scholarly journals Planococcus salinarum sp. nov., isolated from a marine solar saltern, and emended description of the genus Planococcus

2010 ◽  
Vol 60 (4) ◽  
pp. 754-758 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
So-Jung Kang ◽  
Soo-Young Lee ◽  
Ki-Hoon Oh ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Rrna Gene Sequence ◽  
Marine Solar Saltern ◽  
Emended Description ◽  
Type Strains

A Gram-positive, non-motile and coccoid-, short rod- or rod-shaped bacterial strain, ISL-16T, was isolated from a marine solar saltern in Korea and its taxonomic position was investigated using a polyphasic taxonomic approach. Strain ISL-16T grew optimally at pH 7.0–8.0, at 30 °C and in the presence of 2 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-16T joined the cluster comprising species of the genus Planococcus. Its 16S rRNA gene sequence contained the same signature nucleotides as those defined for the genus Planococcus. Strain ISL-16T exhibited 16S rRNA gene sequence similarity values of 96.9–98.2 % to the type strains of species of the genus Planococcus. Strain ISL-16T contained MK-8 and MK-7 as the predominant menaquinones and anteiso-C15 : 0, C16 : 1 ω7c alcohol and anteiso-C17 : 0 as the major fatty acids. The DNA G+C content was 48.3 mol%. DNA–DNA relatedness values between strain ISL-16T and the type strains of species of the genus Planococcus were 15–28 %. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, enabled strain ISL-16T to be differentiated from recognized species of the genus Planococcus. On the basis of the data presented, strain ISL-16T is considered to represent a novel species of the genus Planococcus, for which the name Planococcus salinarum sp. nov. is proposed. The type strain is ISL-16T (=KCTC 13584T=CCUG 57753T). An emended description of the genus Planococcus is also given.

scholarly journals Oceanobacillus locisalsi sp. nov., isolated from a marine solar saltern

2010 ◽  
Vol 60 (12) ◽  
pp. 2758-2762 ◽  
Author(s):  
Soo-Young Lee ◽  
Tae-Kwang Oh ◽  
Wonyong Kim ◽  
Jung-Hoon Yoon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Rrna Gene Sequence ◽  
Marine Solar Saltern ◽  
Type Strains

A Gram-stain-variable, motile, moderately halophilic bacterial strain, CHL-21T, was isolated from a marine solar saltern and its taxonomic position was investigated using a polyphasic approach. Optimal growth of strain CHL-21T occurred at 30–37 °C, at pH 7.0–7.5 and in the presence of 5–10 % (w/v) NaCl. In phylogenetic trees based on 16S rRNA gene sequences, strain CHL-21T fell within the cluster comprising members of the genera Oceanobacillus, Ornithinibacillus and Paucisalibacillus. Strain CHL-21T exhibited 97.1–97.2 % 16S rRNA gene sequence similarity to the type strains of the two subspecies of Oceanobacillus oncorhynchi and 92.0–94.7 % 16S rRNA gene sequence similarity to the type strains of other members of the genus Oceanobacillus and members of the genera Ornithinibacillus and Paucisalibacillus. Mean DNA–DNA reassociation values between strain CHL-21T and the type strains of the two subspecies of Oceanobacillus oncorhynchi were 19–21 %. The cell-wall peptidoglycan of strain CHL-21T was based on meso-diaminopimelic acid, MK-7 was the predominant menaquinone, and anteiso-C15 : 0 and anteiso-C17 : 0 were the major fatty acids. The DNA G+C content was 39.8 mol%. Differential phenotypic properties, including facultatively anaerobic growth and acid production from substrates, together with its phylogenetic and genetic distinctiveness, demonstrated that strain CHL-21T is distinguishable from recognized Oceanobacillus species. On the basis of data presented, strain CHL-21T represents a novel species within the genus Oceanobacillus, for which the name Oceanobacillus locisalsi sp. nov. is proposed; the type strain is CHL-21T (=KCTC 13253T =CCUG 56608T).

scholarly journals Phenylobacterium muchangponense sp. nov., isolated from beach soil, and emended description of the genus Phenylobacterium

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 977-983 ◽  
Author(s):  
Yong-Sik Oh ◽  
Dong-Hyun Roh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
Emended Description ◽  
Type Strains

