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Lick S, Wibberg D, Busche T, Blom J, Grimmler C, Goesmann A, Kalinowski J. Pseudomonas kulmbachensis sp. nov. and Pseudomonas paraveronii sp. nov., originating from chilled beef and chicken breast. Int J Syst Evol Microbiol 2024; 74. [PMID: 38587505 DOI: 10.1099/ijsem.0.006293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024] Open
Abstract
By investigating wet and dry age-related ripening of beef, Pseudomonas strains V3/3/4/13T and V3/K/3/5T were isolated. Strain V3/3/4/13T exhibited more than 99 % 16S rRNA gene-based similarity to Pseudomonas fragi and other members of this group, while isolate V3/K/3/5T was very close to Pseudomonas veronii and a number of relatives within the Pseudomonas fluorescens group. Additional comparisons of complete rpoB sequences and draft genomes allowed us to place isolate V3/3/4/13T close to Pseudomonas deceptionensis DSM 26521T. In the case of V3/K/3/5T the closest relative was P. veronii DSM 11331T. Average nucleotide identity (ANIb) and digital DNA-DNA hybridization (dDDH) values calculated from the draft genomes of V3/3/4/13T and P. deceptionensis DSM 26521T were 88.5 and 39.8 %, respectively. For V3/K/3/5T and its closest relative P. veronii DSM 11331T, the ANIb value was 95.1 % and the dDDH value was 60.7 %. The DNA G+C contents of V3/3/4/13T and V3/K/3/5T were 57.4 and 60.8 mol%, respectively. Predominant fatty acids were C16 : 0, C18 : 1 ω7c, C17 : 0 cyclo and summed feature C16 : 1 ω7ct/C15 : 0 iso 2OH. The main respiratory quinones were Q9, with minor proportions of Q8 and, in the case of V3/K/3/5T, additional Q10. The main polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and, in the case of V3/K/3/5T, additional phosphatidylcholine. Based on the combined data, isolates V3/3/4/13T and V3/K/3/5T should be considered as representatives of two novel Pseudomonas species. The type strain of the newly proposed Pseudomonas kulmbachensis sp. nov. is V3/3/4/13T (=DSM 113654T=LMG 32520T), a second strain belonging to the same species is FLM 004-28 (=DSM 113604=LMG 32521); the type strain for the newly proposed Pseudomonas paraveronii sp. nov. is V3/K/3/5T (=DSM 113573T=LMG 32518T) with a second isolate FLM 11 (=DSM 113572=LMG 32519).
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Affiliation(s)
- Sonja Lick
- Max Rubner-Institut, Federal Research Institute for Nutrition and Food, Department of Safety and Quality of Meat, E.-C.-Baumann Straße 20, D-95326 Kulmbach, Germany
| | - Daniel Wibberg
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
- ELIXIR DE Administration Office, Institute of Bio- and Geosciences IBG-5, Forschungszentrum Jülich GmbH - Branch office Bielefeld, Universitätsstraße 27, D-33615 Bielefeld, Germany
| | - Tobias Busche
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
- Medical School East Westphalia-Lippe, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus-Liebig-University Gießen, Ludwigsstraße 23, D-35392 Gießen, Germany
| | - Christina Grimmler
- Max Rubner-Institut, Federal Research Institute for Nutrition and Food, Department of Safety and Quality of Meat, E.-C.-Baumann Straße 20, D-95326 Kulmbach, Germany
| | - Alexander Goesmann
- Bioinformatics and Systems Biology, Justus-Liebig-University Gießen, Ludwigsstraße 23, D-35392 Gießen, Germany
| | - Jörn Kalinowski
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
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Yan N, Xia H, Hou W, Wang H, Wang H, Zhou M. Biological Characterization of Pseudomonas fluorescens Phage Pf17397_F_PD1 and Its Application in Food Preservation. J Food Prot 2023; 86:100125. [PMID: 37406883 DOI: 10.1016/j.jfp.2023.100125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 06/27/2023] [Accepted: 06/30/2023] [Indexed: 07/07/2023]
Abstract
In order to explore the application prospects of phages for controlling bacterial contamination, a lytic phage Pf17397_F_PD1 (Later abbreviated as PD1) was isolated from fish guts using Pseudomonas fluorescens ATCC 17397 as the host bacterium. The phage displayed short latency (18 min), long lysis period (212 min), and high lysis volume (1.47 × 102 PFU/each cell). It displayed wide temperature (30-70°C) and pH (4-11) tolerance. Genomic comparison revealed a maximum sequence identity of 48.65% between phage PD1 and other identified phages, indicating that PD1 was a new phage. The phage PD1 significantly inhibited the growth of P. fluorescens in milk and grass carp at 4°C and 25°C. Compared to the negative control, bacterial levels in milk stored at 25°C for 48 h were reduced by 2.71 log CFU/mL and 2.84 log CFU/mL at the multiplicity of infection (MOI) of 100 and 1,000, respectively. In contrast, when grass carp were stored at 25°C for 24 h, the bacterial load was reduced by 1.28 log CFU/g and 2.64 log CFU/g compared to the control (MOI of 100 and 1,000). When the phage was applied for preservation of grass carp blocks, total volatile salt nitrogen (TVB-N) values of phage-treated samples increased by 6.8 mg/100 g and 7.5 mg/100 g at MOI of 100 and 1,000, respectively, after 7 days of storage, which was significantly lower than that of the control group (15.83 mg/100 g). This study showed that phage PD1 was a good natural biological antimicrobial agent against P. fluorescens ATCC 17397.
