Humibacter antri sp. nov., an actinobacterium isolated from a natural cave, and emended description of the genus Humibacter

2013 ◽  
Vol 63 (Pt_11) ◽  
pp. 4315-4319 ◽  
Author(s):  
Soon Dong Lee
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Minor Component ◽  
Rrna Gene ◽  
Content Type ◽  
Mycolic Acids ◽  
Link Type ◽  
Hybridization Data ◽  
Emended Description

A novel high DNA G+C content bacterium, designated strain D7-27T, was isolated from clay soils collected inside a natural cave in Jeju, Republic of Korea. The cells of the organism were aerobic, Gram-stain-positive, non-motile rods; its colonies were white, circular and entire in margin. Phylogenetic analyses based on 16S rRNA gene sequence comparison showed that strain D7-27T formed a coherent cluster with Humibacter albus of the family Microbacteriaceae (97.6 % sequence similarity). The cell-wall peptidoglycan contained ornithine and 2,4-diaminobutyric acid as the diagnostic diamino acids. The major menaquinones were MK-12 and MK-11, with MK-10 as a minor component. The polar lipids consisted mainly of phosphatidylglycerol and an unknown glycolipid. Mycolic acids were not present. The predominant fatty acids were anteiso-C17 : 0 and cyclohexyl-C17 : 0. The DNA G+C content was 66.3 mol%. DNA–DNA relatedness between strain D7-27T and H. albus DSM 18994T was 28.6 % (17.6 % in a reciprocal test). On the basis of the phenotypic, chemotaxonomic and DNA–DNA hybridization data, strain D7-27T ( = KCTC 33009T = DSM 25738T) is considered as the type strain of a novel species of the genus Humibacter , for which the name Humibacter antri sp. nov. is proposed. An emended description of the genus Humibacter is also provided.

Neptuniibacter halophilus sp. nov., isolated from a salt pan, and emended description of the genus Neptuniibacter

2012 ◽  
Vol 62 (Pt_5) ◽  
pp. 1104-1109 ◽  
Author(s):  
Ming-Hui Chen ◽  
Shih-Yi Sheu ◽  
Tzu-Fang Chiu ◽  
Wen-Ming Chen
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Amino Acid Sequences ◽  
Rrna Gene ◽  
Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Emended Description ◽  
Salt Pan

A bacterial strain designated antisso-13T was isolated from a salt pan in southern Taiwan and characterized using a polyphasic taxonomic approach. Strain antisso-13T was Gram-negative, aerobic, creamy white in colour, rod-shaped and motile by single monopolar flagellum. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain antisso-13T belonged to the genus Neptuniibacter and its closest neighbour was Neptuniibacter caesariensis MED92T, with 96.7 % sequence similarity. Phylogenetic analyses based on rpoB and recA gene sequences and deduced amino acid sequences also revealed that the novel strain and N. caesariensis MED92T formed a distinct phylogenetic cluster. Strain antisso-13T exhibited optimal growth at 25–30 °C, with 2.0–4.0 % NaCl and at pH 7.0. Cellular fatty acids were C16 : 1ω7c (39.8 %), C18 : 1ω7c (29.4 %), C16 : 0 (15.5 %), C10 : 0 3-OH (7.5 %), anteiso-C11 : 0 (1.8 %), C18 : 0 (1.8 %), C11 : 0 2-OH (1.6 %), iso-C10 : 0 (1.2 %) and C14 : 0 (1.1 %). The major respiratory quinone was ubiquinone Q-8. The polar lipid profile consisted of a mixture of phosphatidylglycerol, phosphatidylethanolamine and several uncharacterized polar lipids and the DNA G+C content was 54.2 mol%. The results of physiological and biochemical tests allowed clear phenotypic differentiation of this isolate from previously described members of the genus Neptuniibacter . It is evident from the genotypic and phenotypic data that strain antisso-13T should be classified as a representative of a novel species in the genus Neptuniibacter . The name proposed for this taxon is Neptuniibacter halophilus sp. nov.; the type strain is antisso-13T ( = LMG 25378T = BCRC 80079T). An emended description of the genus Neptuniibacter is provided.

