Dyella kyungheensis sp. nov., isolated from soil of a cornus fruit field

2013 ◽  
Vol 63 (Pt_10) ◽  
pp. 3807-3811 ◽  
Author(s):  
Heung-Min Son ◽  
Jung-Eun Yang ◽  
Eun-Ji Yi ◽  
YongJin Park ◽  
Kyung-Hwa Won ◽  
...  
Keyword(s):  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Biochemical Tests ◽  
Content Type ◽  
Link Type ◽  
The Family ◽  
Physiological And Biochemical

A Gram-reaction-negative, aerobic, motile by one polar flagellum, yellow-pigmented, rod-shaped bacterium, designated strain THG-B117T, was isolated from soil of a cornus fruit field of Hoengseong province in South Korea and its taxonomic position was investigated by a polyphasic study. Strain THG-B117T grew well at 25–30 °C and at pH 6.0–8.0 in the absence of NaCl on nutrient agar. On the basis of 16S rRNA gene sequence similarity, strain THG-B117T was shown to belong to the family Xanthomonadaceae and be related to Dyella japonica XD53T (98.7 % similarity), Dyella terrae JS14-6T (98.0 %), Dyella koreensis BB4T (96.9 %), Dyella soli JS12-10T (96.9 %) and Dyella thiooxydans ATSB10T (96.7 %). DNA–DNA hybridization experiments showed that DNA relatedness between strain THG-B117T and its phylogenetically closest neighbours was below 45.1 %. The G+C content of the genomic DNA of strain THG-B117T was 64.8 mol%. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, diphosphatidylglycerol, unidentified aminolipids, unidentified aminophospholipids and unidentified phospholipids. Phenotypic and chemotaxonomic data (major ubiquinone was Q-8, and major fatty acids were iso-C15 : 0, iso-C16 : 0, iso-C17 : 0 and iso-C17 : 1ω9c) supported the affiliation of strain THG-B117T with the genus Dyella . The results of physiological and biochemical tests suggested that strain THG-B117T was different genotypically and phenotypically from recognized species of the genus Dyella , and represents a novel species of this genus. The name Dyella kyungheensis sp. nov. is proposed, with the type strain THG-B117T ( = KACC 16981T = JCM 18747T).

scholarly journals Streptomyces graminifolii sp. nov., isolated from bamboo (Sasa borealis) litter

2014 ◽  
Vol 64 (Pt_8) ◽  
pp. 2517-2521 ◽  
Author(s):  
Hyo-Jin Lee ◽  
Kyung-Sook Whang
Keyword(s):  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Morphological Properties ◽  
Rrna Gene ◽  
Biochemical Tests ◽  
Content Type ◽  
Link Type ◽  
Physiological And Biochemical ◽  
The 16S Rrna Gene

The taxonomic position of strain JL-22T, isolated from litter of a bamboo (Sasa borealis) forest, was determined using a polyphasic approach. The organism had phenotypic and morphological properties consistent with it being a member of the genus Streptomyces . Phylogenetic analysis of the 16S rRNA gene sequence showed that strain JL-22T was closely related to Streptomyces prunicolor NRRL B-12281T (99.2 %), Streptomyces galilaeus JCM 4757T (99.0 %) and Streptomyces chartreusis NBRC 12753T (99.0 %). However, the results of DNA–DNA hybridization and physiological and biochemical tests showed that strain JL-22T could be differentiated from its closest phylogenetic relatives both genotypically and phenotypically. Based on phenotypic and genotypic data, strain JL-22T represents a novel species of the genus Streptomyces , for which the name Streptomyces graminifolii sp. nov. is proposed. The type strain is JL-22T ( = KACC 17180T = NBRC 109806T).

scholarly journals Reclassification and emended description of Caulobacter leidyi as Sphingomonas leidyi comb. nov., and emendation of the genus Sphingomonas

