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Miotto SPS, Fensterseifer LC, de Souza Hassemer G, Martins G, Ficagna E, Steffens J, Puton BMS, Backes GT, Valduga E, Cansian RL. Malolactic fermentation of lactic acid bacteria isolated from southern Brazilian red wine. World J Microbiol Biotechnol 2023; 39:201. [PMID: 37202540 DOI: 10.1007/s11274-023-03645-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
The objective was to isolate lactic acid bacteria (LAB) from southern Brazil's wines and investigate their potential as starter cultures for malolactic fermentation (MLF) in Merlot (ME) and Cabernet Sauvignon (CS) wines through the fermentative capacity. The LAB were isolated from CS, ME, and Pinot Noir (PN) wines in the 2016 and 2017 harvests and evaluated for morphological (color and shape of the colonies), genetic, fermentative (increase in pH, acidity reduction, preservation of anthocyanins, decarboxylation of L-malic acid, yield of L-lactic acid, and content of reduced sugars), and sensory characteristics. Four strains were identified as Oenococcus oeni [CS(16)3B1, ME(16)1A1, ME(17)26, and PN(17)65], one as Lactiplantibacillus plantarum [PN(17)75], and one as Paucilactobacillus suebicus [CS(17)5]. Isolates were evaluated in the MLF and compared to a commercial strain (O. oeni), as well as a control (without inoculation and spontaneous MLF), and standard (without MLF). CS(16)3B1 and ME(17)26 isolates finished the MLF for CS and ME wines, respectively, after 35 days, similar to the commercial strain, and CS(17)5 and ME(16)1A1 isolates ended the MLF in 45 days. In the sensory analysis, ME wines with isolated strains received better scores for flavor and overall quality than the control. Compared to the commercial strain, CS(16)3B1 isolate obtained the highest scores for buttery flavor and taste persistence. CS(17)5 isolate received the higher scores for a fruity flavor and overall quality and the lowest for a buttery flavor. The native LAB displayed MLF potential, regardless of the year and grape species from which they were isolated.
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Affiliation(s)
- Shana Paula Segala Miotto
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Campus Bento Gonçalves. Av. Osvaldo Aranha, 540. Zip code, Bento Gonçalves, 95700-000, RS, Brazil
| | - Letícia Caroline Fensterseifer
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Campus Bento Gonçalves. Av. Osvaldo Aranha, 540. Zip code, Bento Gonçalves, 95700-000, RS, Brazil
| | - Guilherme de Souza Hassemer
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil
| | - Guilherme Martins
- Institut des Sciences de la Vigne et du Vin - ISVV, Université de Bordeaux. 210 Chem. de Leysotte, Villenave-d'Ornon, 33140, France
| | - Evandro Ficagna
- Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Campus Bento Gonçalves. Av. Osvaldo Aranha, 540. Zip code, Bento Gonçalves, 95700-000, RS, Brazil
| | - Juliana Steffens
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil
| | - Bruna Maria Saorin Puton
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil.
| | - Geciane Toniazzo Backes
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil
| | - Eunice Valduga
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil
| | - Rogério Luis Cansian
- Universidade Regional Integrada do Alto Uruguai e das Missões, Campus Erechim. Av. Sete de Setembro, 1621. Zip code, Erechim, 99709-910, RS, Brazil
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Rivas GA, Valdés La Hens D, Delfederico L, Olguin N, Bravo-Ferrada BM, Tymczyszyn EE, Semorile L, Brizuela NS. Molecular tools for the analysis of the microbiota involved in malolactic fermentation: from microbial diversity to selection of lactic acid bacteria of enological interest. World J Microbiol Biotechnol 2022; 38:19. [PMID: 34989896 DOI: 10.1007/s11274-021-03205-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 12/08/2021] [Indexed: 01/19/2023]
Abstract
Winemaking is a complex process involving two successive fermentations: alcoholic fermentation, by yeasts, and malolactic fermentation (MLF), by lactic acid bacteria (LAB). During MLF, LAB can contribute positively to wine flavor through decarboxylation of malic acid with acidity reduction and other numerous enzymatic reactions. However, some microorganisms can have a negative impact on the quality of the wine through processes such as biogenic amine production. For these reasons, monitoring the bacterial community profiles during MLF can predict and control the quality of the final product. In addition, the selection of LAB from a wine-producing area is necessary for the formulation of native malolactic starter cultures well adapted to local winemaking practices and able to enhance the regional wine typicality. In this sense, molecular biology techniques are fundamental tools to decipher the native microbiome involved in MLF and to select bacterial strains with potential to function as starter cultures, given their enological and technological characteristics. In this context, this work reviews the different molecular tools (both culture-dependent and -independent) that can be applied to the study of MLF, either in bacterial isolates or in the microbial community of wine, and of its dynamics during the process.
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Affiliation(s)
- Gabriel Alejandro Rivas
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Danay Valdés La Hens
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Lucrecia Delfederico
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Nair Olguin
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Bárbara Mercedes Bravo-Ferrada
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Emma Elizabeth Tymczyszyn
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Liliana Semorile
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina
| | - Natalia Soledad Brizuela
- Departamento de Ciencia y Tecnología, Instituto de Microbiología Básica y Aplicada (IMBA), Laboratorio de Microbiología Molecular, Universidad Nacional de Quilmes, Roque Sáenz Peña 352, Bernal, B1876BXD, Buenos Aires, Argentina.
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Lorentzen MPG, Lucas PM. Distribution of Oenococcus oeni populations in natural habitats. Appl Microbiol Biotechnol 2019; 103:2937-2945. [PMID: 30788540 PMCID: PMC6447504 DOI: 10.1007/s00253-019-09689-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/05/2019] [Accepted: 02/06/2019] [Indexed: 12/02/2022]
Abstract
Oenococcus oeni is the lactic acid bacteria species most commonly encountered in wine, where it develops after the alcoholic fermentation and achieves the malolactic fermentation that is needed to improve the quality of most wines. O. oeni is abundant in the oenological environment as well as in apple cider and kombucha, whereas it is a minor species in the natural environment. Numerous studies have shown that there is a great diversity of strains in each wine region and in each product or type of wine. Recently, genomic studies have shed new light on the species diversity, population structure, and environmental distribution. They revealed that O. oeni has unique genomic features that have contributed to its fast evolution and adaptation to the enological environment. They have also unveiled the phylogenetic diversity and genomic properties of strains that develop in different regions or different products. This review explores the distribution of O. oeni and the diversity of strains in natural habitats.