A Gram-staining-negative, non-motile, aerobic bacterium, designated strain A8T, was isolated from the beach soil of Muchangpo, Korea. Cells were rod-shaped (0.5–0.6×0.7–1.3 µm) and colonies were colourless, circular with entire edges and had a glistening surface. The isolate grew optimally at 25–35 °C and did not require NaCl for growth. Strain A8T could not assimilate acetate, dl-lactate, succinate, antipyrine or chloridazon, but weakly assimilated l-phenylalanine. Major fatty acids were summed feature 7 (comprising C18 : 1ω7c/ω9t/ω12t), C16 : 0 and summed feature 4 (comprising C16 : 1ω7c/ iso-C15 : 0 2-OH). The major isoprenoid quinone was ubiquinone-10 and the DNA G+C content was 72.3 mol%. Comparative 16S rRNA gene sequence studies showed that strain A8T belonged to the family Caulobacteraceae , class Alphaproteobacteria and was most closely related to type strains of members of the genus Phenylobacterium (95.7–97.1 % similarity). Signature nucleotides and phylogenetic analysis of the 16S rRNA gene sequence also suggested that strain A8T was affiliated with the genus Phenylobacterium . Low DNA–DNA relatedness values (3.0±1.8–11.5±3.2 %) indicated that strain A8T represented a distinct species that was separated from other type strains in the genus Phenylobacterium . On the basis of evidence from a polyphasic study, it is proposed that strain A8T ( = KACC 15042T  = LMG 25973T) represents the type strain of a novel species, Phenylobacterium muchangponense sp. nov. An emended description of the genus Phenylobacterium is also presented.

Virgibacillus byunsanensis sp. nov., isolated from a marine solar saltern

2010 ◽  
Vol 60 (2) ◽  
pp. 291-295 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
So-Jung Kang ◽  
Yong-Taek Jung ◽  
Keun Chul Lee ◽  
Hyun Woo Oh ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
The Yellow Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Rrna Gene Sequence ◽  
Marine Solar Saltern

A Gram-variable, motile, endospore-forming and rod-shaped bacterial strain, ISL-24T, was isolated from a marine solar saltern of the Yellow Sea, Korea, and its taxonomic position was investigated by a polyphasic study. Strain ISL-24T grew optimally at pH 7.0–8.0, at 30–37 °C and in the presence of 8 % (w/v) NaCl. It contained MK-7 as the predominant menaquinone and anteiso-C15 : 0 as the predominant fatty acid. The DNA G+C content was 37.6 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-24T fell within the genus Virgibacillus, clustering with Virgibacillus carmonensis LMG 20964T and Virgibacillus necropolis LMG 19488T, with a bootstrap resampling value of 92.3 %, and exhibiting 97.3 and 97.4 % 16S rRNA gene sequence similarity, respectively, to these strains. Strain ISL-24T exhibited 94.8–96.8 % 16S rRNA gene sequence similarity to the type strains of the other Virgibacillus species. Mean DNA–DNA relatedness values between strain ISL-24T and V. carmonensis DSM 14868T and V. necropolis DSM 14866T were 11 and 19 %, respectively. Differential phenotypic properties of strain ISL-24T, together with the phylogenetic and genetic distinctiveness, revealed that this strain is different from recognized Virgibacillus species. On the basis of phenotypic, phylogenetic and genetic data, strain ISL-24T represents a novel species of the genus Virgibacillus, for which the name Virgibacillus byunsanensis sp. nov. is proposed. The type strain is ISL-24T (=KCTC 13259T =CCUG 56754T).

scholarly journals Bacillus thermolactis sp. nov., isolated from dairy farms, and emended description of Bacillus thermoamylovorans

2011 ◽  
Vol 61 (8) ◽  
pp. 1954-1961 ◽  
Author(s):  
An Coorevits ◽  
Niall A. Logan ◽  
Anna E. Dinsdale ◽  
Gillian Halket ◽  
Patsy Scheldeman ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Emended Description