2012 ◽  
Vol 62 (Pt_12) ◽  
pp. 2835-2843 ◽  
Author(s):  
Hong Chen ◽  
Mareike Jogler ◽  
Manfred Rohde ◽  
Hans-Peter Klenk ◽  
Hans-Jürgen Busse ◽  
...  
Keyword(s):  
16S Rrna ◽  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
The Family

‘ Caulobacter leidyi ’ DSM 4733T has been shown to be affiliated with the family Sphingomonadaceae instead of the Caulobacteraceae , and due to its poor characterization has been omitted from the current edition of Bergey’s Manual of Systematic Bacteriology and removed to limbo. We isolated a novel sphingoglycolipid-containing dimorphic prosthecate bacterium, designated strain 247, from a pre-alpine freshwater lake. Strain 247 and ‘ Caulobacter leidyi ’ DSM 4733T were characterized in detail. The rod-shaped cells were Gram-stain-negative, aerobic, catalase- and oxidase-positive, and formed a stalk or polar flagellum. Both strains grew optimally at 28–30 °C, and pH 6.0–8.0. The major fatty acids were C18 : 1ω7c, C16 : 0 and 11-methyl C18 : 1ω7c. C14 : 0 2-OH represents the major 2-hydroxy fatty acid. Q-10 was the major respiratory quinone and the major polar lipids were diphosphatidylglycerol, phosphatidyldimethylethanolamine, phosphatidylglycerol, phosphatidylmonomethylethanolamine, phosphatidylethanolamine, phosphatidylcholine, three glycolipids, two phosphoaminolipids and two unidentified sphingoglycolipids. The major polyamine was sym-homospermidine. The G+C content of genomic DNA of strains 247 and DSM 4733T was 67.6 mol% and 67.0 mol%, respectively. According to 16S rRNA gene sequence analysis and DNA–DNA hybridization, strains DSM 4733T and 247 were phylogenetically closely related (99.6 % 16S rRNA gene sequence similarity, 82.9 % DNA–DNA hybridization value) and affiliated to the genus Sphingomonas . The closest recognized species was Sphingomonas aquatilis DSM 15581T (98.1 % sequence similarity). In addition, the presence of cystine arylamidase, absence of β-galactosidase, and the inability to utilize l-arabinose, galactose and sucrose distinguished strains DSM 4733T and 247 from most other members of the family Sphingomonadaceae . So far, the dimorphic life cycle that involves a prosthecate and a flagellated stage is unique for strains DSM 4733T and 247 among all members of the family Sphingomonadaceae . Therefore, Caulobacter leidyi is reclassified as Sphingomonas leidyi, with the type strain DSM 4733T ( = ATCC 15260T = CIP 106443T = VKM B-1368T) and strain 247 (DSM 25078 = LMG 26658) as an additional strain of this species.

Halobacillus fulvus sp. nov., a moderately halophilic bacterium isolated from shrimp paste (Ka-pi) in Thailand

2021 ◽  
Vol 71 (11) ◽  
Author(s):  
Auttaporn Booncharoen ◽  
Wonnop Visessanguan ◽  
Nattakorn Kuncharoen ◽  
Supalurk Yiamsombut ◽  
Pannita Santiyanont ◽  
...  
Keyword(s):  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Halophilic Bacterium ◽  
Rrna Gene ◽  
Content Type ◽  
Moderately Halophilic ◽  
Link Type ◽  
Moderately Halophilic Bacterium

