scholarly journals Undibacterium pigrum gen. nov., sp. nov., isolated from drinking water

2007 ◽  
Vol 57 (7) ◽  
pp. 1510-1515 ◽  
Author(s):  
Peter Kämpfer ◽  
Ramon Rosselló-Mora ◽  
Malte Hermansson ◽  
Frank Persson ◽  
Birgit Huber ◽  
...  
Keyword(s):  
Drinking Water ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Separate Branch ◽  
Sequence Similarities

Two Gram-negative, rod-shaped, oxidase-positive, non-spore-forming, non-motile bacteria (strains CCUG 49009T and CCUG 49012), both isolated from drinking water, were characterized. On the basis of chemotaxonomic data [major ubiquinone, Q-8; predominant polyamines, putrescine and 2-hydroxyputrescine; major polar lipids, phosphatidylethanolamine, moderate amounts of diphosphatidylglycerol and phosphatidylglycerol and minor amounts of three aminolipids and phosphatidylserine; major fatty acids, C16 : 0 and summed feature 3 (C16 : 1 ω7c/C15 : 0 iso 2-OH)] and 16S rRNA gene sequence similarities, both strains clearly belong to the family Oxalobacteraceae of the Betaproteobacteria. 16S rRNA gene sequence similarities with members of the most closely related genera of this group (Herminiimonas, Massilia, Duganella, Telluria, Herbaspirillum, Janthinobacterium, Naxibacter and Paucimonas) were less than 96.5 % for both strains. The two strains also shared a relatively low 16S rRNA gene sequence similarity (96.8 %). Although phylogenetic analysis based on 16S rRNA gene sequence similarities clearly showed that the two organisms formed a separate branch, their phenotypes (including chemotaxonomic features) were hardly distinguishable and showed high similarities to those reported for the most closely related genera. On the basis of DNA–DNA hybridization results, the two strains were shown to represent separate species (sharing only 20 % DNA–DNA relatedness), but they could not be clearly differentiated phenotypically from each other. It is evident that these organisms represent a new genus, Undibacterium gen. nov., with one species, Undibacterium pigrum sp. nov. The type strain of Undibacterium pigrum is strain CCUG 49009T (=CIP 109318T). Strain CCUG 49012 (=CIP 108976) probably represents a second species of this genus, but is described here as a second genomovar of this species because of the lack of differentiating characters.

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 Solirubrobacter ginsenosidimutans sp. nov., isolated from soil of a ginseng field

2011 ◽  
Vol 61 (11) ◽  
pp. 2606-2609 ◽  
Author(s):  
Dong-Shan An ◽  
Liang Wang ◽  
Minseok S. Kim ◽  
Heon-Meen Bae ◽  
Sung-Taik Lee ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Active Components ◽  
Gene Sequence Analysis ◽  
Sequence Similarities

A Gram-reaction-positive, non-motile, non-spore-forming, aerobic rod, designated BXN5-15T, was isolated from the soil of a ginseng field on Baekdu Mountain in China. Strain BXN5-15T grew optimally at 30 °C and pH 6.0–7.0 in the absence of NaCl on R2A agar. Strain BXN5-15T displayed β-glucosidase activity, which allowed it to transform ginsenoside Rb1 (one of the dominant active components of ginseng) via Rd to minor ginsenoside F2. On the basis of 16S rRNA gene sequence analysis, strain BXN5-15T was shown to belong to the genus Solirubrobacter. The closest phylogenetic relatives were Solirubrobacter soli Gsoil 355T (98.4 % 16S rRNA gene sequence similarity) and Solirubrobacter pauli B33D1T (96.4 %). Lower sequence similarities (<96.0 %) were found with all of the other recognized members of the order Solirubrobacterales. The predominant quinone was MK-7(H4). The major fatty acids (>10 %) were C18 : 1ω9c, iso-C16 : 0 and C18 : 3ω6,9,12c. The G+C content of the genomic DNA was 70.6 mol%. DNA−DNA relatedness between strain BXN5-15T and S. soli KCTC 12628T was 23.3 %. On the basis of genotypic, phenotypic and chemotaxonomic data, strain BXN5-15T represents a novel species within the genus Solirubrobacter, for which the name Solirubrobacter ginsenosidimutans sp. nov. is proposed. The type strain is BXN5-15T ( = KACC 20671T  = LMG 24459T).

