scholarly journals Oceanisphaera donghaensis sp. nov., a halophilic bacterium from the East Sea, Korea

2006 ◽  
Vol 56 (4) ◽  
pp. 895-898 ◽  
Author(s):  
Soo-Je Park ◽  
Cheol-Hee Kang ◽  
Young-Do Nam ◽  
Jin-Woo Bae ◽  
Yong-Ha Park ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Halophilic Bacterium ◽  
Biochemical Properties ◽  
East Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence

A taxonomic study was carried out on two isolates, strains BL1T and BL11, from marine sediment collected from the East Sea, Korea. Comparative 16S rRNA gene sequence studies showed that these isolates clearly affiliated with the Gammaproteobacteria. BL1T and BL11 were most closely related to Oceanisphaera litoralis KMM 3654T (97·6 and 97·7 % 16S rRNA gene sequence similarity, respectively). The level of 16S rRNA gene sequence similarity between strains BL1T and BL11 was 99·7 %. The two isolates were Gram-negative, aerobic, moderately halophilic, and grew in 0·5–8·0 % NaCl and at 4–42 °C. Strains BL1T and BL11 shared some physiological and biochemical properties with O. litoralis KMM 3654T, although they differed in that BL1T and BL11 were able to utilize ethanol, proline and alanine. The G+C contents of the genomic DNA of strains BL1T and BL11 were 56·6 and 57·1 mol%, respectively. Both strains possessed C16 : 1 ω7c and/or iso-C15 : 0 2-OH, C16 : 0 and C18 : 1 ω7c as the major fatty acids. DNA–DNA relatedness data indicated that strains BL1T and BL11 represent a genomic species that is separate from O. litoralis KMM 3654T. On the basis of polyphasic evidence, it is proposed that strain BL1T (=KCTC 12522T=DSM 17589T) represents the type strain of a novel species, Oceanisphaera donghaensis sp. nov.

scholarly journals Glaciecola agarilytica sp. nov., an agar-digesting marine bacterium from the East Sea, Korea

2007 ◽  
Vol 57 (5) ◽  
pp. 951-953 ◽  
Author(s):  
Jeong-Joong Yong ◽  
Soo-Je Park ◽  
Hyeon-Ju Kim ◽  
Sung-Keun Rhee
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Distinct Species ◽  
Biochemical Properties ◽  
East Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence

A taxonomic study was carried out on an isolate, strain NO2T, from marine sediment collected from the East Sea, Korea. Comparative 16S rRNA gene sequence studies showed that this strain belonged to the Gammaproteobacteria and was most closely related to Glaciecola mesophila KMM 241T and Glaciecola polaris LMG 21857T (98.6 and 98.0 % 16S rRNA gene sequence similarity, respectively). The isolate was Gram-negative, aerobic and slightly halophilic and grew in 2–8 % NaCl and at 7–30 °C. Strain NO2T shared some physiological and biochemical properties with G. mesophila KMM 241T and G. polaris LMG 21857T. The G+C content of the genomic DNA of strain NO2T was 45 mol%. Strain NO2T possessed C16 : 0, summed feature 4 (C16 : 1 ω7c and/or iso-C15 : 0 2-OH) and summed feature 7 (C18 : 1 ω9c/ω12t/ω7c) as the major cellular fatty acids. DNA–DNA relatedness data indicated that strain NO2T represents a distinct species that is separate from G. mesophila and G. polaris. On the basis of polyphasic evidence, it is proposed that strain NO2T (=KCTC 12755T=LMG 23762T) represents the type strain of a novel species, Glaciecola agarilytica sp. nov.

scholarly journals Hongiella marincola sp. nov., isolated from sea water of the East Sea in Korea

2004 ◽  
Vol 54 (5) ◽  
pp. 1845-1848 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Soo-Hwan Yeo ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sea Water ◽  
Sequence Similarity ◽  
Major Fatty Acid ◽  
East Sea ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence

