DOI: 10.1002/cmdc.202000605] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/12/2020] [Indexed: 01/12/2023]
Abstract
Inspired by the incorporation of metallocene functionalities into a variety of bioactive structures, particularly antimicrobial peptides, we endeavored to broaden the structural variety of quaternary ammonium compounds (QACs) by the incorporation of the ferrocene moiety. Accordingly, 23 ferrocene-containing mono- and bisQACs were prepared in high yields and tested for activity against a variety of bacteria, including Gram-negative strains and a panel of clinically isolated MRSA strains. Ferrocene QACs were shown to be effective antiseptics with some displaying single-digit micromolar activity against all bacteria tested, demonstrating yet another step in the expansion of structural variety of antiseptic QACs.
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Affiliation(s)
- Kyle J Sommers
- Department of Chemistry, Villanova University, Villanova, PA 19085, USA
| | - Brian S Bentley
- Department of Chemistry, Villanova University, Villanova, PA 19085, USA
| | - Robert G Carden
- Department of Chemistry, Villanova University, Villanova, PA 19085, USA
| | - Savannah J Post
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA
| | - Ryan A Allen
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA
| | - Renee C Kontos
- Department of Chemistry, Villanova University, Villanova, PA 19085, USA
| | - Jacob W Black
- Department of Chemistry, Villanova University, Villanova, PA 19085, USA
| | - William M Wuest
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA
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8
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Using stable isotope tracers to monitor membrane dynamics in C. elegans. Chem Phys Lipids 2020; 233:104990. [PMID: 33058817 DOI: 10.1016/j.chemphyslip.2020.104990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 10/06/2020] [Accepted: 10/06/2020] [Indexed: 12/29/2022]
Abstract
Membranes within an animal are composed of phospholipids, cholesterol, and proteins that together form a dynamic barrier. The types of lipids that are found within a membrane bilayer impact its biophysical properties including its fluidity, permeability, and susceptibility to damage. While membrane composition is very stable in healthy adults, aberrant membrane structure is seen in a wide and varied array of diseases as well as during natural aging. Despite the wide-reaching impacts of membrane composition, there is relatively little known about how membrane landscape is established and maintained over time. In vivo biochemical modeling of membrane lipids is needed to understand how these molecules interact in their natural configurations. Here, we have described analytical methods that increase the capacity to map the dynamics of individual membrane phospholipids using different types of mass spectrometry. Specifically, we describe novel stable isotope (13C and 15N) strategies to quantify the turnover of dozens of fatty acid tails and intact phospholipids simultaneously.
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9
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Vaessen EMJ, Kemme HA, Timmermans RAH, Schutyser MAI, den Besten HMW. Temperature and presence of ethanol affect accumulation of intracellular trehalose in Lactobacillus plantarum WCFS1 upon pulsed electric field treatment. Bioelectrochemistry 2020; 137:107680. [PMID: 33120293 DOI: 10.1016/j.bioelechem.2020.107680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/19/2020] [Accepted: 09/24/2020] [Indexed: 11/17/2022]
Abstract
Pulsed electric field (PEF) treatment can be used to increase intracellular small molecule concentrations in bacteria, which can lead to enhanced robustness of these cells during further processing. In this study we investigated the effects of the PEF treatment temperature and the presence of 8% (v/v) ethanol in the PEF medium on cell survival, membrane fluidity and intracellular trehalose concentrations of Lactobacillus plantarum WCFS1. A moderate PEF treatment temperature of 21 °C resulted in a high cell survival combined with higher intracellular trehalose concentrations compared to a treatment at 10 and 35 °C. Interestingly, highest intracellular trehalose concentrations were observed upon supplementing the PEF medium with 8% ethanol, which resulted in more than a doubling in intracellular trehalose concentrations, while culture survival was retained. Overall, this study shows that treatment temperature and PEF medium optimization are important directions for improving molecule uptake upon PEF processing.
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Affiliation(s)
- E M J Vaessen
- Food Process Engineering, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands; Food Microbiology, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands
| | - H A Kemme
- Food Process Engineering, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands; Food Microbiology, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands
| | - R A H Timmermans
- Wageningen Food and Biobased Research, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands
| | - M A I Schutyser
- Food Process Engineering, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands
| | - H M W den Besten
- Food Microbiology, Wageningen University and Research, P.O. Box 17, 6700 AA Wageningen, the Netherlands.
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10
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Yang K, Liu M, Yang J, Wei X, Fan M, Zhang G. Physiological and proteomic responses of freeze-dried Oenococcus oeni SD-2a with ethanol-acclimations. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109425] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Bartle L, Sumby K, Sundstrom J, Jiranek V. The microbial challenge of winemaking: yeast-bacteria compatibility. FEMS Yeast Res 2020; 19:5513997. [PMID: 31187141 DOI: 10.1093/femsyr/foz040] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 06/10/2019] [Indexed: 12/25/2022] Open
Abstract
The diversity and complexity of wine environments present challenges for predicting success of fermentation. In particular, compatibility between yeast and lactic acid bacteria is affected by chemical and physical parameters that are strain and cultivar specific. This review focuses on the impact of compound production by microbes and physical interactions between microbes that ultimately influence how yeast and bacteria may work together during fermentation. This review also highlights the importance of understanding microbial interactions for yeast-bacteria compatibility in the wine context.
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Affiliation(s)
- Louise Bartle
- Department of Wine and Food Science, University of Adelaide, Adelaide, SA 5064, Australia
| | - Krista Sumby
- Department of Wine and Food Science, University of Adelaide, Adelaide, SA 5064, Australia.,Australian Research Council Training Centre for Innovative Wine Production, PMB1, Glen Osmond, SA, 5064, Australia
| | - Joanna Sundstrom
- Department of Wine and Food Science, University of Adelaide, Adelaide, SA 5064, Australia.,Australian Research Council Training Centre for Innovative Wine Production, PMB1, Glen Osmond, SA, 5064, Australia
| | - Vladimir Jiranek
- Department of Wine and Food Science, University of Adelaide, Adelaide, SA 5064, Australia.,Australian Research Council Training Centre for Innovative Wine Production, PMB1, Glen Osmond, SA, 5064, Australia
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12
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Leitgeb AJ, Feliciano JA, Sanchez HA, Allen RA, Morrison KR, Sommers KJ, Carden RG, Wuest WM, Minbiole KPC. Further Investigations into Rigidity-Activity Relationships in BisQAC Amphiphilic Antiseptics. ChemMedChem 2020; 15:667-670. [PMID: 32022457 PMCID: PMC8322965 DOI: 10.1002/cmdc.201900662] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/09/2020] [Indexed: 12/11/2022]
Abstract
Thirty-six biscationic quaternary ammonium compounds were efficiently synthesized in one step to examine the effect of molecular geometry of two-carbon linkers on antimicrobial activity. The synthesized compounds showed strong antimicrobial activity against a panel of both Gram-positive and Gram-negative bacteria, including methicillin-resistant Staphylococcus aureus (MRSA). While the linker geometry showed only a modest correlation with antimicrobial activity, several of the synthesized bisQACs are promising potential antiseptics due to good antimicrobial activity (MIC≤2 μM) and their higher therapeutic indices compared to previously reported QACs.