Olleya namhaensis sp. nov., isolated from wood falls, and emended description of the genus Olleya Mancuso Nichols et al. 2005 emend. Lee et al. 2010

2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1610-1615 ◽  
Author(s):  
Mi-Hwa Lee ◽  
Yong-Taek Jung ◽  
Sooyeon Park ◽  
Jung-Hoon Yoon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Phenotypic Properties ◽  
Content Type ◽  
Link Type ◽  
Emended Description

A Gram-stain-negative, non-flagellated, gliding, rod-shaped bacterial strain, designated WT-MY15T, was isolated from wood falls in the South Sea in Korea and subjected to a polyphasic taxonomic study. Strain WT-MY15T grew optimally at pH 7.0–8.0, at 25 °C and in the presence of 2.0 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain WT-MY15T clustered with the type strains of two Olleya species, exhibiting 16S rRNA gene sequence similarity values of 97.7–98.1 %. Strain WT-MY15T contained MK-6 as the predominant menaquinone. The fatty acid and polar lipid profiles of strain WT-MY15T were similar to those of Olleya aquimaris L-4T and Olleya marilimosa CIP 108537T. The DNA G+C content of strain WT-MY15T was 42.8 mol% and its mean DNA–DNA relatedness values with O. aquimaris L-4T and O. marilimosa CIP 108537T were 8.3 and 5.6 %, respectively. The phylogenetic and genetic distinctiveness and differential phenotypic properties revealed that strain WT-MY15T is separate from the two recognized species of the genus Olleya . On the basis of the data presented, strain WT-MY15T is considered to represent a novel species of the genus Olleya , for which the name Olleya namhaensis sp. nov. is proposed. The type strain is WT-MY15T ( = KCTC 23673T = CCUG 61507T). An emended description of the genus Olleya is also presented.

Pseudomonas guangdongensis sp. nov., isolated from an electroactive biofilm, and emended description of the genus Pseudomonas Migula 1894

2013 ◽  
Vol 63 (Pt_12) ◽  
pp. 4599-4605 ◽  
Author(s):  
Guiqin Yang ◽  
Luchao Han ◽  
Junlin Wen ◽  
Shungui Zhou
Keyword(s):  
16S Rrna ◽  
Type Species ◽  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Emended Description

A Gram-negative, straight to slightly curved rod-shaped bacterium, motile with peritrichous flagella, designated SgZ-6T, was isolated from an electroactive biofilm and was characterized by means of a polyphasic approach. Growth occurred with 0–5.0 % (w/v) NaCl (optimum 1 %), at pH 6.0–10.0 (optimum pH 7.0) and at 10–42 °C (optimum 30 °C) in trypticase soya broth. Phylogenetic analyses based on the 16S rRNA and gyrB genes identified the isolate as a member of a novel species of the genus Pseudomonas . Strain SgZ-6T exhibited the highest 16S rRNA gene sequence similarity to ‘ Pseudomonas linyingensis’ CGMCC 1.10701 (97.5 %), followed by Pseudomonas sagittaria JCM 18195T (97.4 %), P. oleovorans subsp. lubricantis DSM 21016T (96.6 %), P. tuomuerensis JCM 14085T (96.5 %) and P. alcaliphila JCM 10630T (96.4 %). Strain SgZ-6T showed the highest gyrB gene sequence similarity of 93.7 % to ‘P. linyingensis’ CGMCC 1.10701 among all type strains of genus Pseudomonas . DNA–DNA pairing studies showed that strain SgZ-6T displayed 47.1 and 40.3 % relatedness to ‘P. linyingensis’ CGMCC 1.10701 and P. sagittaria JCM 18195T, respectively. The major isoprenoid quinone was ubiquinone 9 (Q-9). The whole-cell fatty acids consisted mainly of summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c), C16 : 0 and summed feature 8 (C18 : 1ω6c and/or C18 : 1ω7c). The DNA G+C content of the genomic DNA was 68.1 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain SgZ-6T is proposed to represent a novel species of the genus Pseudomonas , for which the name Pseudomonas guangdongensis sp. nov. is proposed. The type strain is SgZ-6T ( = CCTCC AB 2012022T = KACC 16606T). An emended description of the genus Pseudomonas is also proposed.

scholarly journals Nesterenkonia alkaliphila sp. nov., an alkaliphilic, halotolerant actinobacteria isolated from the western Pacific Ocean

2015 ◽  
Vol 65 (Pt_2) ◽  
pp. 516-521 ◽  
Author(s):  
Gaiyun Zhang ◽  
Yubian Zhang ◽  
Xijie Yin ◽  
Shuang Wang
Keyword(s):  
Pacific Ocean ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Western Pacific ◽  
Rrna Gene ◽  
Western Pacific Ocean ◽  
Content Type ◽  
Link Type ◽  
The Western Pacific

