scholarly journals Leeuwenhoekiella polynyae sp. nov., isolated from a polynya in western Antarctica

2015 ◽  
Vol 65 (Pt_5) ◽  
pp. 1694-1699 ◽  
Author(s):  
Ok-Ja Si ◽  
So-Jeong Kim ◽  
Man-Young Jung ◽  
Seon-Bin Choi ◽  
Jong-Geol Kim ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A Gram-stain-negative, motile by gliding, rod-shaped bacterial strain, designated SOJ2014-1T was isolated from surface water of a polynya in the Antarctic Ocean. A comparative 16S rRNA gene sequence analysis showed that strain SOJ2014-1T belongs to the genus Leeuwenhoekiella and is most closely related to Leeuwenhoekiella marinoflava DSM 3653T (97.5 % 16S rRNA gene sequence similarity). The G+C content of the genomic DNA of strain SOJ2014-1T was 38.8 mol%. Its predominant cellular fatty acids were summed feature 3 (composed of C16 : 1ω6c and/or C16 : 1ω7c), iso-C17 : 0 3-OH, iso-C15 : 0, iso-C15 : 1 G and summed feature 9 (composed of iso-C17 : 1ω9c and/or 10-methyl C16 : 0). DNA–DNA relatedness between strain SOJ2014-1T and close relatives, L. marinoflava DSM 3653T and Leeuwenhoekiella aequorea LMG 22550T, was below 49 %. The respiratory quinone was MK-6. The major polar lipids were phosphatidylethanolamine, an unidentified aminolipid and two unidentified lipids. The strain grew at 0–35 °C (optimum, 25 °C) with 0–14.0 % (w/v) NaCl (optimum, 1.0–5.0 %). It was strictly aerobic and had different carbohydrate utilization traits compared with L. marinoflava DSM 3653T. Based on the phenotypic, chemotaxonomic and phylogenetic analyses, strain SOJ2014-1T is proposed as a representative of a novel species, Leeuwenhoekiella polynyae. The type strain is SOJ2014-1T ( = KCTC 42185T = JCM 30387T).

scholarly journals Sphingomonas starnbergensis sp. nov., isolated from a prealpine freshwater lake

2013 ◽  
Vol 63 (Pt_3) ◽  
pp. 1017-1023 ◽  
Author(s):  
Hong Chen ◽  
Mareike Jogler ◽  
Brian J. Tindall ◽  
Hans-Peter Klenk ◽  
Manfred Rohde ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A novel type of freshwater bacterium was isolated from the prealpine mesotrophic Starnberger See (Bavaria, southern Germany). Cells of strain 382T were Gram-negative and rod-shaped, motile and creamy-white. The isolate was strictly aerobic, catalase- and oxidase-positive, and grew at pH values of 6–9 (optimum, pH 7) and temperatures of 10–37 °C (optimum, 28 °C). The genomic G+C content of strain 382T was 64.1 mol%. Based on 16S rRNA gene sequence analyses, strain 382T belongs to the family Sphingomonadaceae and clusters within the genus Sphingomonas . Sphingomonas histidinilytica UM 2T and Sphingomonas wittichii DSM 6014T were the closest relatives, as indicated by the highest 16S rRNA gene sequence similarities (97.1 % and 96.8 %, respectively). Sphingomonas paucimobilis DSM 1098T (the type species of the genus Sphingomonas ) exhibited 95.3 % sequence similarity. This affiliation of strain 382T to the genus Sphingomonas is confirmed by the presence of Q-10 as the major respiratory quinone, two sphingoglycolipids, C14 : 0 2-OH as the major 2-hydroxy fatty acid and sym-homospermidine as the major polyamine. The main cellular fatty acids of strain 382T were C18 : 1ω7c (39 %), C16 : 1ω7c (21 %), C16 : 0 (10 %) and C14 : 0 2-OH (10 %). Based on the phylogenetic distance from other species of the genus Sphingomonas and its unusually high C16 : 1ω7c content, strain 382T represents a novel species of the genus Sphingomonas , for which the name Sphingomonas starnbergensis is proposed. The type strain is 382T ( = DSM 25077T  = LMG 26763T).