Two Gram-negative, non-motile, non-spore-forming, rod-shaped strains, SW-2T and SW-26, were isolated from sea water of the East Sea in Korea. These organisms grew optimally at 37 °C and in the presence of 2–3 % (w/v) NaCl. They did not grow without NaCl or in the presence of >9 % (w/v) NaCl. Strains SW-2T and SW-26 were characterized chemotaxonomically as having MK-7 as the predominant isoprenoid quinone and iso-C15 : 0 as the major fatty acid. The DNA G+C content of strains SW-2T and SW-26 was 43 mol%. A neighbour-joining tree based on 16S rRNA gene sequences showed that strains SW-2T and SW-26 fell within the Cytophaga–Flavobacterium–Bacteroides group and formed a coherent cluster with Hongiella species. Strains SW-2T and SW-26 showed a 16S rRNA gene sequence similarity value of 99·9 % and a mean DNA–DNA relatedness level of 87 % to each other. Levels of 16S rRNA gene sequence similarity between strains SW-2T and SW-26 and the type strains of two Hongiella species ranged from 94·2 to 96·6 %. On the basis of phenotypic and chemotaxonomic properties and phylogenetic distinctiveness, strains SW-2T and SW-26 should be placed in the genus Hongiella as members of a novel species, for which the name Hongiella marincola sp. nov. is proposed. The type strain is SW-2T (=KCTC 12180T=DSM 16067T).

scholarly journals Marinobacter oulmenensis sp. nov., a moderately halophilic bacterium isolated from brine of a salt concentrator

2011 ◽  
Vol 61 (9) ◽  
pp. 2210-2214 ◽  
Author(s):  
Karima Kharroub ◽  
Margarita Aguilera ◽  
María Luján Jiménez-Pranteda ◽  
Ana González-Paredes ◽  
Alberto Ramos-Cormenzana ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Halophilic Bacterium ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Moderately Halophilic ◽  
Moderately Halophilic Bacterium

A Gram-negative, aerobic, moderately halophilic bacterium, designated Set74T, was isolated from brine of a salt concentrator at Ain Oulmene, Algeria. The strain grew optimally at 37–40 °C, at pH 6.5–7.0 and with 5–7.5 % (w/v) NaCl and used various organic compounds as sole carbon, nitrogen and energy sources. Ubiquinone 9 (Q-9) was the major lipoquinone. The main cellular fatty acids were C16 : 0, C18 : 1ω9c, summed feature 7 (ECL 18.846; C19 : 0 cyclo ω10c and/or C19 : 1ω6c), C12 : 0 3-OH, C16 : 1ω9c, C18 : 0 and C12 : 0. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol and phosphatidylethanolamine. The G+C content of the genomic DNA was 57.4 mol%. The 16S rRNA gene sequence analysis indicated that strain Set74T was a member of the genus Marinobacter. The closest relatives of strain Set74T were Marinobacter santoriniensis NKSG1T (97.5 % 16S rRNA gene sequence similarity) and Marinobacter koreensis DD-M3T (97.4 %). DNA–DNA relatedness between strain Set74T and M. santoriniensis DSM 21262T and M. koreensis DSM 17924T was 45 and 37 %, respectively. On the basis of the phenotypic, chemotaxonomic and phylogenetic features, a novel species, Marinobacter oulmenensis sp. nov., is proposed. The type strain is Set74T ( = CECT 7499T  = DSM 22359T).

scholarly journals Salinimicrobium marinum sp. nov., a halophilic bacterium of the family Flavobacteriaceae, and emended descriptions of the genus Salinimicrobium and Salinimicrobium catena

2010 ◽  
Vol 60 (10) ◽  
pp. 2303-2306 ◽  
Author(s):  
Olga I. Nedashkovskaya ◽  
Marc Vancanneyt ◽  
Seung Bum Kim ◽  
Jihye Han ◽  
Natalia V. Zhukova ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Halophilic Bacterium ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
The Family ◽  
Taxonomic Approach