A Gram-staining-positive, aerobic, motile and non-spore-forming actinobacteria, designated strain F10T, was isolated from a deep-sea sediment of the western Pacific Ocean. Phylogenetic and phenotypic properties of the organism supported that it belonged to the genus Nesterenkonia . Strain F10T shared highest 16S rRNA gene sequence similarity of 96.8 % with Nesterenkonia aethiopica DSM 17733T, followed by Nesterenkonia xinjiangensis YIM 70097T (96.7 %) and Nesterenkonia alba CAAS 252T (96.6 %). The organism grew at 4–50 °C, at pH 7.0–12.0 and in the presence of 0–12 % (w/v) NaCl, with optimal growth occurring at 40 °C, at pH 9.0 and in the presence of 1 % (w/v) NaCl. The peptidoglycan type was A4(alpha), l-Lys–Gly–l-Glu. The polar lipid profile of strain F10T consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, two unknown glycolipids and two unknown lipids. The isolate contained MK-9 (92 %) and MK-8 (5.8 %) as the major components of the menaquinone system, and anteiso-C17 : 0 (50.9 %) and anteiso-C15 : 0 (29.8 %) as the predominant fatty acids. The G+C content of the genomic DNA of strain F10T was 66.2 mol%. Based on phenotypic, genotypic and phylogenetic analyses, strain F10T represents a novel species of the genus Nesterenkonia for which the name Nesterenkonia alkaliphila sp. nov. is proposed. The type strain is F10T ( = LMG 28112T = CGMCC 1.12781T = JCM 19766T = MCCC 1A09946T).

Jeongeupia chitinilytica sp. nov., a chitinolytic bacterium isolated from soil

2013 ◽  
Vol 63 (Pt_3) ◽  
pp. 934-938 ◽  
Author(s):  
Wen-Ming Chen ◽  
Rey-Chang Chang ◽  
Chih-Yu Cheng ◽  
Yu-Wen Shiau ◽  
Shih-Yi Sheu
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
16S Rrna Gene Sequences ◽  
Phenotypic Data ◽  
Polar Lipid Profile ◽  
Content Type ◽  
Link Type ◽  
Novel Bacterium

A novel bacterium, designated strain JchiT, was isolated from soil in Taiwan and characterized using a polyphasic approach. Cells of strain JchiT were aerobic, Gram-stain-negative, motile and rod-shaped. They contained poly-β-hydroxybutyrate granules and formed dark-yellow colonies. Growth occurred at 20–37 °C (optimum between 25 and 30 °C), at pH 6.0–8.0 (optimum between pH 7.0 and pH 8.0) and with 0–2 % NaCl (optimum between 0 and 1 %). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain JchiT belonged to the genus Jeongeupia and that its closest neighbour was Jeongeupia naejangsanensis BIO-TAS4-2T (98.0 % sequence similarity). The major fatty acids (>10 %) of strain JchiT were summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c), C16 : 0 and C18 : 1ω7c. The major cellular hydroxy fatty acid was C12 : 0 3-OH. The isoprenoid quinone was Q-8 and the genomic DNA G+C content was 66.1 mol%. The polar lipid profile consisted of a mixture of phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylserine and two unidentified phospholipids. The DNA–DNA relatedness value between strain JchiT and J. naejangsanensis BIO-TAS4-2T was about 41.0 %. On the basis of the genotypic and phenotypic data, strain JchiT represents a novel species in the genus Jeongeupia , for which the name Jeongeupia chitinilytica sp. nov. is proposed. The type strain is JchiT ( = BCRC 80367T  = KCTC 23701T).

Nocardiopsis coralli sp. nov. a novel actinobacterium isolated from the coral Galaxea astreata

2021 ◽  
Vol 71 (6) ◽  
Author(s):  
Fenfa Li ◽  
Qingyi Xie ◽  
Shuangqing Zhou ◽  
Fandong Kong ◽  
Yun Xu ◽  
...  
Keyword(s):  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Phenotypic Characteristics ◽  
Content Type ◽  
Link Type ◽  
Phosphatidylinositol Mannosides