Kaistia geumhonensis sp. nov. and Kaistia dalseonensis sp. nov., two members of the class Alphaproteobacteria

2011 ◽  
Vol 61 (11) ◽  
pp. 2577-2581 ◽  
Author(s):  
Long Jin ◽  
Kwang Kyu Kim ◽  
Sang-Hoon Baek ◽  
Sung-Taik Lee
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Novel Species ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Gene Sequence Analysis ◽  
Sequence Similarities

Two strains, designated B1-1T and B6-8T, were isolated from the Geumho River and the Dalseo Stream in Korea. Comparative 16S rRNA gene sequence analysis showed a clear affiliation of these two bacteria with the class Alphaproteobacteria, their closest relatives being Kaistia adipata KCTC 12095T, Kaistia granuli KCTC 12575T, Kaistia soli KACC 12605T and Kaistia terrae KACC 12910T with 16S rRNA gene sequence similarities of 95.3 –97.7 % to the two novel strains. Strains B1-1T and B6-8T shared a 16S rRNA gene sequence similarity value of 96.1 %. Cells of the two strains were Gram-reaction-negative, aerobic, non-motile, short rods or cocci. The predominant ubiquinone was Q-10. The major fatty acids were C16 : 0, C18 : 1ω7c, C18 : 0 and C19 : 0ω8c cyclo for strain B1-1T and C16 : 0, C18 : 1ω7c, C18 : 0, C18 : 1 2-OH, and C19 : 0ω8c cyclo for strain B6-8T. The G+C contents of the genomic DNA of the strains B1-1T and B6-8T were 61.6 and 66.5 mol%, respectively. Based on the results of this polyphasic study, strains B1-1T ( = KCTC 12849T  = DSM 18799T) and B6-8T ( = KCTC 12850T  = DSM 18800T) represent two novel species of the genus Kaistia, for which the names Kaistia geumhonensis sp. nov. and Kaistia dalseonensis sp. nov. are proposed, respectively.

scholarly journals Sporosarcina contaminans sp. nov. and Sporosarcina thermotolerans sp. nov., two endospore-forming species

2010 ◽  
Vol 60 (6) ◽  
pp. 1353-1357 ◽  
Author(s):  
P. Kämpfer ◽  
E. Falsen ◽  
N. Lodders ◽  
P. Schumann
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Human Blood Sample ◽  
Type Strains ◽  
Sequence Similarities

The taxonomic positions of two Gram-positive, endospore-forming rods, strains CCUG 53915T and CCUG 53480T, isolated from an industrial clean-room floor and from a human blood sample, respectively, were studied. 16S rRNA gene sequence similarity studies revealed that both isolates clearly clustered with Sporosarcina species. Strain CCUG 53915T was most closely related to Sporosarcina koreensis and Sporosarcina soli, showing 99.4 and 99.2 % 16S rRNA gene sequence similarities to the type strains of these species, respectively. Strain CCUG 53480T showed the highest 16S rRNA gene sequence similarities to the type strains of S. koreensis (98.7 %) and Sporosarcina saromensis (98.6 %). Strains CCUG 53915T and CCUG 53480T had peptidoglycan type A4α l-Lys–d-Glu. The quinone systems of both strains were composed predominantly of menaquinone MK-7, with small amounts of MK-8. The polar lipid profiles of both strains consisted of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and three unidentified phospholipids. The fatty acid profiles, which comprise anteiso- and iso-branched fatty acids, supported affiliation of the two isolates to the genus Sporosarcina. The results of physiological and biochemical tests and DNA–DNA hybridization data allowed a clear phenotypic and genotypic differentiation of both strains from the most closely related Sporosarcina species. For this reason, it is proposed that strains CCUG 53915T (=DSM 22204T) and CCUG 53480T (=DSM 22203T) represent two novel species in the genus Sporosarcina, with the names Sporosarcina contaminans sp. nov. and Sporosarcina thermotolerans sp. nov., respectively.

