scholarly journals Bacillus salacetis sp. nov., a slightly halophilic bacterium from Thai shrimp paste (Ka-pi)

2019 ◽  
Vol 69 (4) ◽  
pp. 1162-1168 ◽  
Author(s):  
Rungsima Daroonpunt ◽  
Supalurk Yiamsombut ◽  
Jaruwan Sitdhipol ◽  
Somboon Tanasupawat

A Gram-stain-positive, slightly halophilic, endospore-forming, strictly aerobic, rod-shaped bacterium, designated SKP7-4T, was isolated from shrimp paste collected from Samut Sakhon province, Thailand. Strain SKP7-4T grew at pH 6.0–9.0 (optimum, 7.5), at 20–40 °C (37 °C) and in 0–15 % (w/v) NaCl (1–3 %). The diamino acid found in the cell-wall peptidoglycan was meso-diaminopimelic acid. Menaquinone with seven isoprene units was the major isoprenoid quinone. Diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and three unidentified phospholipids were detected as polar lipids. It contained iso-C15 : 0 and anteiso-C15 : 0 as major cellular fatty acids. On the basis of 16S rRNA gene sequence analysis, strain SKP7-4T belonged to the genus Bacillus and was closely related to Bacillus vietnamensis JCM 11124T, Bacillus marisflavi JCM 11544T, Bacillus aquimaris JCM 11545T and B acillus oryzaecorticis JCM 19602T, with 98.7, 97.9, 97.8 and 97.8 % similarity, respectively. The draft genome of SKP7-4T was 4.68 Mb with 5208 coding sequences with an average G+C content of 43.2 mol%. The ANIb and ANIm values of strain SKP7-4T were 70.0 and 84.3 %, respectively, and the digital DNA–DNA hybridization value was 20 % in comparison with the draft genome of B. vietnamensis JCM 11124T. On the basis of the results of phenotypic, chemotaxonomic and phylogenetic analyses, the strain should represent a novel species of the genus Bacillus and the name Bacillus salacetis sp. nov. is proposed. The type strain is SKP7-4T (=JCM 33205T=KCTC 43014T=TISTR 2596T).

2013 ◽  
Vol 63 (Pt_4) ◽  
pp. 1229-1234 ◽  
Author(s):  
Maryam Didari ◽  
Mohammad Ali Amoozegar ◽  
Maryam Bagheri ◽  
Maliheh Mehrshad ◽  
Peter Schumann ◽  
...  

A novel Gram-positive, slightly halophilic bacterium, designated strain B48T, was isolated from soil around the hypersaline lake Aran-Bidgol in Iran and characterized taxonomically using a polyphasic approach. Cells of strain B48T were non-motile rods and produced ellipsoidal endospores at a central or subterminal position in swollen sporangia. Strain B48T was a strictly aerobic bacterium, catalase- and oxidase-positive. The strain was able to grow at NaCl concentrations of 0.5–10.0 % (w/v), with optimum growth occurring at 2.5 % (w/v) NaCl. The optimum temperature and pH for growth were 35 °C and pH 7.5–8.0, respectively. On the basis of 16S rRNA gene sequence analysis, strain B48T was shown to belong to the genus Bacillus within the phylum Firmicutes and showed the closest phylogenetic similarity to the species Bacillus foraminis CV53T (97.4 %) and Bacillus purgationiresistens DS22T (96.9 %). The DNA G+C content of this new isolate was 40.1 mol%. The major cellular fatty acids of strain B48T were iso-C15 : 0 and anteiso-C15 : 0, and its polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an aminophospholipid and two unknown phospholipids. The only quinone present was menaquinone 7 (MK-7). The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. All these features confirm the placement of isolate B48T within the genus Bacillus . DNA–DNA hybridization experiments revealed a low level of relatedness between strain B48T and Bacillus foraminis IBRC-M 10625T (8.1 %). On the basis of polyphasic evidence from this study, a new species of the genus Bacillus , Bacillus persicus sp. nov., is proposed, with strain B48T ( = IBRC-M 10115T = DSM 25386T = CECT 8001T) as the type strain.