scholarly journals Pseudoalteromonas arabiensis sp. nov., a marine polysaccharide-producing bacterium

2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1805-1809 ◽  
Author(s):  
Hidetoshi Matsuyama ◽  
Hideki Minami ◽  
Hirokazu Kasahara ◽  
Yoshihisa Kato ◽  
Masafumi Murayama ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A novel exopolysaccharide-producing bacterium, designated strain k53T, was isolated from sediment from the Arabia Sea, Indian Ocean. The strain was Gram-negative, motile, strictly aerobic, oxidase-positive and catalase-positive, and required Na+ for growth. Its major isoprenoid quinone was ubiquinone-8 (Q-8), and its cellular fatty acid profile mainly consisted of C16 : 1ω7c, C16 : 0 and C18 : 1ω7c. The DNA G+C content was 43 mol%. 16S rRNA gene sequence analysis suggested that strain k53T is a member of the genus Pseudoalteromonas . Strain k53T exhibited close phylogenetic affinity to Pseudoalteromonas lipolytica LMEB 39T (98.0% 16S rRNA gene sequence similarity) and Pseudoalteromonas donghaensis HJ51T (97.3 %).The DNA–DNA reassociation values between strain k53T and P. lipolytica JCM 15903T and P. donghaensis LMG 24469T were 17 % and 12 %, respectively. Owing to the significant differences in phenotypic and chemotaxonomic characteristics, and phylogenetic analysis based on the 16S rRNA gene sequence and DNA–DNA relatedness data, the isolate merits classification as a representative of a novel species, for which the name Pseudoalteromonas arabiensis is proposed. The type strain of this species is k53T ( = JCM 17292T = NCIMB 14688T).

Chryseobacterium gwangjuense sp. nov., isolated from soil

2013 ◽  
Vol 63 (Pt_12) ◽  
pp. 4580-4585 ◽  
Author(s):  
Yong Jin Park ◽  
Heung-Min Son ◽  
Eun-Hee Lee ◽  
Ju Han Kim ◽  
Gafurjon T. Mavlonov ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A Gram-stain-negative, strictly aerobic, non-motile, rod-shaped bacterial strain, THG-A18T, was isolated from soil of Gwangju province in South Korea. Strain THG-A18T grew optimally at 25–30 °C, at pH 7.0–8.0 and in the absence of NaCl. Strain THG-A18T displayed β-glucosidase activity, which enabled it to convert ginsenoside Rb1 to Rd. According to 16S rRNA gene sequence analysis, strain THG-A18T was shown to belong to the genus Chryseobacterium . The closest phylogenetic neighbours were Chryseobacterium ginsenosidimutans THG 15T (97.9 % 16S rRNA gene sequence similariity), C. defluvii B2T (97.7 %), C. daeguense K105T (97.6 %), C. taiwanense BCRC 17412T (97.5 %), C. indoltheticum LMG 4025T (97.4 %), C. gregarium P 461/12T (97.4 %) and C. lathyri RBA2-6T (97.3 %), but DNA–DNA relatedness values between these strains and strain THG-A18T were below 41.9 %. The G+C content of the genomic DNA was 36.4 mol%. The major respiratory quinone (MK-6) and fatty acids [iso-C15 : 0, iso-C17 : 0 3-OH, summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c) and summed feature 9 (comprising iso-C17 : 1ω9c and/or 10-methyl C16 : 0)] supported the affiliation of strain THG-A18T with the genus Chryseobacterium . The polar lipids of strain THG-A18T were phosphatidylethanolamine, four unidentified aminolipids and seven unidentified lipids. A number of physiological and biochemical tests allowed phenotypic differentiation of strain THG-A18T from recognized species of the genus Chryseobacterium . The name Chryseobacterium gwangjuense sp. nov. is proposed, with THG-A18T ( = KACC 16227T = LMG 26579T) as the type strain.