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Affiliation(s)
- Marc P. G. Lorentzen
- Unité de recherche Oenologie, EA 4577, USC 1366 INRA, ISVV, Université de Bordeaux, F-33882 Villenave d’Ornon, France
| | - Patrick M. Lucas
- Unité de recherche Oenologie, EA 4577, USC 1366 INRA, ISVV, Université de Bordeaux, F-33882 Villenave d’Ornon, France
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Evidence of the genetic diversity and clonal population structure of Oenococcus oeni strains isolated from different wine-making regions of China. J Microbiol 2018; 56:556-564. [PMID: 30047084 DOI: 10.1007/s12275-018-7568-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 05/23/2018] [Accepted: 05/28/2018] [Indexed: 01/19/2023]
Abstract
Studies of the genetic diversity and population structure of Oenococcus oeni (O. oeni) strains from China are lacking compared to other countries and regions. In this study, amplified fragment length polymorphism (AFLP) and multilocus sequence typing (MLST) methods were used to investigate the genetic diversity and regional evolutionary patterns of 38 O. oeni strains isolated from different wine-making regions in China. The results indicated that AFLP was markedly more efficient than MLST for typing O. oeni strains. AFLP distinguished 37 DNA patterns compared to 7 sequence types identified using MLST, corresponding to discriminatory indices of 0.999 and 0.602, respectively. The AFLP results revealed a high level of genetic diversity among the O. oeni strains from different regions of China, since two subpopulations and an intraspecific homology higher than 60% were observed. Phylogenetic analysis of the O. oeni strains using the MLST method also identified two major phylogroups, which were differentiated into two distinct clonal complexes by minimum spanning tree analysis. Neither intragenic nor intergenic recombination verified the existence of the clonal population structure of the O. oeni strains.
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Sternes PR, Costello PJ, Chambers PJ, Bartowsky EJ, Borneman AR. Whole transcriptome RNAseq analysis of Oenococcus oeni reveals distinct intra-specific expression patterns during malolactic fermentation, including genes involved in diacetyl metabolism. Int J Food Microbiol 2017; 257:216-224. [DOI: 10.1016/j.ijfoodmicro.2017.06.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 06/06/2017] [Accepted: 06/25/2017] [Indexed: 12/23/2022]
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Efficacy of potential phage cocktails against Vibrio harveyi and closely related Vibrio species isolated from shrimp aquaculture environment in the south east coast of India. Vet Microbiol 2017; 207:83-96. [PMID: 28757045 DOI: 10.1016/j.vetmic.2017.06.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 06/06/2017] [Accepted: 06/07/2017] [Indexed: 12/22/2022]
Abstract
A diverse set of novel phages infecting the marine pathogenic Vibrio harveyi was isolated from shrimp aquaculture environments in the south east coast of India. Based on initial screening, three phages with a broad host range revealed that the growth inhibition of phage is relatively specific to V. harveyi. They were also able to infect V. alginolyticus and V. parahemolyticus that belonged to the Harveyi clade species from shrimp pond and sea coast environment samples. However, the impact of these phages on their host bacterium are well understood; a one-step growth curve experiment and transmission electron microscope (TEM) revealed three phages grouped under the Myoviridae (VHM1 and VHM2); Siphoviridae (VHS1) family. These phages were further molecular characterized with respect to phage genomic DNA isolates. The randomly amplified polymorphic DNA (RAPD), restriction fragment length polymorphism (RFLP) digestion with HindIII, and major structural proteins were distinguished by sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) clearly indicated that all the phage isolates were different, even when they came from the same source, giving an insight into the diversity of phages. Evaluation of microcosm studies of Penaeus monodon larvae infected with V. harveyi (105 CFU mL-1) showed that larvae survival after 96 h in the presence of phage treatment at 109 PFU mL-1 was enhanced when compared with the control. The resolution in over survival highly recommended that this study provides the phage-based therapy which could be an innovative and eco-friendly solution against Vibrio disease in shrimp aquaculture and in the natural environment.
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Sternes PR, Borneman AR. Consensus pan-genome assembly of the specialised wine bacterium Oenococcus oeni. BMC Genomics 2016; 17:308. [PMID: 27118061 PMCID: PMC4847254 DOI: 10.1186/s12864-016-2604-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 03/28/2016] [Indexed: 11/15/2022] Open
Abstract
Background Oenococcus oeni is a lactic acid bacterium that is specialised for growth in the ecological niche of wine, where it is noted for its ability to perform the secondary, malolactic fermentation that is often required for many types of wine. Expanding the understanding of strain-dependent genetic variations in its small and streamlined genome is important for realising its full potential in industrial fermentation processes. Results Whole genome comparison was performed on 191 strains of O. oeni; from this rich source of genomic information consensus pan-genome assemblies of the invariant (core) and variable (flexible) regions of this organism were established. Genetic variation in amino acid biosynthesis and sugar transport and utilisation was found to be common between strains. Furthermore, we characterised previously-unreported intra-specific genetic variations in the natural competence of this microbe. Conclusion By assembling a consensus pan-genome from a large number of strains, this study provides a tool for researchers to readily compare protein-coding genes across strains and infer functional relationships between genes in conserved syntenic regions. This establishes a foundation for further genetic, and thus phenotypic, research of this industrially-important species. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-2604-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Peter R Sternes
- The Australian Wine Research Institute, PO Box 197, Glen Osmond, South Australia, 5064, Australia
| | - Anthony R Borneman
- The Australian Wine Research Institute, PO Box 197, Glen Osmond, South Australia, 5064, Australia.
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Petri A, Rabenstein A, Kuever J, König H. Application of MALDI-TOF-MS and nested SAPD-PCR for discrimination ofOenococcus oeniisolates at the strain level. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/09571264.2015.1009015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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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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Implications of new research and technologies for malolactic fermentation in wine. Appl Microbiol Biotechnol 2014; 98:8111-32. [PMID: 25142694 DOI: 10.1007/s00253-014-5976-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 07/18/2014] [Accepted: 07/21/2014] [Indexed: 01/11/2023]
Abstract
The initial conversion of grape must to wine is an alcoholic fermentation (AF) largely carried out by one or more strains of yeast, typically Saccharomyces cerevisiae. After the AF, a secondary or malolactic fermentation (MLF) which is carried out by lactic acid bacteria (LAB) is often undertaken. The MLF involves the bioconversion of malic acid to lactic acid and carbon dioxide. The ability to metabolise L-malic acid is strain specific, and both individual Oenococcus oeni strains and other LAB strains vary in their ability to efficiently carry out MLF. Aside from impacts on acidity, LAB can also metabolise other precursors present in wine during fermentation and, therefore, alter the chemical composition of the wine resulting in an increased complexity of wine aroma and flavour. Recent research has focused on three main areas: enzymatic changes during MLF, safety of the final product and mechanisms of stress resistance. This review summarises the latest research and technological advances in the rapidly evolving study of MLF and investigates the directions that future research may take.
