scholarly journals Paenibacillus algicola sp. nov., a novel alginate lyase-producing marine bacterium

2020 ◽  
Vol 70 (9) ◽  
pp. 5087-5092 ◽  
Author(s):  
Jun Zhu ◽  
Kunlian Mo ◽  
Zhiguo Zheng ◽  
Zixu Wang ◽  
Yonghua Hu ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Type Strain ◽  
Alginate Lyase ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Pr China ◽  
Sequence Similarities

A Gram-stain-variable, facultatively anaerobic, endospore-forming, rod-shaped bacterium, designated HB172198T, was isolated from brown alga collected at Qishui Bay, Hainan, PR China. Phylogenetic analysis of 16S rRNA gene sequences indicated that strain HB172198T belonged to the genus Paenibacillus , and the closest phylogenetically related species was Paenibacillus lemnae NBRC 109972T (97.6% similarity). The other 16S rRNA gene sequence similarities were under 97.0%. The whole genome average nucleotide identity value between strain HB172198T and the closest type strain was 75.3% and the in silico DNA–DNA hybridization value was 20.2%. The predominant isoprenoid quinone was menaquinone 7 and the major fatty acids were anteiso-C15:0, C16:0, anteiso-C17:0, iso C16:0 and C16:1 ω11c. The combined phylogenetic relatedness, phenotypic and genotypic features supported the conclusion that strain HB172198T represents a novel species of the genus Paenibacillus , for which the name Paenibacillus algicola sp. nov. is proposed. The type strain is HB172198T (=CGMCC 1.13583T=JCM 32683T).

Bowmanella yangjiangensis sp. nov. and Amphritea pacifica sp. nov., isolated from mariculture fishponds in China

2021 ◽  
Vol 71 (8) ◽  
Author(s):  
Zhipeng Cai ◽  
Huibin Lu ◽  
Youfeng Qian ◽  
Letian Chen ◽  
Meiying Xu
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
Sequence Similarities

Four Gram-stain-negative, catalase- and oxidase-positive, rod-shaped and motile strains (Y26, Y57T, ZJ14WT and RP18W) were isolated from mariculture fishponds in PR China. Comparisons based on 16S rRNA gene sequences showed that strains Y26 and Y57T share 16S rRNA gene sequence similarities in the range of 95.1−98.5 % with species of the genus Bowmanella , and strains ZJ14WT and RP18W share 16S rRNA gene sequence similarities in the range of 96.7 −98.8 % with species of the genus Amphritea , respectively. The genome sizes of strains Y26, Y57T, ZJ14WT and RP18W were about 4.85, 5.40, 4.70 and 4.70 Mbp with 49.5, 51.7, 51.2 and 51.3 mol% G+C content, respectively. The calculated pairwise OrthoANIu values among strains Y26, Y57T and species of the genus Bowmanella were in the range of 72.6−83.1 %, but the value between strains Y26 and Y57T was 96.2 %. The pairwise OrthoANIu values among strains ZJ14WT, RP18W and other species of the genus Amphritea were all less than 93.9 %, but the value between strains ZJ14WT and RP18W was 99.3 %. Q-8 was the major respiratory quinone of strains Y26, Y57T, ZJ14WT and RP18W, and the major fatty acids of these strains were all C16 : 1 ω7c, C16 : 0 and C18 : 1 ω7c. The predominant polar lipids of strains Y26 and Y57T included phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and phosphatidylinositol, but strains ZJ14WT and RP18W only contained phosphatidylethanolamine and phosphatidylglycerol. Combining phenotypic, biochemical and genotypic characteristics, strains Y26 and Y57T should belong to the same species and represent a novel member of the genus Bowmanella , and strains ZJ14WT and RP18W should belong to the same species and represent a novel member of the genus Amphritea , for which the names Bowmanella yangjiangensis sp. nov. (type strain Y57T=GDMCC 1.2180T=KCTC 82439T) and Amphritea pacifica sp. nov. (type strain ZJ14WT=GDMCC 1.2203T=KCTC 82438T) are proposed.