Pseudoalteromonas shioyasakiensis sp. nov., a marine polysaccharide-producing bacterium

2014 ◽  
Vol 64 (Pt_1) ◽  
pp. 101-106 ◽  
Author(s):  
Hidetoshi Matsuyama ◽  
Kazuya Sawazaki ◽  
Hideki Minami ◽  
Hirokazu Kasahara ◽  
Keiji Horikawa ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A novel exopolysaccharide-producing bacterium, designated strain SE3T, was isolated from Pacific Ocean sediment. The strain was Gram-stain-negative, motile, strictly aerobic, oxidase-positive and catalase-positive, and required Na+ for growth. Its major isoprenoid quinone was ubiquinone-8 (Q-8), and its cellular fatty acid profile mainly consisted of C16 : 1ω7c, C16 : 0 and C18 : 1ω7c. The DNA G+C content was 46.9 mol%. 16S rRNA gene sequence analysis suggested that strain SE3T is a member of the genus Pseudoalteromonas . Strain SE3T exhibited close phylogenetic affinity to Pseudoalteromonas arabiensis JCM 17292T (99.0 % 16S rRNA gene sequence similarity), Pseudoalteromonas lipolytica LMEB 39T (98.39 %) and Pseudoalteromonas donghaensis HJ51T (97.65 %). The DNA–DNA reassociation values between strain SE3T and P. arabiensis JCM 17292T, P. lipolytica JCM 15903T and P. donghaensis LMG 24469T were 31, 26 and 44 %, respectively. Owing to the significant differences in phenotypic and chemotaxonomic characteristics, phylogenetic analysis based on 16S rRNA gene sequences and DNA–DNA relatedness data, the new isolate merits classification as a representative of novel species, for which the name Pseudoalteromonas shioyasakiensis is proposed. The type strain is SE3T ( = JCM 18891T = NCIMB 14852T).

scholarly journals Alteromonas gracilis sp. nov., a marine polysaccharide-producing bacterium

2015 ◽  
Vol 65 (Pt_5) ◽  
pp. 1498-1503 ◽  
Author(s):  
Hidetoshi Matsuyama ◽  
Hideki Minami ◽  
Takeshi Sakaki ◽  
Hirokazu Kasahara ◽  
Shotaro Baba ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A novel exopolysaccharide-producing bacterium, designated strain 9a2T, was isolated from Pacific Ocean sediment. The strain was Gram-stain-negative, motile, strictly aerobic, oxidase- and catalase-positive, and required NaCl for growth. Its major isoprenoid quinone was ubiquinone-8 (Q-8), and its cellular fatty acid profile consisted mainly of C16 : 1ω7c, C18 : 1ω9c and C16 : 0. The DNA G+C content was 46.6 mol%. 16S rRNA gene sequence analysis suggested that strain 9a2T is a member of the genus Alteromonas . Strain 9a2T exhibited closest phylogenetic affinity to Alteromonas macleodii NBRC 102226T (99.3 % 16S rRNA gene sequence similarity), A. marina SW-47T (99.3 %), A. litorea TF-22T (99.0 %), A. australica H17T (98.7 %), A. simiduii BCRC 17572T (98.5 %), A. stellipolaris LMG 21861T (98.3 %) and A. hispanica F-32T (98.2 %). The DNA–DNA reassociation values between strain 9a2T and A. macleodii JCM 20772T, A. marina JCM 11804T, A. litorea JCM 12188T, A. australica CIP 109921T, A. simiduii JCM 13896T, A. stellipolaris LMG 21861T and A. hispanica LMG 22958T were below 70 %. Strain 9a2T contained phosphatidylethanolamine, phosphatidylglycerol and an unidentified polar lipid. Owing to differences in phenotypic and chemotaxonomic characteristics, phylogenetic analysis based on 16S rRNA gene sequences and DNA–DNA relatedness data, the isolate merits classification as representing a novel species, for which the name Alteromonas gracilis sp. nov. is proposed. The type strain of this species is 9a2T ( = JCM 30236T = NCIMB 14947T).