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Wine. Food Microbiol 2014. [DOI: 10.1128/9781555818463.ch37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Jin G, Wang H, Zhang C, Li C, Du L, Grbin PR, Li H. Characterization and amino acid metabolism performances of indigenous Oenococcus oeni isolated from Chinese wines. Eur Food Res Technol 2013. [DOI: 10.1007/s00217-013-2112-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Ishizeki S, Sugita M, Takata M, Yaeshima T. Effect of administration of bifidobacteria on intestinal microbiota in low-birth-weight infants and transition of administered bifidobacteria: A comparison between one-species and three-species administration. Anaerobe 2013; 23:38-44. [DOI: 10.1016/j.anaerobe.2013.08.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 04/05/2013] [Accepted: 08/15/2013] [Indexed: 10/26/2022]
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Claisse O, Lonvaud-Funel A. Multiplex variable number of tandem repeats for Oenococcus oeni and applications. Food Microbiol 2013; 38:80-6. [PMID: 24290630 DOI: 10.1016/j.fm.2013.08.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Revised: 07/30/2013] [Accepted: 08/19/2013] [Indexed: 10/26/2022]
Abstract
Oenococcus oeni is responsible for the malolactic fermentation of wine. Genomic diversity has already been established in this species. In addition, winemakers usually report varying starter-culture efficiency. It is essential to monitor indigenous and selected strains in order to understand strain survival and development during the winemaking process. A previous article described a variable number of tandem repeats (VNTR) scheme, based on five polymorphic loci of the genome. VNTR typing of O. oeni was highly discriminating, faster, and more reliable than the PFGE or MLST methods. The objective of this study was to set up a faster protocol by multiplexing, taking advantage of the high performance of multicolor capillary electrophoresis. The primers were labeled with multiple fluorescent dyes. PCR conditions were adapted by multiplexing amplifications in two separate PCR mixtures for the five loci, both at the same annealing temperature. The resulting assay proved to be robust, accurate, fast and easy to perform. Thanks to this new protocol, all O. oeni strains used in the study were typed using the five tandem repeats (TR). As expected, the primers for the five TR loci were specific to O. oeni. The method was improved to analyze isolated and mixed colonies, as well as bacteria harvested from wine using fast technology for analysis of nucleic acids (FTA(®)) technology. Finally, predictive models were constructed, to predict phylogenetic relationships and associate bacterial strain resistance to freeze-drying with fragment length analysis (FLA) profiles and genotypic and phenotypic characters.
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Affiliation(s)
- Olivier Claisse
- Université Bordeaux, ISVV, EA 4577, UR Oenologie, F-33140 Villenave d'Ornon, France; INRA, ISVV, USC 1366, UR Œnologie, F-33140 Villenave d'Ornon, France.
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Strain-specific identification of Bifidobacterium bifidum OLB6378 by PCR. Biosci Biotechnol Biochem 2013; 77:572-6. [PMID: 23470759 DOI: 10.1271/bbb.120803] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The aim of the present study was to develop a strain-specific polymerase chain reaction (PCR) primer set for the detection of Bifidobacterium bifidum OLB6378 (OLB6378) that can serve as suitable probiotics for infants. The random amplified polymorphic DNA (RAPD)-PCR technique was used to obtain OLB6378-specific PCR products. One OLB6378-specific RAPD-PCR product was obtained after testing 97 RAPD primers, and was sequenced. Thirteen PCR primer sets were designed from the sequence. One PCR primer set was found to amplify one PCR product when genomic DNA of OLB6378 was used as template. The primer set did not amplify any PCR product when the other genomic DNA was used as template. The primer set was tested with 47 strains of B. bifidum and 20 strains of the other Bifidobacterium species. As a result, we developed an OLB6378-specific primer set, one that should be useful not only for the detection of OLB6378 but also for the quantification of OLB6378.
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Comparative analysis of the Oenococcus oeni pan genome reveals genetic diversity in industrially-relevant pathways. BMC Genomics 2012; 13:373. [PMID: 22863143 PMCID: PMC3472311 DOI: 10.1186/1471-2164-13-373] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 07/30/2012] [Indexed: 11/24/2022] Open
Abstract
Background Oenococcus oeni, a member of the lactic acid bacteria, is one of a limited number of microorganisms that not only survive, but actively proliferate in wine. It is also unusual as, unlike the majority of bacteria present in wine, it is beneficial to wine quality rather than causing spoilage. These benefits are realised primarily through catalysing malolactic fermentation, but also through imparting other positive sensory properties. However, many of these industrially-important secondary attributes have been shown to be strain-dependent and their genetic basis it yet to be determined. Results In order to investigate the scale and scope of genetic variation in O. oeni, we have performed whole-genome sequencing on eleven strains of this bacterium, bringing the total number of strains for which genome sequences are available to fourteen. While any single strain of O. oeni was shown to contain around 1800 protein-coding genes, in-depth comparative annotation based on genomic synteny and protein orthology identified over 2800 orthologous open reading frames that comprise the pan genome of this species, and less than 1200 genes that make up the conserved genomic core present in all of the strains. The expansion of the pan genome relative to the coding potential of individual strains was shown to be due to the varied presence and location of multiple distinct bacteriophage sequences and also in various metabolic functions with potential impacts on the industrial performance of this species, including cell wall exopolysaccharide biosynthesis, sugar transport and utilisation and amino acid biosynthesis. Conclusions By providing a large cohort of sequenced strains, this study provides a broad insight into the genetic variation present within O. oeni. This data is vital to understanding and harnessing the phenotypic variation present in this economically-important species.
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Claisse O, Lonvaud-Funel A. Development of a multilocus variable number of tandem repeat typing method for Oenococcus oeni. Food Microbiol 2012; 30:340-7. [DOI: 10.1016/j.fm.2012.01.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Revised: 01/03/2012] [Accepted: 01/03/2012] [Indexed: 11/24/2022]
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Venturi M, Guerrini S, Granchi L, Vincenzini M. Typing of Lactobacillus sanfranciscensis isolates from traditional sourdoughs by combining conventional and multiplex RAPD-PCR profiles. Int J Food Microbiol 2012; 156:122-6. [PMID: 22483399 DOI: 10.1016/j.ijfoodmicro.2012.03.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 03/05/2012] [Accepted: 03/10/2012] [Indexed: 11/29/2022]
Abstract
In the present work, a rapid and reproducible molecular method, based on the combination of conventional and multiplex RAPD-PCR reactions, was developed for typing Lactobacillus sanfranciscensis isolates from traditional sourdoughs. At first, four random primers, two used singly and two combined with the primer RD1, were chosen on the basis of their differentiating capability and reproducibility. The four resulting profiles for each isolate were integrated into a unique profile to be statistically treated by cluster analysis. The method was validated on 58 L. sanfranciscensis isolates coming from three traditional Italian sourdoughs. This new RAPD method was useful for determining the genomic diversity within the L. sanfranciscensis species. In particular, the intraspecific diversity of this species seemed to be related to the sourdough origin.