An aerobic, Gram-stain-positive, endospore-forming, rod-shaped and moderately halophilic strain SKP4-6T, was isolated from shrimp paste (Ka-pi) collected from Samut Sakhon Province, Thailand. Phylogenetic analysis revealed that strain SKP4-6T belonged to the genus Halobacillus and was most closely related to Halobacillus salinus JCM 11546T (98.6 %), Halobacillus locisalis KCTC 3788T (98.6 %) and Halobacillus yeomjeoni KCTC 3957T (98.6 %) based on 16S rRNA gene sequence similarity. The digital DNA–DNA hybridization (dDDH) and average nucleotide identity (ANI) values between strain SKP4-6T and its related species were 18.2–19.3 % and 69.84–84.51 %, respectively, which were lower than the threshold recommended for species delineation. The strain grew optimally at 30–40 °C, at pH 7.0 and with 10–15 % (w/v) NaCl. It contained l-Orn–d-Asp in the cell wall peptidoglycan. The DNA G+C content was 44.8 mol%. The major fatty acids were iso-C15 : 0, anteiso-C15 : 0 and anteiso-C17 : 0. The predominant isoprenoid quinone was MK-7. Phosphatidylglycerol and diphosphatidylglycerol were present as major polar lipids. Based on this polyphasic approach, digital DNA–DNA relatedness and ANI values, strain SKP4-6T represents a novel species of the genus Halobacillus , for which the name Halobacillus fulvus sp. nov. is proposed. The type strain is SKP4-6T (=JCM 32624T=TISTR 2595T).

scholarly journals Streptomyces catbensis sp. nov., isolated from soil

2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 2146-2151 ◽  
Author(s):  
Yayoi Sakiyama ◽  
Nguyen M. Giang ◽  
Shinji Miyadoh ◽  
Dao Thi Luong ◽  
Duong Van Hop ◽  
...  
Keyword(s):  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
Biochemical Traits ◽  
Content Type ◽  
Link Type ◽  
Type Strains ◽  
Physiological And Biochemical

Strain VN07A0015T was isolated from soil collected on Cat Ba Island, Vietnam. The taxonomic position of strain VN07A0015T was near Streptomyces aomiensis M24DS4T (98.5 % 16S rRNA gene sequence similarity) and Streptomyces scabrisporus NBRC 100760T (95.6 %), and it clustered within them; however, this cluster was distant from the type strains of other species of the genus Streptomyces . The aerial mycelia of strain VN07A0015T were greyish and formed imperfect spiral spore chains (retinaculiaperti type) with smooth-surfaced spores. The morphological features of strain VN07A0015T were different from those of the type strains of S. aomiensis and S. scabrisporus . The chemotaxonomic characteristics of strain VN07A0015T were typical for all members of the genus Streptomyces , which possessed ll-type diaminopimelic acid, menaquinone MK-9(H6, H8) and the major fatty acids iso-C16 : 0 and iso-C15 : 0. DNA–DNA relatedness between strain VN07A0015T and S. aomiensis NBRC 106164T was less than 30 %. In addition, some physiological and biochemical traits differed from those of S. aomiensis . Therefore, we propose that strain VN07A0015T be classified in the genus Streptomyces as a representative of Streptomyces catbensis sp. nov. (type strain VN07A0015T = VTCC-A-1889T = NBRC 107860T).

Rhodomicrobium udaipurense sp. nov., a psychrotolerant, phototrophic alphaproteobacterium isolated from a freshwater stream

2013 ◽  
Vol 63 (Pt_7) ◽  
pp. 2684-2689 ◽  
Author(s):  
V. Venkata Ramana ◽  
P. Shalem Raj ◽  
L. Tushar ◽  
Ch. Sasikala ◽  
Ch. V. Ramana
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

Two strains (JA643T and JA755) of Gram-stain-negative, facultatively anaerobic phototrophic, bacteria capable of growth at low temperatures (10–15 °C) were isolated from freshwater streams from different geographical regions of India. Both strains contain bacteriochlorophyll a and carotenoids of the spirilloxanthin series. Phosphatidylethanolamine, phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified phospholipid (PL), unidentified amino lipids (AL1–AL6, AL9) and an unidentified lipid (L1) were the polar lipids present in both strains. The major cellular fatty acid was C18 : 1ω7c (76–79 % of the total). Bacteriohopane derivatives (BHD1,2), unidentified hopanoids (UH1–5), diplopterol (DPL) and diploptene (DPE) were the major hopanoids of both strains. The DNA G+C content was 64.2–64.5 mol%. 16S rRNA gene sequence-based phylogenetic analysis showed that both strains are closely related to the genus Rhodomicrobium and clustered with Rhodomicrobium vannielii DSM 162T (99 % sequence similarity). However, both strains exhibited only 46.1 % DNA–DNA hybridization with R. vannielii DSM 162T. Strains JA643T and JA755 shared >99 % 16S rRNA gene sequence similarity and were >85 % related on the basis of DNA–DNA hybridization; they are therefore considered to represent a novel species in the genus Rhodomicrobium , for which the name Rhodomicrobium udaipurense sp. nov. is proposed. The type strain is JA643T ( = KCTC 15219T = NBRC 109057T).