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Affiliation(s)
- Austin J. Leitgeb
- Department of Chemistry, Villanova University, Villanova, PA, 19085 (USA)
| | | | - Hugo A. Sanchez
- Department of Chemistry, Villanova University, Villanova, PA, 19085 (USA)
| | - Ryan A. Allen
- Department of Chemistry, Villanova University, Villanova, PA, 19085 (USA)
| | | | - Kyle J. Sommers
- Department of Chemistry, Emory University, Atlanta, GA, 30322 (USA)
| | - Robert G. Carden
- Department of Chemistry, Villanova University, Villanova, PA, 19085 (USA)
| | - William M. Wuest
- Department of Chemistry, Emory University, Atlanta, GA, 30322 (USA)
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13
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Di Martino C, Testa B, Letizia F, Iorizzo M, Lombardi SJ, Ianiro M, Di Renzo M, Strollo D, Coppola R. Effect of exogenous proline on the ethanolic tolerance and malolactic performance of Oenococcus oeni. Journal of Food Science and Technology 2020; 57:3973-3979. [PMID: 33071319 DOI: 10.1007/s13197-020-04426-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/27/2020] [Accepted: 04/03/2020] [Indexed: 10/24/2022]
Abstract
The use of malolactic starter cultures, often offer no guarantee of microbiological success due to the chemical and physical factors (pH, ethanol, SO2, nutrient availability) that occur during the winemaking process. This study was born with the aim of improving the performance of the lactic acid bacteria used as a starter culture in the de-acidification of wines. Two commercial strains of Oenococcus oeni, were used. Was evaluated the effect of exogenous l-proline added during the bacterial growth, on the improvement of their survival in the presence of different ethanol concentrations and their ability to degrade l-malic acid in synthetic wine with the presence of 12% (v/v) and 13% (v/v) of ethanol. The results showed that l-proline improve ethanol tolerance and so the malolactic performances of O. oeni. This work represents an important strategy to ensure good vitality and improve the performance of the malolactic starter.
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Affiliation(s)
- Catello Di Martino
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Bruno Testa
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Francesco Letizia
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Silvia Jane Lombardi
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Mario Ianiro
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
| | - Massimo Di Renzo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy.,Mastroberardino SpA Winery, Atripalda, AV Italy
| | | | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy
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14
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Fonseca F, Pénicaud C, Tymczyszyn EE, Gómez-Zavaglia A, Passot S. Factors influencing the membrane fluidity and the impact on production of lactic acid bacteria starters. Appl Microbiol Biotechnol 2019; 103:6867-6883. [DOI: 10.1007/s00253-019-10002-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/25/2019] [Accepted: 06/27/2019] [Indexed: 01/09/2023]
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15
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Nakarada Đ, Pejin B, Tommonaro G, Mojović M. Liposomal integration method for assessing antioxidative activity of water insoluble compounds towards biologically relevant free radicals: example of avarol. J Liposome Res 2019; 30:218-226. [PMID: 31146614 DOI: 10.1080/08982104.2019.1625378] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The liposomal integration method, in conjunction with electron paramagnetic resonance (EPR) spectroscopy, has been presented for the investigation of antioxidant activity of selected water-insoluble compound towards biologically relevant free radicals. This method was applied to avarol, a sesquiterpenoid hydroquinone isolated from the marine sponge Dysidea avara. The antioxidant activity of water-insoluble avarol towards •OH, O2•- and NO• radicals was attained by its incorporation into the DPPC liposomes bilayer, and towards ascorbyl radicals in the organic solvent. Avarol's activity towards •OH, O2•-, NO• and ascorbyl radicals was 86.2%, 50.9%, 23.6% and 61.8%, respectively, showing its significant radical scavenging potential.
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Affiliation(s)
- Đura Nakarada
- Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
| | - Boris Pejin
- Department of Life Sciences, Institute for Multidisciplinary Research - IMSI, University of Belgrade, Belgrade, Serbia
| | | | - Miloš Mojović
- Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
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16
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Kontos RC, Schallenhammer SA, Bentley BS, Morrison KR, Feliciano JA, Tasca JA, Kaplan AR, Bezpalko MW, Kassel WS, Wuest WM, Minbiole KPC. An Investigation into Rigidity-Activity Relationships in BisQAC Amphiphilic Antiseptics. ChemMedChem 2018; 14:83-87. [PMID: 30358105 DOI: 10.1002/cmdc.201800622] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Indexed: 12/27/2022]
Abstract
Twenty-one mono- and biscationic quaternary ammonium amphiphiles (monoQACs and bisQACs) were rapidly prepared in order to investigate the effects of rigidity of a diamine core structure on antiseptic activity. As anticipated, the bioactivity against a panel of six bacteria including methicillin-resistant Staphylococcus aureus (MRSA) strains was strong for bisQAC structures, and is clearly correlated with the length of non-polar side chains. Modest advantages were noted for amide-containing side chains, as compared with straight-chained alkyl substituents. Surprisingly, antiseptics with more rigidly disposed side chains, such as those in DABCO-12,12, showed the highest level of antimicrobial activity, with single-digit MIC values or better against the entire bacterial panel, including sub-micromolar activity against an MRSA strain.
