scholarly journals Streptomyces staurosporininus sp. nov., a staurosporine-producing actinomycete

2012 ◽  
Vol 62 (Pt_4) ◽  
pp. 966-970 ◽  
Author(s):  
Byung-Yong Kim ◽  
Tiago Domingues Zucchi ◽  
Hans-Peter Fiedler ◽  
Michael Goodfellow

The taxonomic position of a staurosporine-producing actinomycete isolated from a hay meadow soil was determined using a polyphasic approach. The organism had chemical and morphological characteristics consistent with its classification in the genus Streptomyces and formed a distinct branch between the Streptomyces lydicus and Streptomyces noursei clades in the 16S rRNA Streptomyces gene tree. DNA–DNA relatedness values between the isolate and its nearest phylogenetic neighbours, namely Streptomyces lydicus NBRC 13058T and Streptomyces chattanoogensis NBRC 12754T, were 53 % and 40 %, respectively. The isolate was also readily distinguished from the type strains of these species using a combination of morphological and other phenotypic properties. On the basis of these results, it is proposed that isolate BK179T ( = KACC 20912T  = NRRL B-24850T) be classified as the type strain of Streptomyces staurosporininus sp. nov.

2015 ◽  
Vol 65 (Pt_6) ◽  
pp. 1786-1793 ◽  
Author(s):  
Wallace Rafael Souza ◽  
Rafael Eduardo Silva ◽  
Michael Goodfellow ◽  
Kanungnid Busarakam ◽  
Fernanda Sales Figueiro ◽  
...  

Strain SB026T was isolated from Brazilian rainforest soil and its taxonomic position established using data from a polyphasic study. The organism showed a combination of chemotaxonomic and morphological features consistent with its classification in the genus Amycolatopsis and formed a branch in the Amycolatopsis 16S rRNA gene tree together with Amycolatopsis bullii NRRL B-24847T, Amycolatopsis plumensis NRRL B-24324T, Amycolatopsis tolypomycina DSM 44544T and Amycolatopsis vancoresmycina NRRL B-24208T. It was related most closely to A. bullii NRRL B-24847T (99.0 % 16S rRNA gene sequence similarity), but was distinguished from this strain by a low level of DNA–DNA relatedness (~46 %) and discriminatory phenotypic properties. Based on the combined genotypic and phenotypic data, it is proposed that the isolate should be classified in the genus Amycolatopsis as representing a novel species, Amycolatopsis rhabdoformis sp. nov. The type strain is SB026T ( = CBMAI 1694T = CMAA 1285T = NCIMB 14900T).


2012 ◽  
Vol 62 (Pt_6) ◽  
pp. 1348-1353 ◽  
Author(s):  
Hui-xian Wu ◽  
Pok Yui Lai ◽  
On On Lee ◽  
Xiao-jian Zhou ◽  
Li Miao ◽  
...  

A novel Gram-negative, aerobic, catalase- and oxidase-positive, non-sporulating, non-motile, rod-shaped bacterium, designated strain UST081027-248T, was isolated from seawater of the Red Sea. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain UST081027-248T fell within the genus Erythrobacter . Levels of 16S rRNA gene sequence similarity between the novel strain and the type strains of Erythrobacter species ranged from 95.3 % (with Erythrobacter gangjinensis ) to 98.2 % (with Erythrobacter citreus ). However, levels of DNA–DNA relatedness between strain UST081027-248T and the type strains of closely related species were below 70 %. Optimal growth of the isolate occurred in the presence of 2.0 % NaCl, at pH 8.0–9.0 and at 28–36 °C. The isolate did not produce bacteriochlorophyll a. The predominant cellular fatty acids were C17 : 1ω6c, summed feature 8 (C18 : 1ω6c and/or C18 : 1ω7c) and C15 : 0 2-OH. The genomic DNA G+C content of strain UST081027-248T was 60.4 mol%. Phenotypic properties and phylogenetic distinctiveness clearly indicated that strain UST081027-248T represents a novel species of the genus Erythrobacter , for which the name Erythrobacter pelagi sp. nov. is proposed. The type strain is UST081027-248T ( = JCM 17468T = NRRL 59511T).