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Affiliation(s)
- Manuel Venturi
- Dipartimento di Biotecnologie Agrarie, Università degli Studi di Firenze, P.le delle Cascine 24, 50144 Firenze, Italy
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Detection and identification of microorganisms in wine: a review of molecular techniques. J Ind Microbiol Biotechnol 2011; 38:1619-34. [DOI: 10.1007/s10295-011-1020-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Accepted: 07/20/2011] [Indexed: 10/17/2022]
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Mesas JM, Rodríguez MC, Alegre MT. Characterization of lactic acid bacteria from musts and wines of three consecutive vintages of Ribeira Sacra. Lett Appl Microbiol 2011; 52:258-68. [PMID: 21204877 DOI: 10.1111/j.1472-765x.2010.02991.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS This study was designed to isolate and characterize the lactic acid microbiota of the musts and wines of a young denomination of origin area, Ribeira Sacra in north-west Spain. METHODS AND RESULTS Over three consecutive years (2007, 2008 and 2009), we examined musts and wines from four cellars in different zones of the region. Through biochemical and genetic tests, 459 isolates of lactic acid bacteria (LAB) were identified as the following species: Lactobacillus alvei (0·7%), Lactobacillus brevis (1·7%), Lactobacillus frumenti (0·9%), Lactobacillus kunkeei (12%), Lactobacillus plantarum (6·5%), Lactobacillus pentosus (0·9%), Lactococcus lactis ssp. lactis (3%), Leuconostoc citreum (0·7%), Leuconostoc fructosum (synon. Lactobacillus fructosum) (3·7%), Leuconostoc mesenteroides ssp. mesenteroides (2·8%), Leuconostoc pseudomesenteroides (0·2%), Oenococcus oeni (59%), Pediococcus parvulus (7%) and Weisella paramesenteroides (synon. Leuconostoc paramesenteroides) (0·9%). Of these species, O. oeni was the main one responsible for malolactic fermentation (MLF) in all cellars and years with the exception of Lact. plantarum, predominant in 2007, in one cellar, and Lact. brevis, Lact. frumenti and Ped. parvulus coexisting with O. oeni in one cellar in 2009. Different strains (84) of LAB species (14) were identified by biochemical techniques (API strips, the presence of plasmids, enzyme activities and MLF performance) and molecular techniques (PCR). All assays were carried out with every one of the 459 isolates. To select candidates for use as culture starters, we assessed malolactic, β-glucosidase and tannase activities, the presence of genes involved in biogenic amine production and plasmid content. CONCLUSIONS A high diversity of LAB is present in the grape musts of Ribeira Sacra but few species are responsible for MLF; however, different strains of such species are involved in the process. As far as we are aware, this is the first report of Lact. frumenti thriving in wine. SIGNIFICANCE AND IMPACT OF THE STUDY Information on LAB populations in must and wine is presented. A large collection of well-characterized strains of LAB are available as starter cultures to winemakers.
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Affiliation(s)
- J M Mesas
- Departamento de Química Analítica, Nutrición y Bromatología (Tecnología de Alimentos), Escuela Politécnica Superior, Universidad de Santiago de Compostela, Campus Universitario s/n, Lugo, Spain.
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Evidence of distinct populations and specific subpopulations within the species Oenococcus oeni. Appl Environ Microbiol 2010; 76:7754-64. [PMID: 20935119 DOI: 10.1128/aem.01544-10] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Among the lactic acid bacteria (LAB) present in the oenological microbial ecosystem, Oenococcus oeni, an acidophilic lactic acid bacterium, is essential during winemaking. It outclasses all other bacterial species during malolactic fermentation (MLF). Oenological performances, such as malic acid degradation rate and sensorial impact, vary significantly according to the strain. The genetic diversity of the O. oeni species was evaluated using a multilocus sequence typing (MLST) scheme. Seven housekeeping genes were sequenced for a collection of 258 strains that had been isolated all over the world (particularly Burgundy, Champagne, and Aquitaine, France, Chile, South Africa, and Italy) and in several wine types (red wines, white wines, and champagne) and cider. The allelic diversity was high, with an average of 20.7 alleles per locus, many of them being rare alleles. The collection comprised 127 sequence types, suggesting an important genotypic diversity. The neighbor-joining phylogenetic tree constructed from the concatenated sequence of the seven housekeeping genes showed two major phylogenetic groups, named A and B. One unique strain isolated from cider composed a third group, rooting the phylogenetic tree. However, all other strains isolated from cider were in group B. Eight phylogenetic subgroups were statistically differentiated and could be delineated by the analysis of only 32 mutations instead of the 600 mutations observed in the concatenated sequence of the seven housekeeping genes. Interestingly, in group A, several phylogenetic subgroups were composed mostly of strains coming from a precise geographic origin. Three subgroups were identified, composed of strains from Chile, South Africa, and eastern France.
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Development of a sequence-characterized amplified region marker-targeted quantitative PCR assay for strain-specific detection of Oenococcus oeni during wine malolactic fermentation. Appl Environ Microbiol 2010; 76:7765-74. [PMID: 20935116 DOI: 10.1128/aem.00929-10] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Control over malolactic fermentation (MLF) is a difficult goal in winemaking and needs rapid methods to monitor Oenococcus oeni malolactic starters (MLS) in a stressful environment such as wine. In this study, we describe a novel quantitative PCR (QPCR) assay enabling the detection of an O. oeni strain during MLF without culturing. O. oeni strain LB221 was used as a model to develop a strain-specific sequence-characterized amplified region (SCAR) marker derived from a discriminatory OPA20-based randomly amplified polymorphic DNA (RAPD) band. The 5' and 3' flanking regions and the copy number of the SCAR marker were characterized using inverse PCR and Southern blotting, respectively. Primer pairs targeting the SCAR sequence enabled strain-specific detection without cross amplification of other O. oeni strains or wine species of lactic acid bacteria (LAB), acetic acid bacteria (AAB), and yeasts. The SCAR-QPCR assay was linear over a range of cell concentrations (7 log units) and detected as few as 2.2 × 10(2) CFU per ml of red wine with good quantification effectiveness, as shown by the correlation of QPCR and plate counting results. Therefore, the cultivation-independent monitoring of a single O. oeni strain in wine based on a SCAR marker represents a rapid and effective strain-specific approach. This strategy can be adopted to develop easy and rapid detection techniques for monitoring the implantation of inoculated O. oeni MLS on the indigenous LAB population, reducing the risk of unsuccessful MLF.
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Solieri L, Genova F, De Paola M, Giudici P. Characterization and technological properties of Oenococcus oeni strains from wine spontaneous malolactic fermentations: a framework for selection of new starter cultures. J Appl Microbiol 2010; 108:285-98. [PMID: 19614854 DOI: 10.1111/j.1365-2672.2009.04428.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To characterize the genetic and phenotypic diversity of 135 lactic acid bacteria (LAB) strains isolated from Italian wines that undergone spontaneous malolactic fermentation (MLF) and propose a multiphasic selection of new Oenococcus oeni malolactic starters. METHODS AND RESULTS One hundred and thirty-five LAB strains were isolated from 12 different wines. On the basis of 16S amplified ribosomal DNA restriction analysis (ARDRA) with three restriction enzymes and 16S rRNA gene sequencing, 120 O. oeni strains were identified. M13-based RAPD analysis was employed to investigate the molecular diversity of O. oeni population. Technological properties of different O. oeni genotypes were evaluated in synthetic medium at increasing selective pressure, such as low pH (3.5, 3.2 and 3.0) and high ethanol values (10, 11 and 13% v/v). Finally, the malolactic activity of one selected strain was assessed in wine by malolactic trial in winery. CONCLUSIONS The research explores the genomic diversity of wine bacteria in Italian wines and characterizes their malolactic metabolism, providing an efficient strategy to select O. oeni strains with desirable malolactic performances and able to survive in conditions simulating the harsh wine environment. SIGNIFICANCE AND IMPACT OF THE STUDY This article contributes to a better understanding of microbial diversity of O. oeni population in Italian wines and reports a framework to select new potentially O. oeni starters from Italian wines during MLF.