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Affiliation(s)
- Renee C Kontos
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | | | - Brian S Bentley
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - Kelly R Morrison
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Javier A Feliciano
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - Julia A Tasca
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - Anna R Kaplan
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Mark W Bezpalko
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - W Scott Kassel
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
| | - William M Wuest
- Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
| | - Kevin P C Minbiole
- Department of Chemistry, Villanova University, Villanova, PA, 19085, USA
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17
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Darsonval M, Julliat F, Msadek T, Alexandre H, Grandvalet C. CtsR, the Master Regulator of Stress-Response in Oenococcus oeni, Is a Heat Sensor Interacting With ClpL1. Front Microbiol 2018; 9:3135. [PMID: 30619203 PMCID: PMC6305308 DOI: 10.3389/fmicb.2018.03135] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 12/04/2018] [Indexed: 11/13/2022] Open
Abstract
Oenococcus oeni is a lactic acid bacterium responsible for malolactic fermentation of wine. While many stress response mechanisms implemented by O. oeni during wine adaptation have been described, little is known about their regulation. CtsR is the only regulator of stress response genes identified to date in O. oeni. Extensively characterized in Bacillus subtilis, the CtsR repressor is active as a dimer at 37°C and degraded at higher temperatures by a proteolytic mechanism involving two adapter proteins, McsA and McsB, together with the ClpCP complex. The O. oeni genome does not encode orthologs of these adapter proteins and the regulation of CtsR activity remains unknown. In this study, we investigate CtsR function in O. oeni by using antisense RNA silencing in vivo to modulate ctsR gene expression. Inhibition of ctsR gene expression by asRNA leads to a significant loss in cultivability after heat shock (58%) and acid shock (59%) highlighting the key role of CtsR in the O. oeni stress response. Regulation of CtsR activity was studied using a heterologous expression system to demonstrate that O. oeni CtsR controls expression and stress induction of the O. oeni hsp18 gene when produced in a ctsR-deficient B. subtilis strain. Under heat stress conditions, O. oeni CtsR acts as a temperature sensor and is inactivated at growth temperatures above 33°C. Finally, using an E. coli bacterial two-hybrid system, we showed that CtsR and ClpL1 interact, suggesting a key role for ClpL1 in controlling CtsR activity in O. oeni.
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Affiliation(s)
- Maud Darsonval
- UMR A. 02.102 Procédés Alimentaires et Microbiologique, AgroSup Dijon, Université Bourgogne Franche-Comté, Dijon, France
| | - Frédérique Julliat
- UMR A. 02.102 Procédés Alimentaires et Microbiologique, AgroSup Dijon, Université Bourgogne Franche-Comté, Dijon, France
| | - Tarek Msadek
- Unité de Biologie des Bactéries Pathogènes à Gram Positif, Institut Pasteur, Paris, France.,CNRS ERL 6002, Paris, France
| | - Hervé Alexandre
- UMR A. 02.102 Procédés Alimentaires et Microbiologique, AgroSup Dijon, Université Bourgogne Franche-Comté, Dijon, France.,Institut Universitaire de la Vigne et du Vin - Jules Guyot, Dijon, France
| | - Cosette Grandvalet
- UMR A. 02.102 Procédés Alimentaires et Microbiologique, AgroSup Dijon, Université Bourgogne Franche-Comté, Dijon, France.,Institut National Supérieur des Sciences Agronomiques, de L'Alimentation et de L'Environnement, AgroSup Dijon, Dijon, France
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18
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Improving stress tolerance and cell integrity of Rhodococcus ruber by overexpressing small-shock-protein Hsp16 of Rhodococcus. ACTA ACUST UNITED AC 2018; 45:929-938. [DOI: 10.1007/s10295-018-2066-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 07/27/2018] [Indexed: 01/10/2023]
Abstract
Abstract
Rhodococcus species have been successfully used as cell catalysts for valuable chemicals production due to their well-characterized resistance to harmful factors. An understanding of how they respond to stress is of great interest, which will enable the identification of engineering strategies for further improving their resistance and maintaining cell integrity and viability. Here, we assessed the transcriptome response of R. ruber TH3 to heat shock. Approximately, 376 genes were up-regulated in heat-shocked TH3. Among all the up-regulated functional genes, the small heat-shock-protein (Hsp16) with maximal enhanced transcript (463-fold) was identified, and its function was investigated. Results showed that overexpressed Hsp16 has no significant promotive effect on stress tolerance of in-cell enzyme. Interestingly, compared to the control TH3, a little fewer pores and folds on the surface of TH3(Hsp16) and more intact TH3(Hsp-GFP) cells under AM treatment were observed by SEM and LCSM, respectively. Moreover, survival test showed that more (about 501–700) TH3(Hsp16) colonies were observed while only 1–100 TH3 colonies after 50% AM treatment, and this trend is also found in high-temperature cultivation experiments. These results indicate that Hsp16 does great contributions to preventing cell leakage, maintaining cell integrity and viability of R. ruber under stress conditions.
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19
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Polley A. Partition of common anesthetic molecules in the liquid disordered phase domain of a composite multicomponent membrane. Phys Rev E 2018; 98:012409. [PMID: 30110859 DOI: 10.1103/physreve.98.012409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Indexed: 01/04/2023]
Abstract
Despite a vast clinical application of anesthetics, the molecular level of understanding of general anesthesia is far from our reach. Using atomistic molecular dynamics simulation, we study the effects of common anesthetics: ethanol, chloroform, and methanol in the fully hydrated symmetric multicomponent lipid bilayer membrane comprised of an unsaturated palmitoyl-oleoyl-phosphatidyl-choline (POPC), a saturated palmitoyl-sphingomyelin, and cholesterol, which exhibits phase coexistence of liquid-ordered (l_{o})-liquid-disordered (l_{d}) phase domains. We find that the mechanical and physical properties such as the thickness and rigidity of the membrane are reduced while the lateral expansion of the membrane is exhibited in the presence of anesthetic molecules. Our simulation shows both lateral and transverse heterogeneity of the anesthetics in the composite multicomponent lipid membrane. Both ethanol and chloroform partition in the POPC-rich l_{d} phase domain, while methanol is distributed in both l_{o}-l_{d} phase domains. Chloroform can penetrate deep into the membrane, while methanol partitions mostly at the water layer closed to the head group and ethanol at the neck of the lipids in the membrane.
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Affiliation(s)
- Anirban Polley
- Department of Chemical Engineering, Columbia University, New York City, New York 10027, USA
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20
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Jiang J, Sumby KM, Sundstrom JF, Grbin PR, Jiranek V. Directed evolution of Oenococcus oeni strains for more efficient malolactic fermentation in a multi-stressor wine environment. Food Microbiol 2018. [DOI: 10.1016/j.fm.2018.01.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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Dimopoulou M, Raffenne J, Claisse O, Miot-Sertier C, Iturmendi N, Moine V, Coulon J, Dols-Lafargue M. Oenococcus oeni Exopolysaccharide Biosynthesis, a Tool to Improve Malolactic Starter Performance. Front Microbiol 2018; 9:1276. [PMID: 29946314 PMCID: PMC6006919 DOI: 10.3389/fmicb.2018.01276] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 05/25/2018] [Indexed: 01/01/2023] Open
Abstract
Oenococcus oeni is the lactic acid bacterium that most commonly drives malolactic fermentation (MLF) in wine. Though the importance of MLF in terms of wine microbial stability and sensory improvement is well established, it remains a winemaking step not so easy to control. O. oeni displays many adaptation tools to resist the harsh wine conditions which explain its natural dominance at this stage of winemaking. Previous findings showed that capsular polysaccharides and endogenous produced dextran increased the survival rate and the conservation time of malolactic starters. In this paper, we showed that exopolysaccharides specific production rates were increased in the presence of single stressors relevant to wine (pH, ethanol). The transcription of the associated genes was investigated in distinct O. oeni strains. The conditions in which eps genes and EPS synthesis were most stimulated were then evaluated for the production of freeze dried malolactic starters, for acclimation procedures and for MLF efficiency. Sensory analysis tests on the resulting wines were finally performed.