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Affiliation(s)
- Na Yan
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430000, China
| | - Hai Xia
- School of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430000, China
| | - Wenfu Hou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430000, China
| | - Huajuan Wang
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430000, China
| | - Hongxun Wang
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430000, China.
| | - Min Zhou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430000, China.
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Nelli A, Venardou B, Skoufos I, Voidarou C(C, Lagkouvardos I, Tzora A. An Insight into Goat Cheese: The Tales of Artisanal and Industrial Gidotyri Microbiota. Microorganisms 2023; 11:123. [PMID: 36677415 PMCID: PMC9863150 DOI: 10.3390/microorganisms11010123] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 12/22/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023] Open
Abstract
The purpose of this study was to determine for the first time the microbiota in artisanal-type and industrial-type Gidotyri cheeses and investigate the influence of the cheese-making practices on their composition using culture-independent techniques. The microbiota present in artisanal with commercial starters (Artisanal_CS, n = 15), artisanal with in-house starters (Artisanal_IHS, n = 10) and industrial (Ind., n = 9) Gidotyri cheese samples were analyzed using a targeted metagenomic approach (16S rRNA gene). The Ind. Gidotyri cheese microbiota were less complex, dominated by the Streptococcaceae family (91%) that was more abundant compared to the artisanal Gidotyri cheeses (p < 0.05). Artisanal cheeses were more diverse compositionally with specific bacterial species being prevalent to each subtype. Particularly, Loigolactobacillus coryniformis (OTU 175), Secundilactobacillus malefermentans (OTU 48), and Streptococcus parauberis (OTU 50) were more prevalent in Artisanal_IHS cheeses compared to Artisanal_CS (p ≤ 0.001) and Ind. (p < 0.01) Gidotyri cheeses. Carnobacterium maltaromaticum (OTU 23) and Enterobacter hormaechei subsp. hoffmannii (OTU 268) were more prevalent in Artisanal_CS cheeses compared to Artisanal_IHS cheeses (p < 0.05) and Ind. cheeses (p < 0.05). Hafnia alvei (OTU 13) and Acinetobacter colistiniresistens (OTU 111) tended to be more prevalent in Artisanal_CS compared to the other two cheese groups (p < 0.10). In conclusion, higher microbial diversity was observed in the artisanal-type Gidotyri cheeses, with possible bacterial markers specific to each subtype identified with potential application to traceability of the manufacturing processes’ authenticity and cheese quality.