Microbacterium chengjingii sp. nov. and Microbacterium fandaimingii sp. nov., isolated from bat faeces of Hipposideros and Rousettus species

2021 ◽  
Vol 71 (7) ◽  
Author(s):  
Juan Zhou ◽  
Yuyuan Huang ◽  
Jing Yang ◽  
Xin-He Lai ◽  
Dong Jin ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type ◽  
Pr China

Four aerobic, Gram-stain-positive, rod-shaped bacteria (HY60T, HY54, HY82T and HY89) were isolated from bat faeces of Hipposideros and Rousettus species collected in PR China. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the four novel strains formed two separate but adjacent subclades close to Microbacterium agarici CGMCC 1.12260T (97.6–97.7 % similarity), Microbacterium humi JCM 18706T (97.3–97.5 %) and Microbacterium lindanitolerans JCM 30493T (97.3–97.4 %). The 16S rRNA gene sequence similarity was 98.3 % between strains HY60T and HY82T, and identical within strain pairs HY60T/HY54 and HY82T/HY89. The DNA G+C contents of strains HY60T and HY82T were 61.9 and 63.3 mol%, respectively. The digital DNA–DNA hybridization and average nucleotide identity values between each novel strain and their closest relatives were all below the 70 % and 95–96 % thresholds for species delimitation, respectively. All four novel strains contained anteiso-C15 : 0, anteiso-C17 : 0, iso-C16 : 0 and iso-C15 : 0 as the main fatty acids, MK-11 and MK-12 as the major respiratory quinones, and diphosphatidylglycerol, phosphatidylglycerol and one unidentified glycolipid as the predominant polar lipids. The cell-wall peptidoglycan was of B type and contained alanine, glutamate, glycine and ornithine. The acyl type of the muramic acid was glycolyl. The whole-cell sugars were rhamnose and ribose. Based on the foregoing polyphasic analyses, it was concluded that the four uncharacterized strains represented two novel species of the genus Microbacterium , for which the names Microbacterium chengjingii sp. nov. [type strain HY60T (=CGMCC 1.17468T=GDMCC 1.1951T=KACC 22102T)] and Microbacterium fandaimingii sp. nov. [type strain HY82T (=CGMCC 1.17469T=GDMCC 1.1949T=KACC 22101T)] are proposed, respectively.

scholarly journals Hymenobacter sediminis sp. nov., isolated from lake sediment

2020 ◽  
Vol 70 (3) ◽  
pp. 1895-1902 ◽  
Author(s):  
Chong Wang ◽  
Bang-Tao Liu ◽  
Rui Zhang ◽  
Chun-Li Liu ◽  
Zong-Jun Du
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Lake Sediment ◽  
Type Species ◽  
Rrna Gene ◽  
16S Rrna Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Pr China ◽  
Sequence Similarities

A Gram-stain-negative, facultatively aerobic, rod-shaped, motile by gliding and pink-pigmented bacterial strain, designated ELS1360T, was isolated from a lake sediment sample collected in Inner Mongolia, PR China. Strain ELS1360T grew optimally at 33 °C, at pH 6.5–7.0 and without NaCl. Strain ELS1360T exhibited 97.3, 97.1 and 96.9 % 16S rRNA gene sequence similarities to Hymenobacter aquatilis HMF3095T, Hymenobacter luteus JCM 30328T and Hymenobacter latericoloratus JCM 30327T, respectively, and 90.4–96.9 % to other members of the genus Hymenobacter . Results of phylogenetic analysis based on 16S rRNA gene sequences showed that strain ELS1360T belonged to the genus Hymenobacter and clustered with H. luteus JCM 30328T and H. latericoloratus JCM 30327T. The predominant cellular fatty acids were iso-C15:0, summed feature 3 and C16:1ω5c. Strain ELS1360T contained MK-7 as the sole menaquinone. The major polar lipids contained phosphatidylethanolamine and two unidentified lipids. The genomic DNA G+C content of strain ELS1360T was 57.1 mol%. Based on the results of our phylogenetic, phenotypic, genotypic and chemotaxonomic analyses, it is concluded that strain ELS1360T represents a novel species within the genus Hymenobacter , for which the name Hymenobacter sediminis sp. nov. is proposed. The type strain is ELS1360T (=KCTC 62449T=MCCC 1H00319T).

Aliifodinibius roseus gen. nov., sp. nov., and Aliifodinibius sediminis sp. nov., two moderately halophilic bacteria isolated from salt mine samples

2013 ◽  
Vol 63 (Pt_8) ◽  
pp. 2907-2913 ◽  
Author(s):  
Yong-Xia Wang ◽  
Ji-Hui Liu ◽  
Wei Xiao ◽  
Xiao-Liang Ma ◽  
Yong-Hong Lai ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Type Strain ◽  
Western China ◽  
Rrna Gene ◽  
Content Type ◽  
Moderately Halophilic ◽  
Link Type