2020 ◽  
Vol 70 (11) ◽  
pp. 5943-5949 ◽  
Author(s):  
Yun-zhen Yang ◽  
Ji-feng Chen ◽  
Wan-ru Huang ◽  
Ran-ran Zhang ◽  
Shuangjiang Liu ◽  
...  

A novel Gram-stain-negative, strictly aerobic, rod-shaped, brick red-pigmented bacterium, designated R-22-1 c-1T, was isolated from water from Baiyang Lake, Hebei Province, PR China. The strain was able to grow at 20–30 °C (optimum, 30 °C) and pH 6–7 (optimum, pH 6) in Reasoner’s 2A medium. 16S rRNA gene sequence and phylogenetic analyses of R-22-1 c-1T revealed closest relationships to Rufibacter immobilis MCC P1T (97.8 %), Rufibacter sediminis H-1T (97.9 %) and Rufibacter glacialis MDT1-10-3T (97.0 %), with other species of the genus Rufibacter showing less than 97.0 % sequence similarity. The predominant polar lipids were phosphatidylethanolamine, two unidentified aminophospholipids and three unidentified lipids. The major cellular fatty acids were iso-C15 : 0, C15 : 1  ω6c, C17 : 1  ω6c, anteiso-C15 : 0, summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1  ω7c and/or C16 : 1  ω6c) and summed feature 4 (iso-C17 : 1I and/or anteiso-C17 : 1B). The respiratory quinone was MK-7. The draft genome of R-22-1 c-1T was 5.6 Mbp in size, with a G+C content of 50.2 mol%. The average nucleotide identity and digital DNA–DNA hybridization relatedness values between strain R-22-1 c-1T and related type strains were R. immobilis MCC P1T (77.2 and 21.8 %), R. sediminis H-1T (81.6 and 21.4 %) and R. tibetensis 1351T (78.5 and 22.9 %). Based on these phylogenetic, chemotaxonomic and genotypic results, strain R-22-1 c-1T represents a novel species in the genus Rufibacter , for which the name Rufibacter latericius sp. nov. is proposed. The type strain is R-22-1 c-1T (=CGMCC 1.13570T=KCTC 62781T).


2019 ◽  
Vol 69 (4) ◽  
pp. 1075-1080 ◽  
Author(s):  
Leni Sun ◽  
Yan Chen ◽  
Wei Tian ◽  
Lunguang Yao ◽  
Zhaojin Chen ◽  
...  

A Gram-stain-positive, rod-shaped, motile bacterial strain, designated 3-2-2T, was isolated from field topsoil collected from a western suburb of Nanyang city, Henan province, China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 3-2-2T was a member of the genus Bacillus and most closely related to Bacillus fortis R-6514T (98.9 % similarity), Bacillus terrae RA9T (98.0 %) and Bacillus fordii R-7190T (97.7 %). A draft genome sequence determined for strain 3-2-2T revealed a DNA G+C content of 42.2 mol%. The average nucleotide identity and digital DNA–DNA hybridization values between 3-2-2T and the closely related Bacillus species ranged 79.4–84.2 % and 23.4–24.6 %. The major fatty acids of strain 3-2-2T were iso-C15 : 0, anteiso-C15 : 0, iso-C14 : 0 and iso-C16 : 0. The major isoprenoid quinone was MK-7. meso-Diaminopimelic acid was detected in the peptidoglycan. The polar lipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified phospholipid and an unidentified lipid. The results of phylogenetic analyses, in silico genomic comparisons, and chemotaxonomic and phenotypic analyses clearly indicated that strain 3-2-2T represents a novel species within the genus Bacillus , for which the name Bacillus acidinfaciens sp. nov. is proposed. The type strain is 3-2-2T (=CGMCC 1.13685T=LMG 30839T).


2013 ◽  
Vol 63 (Pt_9) ◽  
pp. 3324-3329 ◽  
Author(s):  
Mohammad Ali Amoozegar ◽  
Maryam Didari ◽  
Maryam Bagheri ◽  
Seyed Abolhassan Shahzadeh Fazeli ◽  
Peter Schumann ◽  
...  