Two novel heterotrophic, facultatively anaerobic, gliding and yellow-pigmented bacteria, designated strains KMM 6270T and KMM 6320, were isolated from different marine environments and studied using a polyphasic taxonomic approach. 16S rRNA gene sequence analysis placed the strains within the family Flavobacteriaceae. Strains KMM 6270T and KMM 6320 were most closely related to the type strains of recognized species of the genus Salinimicrobium (95.0–96.6 % 16S rRNA gene sequence similarity). The G+C content of the genomic DNA was 40–41 mol%. The strains grew with 0.5–15 % (w/v) NaCl (optimum 4 % NaCl) and at 4–41 °C (optimum 28–32 °C). Aesculin and gelatin were hydrolysed, but agar, casein, DNA and chitin were not. The phylogenetic data taken together with the results of the genotypic and phenotypic studies permit the classification of strains KMM 6270T and KMM 6320 as members of a novel species of the genus Salinimicrobium, for which the name Salinimicrobium marinum sp. nov. is proposed. The type strain is KMM 6270T (=KCTC 12719T=LMG 25395T).

scholarly journals Streptomonospora litoralis sp. nov., a halophilic thiopeptides producer isolated from sand collected at Cuxhaven beach

2021 ◽  
Author(s):  
Shadi Khodamoradi ◽  
Richard L. Hahnke ◽  
Yvonne Mast ◽  
Peter Schumann ◽  
Peter Kämpfer ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Bioinformatic Analysis ◽  
Biosynthetic Gene Cluster ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Polar Lipid Profile

AbstractStrain M2T was isolated from the beach of Cuxhaven, Wadden Sea, Germany, in course of a program to attain new producers of bioactive natural products. Strain M2T produces litoralimycin and sulfomycin-type thiopeptides. Bioinformatic analysis revealed a potential biosynthetic gene cluster encoding for the M2T thiopeptides. The strain is Gram-stain-positive, rod shaped, non-motile, spore forming, showing a yellow colony color and forms extensively branched substrate mycelium and aerial hyphae. Inferred from the 16S rRNA gene phylogeny strain M2T affiliates with the genus Streptomonospora. It shows 96.6% 16S rRNA gene sequence similarity to the type species Streptomonospora salina DSM 44593 T and forms a distinct branch with Streptomonospora sediminis DSM 45723 T with 97.0% 16S rRNA gene sequence similarity. Genome-based phylogenetic analysis revealed that M2T is closely related to Streptomonospora alba YIM 90003 T with a digital DNA-DNA hybridisation (dDDH) value of 26.6%. The predominant menaquinones of M2T are MK-10(H6), MK-10(H8), and MK-11(H6) (> 10%). Major cellular fatty acids are iso-C16:0, anteiso C17:0 and C18:0 10-methyl. The polar lipid profile consisted of diphosphatidylglycerol phosphatidyl glycerol, phosphatidylinositol, phosphatidylcholine, phosphatidylethanolamine, three glycolipids, two unknown phospholipids, and two unknown lipids. The genome size of type strain M2T is 5,878,427 bp with 72.1 mol % G + C content. Based on the results obtained from phylogenetic and chemotaxonomic studies, strain M2T (= DSM 106425 T = NCCB 100650 T) is considered to represent a novel species within the genus Streptomonospora for which the name Streptomonospora litoralis sp. nov. is proposed.

scholarly journals Faecalicoccus acidiformans gen. nov., sp. nov., isolated from the chicken caecum, and reclassification of Streptococcus pleomorphus (Barnes et al. 1977), Eubacterium biforme (Eggerth 1935) and Eubacterium cylindroides (Cato et al. 1974) as Faecalicoccus pleomorphus comb. nov., Holdemanella biformis gen. nov., comb. nov. and Faecalitalea cylindroides gen. nov., comb. nov., respectively, within the family Erysipelotrichaceae

2014 ◽  
Vol 64 (Pt_11) ◽  
pp. 3877-3884 ◽  
Author(s):  
Celine De Maesschalck ◽  
Filip Van Immerseel ◽  
Venessa Eeckhaut ◽  
Siegrid De Baere ◽  
Margo Cnockaert ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