Two rod-shaped, non-motile bacteria were isolated from two separate salt mines in Yunnan, south-western China. These strains, designated YIM D15T and YIM J21T, were Gram-negative and moderately halophilic. The two strains required 6–10 % NaCl (w/v; optimal) for growth. The DNA G+C contents of strains YIM D15T and YIM J21T were 49.0 mol% and 48.4 mol%, respectively. The predominant isoprenoid quinone was MK-7. The polar lipid profiles of strains YIM D15T and YIM J21T were composed predominantly of diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, three unknown polar lipids and one glycolipid. Minor amounts of other lipids were also detectable. The predominant cellular fatty acids were iso-C15 : 0, anteiso-C15 : 0, iso-C17 : 1ω9c/10 methyl-C16 : 0 and C16 : 1ω7c/C16 : 1ω6c. Phylogenetic analysis based on 16S rRNA gene sequence comparisons showed that the two isolates formed a distinct clade with the genus Fodinibius (in the phylum Bacteroidetes ) and were related to the species Fodinibius salinus , with sequence similarities of 91.9–92.4 %. Analyses of 16S rRNA gene sequences revealed that strains YIM D15T and YIM J21T were related to each other (97.3 % sequence similarity). The DNA–DNA hybridization relatedness between the two isolates was 34 %. On the basis of the phylogenetic analysis, DNA–DNA hybridization relatedness, phenotypic and chemotaxonomic characteristics, strains YIM D15T and YIM J21T should be classified as members of a novel genus and as two novel species, for which the names Aliifodinibius roseus gen. nov., sp. nov. (type strain YIM D15T = ACCC 10715T = KCTC 23442T) and Aliifodinibius sediminis sp. nov. (type strain YIM J21T = ACCC 10714T = DSM 21194T) are proposed.

scholarly journals Duganella albus sp. nov., Duganella aquatilis sp. nov., Duganella pernnla sp. nov. and Duganella levis sp. nov., isolated from subtropical streams in China

2020 ◽  
Vol 70 (6) ◽  
pp. 3801-3808 ◽  
Author(s):  
Huibin Lu ◽  
Tongchu Deng ◽  
Feifei Liu ◽  
Yonghong Wang ◽  
Xunan Yang ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
Sequence Similarities

Six Gram-stain-negative, catalase- and oxidase-positive, rod-shaped and motile strains (FT9WT, FT25W, FT26WT, FT109WT, FT134W and CY42WT) were isolated from subtropical streams in China. Comparisons based on 16S rRNA gene sequences showed that the six strains shared similarities of less than 98.1 % with other species within the family Oxalobacteraceae and formed two separately distinct clades in phylogenetic trees. The 16S rRNA gene sequence similarities between strains FT9WT and FT25W, and between strains FT109WT and FT134W were both 99.7 %. The genome sizes of strains FT9WT, FT25W, FT26WT, FT109WT, FT134W and CY42WT were 6.45, 6.45, 6.54, 6.43, 6.52 and 6.74 Mbp with G+C contents of 64.0, 64.0, 63.8, 63.2, 63.2 and 62.5 %, respectively. The calculated pairwise average nucleotide (ANI) values among the six strains and other related species were less than 93.9 %, except that the values were 99.9 % between strains FT9WT and FT25W, 98.2 % between strains FT109WT and FT134W, and 95.0 and 95.1 % between strain FT26WT and strains FT9WT and FT25W, respectively. However, strain FT26WT shared 16S rRNA gene sequence similarities of only 98.3 and 98.2 % with FT9WT and FT25W, respectively. The respiratory quinone of the six strains was determined to be Q-8. The major fatty acids were C16 : 1 ω7c, C16 : 0 and C12 : 0. The predominant polar lipids included phosphatidylethanolamine and phosphatidylglycerol. Considering the phenotypic, biochemical, genotypic and ANI data, strains FT9WT and FT25W, and FT109WT and FT134W may belong to the same species, respectively. Although the pairwise ANI values between strain FT26WT and each of strains FT9WT and FT25W were located in the transition region of species demarcation, the dissimilarities among them indicated that strain FT26WT could represent an independent novel species. The reconstructed phylogenomic tree based on a concatenation of 92 core genes showed that the six strains clustered closely with Duganella sacchari Sac-22T and Duganella radicis KCTC 22382T, and supported that these six strains belong to the genus Duganella . The names Duganella albus sp. nov. (type strain FT9WT=GDMCC 1.1637T=KACC 21313T), Duganella aquatilis sp. nov. (type strain FT26WT=GDMCC 1.1641T=KACC 21315T), Duganella pernnla sp. nov. (type strain FT109WT=GDMCC 1.1688T=KACC 21480T) and Duganella levis sp. nov. (type strain CY42WT=GDMCC 1.1673T=KACC 21465T) are proposed.