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Affiliation(s)
- L Solieri
- Department of Agricultural and Food Sciences, University of Modena and Reggio Emilia, Via Amendola 2, 42100 Reggio Emilia, Italy.
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Antibiotic susceptibility of bifidobacterial strains distributed in the Japanese market. Biosci Biotechnol Biochem 2010; 74:336-42. [PMID: 20139616 DOI: 10.1271/bbb.90659] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The aim of the present study was to analyze the antibiotic susceptibility of bifidobacterial strains distributed in the Japanese market. A total of 23 strains, including probiotic isolates from foods, supplements, pharmaceuticals and reference strains of each species (or subspecies), were tested for susceptibility to 15 antibiotics by the broth microdilution method and examined for the presence of possible resistant determinants. The strains were susceptible overall to chloramphenicol, ampicillin, vancomycin and linezolid, and were intrinsically resistant to aminoglycoside group agents. Susceptibility to erythromycin, clindamycin, rifampicin, tetracycline and trimethoprim varied among the strains. All strains of Bifidobacterium animalis subsp. lactis were resistant to tetracycline and appeared to harbor tet(W) genes. No risk factor for safety was found for bifidobacterial strains distributed in the Japanese market in respect of their antimicrobial resistance, although the presence of the tet(W) gene in some strains stresses the need for future evaluation.
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Genotypic diversity in Oenococcus oeni by high-density microarray comparative genome hybridization and whole genome sequencing. Appl Microbiol Biotechnol 2010; 86:681-91. [DOI: 10.1007/s00253-009-2425-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2009] [Revised: 12/13/2009] [Accepted: 12/24/2009] [Indexed: 10/19/2022]
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Sico MA, Bonomo MG, D'Adamo A, Bochicchio S, Salzano G. Fingerprinting analysis ofOenococcus oenistrains under stress conditions. FEMS Microbiol Lett 2009; 296:11-7. [DOI: 10.1111/j.1574-6968.2009.01611.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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27
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Teresa Alegre M, Carmen Rodríguez M, Mesas JM. Characterization of pRS5: A theta-type plasmid found in a strain of Pediococcus pentosaceus isolated from wine that can be used to generate cloning vectors for lactic acid bacteria. Plasmid 2009; 61:130-4. [DOI: 10.1016/j.plasmid.2008.10.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2008] [Revised: 10/25/2008] [Accepted: 10/30/2008] [Indexed: 11/17/2022]
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Multilocus sequence typing of Oenococcus oeni: detection of two subpopulations shaped by intergenic recombination. Appl Environ Microbiol 2008; 75:1291-300. [PMID: 19114515 DOI: 10.1128/aem.02563-08] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Oenococcus oeni is the acidophilic lactic acid bacterial species most frequently associated with malolactic fermentation of wine. Since the description of the species (formerly Leuconostoc oenos), characterization of indigenous strains and industrially produced cultures by diverse typing methods has led to divergent conclusions concerning the genetic diversity of strains. In the present study, a multilocus sequence typing (MLST) scheme based on the analysis of eight housekeeping genes was developed and tested on a collection of 43 strains of diverse origins. The eight targeted loci were successfully amplified and sequenced for all isolates. Only three to 11 different alleles were detected for these genes. The average nucleotide diversity also was rather limited (0.0011 to 0.0370). Despite this limited allelic diversity, the combination of alleles of each strain disclosed 34 different sequence types, which denoted a significant genotypic diversity. A phylogenetic analysis of the concatenated sequences showed that all strains form two well distinct groups of 28 and 15 strains. Interestingly, the same groups were defined by pulsed-field gel electrophoresis, although this method targets different genetic variations. A minimum spanning tree analysis disclosed very few and small clonal complexes. In agreement, statistical analyses of MLST data suggest that recombination events were important during O. oeni evolution and contributed to the wide dissemination of alleles among strains. Taken together, our results showed that MLST is more efficient than pulsed-field gel electrophoresis for typing O. oeni strains, and they provided a picture of the O. oeni population that explains some conflicting results previously obtained.
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Cappello M, Stefani D, Grieco F, Logrieco A, Zapparoli G. Genotyping by Amplified Fragment Length Polymorphism and malate metabolism performances of indigenous Oenococcus oeni strains isolated from Primitivo wine. Int J Food Microbiol 2008; 127:241-5. [DOI: 10.1016/j.ijfoodmicro.2008.07.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2008] [Revised: 07/08/2008] [Accepted: 07/09/2008] [Indexed: 11/16/2022]
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Ruiz P, Izquierdo PM, Seseña S, Palop ML. Intraspecific genetic diversity of lactic acid bacteria from malolactic fermentation of Cencibel wines as derived from combined analysis of RAPD-PCR and PFGE patterns. Food Microbiol 2008; 25:942-8. [DOI: 10.1016/j.fm.2008.06.007] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2007] [Revised: 06/23/2008] [Accepted: 06/25/2008] [Indexed: 11/25/2022]
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Mendoza-Espinoza A, Koga Y, Zavaleta AI. Amplified 16S ribosomal DNA restriction analysis for identification of Avibacterium paragallinarum. Avian Dis 2008; 52:54-8. [PMID: 18459296 DOI: 10.1637/8036-062507-reg] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A molecular technique based on the restriction fragment length polymorphism of the 16S ribosomal genes amplified by a polymerase chain reaction (PCR), referred to as amplified 16S ribosomal DNA restriction analysis (ARDRA), was designed to identify 19 Avibacterium paragallinarum strains isolated from infraorbital sinus and nasal turbinate bone samples of broiler chickens, breeders, and laying hens from different regions of Peru. The 16S rDNA was amplified by PCR using a pair of bacterial universal primers and restriction analysis of 16S rDNA sequences was done to select endonucleases with the highest number of cutting points inside the 16S rDNA. The DNA patterns with DdeI and RsaI endonucleases were identical for the 19 A. paragallinarum strains, but differed from those obtained for Ornithobacterium rhinotracheale, a bacterium with a high genetic and phenotypic resemblance to A. paragallinarum, as well as from Escherichia coli, a bacterium associated with infectious coryza. The ARDRA method could prove to be valuable for molecular identification of A. paragallinarum, a microorganism implicated in respiratory diseases in commercial birds.