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Affiliation(s)
- Maria Dimopoulou
- Université de Bordeaux, EA 4577 Œnologie, INRA, USC 1366, ISVV, Bordeaux INP, Villenave-d'Ornon, France
| | - Jerôme Raffenne
- Université de Bordeaux, EA 4577 Œnologie, INRA, USC 1366, ISVV, Bordeaux INP, Villenave-d'Ornon, France
| | - Olivier Claisse
- Université de Bordeaux, EA 4577 Œnologie, INRA, USC 1366, ISVV, Bordeaux INP, Villenave-d'Ornon, France
| | - Cécile Miot-Sertier
- Université de Bordeaux, EA 4577 Œnologie, INRA, USC 1366, ISVV, Bordeaux INP, Villenave-d'Ornon, France
| | | | | | | | - Marguerite Dols-Lafargue
- Université de Bordeaux, EA 4577 Œnologie, INRA, USC 1366, ISVV, Bordeaux INP, Villenave-d'Ornon, France
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22
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Bravo-Ferrada BM, Gonçalves S, Semorile L, Santos NC, Brizuela NS, Elizabeth Tymczyszyn E, Hollmann A. Cell surface damage and morphological changes in Oenococcus oeni after freeze-drying and incubation in synthetic wine. Cryobiology 2018; 82:15-21. [DOI: 10.1016/j.cryobiol.2018.04.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 04/25/2018] [Accepted: 04/25/2018] [Indexed: 10/17/2022]
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23
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Bonomo MG, Di Tomaso K, Calabrone L, Salzano G. Ethanol stress in Oenococcus oeni: transcriptional response and complex physiological mechanisms. J Appl Microbiol 2018; 125:2-15. [PMID: 29377375 DOI: 10.1111/jam.13711] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/21/2017] [Accepted: 01/23/2018] [Indexed: 01/24/2023]
Abstract
Oenococcus oeni is the dominant species able to cope with a hostile environment of wines, comprising cumulative effects of low pH, high ethanol and SO2 content, nonoptimal growth temperatures and growth inhibitory compounds. Ethanol tolerance is a crucial feature for the activity of O. oeni cells in wine because ethanol acts as a disordering agent of its cell membrane and negatively affects metabolic activity; it damages the membrane integrity, decreases cell viability and, as other stress conditions, delays the start of malolactic fermentation with a consequent alteration of wine quality. The cell wall, cytoplasmic membrane and metabolic pathways are the main sites involved in physiological changes aimed to ensure an adequate adaptive response to ethanol stress and to face the oxidative damage caused by increasing production of reactive oxygen species. Improving our understanding of the cellular impact of ethanol toxicity and how the cell responds to ethanol stress can facilitate the development of strategies to enhance microbial ethanol tolerance; this allows to perform a multidisciplinary endeavour requiring not only an ecological study of the spontaneous process but also the characterization of useful technological and physiological features of the predominant strains in order to select those with the highest potential for industrial applications.
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Affiliation(s)
- M G Bonomo
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - K Di Tomaso
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy.,Ph.D School in Applied and Environmental Safeguard, Università degli Studi della Basilicata, Potenza, Italy
| | - L Calabrone
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - G Salzano
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
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24
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Contreras A, Ribbeck M, Gutiérrez GD, Cañon PM, Mendoza SN, Agosin E. Mapping the Physiological Response of Oenococcus oeni to Ethanol Stress Using an Extended Genome-Scale Metabolic Model. Front Microbiol 2018; 9:291. [PMID: 29545779 PMCID: PMC5838312 DOI: 10.3389/fmicb.2018.00291] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Accepted: 02/07/2018] [Indexed: 11/13/2022] Open
Abstract
The effect of ethanol on the metabolism of Oenococcus oeni, the bacterium responsible for the malolactic fermentation (MLF) of wine, is still scarcely understood. Here, we characterized the global metabolic response in O. oeni PSU-1 to increasing ethanol contents, ranging from 0 to 12% (v/v). We first optimized a wine-like, defined culture medium, MaxOeno, to allow sufficient bacterial growth to be able to quantitate different metabolites in batch cultures of O. oeni. Then, taking advantage of the recently reconstructed genome-scale metabolic model iSM454 for O. oeni PSU-1 and the resulting experimental data, we determined the redistribution of intracellular metabolic fluxes, under the different ethanol conditions. Four growth phases were clearly identified during the batch cultivation of O. oeni PSU-1 strain, according to the temporal consumption of malic and citric acids, sugar and amino acids uptake, and biosynthesis rates of metabolic products - biomass, erythritol, mannitol and acetic acid, among others. We showed that, under increasing ethanol conditions, O. oeni favors anabolic reactions related with cell maintenance, as the requirements of NAD(P)+ and ATP increased with ethanol content. Specifically, cultures containing 9 and 12% ethanol required 10 and 17 times more NGAM (non-growth associated maintenance ATP) during phase I, respectively, than cultures without ethanol. MLF and citric acid consumption are vital at high ethanol concentrations, as they are the main source for proton extrusion, allowing higher ATP production by F0F1-ATPase, the main route of ATP synthesis under these conditions. Mannitol and erythritol synthesis are the main sources of NAD(P)+, countervailing for 51-57% of its usage, as predicted by the model. Finally, cysteine shows the fastest specific consumption rate among the amino acids, confirming its key role for bacterial survival under ethanol stress. As a whole, this study provides a global insight into how ethanol content exerts a differential physiological response in O. oeni PSU-1 strain. It will help to design better strategies of nutrient addition to achieve a successful MLF of wine.