Strain HNM0947T, representing a novel actinobacterium, was isolated from the coral Galaxea astreata collected from the coast of Wenchang, Hainan, China. The strain was found to have morphological and chemotaxonomic characteristics consistent with the genus Nocardiopsis . The organism formed abundant fragmented substrate mycelia and aerial mycelia which differentiated into non-motile, rod-shaped spores. Whole-cell hydrolysates contained meso-diaminopimelic acid and no diagnostic sugars. The major menaquinones were MK-10(H8), MK-10(H6) and MK-10(H4). The major phospholipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were iso-C16:0, anteiso-C17:0, C18:0, C18:0 10-methyl (TBSA) and anteiso-C15:0. The G+C content was 71.3 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HNM0947T belonged to the genus Nocardiopsis and shared highest sequence similarity to Nocardiopsis salina YIM 90010T (98.8%), Nocardiopsis xinjiangensis YIM 90004T(98.5%) and Nocardiopsis kunsanensis DSM 44524T (98.3%). The strain HNM0947T was distinguished from its closest type strain by low average nucleotide identity (90.8%) and dDDH values (60.4%) respectively. Based on genotypic, chemotaxonomic and phenotypic characteristics, it was concluded that strain HNM0947T represents a novel species of the genus Nocardiopsis whose name was proposed as Nocardiopsis coralli sp. nov. The type strain was HNM0947T (=CCTCC AA 2020015 T=KCTC 49525 T).

Mariniflexile maritimum sp. nov., isolated from seawater of the South Sea in the Republic of Korea

2021 ◽  
Vol 71 (7) ◽  
Author(s):  
So-Ra Ko ◽  
Ve Van Le ◽  
Long Jin ◽  
Sang-Ah Lee ◽  
Chi-Yong Ahn ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Republic Of Korea ◽  
Rrna Gene ◽  
The South ◽  
Content Type ◽  
Link Type ◽  
South Sea ◽  
The Republic

A novel Gram-stain-negative, rod-shaped, aerobic, non-motile bacterial strain, designated M5A1MT, was isolated from seawater collected from the South Sea of the Republic of Korea. Based on 16S rRNA gene sequence similarity, strain M5A1MT was closely related to Mariniflexile gromovii KMM 6038T (95.3 %), Mariniflexile fucanivorans SW5T (95.2 %), Mariniflexile soesokkakense RSSK-9T (95.1 %), Yeosuana aromativorans GW1-1T (94.6 %) and Confluentibacter lentus HJM-3T (94.6 %). Genome-based phylogenetic analyses revealed that strain M5A1MT formed a distinct cluster with the type strains of the genus Mariniflexile . The major cellular fatty acid constituents (>5 % of the total fatty acids) were iso-C15:0, anteiso-C15 : 0, iso-C15 : 0 3-OH, iso-C15 : 1 G, iso-C16:03-OH and iso-C17 : 0 3-OH. The respiratory quinone was identified as MK-6. The major polar lipids were phosphatidylethanolamine and one unidentified polar lipid. The genomic DNA G+C content of strain M5A1MT was determined to be 37.7 mol%. On the basis of its phenotypic, phylogenetic and chemotaxonomic characteristics, strain M5A1MT is considered to represent a novel species within the genus Mariniflexile , for which the name Mariniflexile maritimum sp. nov. is proposed. The type strain is M5A1MT (=KCTC 72895T=JCM 33982T).

Namhaeicola litoreus gen. nov., sp. nov., a member of the family Flavobacteriaceae isolated from seawater

2012 ◽  
Vol 62 (Pt_9) ◽  
pp. 2163-2168 ◽  
Author(s):  
Yong-Taek Jung ◽  
Ji-Hoon Kim ◽  
So-Jung Kang ◽  
Tae-Kwang Oh ◽  
Jung-Hoon Yoon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Type Strains

A Gram-staining-negative, non-flagellated, non-gliding and pleomorphic bacterial strain, designated DPG-25T, was isolated from seawater in a seaweed farm in the South Sea in Korea and its taxonomic position was investigated by using a polyphasic approach. Strain DPG-25T grew optimally at 25 °C, at pH 7.0–7.5 and in the presence of 2 % (w/v) NaCl. Flexirubin-type pigments were not produced. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain DPG-25T formed a cluster with the type strains of Actibacter sediminis , Aestuariicola saemankumensis and Lutimonas vermicola . Strain DPG-25T exhibited 16S rRNA gene sequence similarity values of 95.3, 93.1 and 93.6 % to the type strains of Actibacter sediminis , Aestuariicola saemankumensis and L. vermicola , respectively. Strain DPG-25T contained MK-6 as the predominant menaquinone and iso-C15 : 0 and iso-C17 : 0 3-OH as the major fatty acids. The major polar lipids detected in strain DPG-25T were phosphatidylethanolamine and one unidentified lipid. The DNA G+C content was 39.9 mol%. Differential phenotypic properties and the phylogenetic distinctiveness of strain DPG-25T demonstrated that this strain is distinguishable from Actibacter sediminis , Aestuariicola saemankumensis and L. vermicola . On the basis of the data presented here, strain DPG-25T represents a novel species in a novel genus of the family Flavobacteriaceae , for which the name Namhaeicola litoreus gen. nov., sp. nov. is proposed. The type strain of Namhaeicola litoreus is DPG-25T ( = KCTC 23702T  = CCUG 61485T).