A Gram-staining-positive, endospore-forming, rod-shaped, strictly aerobic, slightly halophilic bacterium, designated strain A24T, was isolated from the hypersaline lake Aran-Bidgol in Iran. Cells of strain A24T were motile rods and produced oval endospores at a terminal position in swollen sporangia. Strain A24T was catalase and oxidase positive. Growth occurred with between 0.5 and 7.5 % (w/v) NaCl and the isolate grew optimally at 3 % (v/w) NaCl. The optimum temperature and pH for growth were 35 °C and pH 8.0, respectively. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain A24T belonged to the genus Bacillus within the phylum Firmicutes and showed the closest phylogenetic similarity with the species Bacillus alkalitelluris BA288T (97.2 %), Bacillus herbersteinensis D-1,5aT (96.0 %) and Bacillus litoralis SW-211T (95.6 %). The G+C content of the genomic DNA of this strain was 35.9 mol%. The polar lipid pattern of strain A24T consisted of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and two unknown phospholipids. The major cellular fatty acids of strain A24T were anteiso-C15 : 0 and iso-C15 : 0. The respiratory quinones were MK-7 (94 %) and MK-6 (4 %). The peptidoglycan contained meso-diaminopimelic acid as the diagnostic diamino acid. All these features confirm the placement of isolate A24T within the genus Bacillus . DNA–DNA hybridization experiments revealed a relatedness of 8 % between strain A24T and Bacillus alkalitelluris IBRC-M 10596T, supporting its placement as a novel species. Phenotypic characteristics, phylogenetic analysis and DNA–DNA relatedness data suggest that this strain represents a novel species of the genus Bacillus , for which the name Bacillus salsus sp. nov. is proposed. The type strain is strain A24T ( = IBRC-M 10078 T = KCTC 13816T).


2012 ◽  
Vol 62 (Pt_8) ◽  
pp. 1857-1863 ◽  
Author(s):  
Pankyung Kim ◽  
Jae-Chan Lee ◽  
Dong-Jin Park ◽  
Kee-Sun Shin ◽  
Jeong-Yoon Kim ◽  
...  

A Gram-staining-positive, moderately halophilic bacterium, designated strain BH097T, was isolated from solar saltern soil of Bigeum Island in south-west Korea. Cells were motile rods, producing spherical endospores at a terminal position in swollen sporangia. Strain BH097T was strictly aerobic, grew at pH 5.5–9.5 (optimum, pH 8.0), at 10–52 °C (optimum, 37 °C) and at salinities of 1–22 % (w/v) NaCl (optimum, 7 % NaCl). On the basis of 16S rRNA gene sequence analysis, strain BH097T was shown to belong to the genus Gracilibacillus within the phylum Firmicutes , and showed closest sequence similarity to Gracilibacillus saliphilus DSM 19802T (95.8 %), Gracilibacillus thailandensis TP2-8T (95.6 %), Gracilibacillus boraciitolerans DSM 17256T (95.5 %), ‘Gracilibacillus quinghaiensis’ DSM 17858 (95.4 %) and Gracilibacillus halophilus DSM 17856T (95.2 %). The DNA G+C content of this novel isolate was 37.9 mol%. The major cellular fatty acids of strain BH097T were anteiso-C15 : 0, iso-C15 : 0 and C16 : 0, and its polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol two unknown phospholipids and a glycolipid. The isoprenoid quinone was MK-7, and the peptidoglycan type was A1γ, with meso-diaminopimelic acid as the diagnostic diamino acid. On the basis of polyphasic evidence from this study, strain BH097T represents a novel species of the genus Gracilibacillus for which the name Gracilibacillus bigeumensis sp. nov. is proposed. The type strain is BH097T ( = KCTC 13130T = DSM 19028T).


Author(s):  
Fenfa Li ◽  
Qingyi Xie ◽  
Shuangqing Zhou ◽  
Fandong Kong ◽  
Yun Xu ◽  
...  