scholarly journals Psychrobacter oceani sp. nov., isolated from marine sediment

2015 ◽  
Vol 65 (Pt_5) ◽  
pp. 1450-1455 ◽  
Author(s):  
Hidetoshi Matsuyama ◽  
Hideki Minami ◽  
Takeshi Sakaki ◽  
Hirokazu Kasahara ◽  
Akane Watanabe ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A novel marine bacterium, designated strain 4k5T, was isolated from a sediment sample of the Pacific Ocean. The strain was Gram-stain-negative, strictly aerobic, non-motile, oxidase-positive and catalase-positive and required Na+ for growth. Its major isoprenoid quinone was ubiquinone 8 (Q-8), and its cellular fatty acid profile consisted mainly of C18 : 1v9c (71.4 %), C16 : 1v7c (9.1 %) and C18 : 0. The DNA G+C content was 45.3 mol%. 16S rRNA gene sequence analysis suggested that strain 4k5T is a member of the genus Psychrobacter . Strain 4k5T exhibited the closely phylogenetic affinity to Psychrobacter pacificensis IFO 16270T (99.4 % 16S rRNA gene sequence similarity), P. piscatorii T-3-2T (97.7 %), P. nivimaris 88/2-7T (97.7 %), P. celer SW-238T (97.7 %), P. aestuarii SC35T (97.6 %) and P. vallis CMS39T (97.6 %). DNA–DNA hybridization between strain 4k5T and P. pacificensis NBRC 103191T, P. piscatorii JCM 15603T. P. nivimaris DSM 16093T, P. celer JCM 12601T, P. aestuarii JCM 16343T and P. vallis DSM 15337T was 42.5, 47.0, 38.1, 23.7, 9.0 and 27.4 %, respectively. Owing to the significant differences in phenotypic and chemotaxonomic characteristics, phylogenetic analysis based on the 16S rRNA gene sequence and DNA–DNA relatedness data, the isolate merits classification within a novel species, for which the name Psychrobacter oceani sp. nov. is proposed. The type strain is 4k5T ( = JCM 30235T = NCIMB 14948T).

Winogradskyella pulchriflava sp. nov., isolated from marine sediment

2013 ◽  
Vol 63 (Pt_8) ◽  
pp. 3062-3068 ◽  
Author(s):  
So-Jeong Kim ◽  
Ye-Rin Choi ◽  
Soo-Je Park ◽  
Jong-Geol Kim ◽  
Kee-Sun Shin ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Strictly Aerobic ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type

A taxonomic study was conducted on strain EM106T, isolated from a sediment sample of the East Sea, Republic of Korea. Comparative 16S rRNA gene sequence analyses showed that strain EM106T belongs to the family Flavobacteriaceae and is most closely related to Winogradskyella echinorum KMM 6211T and Winogradskyella ulvae KMM 6390T (97.8 and 97.3 % 16S rRNA gene sequence similarities, respectively). The G+C content of the genomic DNA of strain EM106T was 33.3 mol%, and the major respiratory quinone was menaquinone-6. The polar lipids of EM106T were phosphatidylethanolamine, two unidentified aminolipids and two unidentified lipids. DNA–DNA relatedness data indicated that strain EM106T represented a distinct species, separate from W. echinorum KMM 6211T and W. ulvae KMM 6390T. Strain EM106T possessed iso-C15 : 0, iso-C15 : 1 G and iso-C16 : 0 3-OH as the major cellular fatty acids. The isolate was Gram-staining-negative, strictly aerobic, short rod-shaped and motile by gliding. The strain grew at 10–35 °C (optimum, 25 °C), pH 6.5–9.0 (optimum, 7.5), and with 0.5–5 % (w/v) NaCl (optimum, 0.5–1 % NaCl). The overall physiological features of strain EM106T were very similar to those of W. echinorum KMM 6211T but only strain EM106T had nitrate reductase activity. On the basis of phenotypic and phylogenetic analyses, strain EM106T is proposed to represent a novel species, Winogradskyella pulchriflava. The type strain is EM106T( = KCTC 23858T = NCAIM B 02481T).