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Affiliation(s)
| | | | | | | | | | - Athina Tzora
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 47100 Arta, Greece
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Cabezas A, Azziz G, Bovio-Winkler P, Fuentes L, Braga L, Wenzel J, Sabaris S, Tarlera S, Etchebehere C. Ubiquity and Diversity of Cold Adapted Denitrifying Bacteria Isolated From Diverse Antarctic Ecosystems. Front Microbiol 2022; 13:827228. [PMID: 35923392 PMCID: PMC9339992 DOI: 10.3389/fmicb.2022.827228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Nitrogen cycle has been poorly investigated in Antarctic ecosystems. In particular, how extreme conditions of low temperature, dryness, and high radiation select the microorganisms involved in the cycle is not yet understood. Denitrification is an important step in the nitrogen cycle in which nitrate is reduced stepwise to the gases NO, N2O, and N2. Denitrification is carried out by a wide group of microorganisms spread in the phylogenetic tree. The aim of this work was to isolate and characterize denitrifying bacteria present in different cold environments from Antarctica. Bacterial isolates were obtained from lake, meltwater, sea, glacier ice, ornithogenic soil, and penguin feces samples from King George Island, Fildes peninsula in the Antarctic. Samples were taken during the deicing season in five sampling campaigns. From all the samples we were able to isolate denitrifying strains. A total of 199 bacterial isolates with the capacity to grow in anaerobic mineral media reducing nitrate at 4°C were obtained. The characterization of the isolates by 16S rRNA gene sequence analysis showed a high predominance of the genus Pseudomonas, followed by Janthinobacterium, Flavobacterium, Psychrobacter, and Yersinia. Other minor genera detected were Cryobacterium, Iodobacter, Kaistella, and Carnobacterium. The capacity to denitrify was not previously described for most of the bacteria related to our isolates and in many of them denitrifying genes were not present suggesting the presence of new genes in this extreme environment. Our work demonstrates the ubiquity of denitrification in the Maritime Antarctica and gives important information linking denitrification at cold temperature with taxa in an unequivocal way.
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Affiliation(s)
- Angela Cabezas
- Instituto Tecnológico Regional Centro Sur, Universidad Tecnológica, Durazno, Uruguay
| | - Gastón Azziz
- Laboratorio de Microbiología, Departamento de biología, Facultad de Agronomía, UdelaR, Montevideo, Uruguay
| | - Patricia Bovio-Winkler
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Laura Fuentes
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Lucía Braga
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Jorge Wenzel
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Silvia Sabaris
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Silvana Tarlera
- Laboratorio de Ecología Microbiana Medioambiental, Departamento Biociencias, Facultad de Química, Montevideo, Uruguay
| | - Claudia Etchebehere
- Laboratorio de Ecología Microbiana, Departamento de Bioquímica y Genómica Microbiana, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
- *Correspondence: Claudia Etchebehere,
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Kong D, Li Q, Zhou Y, Wang Y, Jiang X, Wang Z, Ruan Z. Pseudomonas tumuqii sp. nov., isolated from greenhouse soil. Arch Microbiol 2022; 204:249. [PMID: 35396979 DOI: 10.1007/s00203-022-02869-y] [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: 11/08/2021] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 11/02/2022]
Abstract
A Gram-stain-negative, aerobic, rod-shaped and motile bacterium, named LAMW06T, was isolated from greenhouse soil in Beijing, China. In the 16S rRNA gene sequence comparison, strain LAMW06T had the highest similarity with Pseudomonas cuatrocienegasensis 1NT. Phylogenetic analysis based on the 16S rRNA and three housekeeping gene sequences (gyrB, rpoB and rpoD) indicated that strain represented a member of the genus Pseudomonas. The genome sequence size of the isolate was 5.5 Mb, with a DNA G + C content of 63.5 mol%. The average nucleotide identity and DNA-DNA hybridization values between strain LAMW06T and closely related members of Pseudomonas borbori R-20821T, Pseudomonas taeanensis MS-3T and P. cuatrocienegasensis 1NT were 90.9%, 82.4%, 81.5% and 43.0%, 25.9%, 24.6% respectively. The major fatty acids contained summed feature 3 (C16:1 ω6c and/or C16:1 ω7c), C18:1 ω7c and C16:0. The primary respiratory quinone was ubiquinone-9. The main polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, six aminophospholipids, six phospholipids, one aminolipid and one glycolipid. According to the genotypic, phylogenetic and chemotaxonomic data, strain LAMW06T represents a novel species within the genus Pseudomonas, for which the name Pseudomonas tumuqii sp. nov. is proposed. The type strain is LAMW06T (= GDMCC 1.2003T = KCTC 72829T).