Strain HNM0947T, representing a novel actinobacterium, was isolated from the coral Galaxea astreata collected from the coast of Wenchang, Hainan, China. The strain was found to have morphological and chemotaxonomic characteristics consistent with the genus Nocardiopsis . The organism formed abundant fragmented substrate mycelia and aerial mycelia which differentiated into non-motile, rod-shaped spores. Whole-cell hydrolysates contained meso-diaminopimelic acid and no diagnostic sugars. The major menaquinones were MK-10(H8), MK-10(H6) and MK-10(H4). The major phospholipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were iso-C16:0, anteiso-C17:0, C18:0, C18:0 10-methyl (TBSA) and anteiso-C15:0. The G+C content was 71.3 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HNM0947T belonged to the genus Nocardiopsis and shared highest sequence similarity to Nocardiopsis salina YIM 90010T (98.8%), Nocardiopsis xinjiangensis YIM 90004T(98.5%) and Nocardiopsis kunsanensis DSM 44524T (98.3%). The strain HNM0947T was distinguished from its closest type strain by low average nucleotide identity (90.8%) and dDDH values (60.4%) respectively. Based on genotypic, chemotaxonomic and phenotypic characteristics, it was concluded that strain HNM0947T represents a novel species of the genus Nocardiopsis whose name was proposed as Nocardiopsis coralli sp. nov. The type strain was HNM0947T (=CCTCC AA 2020015 T=KCTC 49525 T).


2014 ◽  
Vol 64 (Pt_3) ◽  
pp. 1000-1005 ◽  
Author(s):  
Azadeh Shahinpei ◽  
Mohammad Ali Amoozegar ◽  
Abbas Akhavan Sepahy ◽  
Peter Schumann ◽  
Antonio Ventosa

A novel Gram-stain-negative, slightly halophilic bacterium, designated strain GASx41T, was isolated from soil of the coastal–marine wetland Gomishan in Iran. Cells of strain GASx41T were curved, ring-like or horseshoe-shaped rods and non-motile. Strain GASx41T was strictly aerobic, and catalase- and oxidase-positive. The strain was able to grow at NaCl concentrations of 1–10 % (w/v), with optimum growth occurring at 2.5–3 % (w/v) NaCl. The optimum temperature and pH for growth were 25–30 °C and pH 7.5–8.0. On the basis of 16S rRNA gene sequence analysis, strain GASx41T was shown to belong to the genus Cyclobacterium within the phylum Bacteroidetes and showed closest phylogenetic similarity to ‘Cyclobacterium jeungdonense’ HMD3055 (98.0 %). The DNA G+C content of strain GASx41T was 48.1 mol%. The major cellular fatty acids of strain GASx41T were iso-C15 : 0, summed feature 4 (iso-C15 : 0 2-OH and/or C16 : 1ω7c), anteiso-C15 : 0 2-OH, anteiso-C15 : 0 and iso-C17 : 0 3-OH, and its polar lipid pattern consisted of phosphatidylethanolamine, phosphatidylcholine and 12 unknown lipids. The only quinone present was menaquinone 7 (MK-7). All these features confirmed the placement of isolate GASx41T within the genus Cyclobacterium . On the basis of evidence from this study, a novel species of the genus Cyclobacterium , Cyclobacterium halophilum sp. nov., is proposed, with strain GASx41T ( = IBRC-M 10761T = CECT 8341T) as the type strain.


2020 ◽  
Vol 70 (5) ◽  
pp. 3504-3512 ◽  
Author(s):  
Hong Ming ◽  
Wei-li Ji ◽  
Meng Li ◽  
Zhuo-li Zhao ◽  
Li-jiao Cheng ◽  
...  

A bacteria strain, designated CFH 90008T, was isolated from a salt lake sediment sample collected from Yuncheng city, Shanxi Province, PR China. Strain CFH 90008T was Gram-stain-negative, strictly aerobic, motile with lateral flagella and rod-shaped. Colonies were yellow, circular and smooth. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain CFH 90008T belonged to the genus Halomonas , showing highest sequence similarity to Halomonas daqingensis DQD2-30T (98.6 %), Halomonas saliphila LCB169T (98.5 %), Halomonas desiderata FB2T (98.1 %) and Halomonas kenyensis AIR-2T (98.0 %). Good growth was observed at 10–50 °C, pH 6.0–9.0 and with NaCl concentration from 1.0 to 12.0 % (w/v). The predominant quinone was Q9. The major fatty acid (>10 %) was C18 : 1 ω7c, C16 : 0 and C16 : 1 ω7c. The genome of strain CFH 90008T was 4.36 Mbp with a genomic DNA G+C content of 66.7 mol%. Based on low average nucleotide identity and DNA–DNAhybridization results, chemotaxonomic characteristics, and differential physiological properties, strain CFH 90008T could not be classified into any recognized species of the genus Halomonas . Therefore, a new species, for which the name Halomonas lactosivorans sp. nov. is proposed. The type strain is CFH 90008T (=DSM 103220T=KCTC 52281T).