Lysinibacillus manganicus sp. nov., isolated from manganese mining soil

2013 ◽  
Vol 63 (Pt_10) ◽  
pp. 3568-3573 ◽  
Author(s):  
Hongliang Liu ◽  
Yumei Song ◽  
Fang Chen ◽  
Shixue Zheng ◽  
Gejiao Wang
Keyword(s):  
Cell Wall ◽  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Mining Soil ◽  
Link Type ◽  
Type Strains

A Gram-stain-positive, aerobic, motile, rod-shaped bacterium, designated strain Mn1-7T, was isolated from manganese mining soil in Tianjin, China. The closest phylogenetic relatives were Lysinibacillus massiliensis CCUG 49529T (97.2 % 16S rRNA gene sequence similarity), L. xylanilyticus XDB9T (96.7 %), L. sinduriensis JCM 15800T (96.2 %), L. odysseyi NBRC 100172T (95.9 %) and L. boronitolerans NBRC 103108T (95.4 %) (the type species of the genus). DNA–DNA hybridization values for strain Mn1-7T with the type strains of L. massiliensis and L. sinduriensis were 24.9 and 27.7 %, respectively. The genomic DNA G+C content was 38.4 mol%. The major menaquinone was MK-7 and the major fatty acids were iso-C15 : 0, iso-C16 : 0 and iso-C14 : 0. The major polar lipids were diphosphatidylglycerol and phosphatidylglycerol. The cell-wall peptidoglycan was type A4α (l-Lys–d-Asp), and the predominant cell-wall sugar was xylose. DNA–DNA hybridization results and comparison of phenotypic and chemotaxonomic characters between strain Mn1-7T and the phylogenetically most closely related strains revealed that the isolate represents a novel species of the genus Lysinibacillus , for which the name Lysinibacillus manganicus sp. nov. is proposed. The type strain is Mn1-7T ( = DSM 26584T = CCTCC AB 2012916T).

Sphingobium limneticum sp. nov. and Sphingobium boeckii sp. nov., two freshwater planktonic members of the family Sphingomonadaceae , and reclassification of Sphingomonas suberifaciens as Sphingobium suberifaciens comb. nov.

2013 ◽  
Vol 63 (Pt_2) ◽  
pp. 735-743 ◽  
Author(s):  
Hong Chen ◽  
Mareike Jogler ◽  
Manfred Rohde ◽  
Hans-Peter Klenk ◽  
Hans-Jürgen Busse ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Dna Hybridization ◽  
Hydroxy Fatty Acid ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