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Affiliation(s)
- Delong Kong
- CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Qingqing Li
- CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Yanzheng Zhou
- Jining Academy of Agricultural Sciences, Jining, 272000, People's Republic of China
| | - Yan Wang
- CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China.,College of Resources and Environment, Tibet Agricultural and Animal Husbandry University, Linzhi, 860000, People's Republic of China
| | - Xu Jiang
- CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Zhiye Wang
- Key Laboratory of Microbial Resources Exploitation and Application of Gansu Province, Institute of Biology, Gansu Academy of Sciences, Lanzhou, 730000, People's Republic of China
| | - Zhiyong Ruan
- CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China. .,College of Resources and Environment, Tibet Agricultural and Animal Husbandry University, Linzhi, 860000, People's Republic of China. .,College of Life Sciences, Yantai University, Yantai, 264005, People's Republic of China.
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Lick S, Wibberg D, Winkler A, Blom J, Grimmler C, Goesmann A, Kalinowski J, Kröckel L. Pseudomonas paraversuta sp. nov. isolated from refrigerated dry-aged beef. Int J Syst Evol Microbiol 2021; 71. [PMID: 34097596 DOI: 10.1099/ijsem.0.004822] [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] [Indexed: 11/18/2022] Open
Abstract
A polyphasic approach was applied to investigate the diversity of microbiota that evolved during cold storage beef ripening. Isolate V4/DAB/S4/2aT with a unique BOX-rep-PCR fingerprint profile revealed more than 99 % nucleotide identities upon pairwise comparisons of 16S rDNA sequences from the type strains Pseudomonas versuta DSM 101070T, Pseudomonas saxonica DSM 108989T, Pseudomonas deceptionensis DSM 26521T and Pseudomonas weihenstephanensis DSM 29166T, placing it within the Pseudomonas fragi / lundensis branch of the genus Pseudomonas. Additional rpoB based comparison revealed P. versuta DSM 101070T as the nearest relative, with 98.5 % nucleotide identity. Calculation of ANIb values of the V4/DAB/S4/2aT draft genome identified P. versuta DSM 101070T with 90.1 %, P. deceptionensis DSM 26521T with 85.1 %, P. fragi DSM 3456T with 84.4 %, Pseudomonas psychrophila DSM 17535T and Pseudomonas bubulae DSM 107389T with 84.2 % similarities each. Pairwise genome-to-genome distance calculations [digital DNA-DNA hybridization (dDDH)] resulted in values of 47.1, 35.1, 34.8, 34.2 and 34.1 %, respectively. A second isolate was detected years later in ground beef and showed ANIb values of 99.3 % and dDDH of 96.1 % relatedness to V4/DAB/S4/2aT. The DNA G+C content was 58.6 mol% for both isolates. The predominant cellular fatty acids of V4/DAB/S4/2aT were C16 : 0, C18 : 1ω7c, C17 : 0 cyclo and a summed feature containing C16 : 1ω7c and/or C15 : 0 iso 2-OH. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol, the major respiratory quinone was Q9, with a small portion of Q8. The combined data on genotypic and phenotypic features support the proposal of a novel species, for which the name Pseudomonas paraversuta sp. nov. is proposed. The type strain is V4/DAB/S4/2aT (=DSM 111361T=LMG 31844T) and a second isolate is UBT376 (=DSM 111360=LMG 31845).
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Affiliation(s)
- Sonja Lick
- Department of Safety and Quality of Meat, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, E.-C.-Baumann Straße 20, D-95326 Kulmbach, Germany
| | - Daniel Wibberg
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
| | - Annika Winkler
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus-Liebig-University Gießen, Heinrich-Buff-Ring 58, D-35392 Gießen, Germany
| | - Christina Grimmler
- Chair of Bioanalytical Sciences and Food Analysis, University Bayreuth, Universitätsstraße 30, D-95447 Bayreuth and Max Rubner-Institut, E.C.-Baumann Straße 20, D-95326 Kulmbach, Germany.,Department of Safety and Quality of Meat, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, E.-C.-Baumann Straße 20, D-95326 Kulmbach, Germany
| | - Alexander Goesmann
- Bioinformatics and Systems Biology, Justus-Liebig-University Gießen, Heinrich-Buff-Ring 58, D-35392 Gießen, Germany
| | - Jörn Kalinowski
- Center for Biotechnology - CeBiTec, Bielefeld University, Universitätsstraße 27, D-33615 Bielefeld, Germany
| | - Lothar Kröckel
- Department of Safety and Quality of Meat, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, E.-C.-Baumann Straße 20, D-95326 Kulmbach, Germany
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