Strains LMG 27428T and LMG 27427 were isolated from the caecal content of a chicken and produced butyric, lactic and formic acids as major metabolic end products. The genomic DNA G+C contents of strains LMG 27428T and LMG 27427 were 40.4 and 38.8 mol%. On the basis of 16S rRNA gene sequence similarity, both strains were most closely related to the generically misclassified Streptococcus pleomorphus ATCC 29734T. Strain LMG 27428T could be distinguished from S. pleomorphus ATCC 29734T based on production of more lactic acid and less formic acid in M2GSC medium, a higher DNA G+C content and the absence of activities of acid phosphatase and leucine, arginine, leucyl glycine, pyroglutamic acid, glycine and histidine arylamidases, while strain LMG 27428 was biochemically indistinguishable from S. pleomorphus ATCC 29734T. The novel genus Faecalicoccus gen. nov. within the family Erysipelotrichaceae is proposed to accommodate strains LMG 27428T and LMG 27427. Strain LMG 27428T ( = DSM 26963T) is the type strain of Faecalicoccus acidiformans sp. nov., and strain LMG 27427 ( = DSM 26962) is a strain of Faecalicoccus pleomorphus comb. nov. (type strain LMG 17756T = ATCC 29734T = DSM 20574T). Furthermore, the nearest phylogenetic neighbours of the genus Faecalicoccus are the generically misclassified Eubacterium cylindroides DSM 3983T (94.4 % 16S rRNA gene sequence similarity to strain LMG 27428T) and Eubacterium biforme DSM 3989T (92.7 % 16S rRNA gene sequence similarity to strain LMG 27428T). We present genotypic and phenotypic data that allow the differentiation of each of these taxa and propose to reclassify these generically misnamed species of the genus Eubacterium formally as Faecalitalea cylindroides gen. nov., comb. nov. and Holdemanella biformis gen. nov., comb. nov., respectively. The type strain of Faecalitalea cylindroides is DSM 3983T = ATCC 27803T = JCM 10261T and that of Holdemanella biformis is DSM 3989T = ATCC 27806T = CCUG 28091T.

scholarly journals Paenibacillus xinjiangensis sp. nov., isolated from Xinjiang province in China

2006 ◽  
Vol 56 (11) ◽  
pp. 2579-2582 ◽  
Author(s):  
Jee-Min Lim ◽  
Che Ok Jeon ◽  
Dong-Jin Park ◽  
Li-Hua Xu ◽  
Cheng-Lin Jiang ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
16S Rrna Gene Sequences ◽  
Sequence Similarities

Strain B538T is a Gram-positive, motile, rod-shaped bacterium, which was isolated from Xinjiang province in China. This organism grew optimally at 30–35 °C and pH 8.0–8.5. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain B538T belonged to the genus Paenibacillus and chemotaxonomic data (DNA G+C content, 47.0 mol%; major isoprenoid quinone, MK-7; cell wall type, A1γ meso-diaminopimelic acid; major fatty acids, anteiso-C15 : 0 and C16 : 0) supported affiliation of the isolate with the genus Paenibacillus. Comparative 16S rRNA gene sequence analyses showed that the isolate was most closely related to Paenibacillus glycanilyticus DS-1T, with 16S rRNA gene sequence similarity of 98.1 %; sequence similarities to other members of the genus Paenibacillus used in the phylogenetic tree were less than 96.5 %. The DNA–DNA relatedness between strain B538T and P. glycanilyticus DS-1T was about 8.0 %. On the basis of physiological and molecular properties, strain B538T (=KCTC 3952T=DSM 16970T) is proposed as the type strain of a novel species within the genus Paenibacillus, for which the name Paenibacillus xinjiangensis sp. nov. is proposed.

scholarly journals Exiguobacterium aestuarii sp. nov. and Exiguobacterium marinum sp. nov., isolated from a tidal flat of the Yellow Sea in Korea