scholarly journals Flavobacterium restrictum sp. nov., Flavobacterium rhamnosiphilum sp. nov., and Flavobacterium zepuense sp. nov. isolated from glaciers

2020 ◽  
Vol 70 (8) ◽  
pp. 4583-4590 ◽  
Author(s):  
Guo-Qing Zhang ◽  
Lei-Lei Yang ◽  
Qing Liu ◽  
Hong-Can Liu ◽  
Yu-Guang Zhou ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Dna Hybridization ◽  
Type Strain ◽  
Rrna Gene ◽  
The Tibetan Plateau ◽  
Content Type ◽  
Pr China ◽  
The 16S Rrna Gene

Three strains, designated as LB1R34T, LB3P52T and ZT4R6T, were isolated from glaciers located on the Tibetan Plateau, PR China. The strains were Gram-stain-negative, aerobic, rod-shaped, non-motile and yellow. Phylogenetic analysis based on the 16S rRNA gene and genomic sequences indicated that they were related to the members of the genus Flavobacterium . The 16S rRNA gene sequences similarities between the three strains were 92.31–96.93 %. The average nucleotide identity values and digital DNA–DNA hybridization values between these three strains and their closest relatives were 76.80–91.33 % and 21.3–44.2 %, respectively. LB1R34T, LB3P52T and ZT4R6T contained MK-6 as the major menaquinone, summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c) and iso-C15 : 0 as the major fatty acids. Phosphatidylethanolamine was present in their polar lipids profiles. On the basis of the phenotypic characteristics, he results of phylogenetic analysis and genotypic data, three novel species, Flavobacterium restrictum sp. nov. (type strain=LB1 R34T=CGMCC 1.11493T=NBRC 113650T), Flavobacterium rhamnosiphilum sp. nov. (type strain=LB3 P52T=CGMCC 1.11446T=NBRC 113776T) and Flavobacterium zepuense sp. nov. (type strain=ZT4 R6T=CGMCC 1.11919T=NBRC 113653T) are proposed.

scholarly journals Rugamonas aquatica sp. nov. and Rugamonas rivuli sp. nov., isolated from a subtropical stream in PR China

2020 ◽  
Vol 70 (5) ◽  
pp. 3328-3334 ◽  
Author(s):  
Huibin Lu ◽  
Tongchu Deng ◽  
Feifei Liu ◽  
Yonghong Wang ◽  
Meiying Xu
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Rrna Gene ◽  
Unidentified Phospholipid ◽  
Content Type ◽  
Link Type ◽  
Pr China ◽  
Subtropical Stream

Two Gram-stain-negative, catalase- and oxidase-positive, rod-shaped, motile strains (FT29WT and FT103WT) were isolated from a subtropical stream in PR China. Comparisons based on 16S rRNA gene sequences showed that strains FT29WT and FT103WT showed 98.7 and 98.6 % 16S rRNA gene sequence similarities to Rugamonas rubra CCM 3730T as their closest neighbour, respectively. The calculated pairwise OrthoANIu values between strain R. rubra CCM 3730T and strains FT29WT and FT103WT were all 81.4 %. The respiratory quinone of strains FT29WT and FT103WT was determined to be Q-8. The major fatty acids were C16 : 1 ω7c, C16 : 0 and C12 : 0. The polar lipids of strain FT103WT included phosphatidylethanolamine, phosphatidylglycerol and one unidentified phospholipid, but strain FT29WT did not contain phosphatidylglycerol. The genome sizes of strains FT29WT and FT103WT were 7.23 and 6.84 Mbp with G+C contents of 63.8 and 63.9 %, respectively. Although the pairwise OrthoANIu value between strains FT29WT and FT103WT was 95.2 % which located in the transition region of species demarcation, the dissimilarities in the aspects of phenotypic, biochemical and genotypic characteristics supported these two strains should belong to the different species within genus Rugamonas , for which the names Rugamonas aquatica sp. nov. (type strain FT29WT=GDMCC 1.1643T=KACC 21316T) and Rugamonas rivuli sp. nov. (type strain FT103WT=GDMCC 1.1685T=KACC 21477T) are proposed.

scholarly journals Luteimonas cucumeris sp. nov., isolated a from cucumber leaf

2012 ◽  
Vol 62 (Pt_12) ◽  
pp. 2916-2920 ◽  
Author(s):  
Zhan-Bin Sun ◽  
Hui Zhang ◽  
Xing-Fang Yuan ◽  
Yin-Xian Wang ◽  
Dong-Mei Feng ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Type Species ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
16S Rrna Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Pr China