Two novel chemo-organoheterotrophic members of the Sphingomonadaceae were isolated from alpine and pre-alpine lakes. Cells stained Gram-negative, were motile and rod-shaped, and formed yellow, circular, convex colonies on different agar media. Strains 301T and 469T were strictly aerobic, catalase- and oxidase-positive, and grew at temperatures between 10 and 40 °C (optimum, 28 °C), and at pH values between 5 and 10 (optimum, pH 7). Both strains contained Q-10 as the dominant quinone, sphingoglycolipids and 2-hydroxymyristic acid, whereas 3-hydroxy fatty acids were absent. Major fatty acids of strain 301T were C18 : 1ω7c (53.3 %) and C16 : 1ω7c (22.9 %), with C14 : 0 2-OH (10.8 %) as the major 2-hydroxy fatty acid. Fatty acids of strain 469T were dominated by C18 : 1ω7c (34.4 %), C16 : 1ω7c (32.0 %) and C14 : 0 2-OH (15.2 %) as the major 2-hydroxy fatty acid. The genomic DNA G+C contents of strains 301T and 469T were 63.4 and 64.6 mol%, respectively. 16S rRNA gene sequence comparison indicated that both strains belonged to the genus Sphingobium . This classification was supported by the presence of spermidine as the major polyamine. The phylogenetically closest relatives of strain 301T were Sphingobium amiense DSM 16289T, Sphingobium vermicomposti DSM 21299T, Sphingobium yanoikuyae DSM 7462T and Sphingobium scionense DSM 19371T (98.8, 98.0, 97.9 and 97.4 % sequence similarity, respectively). DNA–DNA hybridization of genomic DNA yielded similarities in the range 43.2–12.1 % between strain 301T and the type strains of these four Sphingobium species. Closest relatives of strain 469T were Sphingomonas suberifaciens DSM 7465T and Sphingobium scionense DSM 19371T (97.1 and 96.5 % 16S rRNA gene sequence similarity, respectively). The degree of DNA–DNA hybridization between strain 469T and Sphingomonas suberifaciens DSM 7465T was 17.9 %. Based on the results of the molecular analyses and their phenotypic characteristics, strains 301T and 469T represent two novel species of the genus Sphingobium . The name Sphingobium limneticum sp. nov. is proposed for strain 301T( = DSM25076T = LMG 26659T). The name Sphingobium boeckii sp. nov. is proposed for strain 469T ( = DSM 25079T = LMG 26901T). The polyphasic analysis also suggests that Sphingomonas suberifaciens should be reclassified as Sphingobium suberifaciens comb. nov. with Ca1T ( = EY 2404T = ATCC 49355T = CIP 105429T = DSM 7465T = ICMP 12535T = NBRC 15211T = JCM 8521T = LMG 17323T = NCPPB 3629T) as the type strain.

scholarly journals Bifidobacterium faecale sp. nov., isolated from human faeces

2014 ◽  
Vol 64 (Pt_9) ◽  
pp. 3134-3139 ◽  
Author(s):  
Jung-Hye Choi ◽  
Kyung Min Lee ◽  
Myung-Ki Lee ◽  
Chang-Jun Cha ◽  
Geun-Bae Kim
Keyword(s):  
Dna Hybridization ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Bifidobacterium Adolescentis ◽  
Content Type ◽  
Link Type ◽  
Gram Staining ◽  
Gene Sequence Analysis

A novel strain, designated strain CU3-7T, was isolated from faeces of a two-week-old baby. The isolate was Gram-staining-positive, anaerobic and rod-shaped. Results from 16S rRNA gene sequence analysis revealed that strain CU3-7T was phylogenetically affiliated with members of the genus Bifidobacterium . Strain CU3-7T showed the highest level of sequence similarity with Bifidobacterium adolescentis KCTC 3216T (98.4 %), followed by Bifidobacterium ruminantium KCTC 3425T (97.9 %). Analysis of hsp60 sequences showed that strain CU3-7T was closely related to B. adolescentis KCTC 3216T (94.0 %) and B. ruminantium KCTC 3425T (92.5 %). The DNA–DNA hybridization values with the closely related strains were all below the cut-off value for species delineation, 17.0 % with B. ruminantium KCTC 3425T and 14.9 % with B. adolescentis KCTC 3216T. Fructose-6-phosphate phosphoketolase activity was detected. The predominant cellular fatty acids were C16 : 0 (27.7 %), C18 : 1ω9c (27.4 %) and C18 : 1ω9c dimethylacetate (15.5 %). The DNA G+C content was 58.6 mol%. On the basis of polyphasic taxonomy, strain CU3-7T should be classified as the type strain of a novel species within the genus Bifidobacterium , for which the name Bifidobacterium faecale sp. nov. is proposed ( = KACC 17904T = JCM 19861T).