2005 ◽  
Vol 55 (2) ◽  
pp. 885-889 ◽  
Author(s):  
In-Gi Kim ◽  
Mi-Hwa Lee ◽  
Seo-Youn Jung ◽  
Jae Jun Song ◽  
Tae-Kwang Oh ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
Yellow Sea ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence

Three Gram-variable, rod-shaped bacterial strains, TF-16T, TF-19 and TF-80T, were isolated from a tidal flat of Daepo Beach (Yellow Sea) near Mokpo City, Korea, and their taxonomic positions were investigated by a polyphasic approach. These isolates grew optimally in the presence of 2 % NaCl and at 30 °C. Their peptidoglycan types were based on l-Lys–Gly. The predominant menaquinone detected in the three strains was MK-7. The three strains contained large amounts of the branched fatty acids iso-C17 : 0, anteiso-C13 : 0, iso-C13 : 0 and iso-C15 : 0. The DNA G+C contents of strains TF-16T, TF-19 and TF-80T were 48·6, 48·4 and 48·0 mol%, respectively. The three strains formed a coherent cluster with Exiguobacterium species in a phylogenetic tree based on 16S rRNA gene sequences. They showed closest phylogenetic affiliation to Exiguobacterium aurantiacum, with 16S rRNA gene sequence similarity values of 98·1–98·3 %. The three strains exhibited 16S rRNA gene sequence similarity values of 94·0–94·6 % to the type strains of other Exiguobacterium species. Levels of DNA–DNA relatedness indicated that strains TF-16T and TF-19 and strain TF-80T are members of two species that are separate from E. aurantiacum. On the basis of phenotypic, phylogenetic and genetic data, strains TF-16T and TF-19 and strain TF-80T represent two novel species in the genus Exiguobacterium; the names Exiguobacterium aestuarii sp. nov. (type strain TF-16T=KCTC 19035T=DSM 16306T; reference strain TF-19) and Exiguobacterium marinum sp. nov. (type strain TF-80T=KCTC 19036T=DSM 16307T) are proposed.

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 Salinicoccus luteus sp. nov., isolated from a desert soil

2007 ◽  
Vol 57 (8) ◽  
pp. 1901-1905 ◽  
Author(s):  
Yu-Qin Zhang ◽  
Li-Yan Yu ◽  
Hong-Yu Liu ◽  
Yue-Qin Zhang ◽  
Li-Hua Xu ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Desert Soil ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
The Novel ◽  
Rrna Gene Sequence ◽  
Moderately Halophilic Bacterium

A moderately halophilic bacterium, strain YIM 70202T, was isolated from a desert soil sample collected from Egypt and was subjected to a taxonomic investigation. In a phylogenetic dendrogram based on 16S rRNA gene sequence analysis, strain YIM 70202T was affiliated to the Salinicoccus clade, showing 94.5–96.8 % 16S rRNA gene sequence similarity to the recognized species of the genus Salinicoccus, in which Salinicoccus roseus CCM 3516T was the nearest neighbour. The DNA–DNA relatedness value of the novel isolate with S. roseus CCM 3516T was 12.7 %. The novel isolate grew at temperatures between 4 and 45 °C and at pH values ranging from 7.0 to 11.0, with an optimum of 30 °C and pH 8.0–9.0, respectively. Strain YIM 70202T grew optimally in the presence of 10 % NaCl (w/v) and growth was observed at NaCl concentrations in the range 1–25 % (w/v). Chemotaxonomic data revealed that strain YIM 70202T contained MK-6 as the predominant respiratory quinone, possessed l-Lys–Gly5 as the cell-wall peptidoglycan, had phosphatidylglycerol, diphosphatidylglycerol and an unknown glycolipid as the polar lipids and contained i-C15 : 0 and ai-C15 : 0 as the predominant fatty acids. The DNA G+C content was 49.7 mol%. The biochemical and chemotaxonomic properties demonstrate that strain YIM 70202T represents a novel species of the genus Salinicoccus. The name Salinicoccus luteus sp. nov. is proposed with strain YIM 70202T (=CGMCC 1.6511T=KCTC 3941T) as the type strain.

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