A Gram-negative, aerobic and non-motile rod, designated Y4T, was isolated from a cucumber leaf from Pinggu District, east Beijing, PR China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain Y4T was most closely related to Luteimonas aquatica RIB1-20T (96.7 % 16S rRNA gene sequence similarity). DNA–DNA relatedness between strain Y4T and L. aquatica RIB1-20T was 42.5±3.9 %. The predominant fatty acids were iso-C15 : 0, iso-C17 : 1ω9c, iso-C16 : 0 and iso-C17 : 0. The major ubiquinone was Q-8. The DNA G+C content of the type strain was 69.9 mol%. Based on the evidence above, strain Y4T represents a novel species of the genus Luteimonas , for which the name Luteimonas cucumeris sp. nov. is proposed. The type strain is Y4T ( = CGMCC 1.10821T = KCTC 23627T).

scholarly journals Paenibacillus shenyangensis sp. nov., a bioflocculant-producing species isolated from soil under a peach tree

2015 ◽  
Vol 65 (Pt_1) ◽  
pp. 220-224 ◽  
Author(s):  
Binhui Jiang ◽  
Xin Zhao ◽  
Jinliang Liu ◽  
Lili Fu ◽  
Chengcheng Yang ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Peach Tree ◽  
Content Type ◽  
Link Type ◽  
Pr China ◽  
Bacterium Strain

A Gram-stain-positive, aerobic or facultatively anaerobic, rod-shaped, non-motile, endospore-forming bacterium, strain A9T, was isolated in 1996 from a soil sample collected under a peach tree in Qingnian Park in Shenyang, PR China, and its taxonomic position was investigated using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences showed that the strain belonged to the genus Paenibacillus , and was most closely related to the type strain of Paenibacillus hunanensis with a 16S rRNA gene sequence similarity of 96.7 % and a DNA–DNA relatedness value of 51.6 %. The major polar lipids of strain A9T were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The predominant menaquinone was MK-7 and the major cellular fatty acids were anteiso-C15 : 0, C16 : 0 and iso-C15 : 0. The DNA G+C content was 51.9 mol%. Based on these results, it is concluded that strain A9T represents a novel species of the genus Paenibacillus , for which the name Paenibacillus shenyangensis sp. nov. is proposed, with A9T ( = JCM 19307T = CGMCC 2040T) as the type strain.

scholarly journals Pseudoseohaeicola caenipelagi gen. nov., sp. nov., isolated from a tidal flat

2015 ◽  
Vol 65 (Pt_6) ◽  
pp. 1819-1824 ◽  
Author(s):  
Sooyeon Park ◽  
Ji-Min Park ◽  
Chul-Hyung Kang ◽  
Song-Gun Kim ◽  
Jung-Hoon Yoon
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
Type Strain ◽  
Type Species ◽  
Phylogenetic Trees ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Content Type ◽  
Link Type

A Gram-stain-negative, non-motile, aerobic and pleomorphic bacterium, designated BS-W13T, was isolated from a tidal flat on the South Sea, South Korea, and its taxonomic position was investigated using a polyphasic approach. Strain BS-W13T grew optimally at 25 °C, at pH 7.0–8.0 and in the presence of 1.0–2.0 % (w/v) NaCl. Neighbour-joining and maximum-parsimony phylogenetic trees based on 16S rRNA gene sequences showed that strain BS-W13T clustered with the type strain of Seohaeicola saemankumensis , showing the highest sequence similarity (95.96 %) to this strain. Strain BS-W13T exhibited 16S rRNA gene sequence similarity values of 95.95, 95.91, 95.72 and 95.68 % to the type strains of Sulfitobacter donghicola , Sulfitobacter porphyrae , Sulfitobacter mediterraneus and Roseobacter litoralis , respectively. Strain BS-W13T contained Q-10 as the predominant ubiquinone and C18 : 1ω7c as the major fatty acid. The polar lipid profile of strain BS-W13T, containing phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, one unidentified aminolipid and one unidentified lipid as major components, was distinguishable from those of some phylogenetically related taxa. The DNA G+C content of strain BS-W13T was 58.1 mol%. The phylogenetic data and differential chemotaxonomic and other phenotypic properties revealed that strain BS-W13T constitutes a novel genus and species within family Rhodobacteraceae of the class Alphaproteobacteria , for which the name Pseudoseohaeicola caenipelagi gen. nov., sp. nov. is proposed. The type strain is BS-W13T ( = KCTC 42349T = CECT 8724T).

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