scholarly journals Haloactinopolyspora alkaliphila sp. nov., and emended description of the genus Haloactinopolyspora

2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 1945-1951 ◽  
Author(s):  
Yong-Guang Zhang ◽  
Qing Liu ◽  
Hong-Fei Wang ◽  
Dao-Feng Zhang ◽  
Yuan-Ming Zhang ◽  
...  
Keyword(s):  
Type Species ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Content Type ◽  
North West ◽  
Link Type ◽  
Hybridization Data ◽  
Actinomycete Strain ◽  
Diamino Acid

A facultatively alkaliphilic actinomycete strain, designated EGI 80088T, was isolated from a saline-alkali soil sample from Xinjiang province, north-west China, and subjected to a polyphasic taxonomic characterization. Strain EGI 80088T formed fragmented aerial hyphae and short spore chains, and rod-like spores aggregated at maturity. Whole-cell hydrolysates of the isolate contained ll-diaminopimelic acid as the diagnostic diamino acid, and glucosamine, mannose, galactose, glucose and rhamnose as the marker sugars. The major fatty acids identified (>5 %) were anteiso-C15 : 0, iso-C15 : 0, summed feature 4 (iso-C17 : 1I/anteiso-C17 : 1B), iso-C16 : 0 and anteiso-C17 : 0. The predominant menaquinone was MK-9(H4). The G+C content of the genomic DNA of strain EGI 80088T was 70.6 mol%. EGI 80088T showed the highest 16S rRNA gene sequence similarity to its closest phylogenetic neighbour Haloactinopolyspora alba YIM 93246T (98.5 %). The DNA–DNA relatedness value of the strain EGI 80088T and H. alba YIM 93246T was 59.3±5.2 %. On the basis of morphological, chemotaxonomic and phylogenetic characteristics and DNA–DNA hybridization data, strain EGI 80088T represents a novel species of the genus Haloactinopolyspora , for which the name Haloactinopolyspora alkaliphila sp. nov. (type strain EGI 80088T = BCRC 16946T = JCM 19128T) is proposed. The description of the genus Haloactinopolyspora has also been emended.

scholarly journals Frigoribacterium endophyticum sp. nov., an endophytic actinobacterium isolated from the root of Anabasis elatior (C. A. Mey.) Schischk

2015 ◽  
Vol 65 (Pt_4) ◽  
pp. 1207-1212 ◽  
Author(s):  
Hong-Fei Wang ◽  
Yong-Guang Zhang ◽  
Ji-Yue Chen ◽  
Jian-Wei Guo ◽  
Li Li ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Dna Relatedness ◽  
Link Type ◽  
Endophytic Actinobacterium

A novel endophytic actinobacterium, designated EGI 6500707T, was isolated from the surface-sterilized root of a halophyte Anabasis elatior (C. A. Mey.) Schischk collected from Urumqi, Xinjiang province, north-west China, and characterized using a polyphasic approach. Cells were Gram-stain-positive, non-motile, short rods and produced white colonies. Growth occurred at 10–45 °C (optimum 25–30 °C), at pH 5–10 (optimum pH 8) and in presence of 0–4 % (w/v) NaCl (optimum 0–3 %). The predominant menaquinone was MK-9. The diagnostic phospholipids were diphosphatidylglycerol and phosphatidylglycerol. The major fatty acids were anteiso-C15 : 0, anteiso-C17 : 0 and iso-C16 : 0. The DNA G+C content of strain EGI 6500707T was 69.1 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain EGI 6500707T should be placed in the genus Frigoribacterium (family Microbacteriaceae , phylum Actinobacteria ), and that the novel strain exhibited the highest 16S rRNA gene sequence similarity to Frigoribacterium faeni JCM 11265T (99.1 %) and Frigoribacterium mesophilum MSL-08T (96.5 %). DNA–DNA relatedness between strain EGI 6500707T and F. faeni JCM 11265T was 47.2 %. On the basis of phenotypic and chemotaxonomic characteristics, phylogenetic analysis and DNA–DNA relatedness data, strain EGI 6500707T represents a novel species of the genus Frigoribacterium , for which the name Frigoribacterium endophyticum sp. nov. is proposed. The type strain is EGI 6500707T ( = JCM 30093T = KCTC 29493T).

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