A polyphasic taxonomic study was performed on 22 thermotolerant, aerobic, endospore-forming bacteria from dairy environments. Seventeen isolates were retrieved from raw milk, one from a filter cloth and four from grass, straw or milking equipment. These latter four isolates (R-6546, R-7499, R-7764 and R-7440) were identified as Bacillus thermoamylovorans based on DNA–DNA hybridizations (values above 70 % with Bacillus thermoamylovorans LMG 18084T) but showed discrepancies in characteristics with the original species description, so an emended description of this species is given. According to 16S rRNA gene sequence analysis and DNA–DNA hybridization experiments, the remaining 18 isolates (R-6488T, R-28193, R-6491, R-6492, R-7336, R-33367, R-6486, R-6770, R-31288, R-28160, R-26358, R-7632, R-26955, R-26950, R-33520, R-6484, R-26954 and R-7165) represented one single species, most closely related to Bacillus thermoamylovorans (93.9 % 16S rRNA gene sequence similarity), for which the name Bacillus thermolactis is proposed. Cells were Gram-stain-positive, facultatively anaerobic, endospore-forming rods that grew optimally at 40–50 °C. The cell wall peptidoglycan type of strain R-6488T, the proposed type strain, was A1γ based on meso-diaminopimelic acid. Major fatty acids of the strains were C16 : 0 (28.0 %), iso-C16 : 0 (12.1 %) and iso-C15 : 0 (12.0 %). MK-7 was the predominant menaquinone, and major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and some unidentified phospholipids. DNA G+C content was 35.0 mol%. Phenotypic properties allowed discrimination from other thermotolerant species of the genus Bacillus and supported the description of the novel species Bacillus thermolactis, with strain R-6488T ( = LMG 25569T  = DSM 23332T) as the proposed type strain.

scholarly journals Leucobacter chromiiresistens sp. nov., a chromate-resistant strain

2011 ◽  
Vol 61 (4) ◽  
pp. 956-960 ◽  
Author(s):  
Gunnar Sturm ◽  
Johanna Jacobs ◽  
Cathrin Spröer ◽  
Peter Schumann ◽  
Johannes Gescher
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Phylogenetic Position ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Sequence Alignments ◽  
Flight Mass Spectrometry ◽  
Type Strains

A Gram-positive, irregular rod-shaped, non-motile, yellow-pigmented bacterium, strain JG 31T, was isolated in the course of identifying chromium-resistant soil bacteria. 16S rRNA gene sequence analysis of the isolated bacterium indicated its phylogenetic position within the genus Leucobacter. Binary 16S rRNA gene sequence alignments of the isolated bacterium with the 11 species of the genus recognized at the time of writing revealed sequence similarities of more than 97 % with Leucobacter alluvii (GenBank accession no: AM072820; 99.4 %), Leucobacter iarius (AM040493; 98.2 %), Leucobacter aridicollis (AJ781047; 97.8 %), Leucobacter komagatae (AB007419; 97.4 %), Leucobacter chironomi (EU346911; 97.1 %) and Leucobacter luti (AM072819; 97.1 %). In contrast, DNA–DNA hybridization experiments showed similarity values below 28 % for DNA samples from the most closely related type strains of L. alluvii, L. aridicollis and L. iarius. Protein analysis by matrix-assisted laser-desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and automated RiboPrinting using the restriction enzyme PvuII differentiated strain JG 31T from all type strains of the genus Leucobacter. The dominant fatty acids of the novel isolate were anteiso-C15 : 0, anteiso-C17 : 0 and iso-C16 : 0, while the quinone system consisted of menaquinones MK-11, MK-10, MK-9 and MK-8. In a B-type cross-linked peptidoglycan, the cell-wall amino acids were alanine, glycine, threonine, glutamic acid and 2,4-diaminobutyric acid. Strain JG 31T was able to grow in a medium containing up to 300 mM K2CrO4 and showed cellular aggregation in response to chromate stress. From biochemical and genomic analyses, the new strain is considered to represent a novel species of the genus Leucobacter, for which the name Leucobacter chromiiresistens sp. nov. is proposed. The type strain is strain JG 31T ( = DSM 22788T  = CCOS 200T).

scholarly journals Henriciella litoralis sp. nov., isolated from a tidal flat, transfer of Maribaculum marinum Lai et al. 2009 to the genus Henriciella as Henriciella aquimarina nom. nov. and emended description of the genus Henriciella

2011 ◽  
Vol 61 (4) ◽  
pp. 722-727 ◽  
Author(s):  
Se Hee Lee ◽  
Jae Kuk Shim ◽  
Jeong Myeong Kim ◽  
Hyung-Kyoon Choi ◽  
Che Ok Jeon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
Type Strain ◽  
Gene Sequence ◽  
The Yellow Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Emended Description