2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1728-1733 ◽  
Author(s):  
Byung-Yong Kim ◽  
Xiaoying Rong ◽  
Tiago D. Zucchi ◽  
Ying Huang ◽  
Michael Goodfellow

Two actinomycete strains, BK125T and BK199T, isolated from a hay meadow soil sample were investigated to determine their taxonomic position using a polyphasic approach. The isolates produced greenish-yellow and light green aerial mycelium on oatmeal agar, respectively. They contained anteiso-C15 : 0, iso-C15 : 0 and C16 : 0 as the major fatty acids, and MK-9 (H6) and MK-9 (H8) as the predominant isoprenoid quinones. Phylogenetic analysis of the 16S rRNA gene sequences showed that the isolates formed distinct phyletic lines towards the periphery of the Streptomyces prasinus subclade. Analysis of DNA–DNA relatedness between the two isolates showed that they belonged to different genomic species. The organisms were also distinguished from one another and from type strains of species classified in the S. prasinus subclade using a combination of genotypic and phenotypic properties. On the basis of these data, it is proposed that the isolates be assigned to the genus Streptomyces as Streptomyces chlorus sp. nov. and Streptomyces viridis sp. nov. with isolates BK125T ( = KACC 20902T = CGMCC 4.5798T) and BK199T ( = KACC 21003T = CGMCC 4.6824T) as the respective type strains.


2015 ◽  
Vol 65 (Pt_5) ◽  
pp. 1672-1678 ◽  
Author(s):  
Sooyeon Park ◽  
Yong-Taek Jung ◽  
Sung-Min Won ◽  
Ji-Min Park ◽  
Jung-Hoon Yoon

A Gram-stain-negative, aerobic, non-spore-forming, non-flagellated and coccoid, ovoid or rod-shaped bacterial strain, W-BA2T, was isolated from a brown algae reservoir in Wando of South Korea. Strain W-BA2T grew optimally at 25 °C, at pH 7.0–8.0 and in the presence of approximately 2.0–3.0 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences revealed that strain W-BA2T fell within the clade comprising the type strains of species of the genus Sulfitobacter , clustering coherently with the type strains of Sulfitobacter donghicola and Sulfitobacter guttiformis showing sequence similarity values of 98.0–98.1 %. Sequence similarities to the type strains of the other species of the genus Sulfitobacter were 96.0–97.4 %. Strain W-BA2T contained Q-10 as the predominant ubiquinone and C18 : 1ω7c as the major fatty acid. The major polar lipids of strain W-BA2T were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, one unidentified aminolipid and one unidentified lipid. The DNA G+C content of strain W-BA2T was 55.0 mol% and its DNA–DNA relatedness values with the type strains of Sulfitobacter donghicola , Sulfitobacter guttiformis and Sulfitobacter mediterraneus were 16–23 %. The differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain W-BA2T is separated from other species of the genus Sulfitobacter . On the basis of the data presented, strain W-BA2T is considered to represent a novel species of the genus Sulfitobacter , for which the name Sulfitobacter undariae sp. nov. is proposed. The type strain is W-BA2T ( = KCTC 42200T = NBRC 110523T).


2012 ◽  
Vol 62 (Pt_8) ◽  
pp. 1908-1913 ◽  
Author(s):  
Byung-Yong Kim ◽  
Xiaoying Rong ◽  
Tiago D. Zucchi ◽  
Avinash N. V. Bonda ◽  
Ying Huang ◽  
...  

The taxonomic positions of three streptomycetes isolated from a soil sample from a hay meadow were determined using a polyphasic approach. The isolates had chemical and morphological properties typical of the genus Streptomyces and, in phylogenetic analyses based on 16S rRNA gene sequences, formed a distinct subclade that was most closely related to the Streptomyces prasinus subclade. DNA–DNA relatedness studies showed that the novel strains belonged to three different genomic species. The novel strains could be distinguished from one another and from the type strains of the species classified in the S. prasinus subclade using a combination of genotypic and phenotypic properties. On the basis of these data, it is proposed that the novel strains be assigned to the genus Streptomyces as Streptomyces herbaceus sp. nov., Streptomyces incanus sp. nov. and Streptomyces pratens sp. nov., with BK119T ( = KACC 21001T  = CGMCC 4.5797T), BK128T ( = KACC 21002T  = CGMCC 4.5799T) and BK138T ( = KACC 20904T  = CGMCC 4.5800T) as the respective type strains.