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Affiliation(s)
- Angela Contreras
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Magdalena Ribbeck
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Guillermo D Gutiérrez
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo M Cañon
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Sebastián N Mendoza
- Mathomics, Center for Mathematical Modeling, Universidad de Chile, Santiago, Chile.,Center for Genome Regulation, Universidad de Chile, Santiago, Chile
| | - Eduardo Agosin
- Department of Chemical and Bioprocess Engineering, School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile
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25
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Wood JL, Tang C, Franks AE. Competitive Traits Are More Important than Stress-Tolerance Traits in a Cadmium-Contaminated Rhizosphere: A Role for Trait Theory in Microbial Ecology. Front Microbiol 2018; 9:121. [PMID: 29483898 PMCID: PMC5816036 DOI: 10.3389/fmicb.2018.00121] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 01/18/2018] [Indexed: 12/03/2022] Open
Abstract
Understanding how biotic and abiotic factors govern the assembly of rhizosphere-microbial communities is a long-standing goal in microbial ecology. In phytoremediation research, where plants are used to remediate heavy metal-contaminated soils, a deeper understanding of rhizosphere-microbial ecology is needed to fully exploit the potential of microbial-assisted phytoremediation. This study investigated whether Grime's competitor/stress-tolerator/ruderal (CSR) theory could be used to describe the impact of cadmium (Cd) and the presence of a Cd-accumulating plant, Carpobrotus rossii (Haw.) Schwantes, on the assembly of soil-bacterial communities using Illumina 16S rRNA profiling and the predictive metagenomic-profiling program, PICRUSt. Using predictions based on CSR theory, we hypothesized that Cd and the presence of a rhizosphere would affect community assembly. We predicted that the additional resource availability in the rhizosphere would enrich for competitive life strategists, while the presence of Cd would select for stress-tolerators. Traits identified as competitive followed CSR predictions, discriminating between rhizosphere and bulk-soil communities whilst stress-tolerance traits increased with Cd dose, but only in bulk-soil communities. These findings suggest that a bacterium's competitive attributes are critical to its ability to occupy and proliferate in a Cd-contaminated rhizosphere. Ruderal traits, which relate to community re-colonization potential, were synergistically decreased by the presence of the rhizosphere and Cd dose. Taken together this microcosm study suggests that the CSR theory is broadly applicable to microbial communities. Further work toward developing a simplified and robust strategy for microbial CSR classification will provide an ecologically meaningful framework to interpret community-level changes across a range of biomes.
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Affiliation(s)
- Jennifer L. Wood
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia
| | - Caixian Tang
- Center for AgriBiosciences, La Trobe University, Melbourne, VIC, Australia
| | - Ashley E. Franks
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia
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26
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Kanauchi M, Nagata A, Kondo A. Accumulation of Hydroxyl Fatty Acid inLactobacillus sakeiY-20 Cells Cultivated under Stress Conditions and Expression of Fatty Acid Hydroxylase. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2018. [DOI: 10.1080/03610470.2017.1402580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Makoto Kanauchi
- Department of Food Management, Miyagi University, 2-2-1 Hatatate, Taihaku-ku, Sendai, Miyagi, Japan
| | - Ayaka Nagata
- Department of Food Management, Miyagi University, 2-2-1 Hatatate, Taihaku-ku, Sendai, Miyagi, Japan
| | - Ayaka Kondo
- Department of Food Management, Miyagi University, 2-2-1 Hatatate, Taihaku-ku, Sendai, Miyagi, Japan
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27
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Marielle B, Sarrah G. Assessment of bacterial membrane fluidity by flow cytometry. J Microbiol Methods 2017; 143:50-57. [DOI: 10.1016/j.mimet.2017.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/13/2017] [Accepted: 10/14/2017] [Indexed: 10/18/2022]
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28
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Influence of glycosides on behavior of Oenococcus oeni in wine conditions: growth, substrates and aroma compounds. World J Microbiol Biotechnol 2017; 33:151. [DOI: 10.1007/s11274-017-2316-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 06/19/2017] [Indexed: 10/19/2022]
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29
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Wang J, Chen W, Nian H, Ji X, Lin L, Wei Y, Zhang Q. Inhibition of Polyunsaturated Fatty Acids Synthesis Decreases Growth Rate and Membrane Fluidity of Rhodosporidium kratochvilovae at Low Temperature. Lipids 2017; 52:729-735. [DOI: 10.1007/s11745-017-4273-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 06/08/2017] [Indexed: 12/01/2022]
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30
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Bonomo M, Cafaro C, Guerrieri A, Crispo F, Milella L, Calabrone L, Salzano G. Flow cytometry and capillary electrophoresis analyses in ethanol-stressedOenococcus oenistrains and changes assessment of membrane fatty acid composition. J Appl Microbiol 2017; 122:1615-1626. [DOI: 10.1111/jam.13466] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 02/11/2017] [Accepted: 03/21/2017] [Indexed: 12/01/2022]
Affiliation(s)
- M.G. Bonomo
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - C. Cafaro
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - A. Guerrieri
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - F. Crispo
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - L. Milella
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - L. Calabrone
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
| | - G. Salzano
- Dipartimento di Scienze; Università degli Studi della Basilicata; Potenza Italy
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31
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Costantini A, Doria F, Saiz JC, Garcia-Moruno E. Phage-host interactions analysis of newly characterized Oenococcus oeni bacteriophages: Implications for malolactic fermentation in wine. Int J Food Microbiol 2017; 246:12-19. [DOI: 10.1016/j.ijfoodmicro.2017.01.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 01/24/2017] [Accepted: 01/30/2017] [Indexed: 11/26/2022]
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32
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Moghaddam TK, Zhang J, Du G. UvrA expression of Lactococcus lactis NZ9000 improve multiple stresses tolerance and fermentation of lactic acid against salt stress. Journal of Food Science and Technology 2017; 54:639-649. [PMID: 28298677 DOI: 10.1007/s13197-017-2493-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 12/30/2016] [Accepted: 01/11/2017] [Indexed: 11/25/2022]
Abstract
Lactococcus lactis is subjected to several stressful conditions during industrial fermentation including oxidation, heating and cooling, acid, high osmolarity/dehydration and starvation. DNA lesion is a major cause of genetic instability in L. lactis that usually occurs at a low frequency, but it is greatly enhanced by environmental stresses. DNA damages produced by these environmental stresses are thought to induce DNA double-strand breaks, leading to illegitimate recombination. Nucleotide excision repair (NER) protein UvrA suppresses multiple stresses-induced illegitimate recombination. UvrA protein can survive a coincident condition of environmental harsh conditions, multiple stress factors supposedly encountered in the host and inducing UvrA in L. lactis. In this study the expression of UvrA and growth performance and viability of control strain L. lactisVector and recombinant strain L. lactisUvrA under multiple stress conditions were determined. The recombinants strain had 30.70 and 52.67% higher growth performances when subjected to acidic and osmotic stresses conditions. In addition, the L. lactisUvrA strain showed 1.85-, 1.65-, and 2.40-fold higher biomass, lactate production, and lactate productivity, compared with the corresponding values for L. lactisVector strain during the osmotic stress. Results demonstrated NER system is involved in adaptation to various stress conditions and suggested that cells with a compromised UvrA as DNA repair system have an enhanced protection behavior in L. lactis NZ9000 against DNA damage.