2020 ◽  
Vol 70 (3) ◽  
pp. 2132-2136 ◽  
Author(s):  
Hyo-Jin Lee ◽  
Kyung-Sook Whang

A Gram-stain-negative bacterium, designated strain PF-30T, was isolated from floodwater of a paddy field in South Korea. Strain PF-30T was found to be a strictly aerobic, motile and pink-pigmented rods which can grow at 25–40 °C (optimum, 28 °C), at pH 5.0–9.0 (optimum pH 7.0) and at salinities of 0.5–3.0 % NaCl (optimum 0.5 % NaCl). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain PF-30T belongs to the genus Elioraea , showing highest sequence similarity to Elioraea tepidiphila TU-7T (97.1%) and less than 91.3 % similarity with other members of the family Acetobacteraceae . The average nucleotide identity (ANI) and DNA–DNA relatedness between the strain PF-30T and E. tepidiphila TU-7T yielded an ANI value of 75.1 % and DNA–DNA relatedness of 11.7±0.7 %, respectively. The major fatty acids were identified as C18 : 0 and C18 : 1 ω7c. The predominant respiratory quinone was identified as Q-10. The DNA G+C content was determined to be 69.9 mol%. The strain PF-30T was observed to produce plant-growth-promoting materials such as indole-3-acetic acid (IAA), siderophore and phytase. On the basis of the results from phylogenetic, chemotaxonomic and phenotypic data, we concluded that strain PF-30T represents a novel species of the genus Elioraea , for which the name Elioraea rosea sp. nov. is proposed. The type strain is PF-30T (=KACC 19985T=NBRC 113984T).


2020 ◽  
Vol 70 (4) ◽  
pp. 2186-2193 ◽  
Author(s):  
Mareike Wenning ◽  
Franziska Breitenwieser ◽  
Christopher Huptas ◽  
Etienne Doll ◽  
Benedikt Bächler ◽  
...  

Eight facultatively anaerobic rod-shaped bacteria were isolated from raw milk and two other dairy products. Results of phylogenetic analyses based on 16S rRNA gene sequences showed that the isolates are placed in a distinct lineage within the family Propionibacteriaceae with Propioniciclava sinopodophylli and Propioniciclava tarda as the closest relatives (94.6 and 93.5 % similarity, respectively). The cell-wall peptidoglycan contained meso-diaminopimelic acid, alanine and glutamic acid and was of the A1γ type (meso-DAP-direct). The major cellular fatty acid was anteiso-C15 : 0 and the major polar lipids were diphosphatidylglycerol, phosphatidyglycerol and three unidentified glycolipids. The quinone system contained predominantly menaquinone MK-9(H4). The G+C content of the genomic DNA of strain VG341T was 67.7 mol%. The whole-cell sugar pattern contained ribose, rhamnose, arabinose and galactose. On the basis of phenotypic and genetic data, eight strains (VG341T, WS4684, WS4769, WS 4882, WS4883, WS4901, WS4902 and WS4904) are proposed to be classified as members of a novel species in a new genus of the family Propionibacteriaceae , for which the name Brevilactibacter flavus gen. nov., sp. nov. is proposed. The type strain is VG341T (=WS4900T=DSM 100885T=LMG 29089T) and seven additional strains are WS4684, WS4769, WS4882, WS4883, WS4901, WS4902 and WS4904. Furthermore, we propose the reclassification of P. sinopodophylli as Brevilactibacter sinopodophylli comb. nov.


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