2013 ◽  
Vol 63 (Pt_5) ◽  
pp. 1741-1745 ◽  
Author(s):  
Sooyeon Park ◽  
Jung-Hoon Yoon

A Gram-negative, motile and ovoid- to rod-shaped bacterial strain, designated M-M10T, was isolated from a seashore sediment collected from the South Sea, South Korea. Strain M-M10T grew optimally at pH 7.0–8.0, at 30 °C and in the presence of 2 % (w/v) NaCl. The phylogenetic trees based on 16S rRNA gene sequences revealed that strain M-M10T clustered with the type strains of Roseovarius crassostreae , Roseovarius halocynthiae and Roseovarius marinus , with which it exhibited sequence similarities of 97.4, 97.3 and 95.1 %, respectively. It exhibited 93.2–95.1 % sequence similarity to the type strains of the other species of the genus Roseovarius . Strain M-M10T contained Q-10 as the predominant ubiquinone and C18 : 1ω7c and C16 : 0 as the major fatty acids, as observed in the genus Roseovarius . The polar lipid profile of strain M-M10T was similar to that of Roseovarius tolerans DSM 11457T. The DNA G+C content of strain M-M10T was 63.0 mol% and its mean DNA–DNA relatedness values with Roseovarius crassostreae DSM 16950T and Roseovarius halocynthiae MA1-10T were 16 % and 22 %, respectively. Differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, demonstrated that strain M-M10T is distinct from other species of the genus Roseovarius . On the basis of the data presented, strain M-M10T is considered to represent a novel species of the genus Roseovarius , for which the name Roseovarius sediminilitoris sp. nov. is proposed. The type strain is M-M10T ( = KCTC 23959T = CCUG 62413T).


2013 ◽  
Vol 63 (Pt_7) ◽  
pp. 2424-2429 ◽  
Author(s):  
Maripat Turdahon ◽  
Ghenijan Osman ◽  
Maryam Hamdun ◽  
Khayir Yusuf ◽  
Zumret Abdurehim ◽  
...  

A Gram-negative, non-motile, pale-yellow, rod-shaped bacterial strain, PL-41T, was isolated from Populus euphratica forest soil at the ancient Khiyik River valley in Xinjiang Uyghur Autonomous Region, People's Republic of China. Strain PL-41T grew optimally at 30 °C and pH 7.0–8.0. The major quinone was Q-10. The predominant cellular fatty acids of strain PL-41T were summed feature 8 (comprising C18 : 1ω7c and C18 : 1ω6c), C16 : 0 and C19 : 0 cyclo ω8c. Polar lipids of strain PL-41T include two unidentified aminophospholipids (APL1, 2), two unidentified phospholipids (PL1, 2), phosphatidylcholine and three unidentified lipids (L1–3). Strain PL-41T showed 16S rRNA gene sequence similarity of 97.0–97.5 % to the type strains of recognized species of the genus Rhizobium . Phylogenetic analysis of strain PL-41T based on the sequences of housekeeping genes recA and atpD confirmed (similarities are less than 90 %) its position as a distinct species of the genus Rhizobium . The DNA G+C content was 57.8 mol%. DNA–DNA relatedness between strain PL-41T and the type strains of Rhizobium huautlense S02T, Rhizobium alkalisoli CCBAU 01393T, Rhizobium vignae CCBAU 05176T and Rhizobium loessense CCBAU 7190BT were 33.4, 22.6, 25.5 and 45.1 %, respectively, indicating that strain PL-41T was distinct from them genetically. Strain PL-41T also can be differentiated from these four phylogenetically related species of the genus Rhizobium by various phenotypic properties. On the basis of phenotypic properties, phylogenetic distinctiveness and genetic data, strain PL-41T is considered to represent a novel species of the genus Rhizobium , for which the name Rhizobium tarimense sp. nov. is proposed. The type strain is PL-41T ( = CCTCC AB 2011011T = NRRL B-59556T).