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Affiliation(s)
- Taher Khakpour Moghaddam
- Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China.,School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122 People's Republic of China
| | - Juan Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China.,School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122 People's Republic of China
| | - Guocheng Du
- Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China.,School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122 People's Republic of China
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33
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Zhao Y, Knøchel S, Siegumfeldt H. Heterogeneity between and within Strains of Lactobacillus brevis Exposed to Beer Compounds. Front Microbiol 2017; 8:239. [PMID: 28261191 PMCID: PMC5308056 DOI: 10.3389/fmicb.2017.00239] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 02/03/2017] [Indexed: 11/13/2022] Open
Abstract
This study attempted to investigate the physiological response of six Lactobacillus brevis strains to hop stress, with and without the addition of Mn2+ or ethanol. Based on the use of different fluorescent probes, cell viability and intracellular pH (pHi) were assessed by fluorescence microscopy combined with flow cytometry, at the single cell level. The combined approach was faster than the traditional colony based method, but also provided additional information about population heterogeneity with regard to membrane damage and cell size reduction, when exposed to hop compounds. Different physiological subpopulations were detected under hop stress in both hop tolerant and sensitive strains. A large proportion of cells were killed in all the tested strains, but a small subpopulation from the hop tolerant strains eventually recovered as revealed by pHi measurements. Furthermore, a short term protection against hop compounds was obtained for both hop tolerant and sensitive strains, by addition of high concentration of Mn2+. Addition of ethanol in combination with hop compounds caused an additional short term increase in damaged subpopulation, but the subsequent growth suggested that the presence of ethanol provides a slight cross resistance toward hop compounds.
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Affiliation(s)
- Yu Zhao
- Microbiology and Fermentation, Department of Food Science, Faculty of Science, University of Copenhagen Frederiksberg, Denmark
| | - Susanne Knøchel
- Microbiology and Fermentation, Department of Food Science, Faculty of Science, University of Copenhagen Frederiksberg, Denmark
| | - Henrik Siegumfeldt
- Microbiology and Fermentation, Department of Food Science, Faculty of Science, University of Copenhagen Frederiksberg, Denmark
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Liu Y, Rousseaux S, Tourdot-Maréchal R, Sadoudi M, Gougeon R, Schmitt-Kopplin P, Alexandre H. Wine microbiome: A dynamic world of microbial interactions. Crit Rev Food Sci Nutr 2017; 57:856-873. [PMID: 26066835 DOI: 10.1080/10408398.2014.983591] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Most fermented products are generated by a mixture of microbes. These microbial consortia perform various biological activities responsible for the nutritional, hygienic, and aromatic qualities of the product. Wine is no exception. Substantial yeast and bacterial biodiversity is observed on grapes, and in both must and wine. The diverse microorganisms present interact throughout the winemaking process. The interactions modulate the hygienic and sensorial properties of the wine. Many studies have been conducted to elucidate the nature of these interactions, with the aim of establishing better control of the two fermentations occurring during wine processing. However, wine is a very complex medium making such studies difficult. In this review, we present the current state of research on microbial interactions in wines. We consider the different kinds of interactions between different microorganisms together with the consequences of these interactions. We underline the major challenges to obtaining a better understanding of how microbes interact. Finally, strategies and methodologies that may help unravel microbe interactions in wine are suggested.
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Affiliation(s)
- Youzhong Liu
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France.,b Research Unit Analytical BioGeoChemistry , Helmholtz ZentrumMünchen, German Research Center for Environmental Health (GmbH) , Neuherberg , Germany
| | - Sandrine Rousseaux
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France
| | - Raphaëlle Tourdot-Maréchal
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France
| | - Mohand Sadoudi
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France
| | - Régis Gougeon
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France
| | - Philippe Schmitt-Kopplin
- b Research Unit Analytical BioGeoChemistry , Helmholtz ZentrumMünchen, German Research Center for Environmental Health (GmbH) , Neuherberg , Germany.,c Chair of Analytical Food Chemistry , Technische Universität München , Freising-Weihenstephan , Germany
| | - Hervé Alexandre
- a UMR 02102 PAM Université de Bourgogne AgroSup Dijon , Institut Universitaire de la Vigne et du Vin Jules Guyot, Université de Bourgogne , Dijon Cedex , France
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35
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Protective role of glutathione addition against wine-related stress in Oenococcus oeni. Food Res Int 2016; 90:8-15. [DOI: 10.1016/j.foodres.2016.10.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 09/30/2016] [Accepted: 10/05/2016] [Indexed: 11/22/2022]
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36
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Martínez-Ballesta MDC, Carvajal M. Mutual Interactions between Aquaporins and Membrane Components. FRONTIERS IN PLANT SCIENCE 2016; 7:1322. [PMID: 27625676 PMCID: PMC5003842 DOI: 10.3389/fpls.2016.01322] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 08/18/2016] [Indexed: 05/08/2023]
Abstract
In recent years, a number of studies have been focused on the structural evaluation of protein complexes in order to get mechanistic insights into how proteins communicate at the molecular level within the cell. Specific sites of protein-aquaporin interaction have been evaluated and new forms of regulation of aquaporins described, based on these associations. Heterotetramerizations of aquaporin isoforms are considered as novel regulatory mechanisms for plasma membrane (PIPs) and tonoplast (TIPs) proteins, influencing their intrinsic permeability and trafficking dynamics in the adaptive response to changing environmental conditions. However, protein-protein interaction is an extensive theme that is difficult to tackle and new methodologies are being used to study the physical interactions involved. Bimolecular fluorescence complementation and the identification of cross-linked peptides based on tandem mass spectra, that are complementary to other methodologies such as heterologous expression, co-precipitation assays or confocal fluorescence microscopy, are discussed in this review. The chemical composition and the physical characteristics of the lipid bilayer also influence many aspects of membrane aquaporins, including their functionality. The molecular driving forces stabilizing the positions of the lipids around aquaporins could define their activity, thereby altering the conformational properties. Therefore, an integrative approach to the relevance of the membrane-aquaporin interaction to different processes related to plant cell physiology is provided. Finally, it is described how the interactions between aquaporins and copolymer matrixes or biological compounds offer an opportunity for the functional incorporation of aquaporins into new biotechnological advances.