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Affiliation(s)
- Alfredo Mendoza-Espinoza
- Laboratorio de Biología Molecular, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Lima 1, Peru
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Larisika M, Claus H, König H. Pulsed-field gel electrophoresis for the discrimination of Oenococcus oeni isolates from different wine-growing regions in Germany. Int J Food Microbiol 2008; 123:171-6. [DOI: 10.1016/j.ijfoodmicro.2007.11.081] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2007] [Revised: 11/20/2007] [Accepted: 11/27/2007] [Indexed: 10/22/2022]
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Abstract
Oenococcus oeni is an alcohol-tolerant, acidophilic lactic acid bacterium primarily responsible for malolactic fermentation in wine. A recent comparative genomic analysis of O. oeni PSU-1 with other sequenced lactic acid bacteria indicates that PSU-1 lacks the mismatch repair (MMR) genes mutS and mutL. Consistent with the lack of MMR, mutation rates for O. oeni PSU-1 and a second oenococcal species, O. kitaharae, were higher than those observed for neighboring taxa, Pediococcus pentosaceus and Leuconostoc mesenteroides. Sequence analysis of the rpoB mutations in rifampin-resistant strains from both oenococcal species revealed a high percentage of transition mutations, a result indicative of the lack of MMR. An analysis of common alleles in the two sequenced O. oeni strains, PSU-1 and BAA-1163, also revealed a significantly higher level of transition substitutions than were observed in other Lactobacillales species. These results suggest that the genus Oenococcus is hypermutable due to the loss of mutS and mutL, which occurred with the divergence away from the neighboring Leuconostoc branch. The hypermutable status of the genus Oenococcus explains the observed high level of allelic polymorphism among known O. oeni isolates and likely contributed to the unique adaptation of this genus to acidic and alcoholic environments.
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López I, Torres C, Ruiz-Larrea F. Genetic typification by pulsed-field gel electrophoresis (PFGE) and randomly amplified polymorphic DNA (RAPD) of wild Lactobacillus plantarum and Oenococcus oeni wine strains. Eur Food Res Technol 2007. [DOI: 10.1007/s00217-007-0755-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Evidence of mixed wild populations of Oenococcus oeni strains during wine spontaneous malolactic fermentations. Eur Food Res Technol 2007. [DOI: 10.1007/s00217-006-0529-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pramateftaki PV, Metafa M, Kallithraka S, Lanaridis P. Evolution of malolactic bacteria and biogenic amines during spontaneous malolactic fermentations in a Greek winery. Lett Appl Microbiol 2006; 43:155-60. [PMID: 16869898 DOI: 10.1111/j.1472-765x.2006.01937.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS To study the population dynamics of indigenous malolactic bacteria in a Greek winery and to examine their potential to produce detrimental levels of biogenic amines (BA) under winemaking conditions. METHODS AND RESULTS Although the wines studied were of different vintage, grape variety and enological characteristics, molecular typing of malolactic bacteria revealed only a low number of strains within the single-species populations of Oenococcus oeni that developed during spontaneous fermentations. Strain MF1, originating primarily from the vineyards surrounding the winery invariably predominated in almost all samples. HPLC analysis showed a slight increase in the BA, putrescine, tyramine and phenylethylamine after malolactic conversion, while histamine, methylamine and ethylamine remained unaffected. No correlation could be established between the BA profiles and the bacterial compositions or the amino acid concentrations in wine samples studied. CONCLUSIONS A certain regional bacterial flora is established in the winery that prevails in spontaneous malolactic fermentations (MLF) irrespective of the wine characteristics. In all cases, the BA content of the wines after malolactic conversion was within enologically acceptable levels. SIGNIFICANCE AND IMPACT OF THE STUDY This is the first report on the malolactic bacteria occurring naturally in spontaneous MLF in Greek red wines and a preliminary assessment of their impact on wine safety in relation to BA.
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Affiliation(s)
- P V Pramateftaki
- Wine Institute of Athens, National Agricultural Research Foundation, Lykovrissi, Greece.
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37
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Species attribution and distinguishing strains of Oenococcus oeni isolated from Chinese wines. World J Microbiol Biotechnol 2006. [DOI: 10.1007/s11274-005-9065-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Lechiancole T, Blaiotta G, Messina D, Fusco V, Villani F, Salzano G. Evaluation of intra-specific diversities in Oenococcus oeni through analysis of genomic and expressed DNA. Syst Appl Microbiol 2005; 29:375-81. [PMID: 16316734 DOI: 10.1016/j.syapm.2005.10.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In winemaking Oenococcus (O.) oeni is the most frequent species of lactic acid bacteria (LAB) associated with malolactic fermentation (MLF). Several studies have demonstrated that O. oeni is a quite homogeneous species and strains are difficult to differentiate especially when isolates from the same region are analyzed. In this study, the molecular biodiversity of O. oeni isolated from wines of the same region (Aglianico produced in Basilicata Region, Southern Italy) was evaluated with the aim of designing a molecular approach for discrimination and characterization of the isolates at the strain level. Three molecular techniques were applied: random amplified polymorphic DNA-polymerase chain reaction (RAPD-PCR), restriction endonucleases analysis-pulsed field gel electrophoresis (REA-PFGE) and differential display PCR (DD-PCR). The results obtained by RAPD-PCR confirmed the difficulty in differentiating isolates. By means of REA-PFGE a higher polymorphism, often related to the origin (winery) of strains, was revealed. However, on analyzing strains isolated from the same winery, only in some cases was more than one REA-PFGE pattern obtained. By analyzing dendrograms constructed on the basis of DD-PCR profiles differentiation of strains isolated from the same winery, in some cases, could be accomplished. The reliability of the DD-PCR in the differentiation of closely related strains suggests that this method could represent an alternative and/or additional tool to other molecular methods, such as REA-PFGE, for fine characterization of oenococcal strains.
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Affiliation(s)
- Tiziana Lechiancole
- Dipartimento di Biologia, Difesa e Biotecnologie Agro-Forestali, Università degli Studi della Basilicata, Campus Macchia Romana 100 Potenza, Italy
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de Las Rivas B, Marcobal A, Muñoz R. Allelic diversity and population structure in Oenococcus oeni as determined from sequence analysis of housekeeping genes. Appl Environ Microbiol 2005; 70:7210-9. [PMID: 15574919 PMCID: PMC535203 DOI: 10.1128/aem.70.12.7210-7219.2004] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Oenococcus oeni is the organism of choice for promoting malolactic fermentation in wine. The population biology of O. oeni is poorly understood and remains unclear. For a better understanding of the mode of genetic variation within this species, we investigated by using multilocus sequence typing (MLST) with the gyrB, pgm, ddl, recP, and mleA genes the genetic diversity and genetic relationships among 18 O. oeni strains isolated in various years from wines of the United States, France, Germany, Spain, and Italy. These strains have also been characterized by ribotyping and restriction fragment length polymorphism (RFLP) analysis of the PCR-amplified 16S-23S rRNA gene intergenic spacer region (ISR). Ribotyping grouped the strains into two groups; however, the RFLP analysis of the ISRs showed no differences in the strains analyzed. In contrast, MLST in oenococci had a good discriminatory ability, and we have found a higher genetic diversity than indicated by ribotyping analysis. All sequence types were represented by a single strain, and all the strains could be distinguished from each other because they had unique combinations of alleles. Strains assumed to be identical showed the same sequence type. Phylogenetic analyses indicated a panmictic population structure in O. oeni. Sequences were analyzed for evidence of recombination by split decomposition analysis and analysis of clustered polymorphisms. All results indicated that recombination plays a major role in creating the genetic heterogeneity of O. oeni. A low standardized index of association value indicated that the O. oeni genes analyzed are close to linkage equilibrium. This study constitutes the first step in the development of an MLST method for O. oeni and the first example of the application of MLST to a nonpathogenic food production bacteria.
