scholarly journals Algoriphagus locisalis sp. nov., isolated from a marine solar saltern

2005 ◽  
Vol 55 (4) ◽  
pp. 1635-1639 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
So-Jung Kang ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Marine Solar Saltern ◽  
Dna Relatedness ◽  
Type Strains

Two Gram-negative, rod-shaped, non-motile bacterial strains, MSS-170T and MSS-171, were isolated from sea water of a marine solar saltern of the Yellow Sea, Korea, and characterized by using a polyphasic taxonomic approach. The two isolates grew optimally at 30 °C and in the presence of 2 % (w/v) NaCl. They were characterized chemotaxonomically as having MK-7 as the predominant menaquinone and major amounts of fatty acids iso-C15 : 0 and C16 : 1 ω7c and/or iso-C15 : 0 2-OH. The DNA G+C content of each of the two strains was 42 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that the two strains fall within the evolutionary radiation enclosed by the genus Algoriphagus. Strains MSS-170T and MSS-171 had identical 16S rRNA gene sequences and exhibited a mean DNA–DNA relatedness level of 93 %. The two strains exhibited 16S rRNA gene sequence similarity levels of 96·4–98·9 % with respect to the type strains of recognized Algoriphagus species. DNA–DNA relatedness levels between the two strains and the type strains of six Algoriphagus species were less than 35 %. On the basis of phenotypic data and phylogenetic and genetic distinctiveness, strains MSS-170T and MSS-171 were classified in the genus Algoriphagus as members of a novel species, for which the name Algoriphagus locisalis sp. nov. is proposed. The type strain is MSS-170T (=KCTC 12310T=JCM 12597T).

scholarly journals Erythrobacter aquimaris sp. nov., isolated from sea water of a tidal flat of the Yellow Sea in Korea

2004 ◽  
Vol 54 (6) ◽  
pp. 1981-1985 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Kook Hee Kang ◽  
Tae-Kwang Oh ◽  
Yong-Ha Park
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Tidal Flat ◽  
Sea Water ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Dna Relatedness ◽  
Type Strains

Three Gram-negative, non-motile, non-spore-forming, slightly halophilic rods (strains SW-110T, SW-116 and SW-140) were isolated from sea water of a tidal flat of the Yellow Sea in Korea and subjected to a polyphasic taxonomic study. The three isolates did not produce bacteriochlorophyll a and were characterized chemotaxonomically by having ubiquinone-10 as the predominant respiratory lipoquinone and C18 : 1 ω7c and C17 : 1 ω6c as the major fatty acids. The DNA G+C content of the three isolates was between 62·2 and 62·9 mol%. Strains SW-110T, SW-116 and SW-140 showed no difference in their 16S rRNA gene sequences, and their mean level of DNA–DNA relatedness was 94·8 %. Phylogenetic analyses based on 16S rRNA gene sequences showed that the three strains form a distinct phylogenetic lineage within the cluster comprising Erythrobacter species. Similarities between the 16S rRNA gene sequences of strains SW-110T, SW-116 and SW-140 and the type strains of Erythrobacter species ranged from 98·4 % (with Erythrobacter longus) to 97·7 % (with Erythrobacter flavus). Levels of DNA–DNA relatedness between strains SW-110T, SW-116 and SW-140 and the type strains of all recognized Erythrobacter species were in the range 5·3–12·7 %. On the basis of polyphasic taxonomic data, strains SW-110T, SW-116 and SW-140 were classified as a novel Erythrobacter species, for which the name Erythrobacter aquimaris sp. nov. is proposed. The type strain is SW-110T (=KCCM 41818T=JCM 12189T).

scholarly journals Marinobacter salicampi sp. nov., isolated from a marine solar saltern in Korea

2007 ◽  
Vol 57 (9) ◽  
pp. 2102-2105 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Mi-Hwa Lee ◽  
So-Jung Kang ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Sequence Similarity ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
The Novel ◽  
Solar Saltern ◽  
Marine Solar Saltern ◽  
Phenotypic Properties ◽  
Type Strains