scholarly journals Sneathiella chinensis gen. nov., sp. nov., a novel marine alphaproteobacterium isolated from coastal sediment in Qingdao, China

2007 ◽  
Vol 57 (1) ◽  
pp. 114-121 ◽  
Author(s):  
Elizabeth Mary Jordan ◽  
Fabiano L. Thompson ◽  
Xiao-Hua Zhang ◽  
Yun Li ◽  
Marc Vancanneyt ◽  
...  
Keyword(s):  
Fatty Acids ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
Coastal Sediment ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Separate Branch

The taxonomic position of strain LMG 23452T, which was isolated from coastal sediment from an aquaculture site near Qingdao, China, in 2000, was determined. Strain LMG 23452T comprised Gram-negative, non-spore-forming, motile rods and was found to be a halotolerant, aerobic, chemoheterotroph that produces catalase and oxidase. Comparative 16S rRNA gene sequence analysis revealed that strain LMG 23452T shared approximately 89 % sequence similarity with members of the genera Devosia, Hyphomonas, Ensifer and Chelatococcus, which belong to two different orders within the Alphaproteobacteria. Further phylogenetic analysis of the 16S rRNA gene sequence showed that strain LMG 23452T formed a separate branch within the order Rhizobiales, falling between the genera Devosia and Ensifer of the families Hyphomicrobiaceae and Rhizobiaceae, respectively. Strain LMG 23452T could be differentiated from its closest phylogenetic neighbours on the basis of several phenotypic features, including hydrolysis of the substrates starch and casein and assimilation of the carbohydrates d-glucose, d-mannose, mannitol, maltose and l-arabinose, and chemotaxonomically by the presence of the fatty acids C14 : 0 3-OH, C16 : 1 ω11c, C16 : 1 ω5c and C18 : 1 ω5c. The major fatty acids detected in strain LMG 23452T were C18 : 1 ω7c, C16 : 0, C19 : 0 cyclo ω8c, C16 : 1 ω7c and C17 : 1 ω6c and the G+C content of the genomic DNA was 57.1 mol%. Therefore, the polyphasic data support the placement of strain LMG 23452T within a novel genus and species, for which the name Sneathiella chinensis gen. nov., sp. nov. is proposed. The type strain is LMG 23452T (=CBMAI 737T).

scholarly journals Lysobacter korlensis sp. nov. and Lysobacter bugurensis sp. nov., isolated from soil

2011 ◽  
Vol 61 (9) ◽  
pp. 2259-2265 ◽  
Author(s):  
Lei Zhang ◽  
Juan Bai ◽  
Yang Wang ◽  
Gao-Lin Wu ◽  
Jun Dai ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Phylogenetic Position ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Bacterial Strains ◽  
Sequence Similarities

Two Gram-reaction-negative, rod-shaped, gliding, yellow-pigmented bacterial strains, designated ZLD-17T and ZLD-29T, were isolated from arid soil samples collected from Xinjiang Province, north-west China, and subjected to analysis using a polyphasic taxonomic approach. Both novel strains required 1.0–2.0 % (w/v) sea salts for optimal growth. Phylogenetic analysis based on 16S rRNA gene sequences indicated that these two strains belong to the genus Lysobacter within the class Gammaproteobacteria. Strain ZLD-17T showed highest 16S rRNA gene sequence similarities to Lysobacter capsici KCTC 22007T (96.9 %), Lysobacter spongiicola DSM 21749T (96.8 %) and Lysobacter koreensis KCTC 12204T (96.8 %), whereas strain ZLD-29T showed highest sequence similarities to Lysobacter niastensis DSM 18481T (96.0 %) and Lysobacter enzymogenes DSM 2043T (95.9 %). 16S rRNA gene sequence similarity between ZLD-17T and ZLD-29T was 96.1 %. The DNA G+C contents of strains ZLD-17T and ZLD-29T were 67.9 and 68.2 mol%, respectively. The major cellular fatty acids of both strains were summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1ω7c), iso-C17 : 1ω9c, iso-C16 : 0, C16 : 0 and iso-C11 : 0 3-OH; their predominant isoprenoid quinone was Q-8 and their major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylglycerol. Based on their phenotypic characteristics, phylogenetic position as determined by 16S rRNA gene sequence analysis and chemotaxonomic data, strains ZLD-17T ( = CCTCC AB 207174T  = KCTC 23076T) and ZLD-29T ( = CCTCC AB 207175T = KCTC 23077T) represent two novel species of the genus Lysobacter, for which the names Lysobacter korlensis sp. nov. and Lysobacter bugurensis sp. nov. are proposed, respectively.