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Marcobal A, de las Rivas B, Moreno-Arribas MV, Muñoz R. Identification of the ornithine decarboxylase gene in the putrescine-producerOenococcus oeniBIFI-83. FEMS Microbiol Lett 2004; 239:213-20. [PMID: 15476968 DOI: 10.1016/j.femsle.2004.08.036] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2004] [Revised: 07/22/2004] [Accepted: 08/18/2004] [Indexed: 10/26/2022] Open
Abstract
We report here the identification of an ornithine decarboxylase (ODC) gene in the putrescine-producer Oenococcus oeni BIFI-83 strain. The gene contains a 2,235-nucleotide open reading frame encoding a 745-amino acid residues protein with a deduced molecular mass of 81 kDa. The primary structure of the ODC deduced from the nucleotide sequence has a consensus sequence containing the pyridoxal-5-phosphate (PLP) binding domain, and the critical amino acids residues involved in enzymatic activity are also conserved. As determined by BLAST analysis, the deduced amino acid sequence of the odc gene shares a 67% identity with the ODC protein from Lactobacillus 30a. The odc gene appears to be rarely present in the genome of O. oeni, since in a screening for the presence of this gene in 42 oenococcal strains none of the strains possessed an odc gene copy.
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Affiliation(s)
- Angela Marcobal
- Depto. de Microbiologia, Instituto de Fermentaciones Industriales, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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Guerrini S, Bastianini A, Blaiotta G, Granchi L, Moschetti G, Coppola S, Romano P, Vincenzini M. Phenotypic and genotypic characterization of Oenococcus oeni strains isolated from Italian wines. Int J Food Microbiol 2003; 83:1-14. [PMID: 12672588 DOI: 10.1016/s0168-1605(02)00323-9] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A phenotypic and genotypic characterization of 84 Oenococcus oeni isolates from Italian wines of different oenological areas was carried out. Numerical analysis of fatty acid profiles grouped the isolates into two clusters at low level of similarity (63%), the minor cluster containing seven isolates besides the type and the reference strains. Forthy-eight O. oeni isolates, representative of the two clusters, showed no differences in their metabolic properties (heterolactic fermentation pattern, citrate degradation capability and formation of some secondary metabolites). Moreover, the analysis of species-specific randomly amplified polymorphic DNA and 16S-23S rDNA intergenic spacer region polymorphism as well as the sequence-specific separation of V3 region from 16S rDNA by denaturing gradient gel electrophoresis demonstrated a substantial homogeneity among the isolates. On the basis of ApaI Pulsed Field Gel Electrophoresis (PFGE) restriction patterns, the 84 isolates were grouped into five different clusters at 70% similarity, but no correlation with the phenotypic groups could be demonstrated. However, by combining phenotypic and genotypic data, the 84 O. oeni isolates grouped into eight phenotypic-genotypic combined profiles and a relationship between the origin of the isolates and their combined profile became evident, so that a sort of strain specificity can be envisaged for each wine-producing area.
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Affiliation(s)
- Simona Guerrini
- Dipartimento di Biotecnologie Agrarie, Università degli Studi di Firenze, Piazzale delle Cascine 27, I 50144 Florence, Italy
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Barrangou R, Yoon SS, Breidt F, Fleming HP, Klaenhammer TR. Characterization of six Leuconostoc fallax bacteriophages isolated from an industrial sauerkraut fermentation. Appl Environ Microbiol 2002; 68:5452-8. [PMID: 12406737 PMCID: PMC129880 DOI: 10.1128/aem.68.11.5452-5458.2002] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Six bacteriophages active against Leuconostoc fallax strains were isolated from industrial sauerkraut fermentation brines. These phages were characterized as to host range, morphology, structural proteins, and genome fingerprint. They were exclusively lytic against the species L. fallax and had different host ranges among the strains of this species tested. Morphologically, three of the phages were assigned to the family Siphoviridae, and the three others were assigned to the family Myovidae: Major capsid proteins detected by electrophoresis were distinct for each of the two morphotypes. Restriction fragment length polymorphism analysis and randomly amplified polymorphic DNA fingerprinting showed that all six phages were genetically distinct. These results revealed for the first time the existence of bacteriophages that are active against L. fallax and confirmed the presence and diversity of bacteriophages in a sauerkraut fermentation. Since a variety of L. fallax strains have been shown to be present in sauerkraut fermentation, bacteriophages active against L. fallax are likely to contribute to the microbial ecology of sauerkraut fermentation and could be responsible for some of the variability observed in this type of fermentation.
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Affiliation(s)
- Rodolphe Barrangou
- Southeast Dairy Foods Research Center, Department of Food Science, North Carolina State University, Raleigh, North Carolina 27695, USA
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Oberreuter H, Charzinski J, Scherer S. Intraspecific diversity of Brevibacterium linens, Corynebacterium glutamicum and Rhodococcus erythropolis based on partial 16S rDNA sequence analysis and Fourier-transform infrared (FT-IR) spectroscopy. MICROBIOLOGY (READING, ENGLAND) 2002; 148:1523-1532. [PMID: 11988527 DOI: 10.1099/00221287-148-5-1523] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The intraspecific diversity of 31 strains of Brevibacterium linens, 27 strains of Corynebacterium glutamicum and 29 strains of Rhodococcus erythropolis was determined by partial 16S rDNA sequence analysis and Fourier-transform infrared (FT-IR) spectroscopy. As a prerequisite for the analyses, 27 strains derived from culture collections which had carried invalid or wrong species designations were reclassified in accordance with polyphasic taxonomical data. FT-IR spectroscopy proved to be a rapid and reliable method for screening for similar isolates and for identifying these actinomycetes at the species level. Two main conclusions emerged from the analyses. (1) Comparison of intraspecific 16S rDNA similarities suggested that R. erythropolis strains have a very low diversity, B. linens displays high diversity and C. glutamicum occupies an intermediate position. (2) No correlation of FT-IR spectral similarity and 16S rDNA sequence similarity below the species level (i.e. between strains of one species) was observed. Therefore, diversification of 16S rDNA sequences and microevolutionary change of the cellular components detected by FT-IR spectroscopy appear to be de-coupled.