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Affiliation(s)
| | - Micaela Carvajal
- Plant Nutrition Department, Aquaporins Group, Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas (CEBAS-CSIC)Murcia, Spain
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37
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Growth and consumption of l-malic acid in wine-like medium by acclimated and non-acclimated cultures of Patagonian Oenococcus oeni strains. Folia Microbiol (Praha) 2016; 61:365-73. [DOI: 10.1007/s12223-016-0446-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 01/12/2016] [Indexed: 11/27/2022]
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38
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Cyclopropane fatty acid synthase from Oenococcus oeni: expression in Lactococcus lactis subsp. cremoris and biochemical characterization. Arch Microbiol 2015; 197:1063-74. [DOI: 10.1007/s00203-015-1143-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/09/2015] [Accepted: 08/12/2015] [Indexed: 10/23/2022]
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39
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Cafaro C, Bonomo MG, Guerrieri A, Crispo F, Ciriello R, Salzano G. Assessment of the genetic polymorphism and physiological characterization of indigenous Oenococcus oeni strains isolated from Aglianico del Vulture red wine. Folia Microbiol (Praha) 2015; 61:1-10. [DOI: 10.1007/s12223-015-0402-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 05/11/2015] [Indexed: 10/23/2022]
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40
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Olguín N, Champomier-Vergès M, Anglade P, Baraige F, Cordero-Otero R, Bordons A, Zagorec M, Reguant C. Transcriptomic and proteomic analysis of Oenococcus oeni PSU-1 response to ethanol shock. Food Microbiol 2015; 51:87-95. [PMID: 26187832 DOI: 10.1016/j.fm.2015.05.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 12/01/2014] [Accepted: 05/11/2015] [Indexed: 10/23/2022]
Abstract
The correct development of malolactic fermentation depends on the capacity of Oenococcus oeni to survive under harsh wine conditions. The presence of ethanol is one of the most stressful factors affecting O. oeni performance. In this study, the effect of ethanol addition (12% vol/vol) on O. oeni PSU-1 has been evaluated using a transcriptomic and proteomic approach. Transcriptomic analysis revealed that the main functional categories of the genes affected by ethanol were metabolite transport and cell wall and membrane biogenesis. It was also observed that some genes were over-expressed in response to ethanol stress (for example, the heat shock protein Hsp20 and a dipeptidase). Proteomic analysis showed that several proteins are affected by the presence of ethanol. Functions related to protein synthesis and stability are the main target of ethanol damage. In some cases the decrease in protein concentration could be due to the relocation of cytosolic proteins in the membrane, as a protective mechanism. The omic approach used to study the response of O. oeni to ethanol highlights the importance of the cell membrane in the global stress response and opens the door to future studies on this issue.
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Affiliation(s)
- Nair Olguín
- Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, c/ Marcel·lí Domingo 1, 43007 Tarragona, Catalonia, Spain
| | | | - Patricia Anglade
- Unité MICALIS (UMR1319) équipe FLEC, INRA, Domaine de Vilvert, 78350 Jouy-en-Josas, France
| | - Fabienne Baraige
- Unité MICALIS (UMR1319) équipe FLEC, INRA, Domaine de Vilvert, 78350 Jouy-en-Josas, France
| | - Ricardo Cordero-Otero
- Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, c/ Marcel·lí Domingo 1, 43007 Tarragona, Catalonia, Spain
| | - Albert Bordons
- Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, c/ Marcel·lí Domingo 1, 43007 Tarragona, Catalonia, Spain
| | - Monique Zagorec
- Unité MICALIS (UMR1319) équipe FLEC, INRA, Domaine de Vilvert, 78350 Jouy-en-Josas, France
| | - Cristina Reguant
- Departament de Bioquímica i Biotecnologia, Facultat d'Enologia, Universitat Rovira i Virgili, c/ Marcel·lí Domingo 1, 43007 Tarragona, Catalonia, Spain.
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Bravo-Ferrada B, Gonçalves S, Semorile L, Santos N, Tymczyszyn E, Hollmann A. Study of surface damage on cell envelope assessed by AFM and flow cytometry of Lactobacillus plantarum
exposed to ethanol and dehydration. J Appl Microbiol 2015; 118:1409-17. [DOI: 10.1111/jam.12796] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 03/03/2015] [Accepted: 03/05/2015] [Indexed: 11/28/2022]
Affiliation(s)
- B.M. Bravo-Ferrada
- Laboratorio de Microbiología Molecular; Instituto de Microbiología Básica y Aplicada (IMBA); Departamento de Ciencia y Tecnología; Universidad Nacional de Quilmes; Bernal Argentina
| | - S. Gonçalves
- Instituto de Medicina Molecular; Faculdade de Medicina; Universidade de Lisboa; Lisbon Portugal
| | - L. Semorile
- Laboratorio de Microbiología Molecular; Instituto de Microbiología Básica y Aplicada (IMBA); Departamento de Ciencia y Tecnología; Universidad Nacional de Quilmes; Bernal Argentina
| | - N.C. Santos
- Instituto de Medicina Molecular; Faculdade de Medicina; Universidade de Lisboa; Lisbon Portugal
| | - E.E. Tymczyszyn
- Laboratorio de Microbiología Molecular; Instituto de Microbiología Básica y Aplicada (IMBA); Departamento de Ciencia y Tecnología; Universidad Nacional de Quilmes; Bernal Argentina
- CONICET; Buenos Aires Argentina
| | - A. Hollmann
- Laboratorio de Microbiología Molecular; Instituto de Microbiología Básica y Aplicada (IMBA); Departamento de Ciencia y Tecnología; Universidad Nacional de Quilmes; Bernal Argentina
- Instituto de Medicina Molecular; Faculdade de Medicina; Universidade de Lisboa; Lisbon Portugal
- Laboratory of Biointerfaces and Biomimetic Systems; CITSE-University of Santiago del Estero-CONICET; Santiago del Estero Argentina
- CONICET; Buenos Aires Argentina
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42
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Bordas M, Araque I, Bordons A, Reguant C. Differential expression of selected Oenococcus oeni genes for adaptation in wine-like media and red wine. ANN MICROBIOL 2015. [DOI: 10.1007/s13213-015-1069-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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43
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Relationship between acid tolerance and cell membrane in Bifidobacterium, revealed by comparative analysis of acid-resistant derivatives and their parental strains grown in medium with and without Tween 80. Appl Microbiol Biotechnol 2015; 99:5227-36. [DOI: 10.1007/s00253-015-6447-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/10/2015] [Accepted: 01/29/2015] [Indexed: 02/06/2023]
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44
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Wang T, Li H, Wang H, Su J. Multilocus sequence typing and pulsed-field gel electrophoresis analysis of Oenococcus oeni from different wine-producing regions of China. Int J Food Microbiol 2015; 199:47-53. [PMID: 25625911 DOI: 10.1016/j.ijfoodmicro.2015.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Revised: 12/18/2014] [Accepted: 01/08/2015] [Indexed: 11/16/2022]
Abstract
The present study established a typing method with NotI-based pulsed-field gel electrophoresis (PFGE) and stress response gene schemed multilocus sequence typing (MLST) for 55 Oenococcus oeni strains isolated from six individual regions in China and two model strains PSU-1 (CP000411) and ATCC BAA-1163 (AAUV00000000). Seven stress response genes, cfa, clpL, clpP, ctsR, mleA, mleP and omrA, were selected for MLST testing, and positive selective pressure was detected for these genes. Furthermore, both methods separated the strains into two clusters. The PFGE clusters are correlated with the region, whereas the sequence types (STs) formed by the MLST confirm the two clusters identified by PFGE. In addition, the population structure was a mixture of evolutionary pathways, and the strains exhibited both clonal and panmictic characteristics.