A Gram-staining-negative, strictly aerobic bacterium, designated strain SD10T, was isolated from a tidal flat of the Yellow Sea, South Korea. Cells were non-spore-forming rods that showed catalase- and oxidase-positive reactions. Growth of strain SD10T was observed at 15–40 °C (optimum, 25–30 °C), at pH 6.0–9.0 (optimum, pH 6.5–8.5) and in the presence of 1–10 % (w/v) NaCl. Strain SD10T contained ubiquinone-10 (Q-10) as a major isoprenoid quinone and C18 : 1ω7c (39.3 %), C16 : 0 (20.2 %), C17 : 0 (8.9 %) and C17 : 1ω6c (8.1 %) as major fatty acids. The cellular polar lipids were identified as phosphatidylglycerol, monoglycosyldiglyceride, glucuronopyranosyldiglyceride and two unidentified glycolipids. The G+C content of the genomic DNA was 55.2 mol%. Based on 16S rRNA gene sequence similarities, the strain was most closely related to Henriciella marina Iso4T and Maribaculum marinum P38T, with similarities of 97.8 and 97.0 %, respectively. The DNA–DNA relatedness between strain SD10T and H. marina Iso4T was 12.0±3.2 %. A phylogenetic analysis based on 16S rRNA gene sequences showed that M. marinum P38T and H. marina Iso4T formed a monophyletic cluster and that their 16S rRNA gene sequence similarity was 98.1 %. DNA–DNA hybridization between H. marina Iso4T and M. marinum LMG 24711T was 22.9±2.7 %, indicating that the two strains belong to separate species. On the basis of chemotaxonomic data and molecular properties, we propose that strain SD10T represents a novel species of the genus Henriciella, for which the name Henriciella litoralis sp. nov. is proposed. The type strain is SD10T ( = KACC 13700T  = DSM 22014T). In addition, we propose to transfer Maribaculum marinum Lai et al. 2009 to the genus Henriciella as Henriciella aquimarina nom. nov. (type strain P38T  = CCTCC AB 208227T  = LMG 24711T  = MCCC 1A01086T), and we present an emended description of the genus Henriciella.

scholarly journals Loktanella atrilutea sp. nov., isolated from seawater in Japan

2007 ◽  
Vol 57 (9) ◽  
pp. 1966-1969 ◽  
Author(s):  
Shoichi Hosoya ◽  
Akira Yokota
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Sanriku Coast ◽  
Type Strains

A Gram-negative, rod-shaped bacterium, IG8T, was isolated from seawater off the Sanriku coast, Japan. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain IG8T represented a separate lineage within the genus Loktanella; the highest 16S rRNA gene sequence similarity values were found with the type strains of Loktanella salsilacus (98.6 %) and Loktanella fryxellensis (98.4 %). DNA–DNA hybridization values between strain IG8T and the type strains of L. salsilacus (27.9–36.1 %) and L. fryxellensis (11.3–31.0 %) were clearly below 70 %, the generally accepted limit for species delineation. The DNA G+C content of strain IG8T was 66.3 mol%. On the basis of DNA–DNA hybridization, some biochemical characteristics and 16S rRNA gene sequence comparison, it is proposed that the isolate represents a novel species, Loktanella atrilutea sp. nov. The type strain is IG8T (=IAM 15450T=NCIMB 14280T).

scholarly journals Marinobacterium halophilum sp. nov., a marine bacterium isolated from the Yellow Sea

2007 ◽  
Vol 57 (1) ◽  
pp. 77-80 ◽  
Author(s):  
Ho-Won Chang ◽  
Young-Do Nam ◽  
Hyuk-Yong Kwon ◽  
Ja Ryeong Park ◽  
Jung-Sook Lee ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
The Yellow Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Type Strains

A moderately halophilic, aerobic, Gram-negative bacterium was isolated from a tidal flat area of Dae-Chun, Chung-Nam, Korea. The strain, designated mano11T, comprised rod-shaped cells that were motile by means of polar flagella. It grew with 3–12 % NaCl and at 4–37 °C and pH 5.3–9.3. The predominant menaquinone present in this strain was MK-7 and diaminopimelic acid was not found in the cell-wall peptidoglycan. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain mano11T belongs to the genus Marinobacterium. Strain mano11T exhibited 92.8–98.3 % 16S rRNA gene sequence similarity when compared with the type strains of three other species of the genus Marinobacterium. DNA–DNA hybridization between strain mano11T and Marinobacterium georgiense DSM 11526T, its closest relative in terms of 16S rRNA gene sequence similarity, was 13 %. On the basis of the phenotypic, genetic and phylogenetic data, strain mano11T represents a novel species of the genus Marinobacterium, for which the name Marinobacterium halophilum sp. nov. is proposed. The type strain is mano11T (=KCTC 12240T=DSM 17586T).