scholarly journals Streptococcus oriloxodontae sp. nov., isolated from the oral cavities of elephants

2014 ◽  
Vol 64 (Pt_11) ◽  
pp. 3755-3759 ◽  
Author(s):  
Noriko Shinozaki-Kuwahara ◽  
Masanori Saito ◽  
Masatomo Hirasawa ◽  
Kazuko Takada
Keyword(s):  
Sequence Analysis ◽  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Housekeeping Genes ◽  
Rrna Gene ◽  
Biochemical Tests ◽  
Content Type ◽  
Link Type ◽  
Streptococcal Species

Two strains were isolated from oral cavity samples of healthy elephants. The isolates were Gram-positive, catalase-negative, coccus-shaped organisms that were tentatively identified as a streptococcal species based on the results of biochemical tests. Comparative 16S rRNA gene sequence analysis suggested classification of these organisms in the genus Streptococcus with Streptococcus criceti ATCC 19642T and Streptococcus orisuis NUM 1001T as their closest phylogenetic neighbours with 98.2 and 96.9 % gene sequence similarity, respectively. When multi-locus sequence analysis using four housekeeping genes, groEL, rpoB, gyrB and sodA, was carried out, similarity of concatenated sequences of the four housekeeping genes from the new isolates and Streptococcus mutans was 89.7 %. DNA–DNA hybridization experiments suggested that the new isolates were distinct from S. criceti and other species of the genus Streptococcus . On the basis of genotypic and phenotypic differences, it is proposed that the novel isolates are classified in the genus Streptococcus as representatives of Streptococcus oriloxodontae sp. nov. The type strain of S. oriloxodontae is NUM 2101T ( = JCM 19285T = DSM 27377T).

Variimorphobacter saccharofermentans gen. nov., sp. nov., a new member of the family Lachnospiraceae, isolated from a maize-fed biogas fermenter

2021 ◽  
Vol 71 (11) ◽  
Author(s):  
Regina Rettenmaier ◽  
Nils Thieme ◽  
Johanna Streubel ◽  
Luca Di Bello ◽  
Marie-Louise Kowollik ◽  
...  
Keyword(s):  
Type Species ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Ph Values ◽  
Link Type ◽  
The Family ◽  
Optimum Ph ◽  
Methanogenic Fermentation

Strain MD1T is an anaerobic, Gram-stain-negative bacterium isolated from a lab-scale biogas fermenter fed with maize silage. It has a rod-shaped morphology with peritrichously arranged appendages and forms long chains of cells and coccoid structures. The colonies of MD1T were white, circular, slightly convex and had a smooth rim. The isolate is mesophilic, displaying growth between 25 and 45 °C with an optimum at 40 °C. It grew at pH values of pH 6.7–8.2 (optimum, pH 7.1) and tolerated the addition of up to 1.5% (w/v) NaCl to the medium. The main cellular fatty acids of MD1T are C14:0 DMA and C16:0. Strain MD1T fermented xylose, arabinose, glucose, galactose, cellobiose, maltose, maltodextrin10, lactose starch, and xylan, producing mainly 2-propanol and acetic acid. The genome of the organism has a total length of 4163427 bp with a G+C content of 38.5 mol%. The two closest relatives to MD1T are Mobilitalea sibirica P3M-3T and Anaerotaenia torta FH052T with 96.44 or 95.8 % 16S rRNA gene sequence similarity and POCP values of 46.58 and 50.58%, respectively. As MD1T showed saccharolytic and xylanolytic properties, it may play an important role in the biogas fermentation process. Closely related variants of MD1T were also abundant in microbial communities involved in methanogenic fermentation. Based on morphological, phylogenetic and genomic data, the isolated strain can be considered as representing a novel genus in the family Lachnospiraceae , for which the name Variimorphobacter saccharofermentans gen. nov., sp. nov. (type strain MD1T=DSM 110715T=JCM 39125T) is proposed.

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