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Affiliation(s)
- Tao Wang
- College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hua Li
- College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Hua Wang
- College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jing Su
- College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China
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45
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Bravo-Ferrada BM, Gómez-Zavaglia A, Semorile L, Tymczyszyn EE. Effect of the fatty acid composition of acclimated oenological Lactobacillus plantarum on the resistance to ethanol. Lett Appl Microbiol 2014; 60:155-161. [PMID: 25359087 DOI: 10.1111/lam.12350] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 10/22/2014] [Accepted: 10/27/2014] [Indexed: 11/28/2022]
Abstract
The aim of this work was to evaluate the changes due to acclimation to ethanol on the fatty acid composition of three oenological Lactobacillus plantarum strains and their effect on the resistance to ethanol and malic acid consumption (MAC). Lactobacillus plantarum UNQLp 133, UNQLp 65.3 and UNQLp 155 were acclimated in the presence of 6 or 10% v/v ethanol, for 48 h at 28°C. Lipids were extracted to obtain fatty acid methyl esters and analysed by gas chromatography interfaced with mass spectroscopy. The influence of change in fatty acid composition on the viability and MAC in synthetic wine was analysed by determining the Pearson correlation coefficient. Acclimated strains showed a significant change in the fatty composition with regard to the nonacclimated strains. Adaptation to ethanol led to a decrease in the unsaturated/saturated ratio, mainly resulting from an increase in the contribution of short-length fatty acid C12:0 and a decrease of C18:1. The content of C12:0 was related to a higher viability after inoculation of synthetic wine. The MAC increased at higher contents in saturated fatty acid, but its efficiency was strain dependent.
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Affiliation(s)
- B M Bravo-Ferrada
- Laboratorio de Microbiología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Argentina
| | - A Gómez-Zavaglia
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA) (CONICET La Plata, UNLP), La Plata, Argentina
| | - L Semorile
- Laboratorio de Microbiología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Argentina
| | - E E Tymczyszyn
- Laboratorio de Microbiología Molecular, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Argentina
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46
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Velly H, Bouix M, Passot S, Penicaud C, Beinsteiner H, Ghorbal S, Lieben P, Fonseca F. Cyclopropanation of unsaturated fatty acids and membrane rigidification improve the freeze-drying resistance of Lactococcus lactis subsp. lactis TOMSC161. Appl Microbiol Biotechnol 2014; 99:907-18. [DOI: 10.1007/s00253-014-6152-2] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 10/09/2014] [Indexed: 11/29/2022]
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47
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Recycling biodiesel-derived glycerol by the oleaginous yeast Rhodosporidium toruloides Y4 through the two-stage lipid production process. Biochem Eng J 2014. [DOI: 10.1016/j.bej.2014.07.015] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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48
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Derman Y, Söderholm H, Lindström M, Korkeala H. Role of csp genes in NaCl, pH, and ethanol stress response and motility in Clostridium botulinum ATCC 3502. Food Microbiol 2014; 46:463-470. [PMID: 25475316 DOI: 10.1016/j.fm.2014.09.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 08/02/2014] [Accepted: 09/10/2014] [Indexed: 11/25/2022]
Abstract
Clostridium botulinum is a notable food pathogen and responsible for botulism due to production of botulinum neurotoxin. Strains of C. botulinum can adapt to and survive in stress conditions and food processing. The cold shock protein coding genes (csp) are involved in growth at low temperature, but they may also possess other functions. In this mutational analysis we show that cspB and cspC, but not cspA, are important for NaCl, pH and ethanol stress responses and for motility of C. botulinum ATCC 3502. In all NaCl concentrations tested, the cspB mutant had lower maximum growth rate and, together with the cspC mutant, a longer lag phase compared to the wild-type strain. At low pH, the cspB and cspC mutants showed either lower maximum growth rates or longer lag phases compared to the wild type. In all ethanol concentrations tested, the cspB mutant had lower maximum growth rates and the cspC mutant had a longer lag phase than the wild-type strain. Motility was reduced in cspA and cspC mutants, and flagella formation was affected. The results suggest that cspB plays a universal role in stress response and cspC aids C. botulinum in NaCl, pH and ethanol stress in C. botulinum ATCC 3502.
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Affiliation(s)
- Yağmur Derman
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P.O. Box 66, FI-00014 Helsinki University, Finland.
| | - Henna Söderholm
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P.O. Box 66, FI-00014 Helsinki University, Finland.
| | - Miia Lindström
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P.O. Box 66, FI-00014 Helsinki University, Finland.
| | - Hannu Korkeala
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, P.O. Box 66, FI-00014 Helsinki University, Finland.
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49
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Luo J, Ning J, Wang Y, Cheng Y, Zheng Y, Shen Y, Wang M. The effect of ethanol on cell properties and steroid 1-en-dehydrogenation biotransformation ofArthrobacter simplex. Biotechnol Appl Biochem 2014; 61:555-64. [DOI: 10.1002/bab.1200] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2013] [Accepted: 12/21/2013] [Indexed: 01/13/2023]
Affiliation(s)
- Jianmei Luo
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Jing Ning
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Yanxia Wang
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Yongxin Cheng
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Yu Zheng
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Yanbing Shen
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science and Technology); Ministry of Education, Tianjin Key Lab of Industrial Microbiology; College of Biotechnology, Tianjin University of Science and Technology; Tianjin People's Republic of China
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50
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Napoli A, Aiello D, Aiello G, Cappello MS, Di Donna L, Mazzotti F, Materazzi S, Fiorillo M, Sindona G. Mass Spectrometry-Based Proteomic Approach in Oenococcus oeni Enological Starter. J Proteome Res 2014; 13:2856-66. [DOI: 10.1021/pr4012798] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Anna Napoli
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | - Donatella Aiello
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | - Gilda Aiello
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | | | - Leonardo Di Donna
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | - Fabio Mazzotti
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | | | - Marco Fiorillo
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
| | - Giovanni Sindona
- Department
of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Cubo 12/D, 87036 Arcavacata di Rende (CS), Italy
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