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 Pseudomonas piscis sp. nov., isolated from the profound head ulcers of farmed Murray cod (Maccullochella peelii peelii)

2020 ◽  
Vol 70 (4) ◽  
pp. 2732-2739 ◽  
Author(s):  
Yang Liu ◽  
Qiuhua Rao ◽  
Jochen Blom ◽  
Qiu Lin ◽  
Tuyan Luo
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
Content Type ◽  
Link Type ◽  
Murray Cod

A Gram-stain-negative, strictly aerobic, motile, rod-shaped bacterium with monopolar flagella, designated as MC042T, was isolated from the profound head ulcers of farmed Murray cod sampled from Zhejiang Province, China. Analysis of its 16S rRNA gene sequence and multilocus sequence analysis phylogeny showed that strain MC042T belonged to the genus Pseudomonas , showing the highest 16S rRNA gene sequence similarity to Pseudomonas juntendi BML3T (98.9 %), and less than 98.8 % similarity to other Pseudomonas species with validly published names. Whole-genome sequencing and phylogenetic reconstruction based on a core set of 1563 Pseudomonas genes further indicated that strain MC042T was most closely related to the clade formed by Pseudomonas protegens CHA0T and Pseudomonas saponiphila DSM 975T and distantly related to any of the validly published species of the genus Pseudomonas . Furthermore, strain MC042T could be distinguished from its closely related species of the genus Pseudomonas by its ability to assimilate maltose, d-xylose and melibiose, but not d-mannitol. The principal fatty acids were C16 : 0, summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1ω7c) and summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c). The respiratory quinone was Q-9. Polar lipids of strain MC042T comprised diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, unidentified glycolipids, an unidentified lipid, an unknown glycolipid and aminolipid. Based on its phenotypic, chemotaxonomic and phylogenetic features, strain MC042T is considered to represent a novel species, for which the name Pseudomonas piscis sp. nov. is proposed. The type strain is MC042T (=KCTC 72033T=MCCC 1K03575T).

scholarly journals Cellulomonas rhizosphaerae sp. nov., a novel actinomycete isolated from soil

2019 ◽  
Vol 69 (4) ◽  
pp. 1001-1008 ◽  
Author(s):  
Yuanyuan Tian ◽  
Chuanyu Han ◽  
Jiangmeihui Hu ◽  
Junwei Zhao ◽  
Chen Zhang ◽  
...  
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

A novel actinomycete, designated strain NEAU-TCZ24T, was isolated from soil and characterized using a polyphasic approach. The results of phylogenetic analysis based on the 16S rRNA gene sequence indicated that the organism should be assigned to the genus Cellulomonas and formed a stable clade with its closest relatives Cellulomonas terrae JCM 14899T (98.4 % 16S rRNA gene sequence similarity), Cellulomonas xylanilytica JCM 14281T (97.9 %) and Cellulomonas humilata JCM 11945T (97.7 %). The major menaquinones were identified as MK-9(H4) and MK-8(H4). The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylinositolmannoside, a ninhydrin-positiveglycolipid, an unidentified phosphoglycolipid, an unidentified phospholipid and an unidentified lipid. The major fatty acids were identified as anteiso-C15 : 0, C18 : 1ω9c, C16 : 0 and anteiso-C17 : 0. Moreover, morphological and chemotaxonomic properties of NEAU-TCZ24T also confirmed the affiliation of the isolate to the genus Cellulomonas . However, multilocus sequence analysis based on five other house-keeping genes (gyrB, rpoB, recA, relA and atpD), DNA–DNA relatedness, physiological and biochemical data indicated that NEAU-TCZ24T could be distinguished from its closest relatives. Therefore, it is proposed that NEAU-TCZ24T represents a novel species of the genus Cellulomonas , for which the name Cellulomonas rhizosphaerae sp. nov. is proposed. The type strain is NEAU-TCZ24T (=CCTCC AA 2018042T=JCM 32383T).

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