scholarly journals Paracoccus fistulariae sp. nov., a lipolytic bacterium isolated from bluespotted cornetfish, Fistularia commersonii

2010 ◽  
Vol 60 (12) ◽  
pp. 2908-2912 ◽  
Author(s):  
Young-Ok Kim ◽  
Hee Jeong Kong ◽  
Sooyeon Park ◽  
So-Jung Kang ◽  
Kyung-Kil Kim ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
16S Rrna Gene Sequences ◽  
Type Strains

A Gram-stain-negative, non-motile, non-spore-forming and short rod- or rod-shaped bacterial strain, designated 22-5T, was isolated from a bluespotted cornetfish, Fistularia commersonii, and subjected to taxonomic study. Strain 22-5T grew optimally at 30 °C and in the presence of 2–5 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain 22-5T belonged to the genus Paracoccus and joined the cluster comprising Paracoccus homiensis DD-R11T and Paracoccus zeaxanthinifaciens ATCC 21588T, with which strain 22-5T exhibited 97.4 and 96.9 % 16S rRNA gene sequence similarity, respectively. Strain 22-5T exhibited 94.0–96.6 % 16S rRNA gene sequence similarity with the other type strains of species of the genus Paracoccus. Strain 22-5T contained Q-10 as the predominant menaquinone and C18 : 1 ω7c as the predominant fatty acid. In this study, P. zeaxanthinifaciens KCTC 22688T also contained Q-10 as the predominant isoprenoid quinone. The DNA G+C content of strain 22-5T was 63.6 mol%. Strain 22-5T exhibited 44 and 32 % DNA–DNA relatedness to P. homiensis KACC 11518T and P. zeaxanthinifaciens KCTC 22688T, respectively. On the basis of phenotypic, phylogenetic and genetic data, strain 22-5T is considered to represent a novel species of the genus Paracoccus, for which the name Paracoccus fistulariae sp. nov. is proposed. The type strain is 22-5T (=KCTC 22803T =CCUG 58401T).

scholarly journals Psychrobacter piscatorii sp. nov., a psychrotolerant bacterium exhibiting high catalase activity isolated from an oxidative environment

2010 ◽  
Vol 60 (1) ◽  
pp. 205-208 ◽  
Author(s):  
Isao Yumoto ◽  
Kikue Hirota ◽  
Hideyuki Kimoto ◽  
Yoshinobu Nodasaka ◽  
Hidetoshi Matsuyama ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Catalase Activity ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Processing Plant ◽  
Rrna Gene Sequence ◽  
Psychrotolerant Bacterium ◽  
Type Strains

A Gram-negative, non-motile, psychrotolerant bacterium exhibiting high catalase activity, designated strain T-3-2T, was isolated from a drain of a fish-processing plant. Its catalase activity was 12 000 U (mg protein)−1, much higher than the activity of the other Psychrobacter strains tested. The strain grew at 0–30 °C and in the presence of 0–12 % NaCl. The predominant isoprenoid quinone was ubiquinone-8 (Q-8), and C16 : 1 ω9c and C18 : 1 ω9c were the predominant cellular fatty acids. The DNA G+C content of strain T-3-2T was 43.9 mol%. 16S rRNA gene sequence phylogeny suggested that strain T-3-2T is a member of the genus Psychrobacter, with the closest relatives being the type strains of Psychrobacter nivimaris (99.2 % similarity), P. aquimaris (98.7 %) and P. proteolyticus (98.5 %). DNA–DNA hybridization showed less than 65 % relatedness with these strains. A phylogenetic tree based on gyrB gene sequences was more reliable, with higher bootstrap values than the 16S rRNA gene sequence-based tree. The result also differentiated the isolate from previously reported Psychrobacter species. Owing to the significant differences in phenotypic and chemotaxonomic characteristics and the phylogenetic and DNA–DNA relatedness data, the isolate merits classification within a novel species, for which the name Psychrobacter piscatorii sp. nov. is proposed. The type strain is T-3-2T (=JCM 15603T =NCIMB 14510T).

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