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Affiliation(s)
- Helene Oberreuter
- Microbial Ecology Group, Department of Biosciences, Technical University of Munich, Weihenstephaner Berg 3, D-85350 Freising-Weihenstephan, Germany1
| | - Joachim Charzinski
- Microbial Ecology Group, Department of Biosciences, Technical University of Munich, Weihenstephaner Berg 3, D-85350 Freising-Weihenstephan, Germany1
| | - Siegfried Scherer
- Microbial Ecology Group, Department of Biosciences, Technical University of Munich, Weihenstephaner Berg 3, D-85350 Freising-Weihenstephan, Germany1
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Sato H, Yanagida F, Shinohara T, Suzuki M, Suzuki K, Yokotsuka K. Intraspecific diversity of Oenococcus oeni isolated during red wine-making in Japan. FEMS Microbiol Lett 2001; 202:109-14. [PMID: 11506916 DOI: 10.1111/j.1574-6968.2001.tb10788.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Using molecular and chemotaxonomic techniques, we studied the intraspecific diversity of Oenococcus oeni, a lactic acid bacterium isolated during red wine-making in Japan. The results confirmed high values of DNA-DNA relatedness and strong similarity among 16S rDNA sequences of the isolates with the O. oeni-type strain. Pulsed-field gel electrophoresis (PFGE) by NotI identified four patterns among the strains. Three different patterns of lactate dehydrogenase mobility were seen and there was a strong correlation between PFGE pattern and mobility. The present results suggest that the different strains of O. oeni comprise one species, and that variations in the genomic profiles of the different strains of O. oeni, including Japanese isolates are well correlated.
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Affiliation(s)
- H Sato
- The Institute of Enology and Viticulture, Yamanashi University, Kofu, Japan.
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Zé-Zé LB, Tenreiro R, Paveia H. The Oenococcus oeni genome: physical and genetic mapping of strain GM and comparison with the genome of a 'divergent' strain, PSU-1. MICROBIOLOGY (READING, ENGLAND) 2000; 146 Pt 12:3195-3204. [PMID: 11101677 DOI: 10.1099/00221287-146-12-3195] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The physical and genetic maps of the Oenococcus oeni strains GM and PSU-1, which represent two genomic divergent groups on the basis of macrorestriction and ribotyping analysis, were compared. To achieve this comparison, the GM maps were constructed and the PSU-1 maps, already established, were improved. All the recognition sites of the restriction enzymes ASC:I, I-CEU:I, FSE:I, NOT:I and SFI:I were located in both chromosomes and the position of 26 genetic markers, including two rrn operons and 14 new putative oenococcal genes, were allocated to the restriction fragments generated by the five enzymes. The comparative analysis of O. oeni GM and PSU-1 genomes revealed extensive conservation of loci order. As for the differences encountered in the locations of restriction sites, they seem to be a reflection of the differences in restriction fragment sizes, explainable by insertion/deletion events and point mutations. No evidence for major genomic rearrangements was found. The genomic conservation between the two strains is in agreement and suggests homogeneity within the species, which was not unexpected in view of the restricted ecological niche of O. oeni. Further comparisons of physical maps, both of O. oeni strains and related species, will certainly help to assess whether O. oeni is really an homogeneous species and physical mapping is suitable for taxonomic purposes, both at the supra- and intraspecific levels.
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Affiliation(s)
- Lı Bia Zé-Zé
- Centro de Genética e Biologia Molecular, UL, 1749-016 Lisboa, Portugal2
- Departamento de Biologia Vegetal, FCUL, Campo Grande, 1749-016 Lisboa, Portugal1
| | - Rogério Tenreiro
- Centro de Genética e Biologia Molecular, UL, 1749-016 Lisboa, Portugal2
- Departamento de Biologia Vegetal, FCUL, Campo Grande, 1749-016 Lisboa, Portugal1
| | - Helena Paveia
- Centro de Genética e Biologia Molecular, UL, 1749-016 Lisboa, Portugal2
- Departamento de Biologia Vegetal, FCUL, Campo Grande, 1749-016 Lisboa, Portugal1
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Zé-Zé L, Tenreiro R, Brito L, Santos MA, Paveia H. Physical map of the genome of Oenococcus oeni PSU-1 and localization of genetic markers. MICROBIOLOGY (READING, ENGLAND) 1998; 144 ( Pt 5):1145-1156. [PMID: 9611789 DOI: 10.1099/00221287-144-5-1145] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A physical map of the chromosome of Oenococcus oeni PSU-1 was constructed. This represents the first map for a strain of this species. A total of 37 restriction sites for the rare-cutting endonucleases Ascl, Fsel, Notl and Sfil were mapped on the chromosome, which was found to be circular with an estimated size of 1857 kb. Fragment order was determined using several approaches: analysis of partial and double digestions, two-dimensional pulsed-field gel electrophoresis, isolation of linking clones, and Southern hybridization with labelled restriction fragments both from PSU-1 and from O. oeni strain GM. Oenococcal genes alsS/alsD, mleA and mir, two phage attachment sites and recurrent sequences such as IS1165-like elements and rrn loci were located on the physical map. Specific fragments hybridizing with gene probes from Lactococcus lactis, Leuconostoc mesenteroides and Bacillus subtilis were also identified. The two ribosomal operons have been precisely located and their transcription direction determined.
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Affiliation(s)
- Líbia Zé-Zé
- Centro de Genética e Biologia Molecular, UL, 1700 Lisboa, Portugal
- Departamento de Biologia Vegetal, Faculdade de Ciências da Universidade de Lisboa, Edifício C2, Piso 4, Campo Grande, 1700 Lisboa, Portugal
| | - Rogério Tenreiro
- Instituto de Tecnologia Química e Biológica, 2780 Oeiras, Portugal
- Centro de Genética e Biologia Molecular, UL, 1700 Lisboa, Portugal
- Departamento de Biologia Vegetal, Faculdade de Ciências da Universidade de Lisboa, Edifício C2, Piso 4, Campo Grande, 1700 Lisboa, Portugal
| | - Luisa Brito
- Instituto de Tecnologia Química e Biológica, 2780 Oeiras, Portugal
| | - Mário A Santos
- Instituto de Tecnologia Química e Biológica, 2780 Oeiras, Portugal
- Departamento de Biologia Vegetal, Faculdade de Ciências da Universidade de Lisboa, Edifício C2, Piso 4, Campo Grande, 1700 Lisboa, Portugal
| | - Helena Paveia
- Centro de Genética e Biologia Molecular, UL, 1700 Lisboa, Portugal
- Departamento de Biologia Vegetal, Faculdade de Ciências da Universidade de Lisboa, Edifício C2, Piso 4, Campo Grande, 1700 Lisboa, Portugal
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