A Gram-negative, motile, rod-shaped, Marinobacter-like bacterial strain, ISL-40T, was isolated from a marine solar saltern of the Yellow Sea in Korea. The taxonomic position of the novel strain was investigated using a polyphasic approach. Strain ISL-40T grew optimally at pH 7.0–8.0 and at 30 °C. It contained Q-9 as the predominant ubiquinone. The major fatty acids were C16 : 0, C16 : 1 ω7c and/or iso-C15 : 0 2-OH and 10-methyl C16 : 0. The DNA G+C content was 58.1 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-40T belongs to the genus Marinobacter. Strain ISL-40T exhibited 16S rRNA gene sequence similarity values of 93.5–96.4 % to the type strains of recognized Marinobacter species. The differential phenotypic properties and phylogenetic distinctiveness of strain ISL-40T revealed that it is separate from recognized Marinobacter species. On the basis of phenotypic, phylogenetic and genetic data, therefore, strain ISL-40T represents a novel species of the genus Marinobacter, for which the name Marinobacter salicampi sp. nov. is proposed. The type strain is ISL-40T (=KCTC 12972T=CCUG 54357T).

scholarly journals Microbulbifer celer sp. nov., isolated from a marine solar saltern of the Yellow Sea in Korea

2007 ◽  
Vol 57 (10) ◽  
pp. 2365-2369 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Seo-Youn Jung ◽  
So-Jung Kang ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Yellow Sea ◽  
Sequence Similarity ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Marine Solar Saltern ◽  
Phenotypic Properties ◽  
Type Strains

A Gram-negative, non-motile, rod-shaped, Microbulbifer-like bacterial strain, ISL-39T, was isolated from a marine solar saltern of the Yellow Sea in Korea and was subjected to a polyphasic taxonomic investigation. Strain ISL-39T grew optimally at pH 7.0–8.0 and 37 °C. It contained Q-8 as the predominant ubiquinone and iso-C15 : 0, C16 : 0 and iso-C17 : 0 as the major fatty acids. The DNA G+C content was 57.7 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-39T belonged to the genus Microbulbifer. Strain ISL-39T exhibited 16S rRNA gene sequence similarity values of 94.7–97.5 % with respect to the type strains of four recognized Microbulbifer species. DNA–DNA relatedness data and the differential phenotypic properties and phylogenetic distinctiveness of ISL-39T make this strain distinguishable from the recognized Microbulbifer species. On the basis of the phenotypic, phylogenetic and genetic data, strain ISL-39T represents a novel species of the genus Microbulbifer, for which the name Microbulbifer celer sp. nov. is proposed. The type strain is ISL-39T (=KCTC 12973T=CCUG 54356T).

scholarly journals Herbaspirillum rhizosphaerae sp. nov., isolated from rhizosphere soil of Allium victorialis var. platyphyllum

2007 ◽  
Vol 57 (10) ◽  
pp. 2284-2288 ◽  
Author(s):  
Seo-Youn Jung ◽  
Mi-Hwa Lee ◽  
Tae-Kwang Oh ◽  
Jung-Hoon Yoon
Keyword(s):  
Fatty Acids ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Rhizosphere Soil ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Dna Relatedness ◽  
Type Strains

Two Gram-negative, milky-white-pigmented, motile, slightly curved rod-shaped bacterial isolates, UMS-37T and UMS-40, were isolated from rhizosphere soil of wild edible greens cultivated on Ulleung island, Korea, and their taxonomic positions were investigated by a polyphasic approach. They grew optimally at 25–30 °C and contained Q-8 as the predominant ubiquinone. The major cellular fatty acids (>10 % of total fatty acids) were C16 : 0, cyclo C17 : 0 and C16 : 1 ω7c and/oriso-C15 : 0 2-OH. The DNA G+C contents of the two isolates were 59.8 and 60.0 mol%. Isolates UMS-37T and UMS-40 exhibited no difference in their 16S rRNA gene sequences and possessed a mean DNA–DNA relatedness level of 94 %; they exhibited 16S rRNA gene sequence similarity levels of 96.8–98.2 % to the type strains of recognized Herbaspirillum species. Phylogenetic analyses based on 16S rRNA gene sequences showed that isolates UMS-37T and UMS-40 formed a distinct phylogenetic lineage within the genus Herbaspirillum. DNA–DNA relatedness levels between isolates UMS-37T and UMS-40 and the type strains of some phylogenetically related Herbaspirillum species were in the range 3–56 %. On the basis of differences in phenotypic properties and phylogenetic distinctiveness and genomic data, isolates UMS-37T and UMS-40 were classified in the genus Herbaspirillum within a novel species, for which the name Herbaspirillum rhizosphaerae sp. nov. is proposed, with the type strain UMS-37T (=KCTC 12558T =CIP 108917T).