2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 3943-3949 ◽  
Author(s):  
Yong-Taek Jung ◽  
Sooyeon Park ◽  
Jung-Sook Lee ◽  
Jung-Hoon Yoon

A Gram-stain-negative, coccoid- or oval-shaped, gliding bacterial strain, designated HDW-31T, belonging to the class Alphaproteobacteria , was isolated from seawater of the Yellow Sea, Korea, and was subjected to a taxonomic study using a polyphasic approach. Strain HDW-31T grew optimally at pH 7.0–8.0, at 30 °C and in the presence of 2–3 % (w/v) NaCl. Neighbour-joining, maximum-likelihood and maximum-parsimony phylogenetic trees based on 16S rRNA gene sequences showed that strain HDW-31T fell within the clade comprising the genus Altererythrobacter , clustering with the type strains of Altererythrobacter luteolus and Altererythrobacter gangjinensis , with which strain HDW-31T exhibited 97.0 and 96.0 % sequence similarity values, respectively. Sequence similarities to the type strains of the other recognized species of the genus Altererythrobacter were 93.5–96.0 %. The DNA G+C content was 57.9 mol% and mean DNA–DNA relatedness between strain HDW-31T and the type strain of A. luteolus was 5.3 %. Strain HDW-31T contained Q-10 as the predominant ubiquinone and summed feature 8 (C18 : 1ω7c and/or C18 : 1ω6c), summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c) and C16 : 0 as the major fatty acids. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, a sphingoglycolipid, two unidentified glycolipids and an unidentified lipid. Differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, demonstrated that strain HDW-31T is distinguishable from recognized species of the genus Altererythrobacter . On the basis of the data presented, strain HDW-31T is considered to represent a novel species of the genus Altererythrobacter , for which the name Altererythrobacter aestiaquae sp. nov. is proposed. The type strain is HDW-31T ( = KCTC 42006T = CECT 8527T).


2014 ◽  
Vol 64 (Pt_6) ◽  
pp. 2017-2022 ◽  
Author(s):  
Tao Gu ◽  
Li Na Sun ◽  
Jun Zhang ◽  
Xin Hua Sui ◽  
Shun Peng Li

A Gram-stain-negative, non-motile, pale yellow, rod-shaped bacterial strain, YW14T, was isolated from soil and its taxonomic position was investigated by a polyphasic study. Strain YW14T did not form nodules on three different legumes, and the nodD and nifH genes were not detected by PCR. Strain YW14T contained Q-10 as the predominant ubiquinone. The major cellular fatty acid was C18 : 1ω7c. Phylogenetic analyses based on 16S rRNA gene sequences and seven housekeeping gene sequences (recA, atpD, glnII, gyrB, rpoB, dnaK and thrC) showed that strain YW14T belonged to the genus Rhizobium . Strain YW14T showed 16S rRNA gene sequence similarity of 93.4–97.3 % to the type strains of recognized species of the genus Rhizobium . DNA–DNA relatedness between strain YW14T and the type strains of Rhizobium sullae IS123T and Rhizobium yanglingense CCBAU 71623T was 19.6–25.7 %, indicating that strain YW14T was distinct from them genetically. Strain YW14T could also be differentiated from these phylogenetically related species of the genus Rhizobium by various phenotypic properties. On the basis of phenotypic properties, phylogenetic distinctiveness and genetic data, strain YW14T is considered to represent a novel species of the genus Rhizobium , for which the name Rhizobium flavum sp. nov. is proposed. The type strain is YW14T ( = KACC 17222T = CCTCC AB2013042T).


2013 ◽  
Vol 63 (Pt_2) ◽  
pp. 576-580 ◽  
Author(s):  
Tiago Domingues Zucchi ◽  
Byung-Yong Kim ◽  
Avinash Naga Venkata Bonda ◽  
Michael Goodfellow

The taxonomic position of a soil isolate, strain BK147T, was established using data from a polyphasic study. The organism showed a combination of chemotaxonomic and morphological characteristics consistent with its classification in the genus Actinomadura . It formed a distinct phyletic line in the phylogenetic tree based on 16S rRNA gene sequences of members of the genus Actinomadura and was most closely, albeit loosely, related to Actinomadura bangladeshensis DSM 45347T, Actinomadura meyerae DSM 44715T and Actinomadura napierensis NRRL B-24319T but was readily distinguished from these strains using a range of phenotypic properties. Based on the combined genotypic and phenotypic data it is proposed that isolate BK147T ( = KACC 20919T = NCIMB 14771T = NRRL B-24852T) be classified as the type strain of a novel species of the genus Actinomadura , for which the name Actinomadura xylanilytica sp. nov. is proposed.


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