scholarly journals Recommended minimal standards for description of new taxa of the genera Bifidobacterium, Lactobacillus and related genera

2014 ◽  
Vol 64 (Pt_4) ◽  
pp. 1434-1451 ◽  
Author(s):  
Paola Mattarelli ◽  
Wilhelm Holzapfel ◽  
Charles M. A. P. Franz ◽  
Akihito Endo ◽  
Giovanna E. Felis ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
Sequence Similarities

Minimal standards for the description of new cultivable strains that represent novel genera and species belonging to the genera Bifidobacterium , Lactobacillus and related genera are proposed in accordance with Recommendation 30b of the Bacteriological Code (1990 Revision): the description of novel species should be based on phenotypic, genotypic and ecological characteristics to ensure a rich polyphasic characterization. Concerning genotypic characterization, in addition to DNA G+C content (mol%) data, the description should be based on DNA–DNA hybridization (DDH), 16S rRNA gene sequence similarities and at least two housekeeping gene (e.g. hsp60 and recA) sequence similarities. DDH might not be needed if the 16S rRNA gene sequence similarity to the closest known species is lower than 97 %. This proposal has been endorsed by members of the Subcommittee on the Taxonomy of Bifidobacterium , Lactobacillus and related organisms of the International Committee on the Systematics of Prokaryotes.

scholarly journals Rhodanobacter ginsengisoli sp. nov. and Rhodanobacter terrae sp. nov., isolated from soil cultivated with Korean ginseng

2007 ◽  
Vol 57 (12) ◽  
pp. 2810-2813 ◽  
Author(s):  
Hang-Yeon Weon ◽  
Byung-Yong Kim ◽  
Seung-Beom Hong ◽  
Young-Ah Jeon ◽  
Soon-Wo Kwon ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Strain ◽  
Gene Sequence ◽  
Sequence Similarity ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Type Strains ◽  
Sequence Similarities

Two bacterial isolates from ginseng fields in Korea, strains GR17-7T and GP18-1T, were characterized using a polyphasic approach. Phylogenetic analysis of their 16S rRNA gene sequences revealed a clear affiliation with the Gammaproteobacteria, and showed that the closest phylogenetic relationships were with members of the genus Rhodanobacter. The 16S rRNA gene sequence similarity between strains GR17-7T and GP18-1T was 97.2 %. Both strains showed 16S rRNA gene sequence similarities of 95.2–96.9 % to type strains of recognized Rhodanobacter species. The G+C contents of the DNA of strains GR17-7T and GP18-1T were 61.0 and 62.5 mol%, respectively. According to the DNA–DNA hydridization tests, the hybridization value between strains GR17-7T and GP18-1T was 34 %. Strains GR17-7T and GP18-1T showed less than 32 % DNA–DNA relatedness with Rhodanobacter fulvus KCTC 12098T and Rhodanobacter spathiphylli LMG 23181T. Strains GR17-7T and GP18-1T were aerobic, Gram-negative, rod-shaped, and catalase- and oxidase-positive. Major fatty acids of both strains were iso-C17 : 1 ω9c and iso-C16 : 0. Based on the data presented, two novel Rhodanobacter species are proposed, with the names Rhodanobacter ginsengisoli sp. nov. (type strain GR17-7T=KACC 11762T=DSM 18993T) and Rhodanobacter terrae sp. nov. (type strain GP18-1T=KACC 11761T=DSM 19241T).

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.

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