scholarly journals Agromyces allii sp. nov., isolated from the rhizosphere of Allium victorialis var. platyphyllum

2007 ◽  
Vol 57 (3) ◽  
pp. 588-593 ◽  
Author(s):  
Seo-Youn Jung ◽  
Soo-Young Lee ◽  
Tae-Kwang Oh ◽  
Jung-Hoon Yoon
Keyword(s):  
Fatty Acids ◽  
16S Rrna ◽  
16S Rrna Gene ◽  
Phylogenetic Trees ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Dna Relatedness ◽  
Type Strains

Two Gram-positive, non-motile, yellow-pigmented, slightly curved and rod-shaped bacterial strains, UMS-62T and UMS-101, were isolated from the rhizosphere of Allium victorialis var. platyphyllum, a variety of wild edible greens grown on Ulleung island, Korea. The taxonomic position of the strains was investigated by a polyphasic approach. Strains UMS-62T and UMS-101 grew optimally at 30 °C and at pH 6.5–7.5. The novel strains contained MK-11 and MK-12 as the predominant menaquinones and rhamnose, ribose and galactose as the major cell-wall sugars. The major cellular fatty acids (>10 % of the total fatty acids) were anteiso-C15 : 0, iso-C16 : 0 and anteiso-C17 : 0. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and an unidentified glycolipid. The DNA G+C contents were 71.1–71.3 mol%. Phylogenetic trees based on 16S rRNA gene sequences showed that strains UMS-62T and UMS-101 belong to the genus Agromyces. Strains UMS-62T and UMS-101 showed a 16S rRNA gene sequence similarity value of 99.9 % and a mean DNA–DNA relatedness level of 91.1 %. Similarity values between the 16S rRNA gene sequences of the two novel strains and the type strains of recognized Agromyces species ranged from 95.2 to 99.1 %. The levels of DNA–DNA relatedness between the two novel strains and the type strains of five phylogenetically related Agromyces species were in the range of 13.4 to 54.2 %. On the basis of phenotypic properties, phylogenetic distinctiveness and genetic data, strain UMS-62T (=KCTC 19181T=JCM 13584T) and strain UMS-101 are classified as representing a novel species in the genus Agromyces, for which the name Agromyces allii sp. nov. is proposed.

scholarly journals Salegentibacter salarius sp. nov., isolated from a marine solar saltern

2007 ◽  
Vol 57 (12) ◽  
pp. 2738-2742 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Seo-Youn Jung ◽  
So-Jung Kang ◽  
Yong-Taek Jung ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Sequence Similarity ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Marine Solar Saltern ◽  
Phenotypic Properties ◽  
Bacterium Strain ◽  
Type Strains

A Gram-negative, non-motile, rod-shaped bacterium, strain ISL-6T, phenotypically resembling members of the genus Salegentibacter, was isolated from a marine solar saltern of the Yellow Sea in Korea and subjected to a polyphasic taxonomic investigation. Strain ISL-6T grew optimally at pH 7.0–8.0 and 30 °C and in the presence of 8 % (w/v) NaCl. It contained MK-6 as the predominant menaquinone. The major fatty acids were iso-C15 : 0 and anteiso-C15 : 0. The DNA G+C content was 37.5 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-6T belonged to the genus Salegentibacter. Strain ISL-6T exhibited 16S rRNA gene sequence similarity values of 92.0–98.6 % with respect to the type strains of recognized Salegentibacter species. Low DNA–DNA relatedness values, differential phenotypic properties and phylogenetic distinctiveness demonstrated that strain ISL-6T is distinguishable from the recognized Salegentibacter species. Therefore strain ISL-6T represents a novel species of the genus Salegentibacter, for which the name Salegentibacter salarius sp. nov. is proposed. The type strain is ISL-6T (=KCTC 12974T =CCUG 54355T).

scholarly journals Photobacterium lipolyticum sp. nov., a bacterium with lipolytic activity isolated from the Yellow Sea in Korea

2005 ◽  
Vol 55 (1) ◽  
pp. 335-339 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Jung-Kee Lee ◽  
Young-Ok Kim ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Yellow Sea ◽  
The Yellow Sea ◽  
Intertidal Sediment ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Gene Similarity ◽  
Type Strains

A Gram-negative, motile, non-spore-forming, pleomorphic and lipolytic bacterial strain, M37T, was isolated from an intertidal sediment of the Yellow Sea in Korea. This organism grew optimally at 25–28 °C and in the presence of 1–2 % NaCl. It did not grow without NaCl or in the presence of more than 6 % NaCl. Strain M37T was characterized chemotaxonomically by having Q-8 as the predominant respiratory lipoquinone and C16 : 1 ω7c and/or iso-C15 : 0 2-OH and C16 : 0 as the major fatty acids. The DNA G+C content was 47 mol%. Phylogenetic analyses based on 16S rRNA gene sequences placed strain M37T within the clade comprising Photobacterium species, forming a coherent cluster with the type strains of Photobacterium profundum and Photobacterium indicum (16S rRNA gene similarity levels of 97·5–98·0 %). The mean DNA–DNA relatedness levels between strain M37T and P. profundum JCM 10084T and P. indicum DSM 5151T were in the range 12–15 %. Similarities between 16S rRNA gene sequences of strain M37T and those of the type strains of the other Photobacterium species ranged from 93·9 % (with Photobacterium fischeri) to 96·2 % (with Photobacterium phosphoreum). On the basis of phenotypic properties and phylogenetic and genomic distinctiveness, strain M37T (=KCTC 10562BPT=DSM 16190T) should be placed in the genus Photobacterium as a novel species, for which the name Photobacterium lipolyticum sp. nov. is proposed.

scholarly journals Marinobacter flavimaris sp. nov. and Marinobacter daepoensis sp. nov., slightly halophilic organisms isolated from sea water of the Yellow Sea in Korea

2004 ◽  
Vol 54 (5) ◽  
pp. 1799-1803 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
Soo-Hwan Yeo ◽  
In-Gi Kim ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
Sea Water ◽  
Sequence Similarity ◽  
The Yellow Sea ◽  
Rrna Gene ◽  
Rrna Gene Sequence ◽  
16S Rrna Gene Sequences ◽  
Type Strains

Two Gram-negative, motile, non-spore-forming and slightly halophilic rods (strains SW-145T and SW-156T) were isolated from sea water of the Yellow Sea in Korea. Strains SW-145T and SW-156T grew optimally at 37 and 30–37 °C, respectively, and in the presence of 2–6 % (w/v) NaCl. Strains SW-145T and SW-156T were chemotaxonomically characterized as having ubiquinone-9 as the predominant respiratory lipoquinone and C16 : 0, C18 : 1 ω9c, C16 : 1 ω9c and C12 : 0 3-OH as the major fatty acids. The DNA G+C contents of strains SW-145T and SW-156T were 58 and 57 mol%, respectively. Phylogenetic analyses based on 16S rRNA gene sequences showed that strains SW-145T and SW-156T fell within the evolutionary radiation enclosed by the genus Marinobacter. The 16S rRNA gene sequences of strains SW-145T and SW-156T were 94·8 % similar. Strains SW-145T and SW-156T exhibited 16S rRNA gene sequence similarity levels of 94·3–98·1 and 95·4–97·7 %, respectively, with respect to the type strains of all Marinobacter species. Levels of DNA–DNA relatedness, together with 16S rRNA gene sequence similarity values, indicated that strains SW-145T and SW-156T are members of two species that are distinct from seven Marinobacter species with validly published names. On the basis of phenotypic properties and phylogenetic and genotypic distinctiveness, strains SW-145T (=KCTC 12185T=DSM 16070T) and SW-156T (=KCTC 12184T=DSM 16072T) should be placed in the genus Marinobacter as the type strains of two distinct novel species, for which the names Marinobacter flavimaris sp. nov. and Marinobacter daepoensis sp. nov. are proposed.

scholarly journals Planococcus salinarum sp. nov., isolated from a marine solar saltern, and emended description of the genus Planococcus

2010 ◽  
Vol 60 (4) ◽  
pp. 754-758 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
So-Jung Kang ◽  
Soo-Young Lee ◽  
Ki-Hoon Oh ◽  
Tae-Kwang Oh
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Gene Sequence ◽  
16S Rrna Gene Sequence ◽  
Rrna Gene ◽  
Solar Saltern ◽  
Rrna Gene Sequence ◽  
Marine Solar Saltern ◽  
Emended Description ◽  
Type Strains

A Gram-positive, non-motile and coccoid-, short rod- or rod-shaped bacterial strain, ISL-16T, was isolated from a marine solar saltern in Korea and its taxonomic position was investigated using a polyphasic taxonomic approach. Strain ISL-16T grew optimally at pH 7.0–8.0, at 30 °C and in the presence of 2 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain ISL-16T joined the cluster comprising species of the genus Planococcus. Its 16S rRNA gene sequence contained the same signature nucleotides as those defined for the genus Planococcus. Strain ISL-16T exhibited 16S rRNA gene sequence similarity values of 96.9–98.2 % to the type strains of species of the genus Planococcus. Strain ISL-16T contained MK-8 and MK-7 as the predominant menaquinones and anteiso-C15 : 0, C16 : 1 ω7c alcohol and anteiso-C17 : 0 as the major fatty acids. The DNA G+C content was 48.3 mol%. DNA–DNA relatedness values between strain ISL-16T and the type strains of species of the genus Planococcus were 15–28 %. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, enabled strain ISL-16T to be differentiated from recognized species of the genus Planococcus. On the basis of the data presented, strain ISL-16T is considered to represent a novel species of the genus Planococcus, for which the name Planococcus salinarum sp. nov. is proposed. The type strain is ISL-16T (=KCTC 13584T=CCUG 57753T). An emended description of the genus Planococcus is also given.

Reclassification of Parvularcula flava as Aquisalinus luteolus nom. nov. and emended description of the genus Aquisalinus

2021 ◽  
Vol 71 (10) ◽  
Author(s):  
Jun-Jie Ying ◽  
Zhi-Cheng Wu ◽  
Yuan-Chun Fang ◽  
Lin Xu ◽  
Cong Sun
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Type Species ◽  
Comparative Genomic ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Content Type ◽  
Link Type ◽  
Type Strains

Parvularcula flava was proposed as a novel member of genus Parvularcula in 2016. Some time earlier, Aquisalinus flavus has been proposed as a novel species of a novel genus named Aquisalinus . When comparing the 16S rRNA gene sequences of type strains P. flava NH6-79T and A. flavus D11M-2T, they showed 97.9 % sequence identity, much higher than the sequence identities 92.7–94.3 % between P. flava NH6-79T and type strains in the genus Parvularcula , indicating that the later proposed novel taxon Parvularcula flava need reclassification. The phylogenetic trees based on 16S rRNA gene sequences and genome sequences both showed that P. flava NH6-79T and A. flavus D11M-2T formed a separated branch away from strains in the genera Parvularcula , Marinicaulis and Amphiplicatus . The average amino acid identity and average nucleotide identity values of P. flava NH6-79T and A. flavus D11M-2T were 87.9 and 85.0 %, respectively, much higher than the values between P. flava NH6-79T and other closely related type strains (54.3 %–58.1 % and 68.6–70.4 %, respectively). P. flava NH6-79T and A. flavus D11M-2T also contained summed feature 8 (C18 : 1  ω6c and/or C18 : 1  ω7c) and C16 : 0 as major fatty acids, distinguishing them from other closely related taxa. Based on the results of the phylogenetic, comparative genomic and phenotypic analyses, Parvularcula flava should be reclassified as Aquisalinus luteolus nom. nov. and the description of genus Aquisalinus is emended.

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