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Nedashkovskaya, Olga I,Vancanneyt, Marc,Kim, Seung Bum,Zhukova, Natalia V Society for General Microbiology 2009 International journal of systematic and evolutiona Vol.59 No.6
<P>The taxonomic position of a novel marine, yellow-pigmented bacterium, designated strain KMM 6211(T), was examined by using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain KMM 6211(T) is a member of the family Flavobacteriaceae, phylum Bacteroidetes. The closest relative of strain KMM 6211(T) was Winogradskyella eximia KMM 3944(T), the sequence similarity being 97.1 %. The DNA G+C content of KMM 6211(T) was 33.6 mol%. The strain was motile by gliding and grew with 1-6 % NaCl and at 4-37 degrees C. Aesculin, casein and gelatin were hydrolysed, but agar, starch, DNA and chitin were not degraded. On the basis of phylogenetic data and phenotypic differences between the isolate and recognized Winogradskyella species, strain KMM 6211(T) represents a novel species of the genus Winogradskyella, for which the name Winogradskyella echinorum sp. nov. is proposed. The type strain is KMM 6211(T) (=KCTC 22026(T)=LMG 24757(T)).</P>
Gramella marina sp. nov., isolated from the sea urchin Strongylocentrotus intermedius.
Nedashkovskaya, Olga I,Kim, Seung Bum,Bae, Kyung Sook Society for General Microbiology 2010 International journal of systematic and evolutiona Vol.60 No.12
<P>The taxonomic position of a novel Gram-stain-negative, aerobic, heterotrophic, gliding, yellow-orange-pigmented bacterium, isolated from the sea urchin Strongylocentrotus intermedius and designated strain KMM 6048(T), was established. Phylogenetic analysis based on 16S rRNA gene sequencing revealed that the isolate was a member of the family Flavobacteriaceae affiliated with recognized species of the genus Gramella, forming a distinct lineage within the genus. 16S rRNA gene sequence similarities between strain KMM 6048(T) and the type strains of species of the genus Gramella were 97.4-98.4?%. In line with representative members of the genus Gramella, strain KMM 6048(T) was oxidase- and catalase-positive, hydrolysed gelatin and starch, utilized carbohydrates and possessed a DNA G+C content of 40.0mol%. However, differentiating phenotypic traits and phylogenetic distinctiveness clearly indicated that the strain represented a novel species within the genus Gramella, for which the name Gramella marina sp. nov. is proposed; the type strain is KMM 6048(T) (=KCTC 12366(T)=LMG 25418(T)).</P>
Nedashkovskaya, Olga I,Kwon, Kae Kyoung,Yang, Sung-Hyun,Lee, Hee-Soon,Chung, Kyung Ho,Kim, Sang-Jin Society for General Microbiology 2008 International journal of systematic and evolutiona Vol.58 No.12
<P>Two heterotrophic, aerobic, yellow-pigmented, Gram-negative, non-gliding bacteria, designated AKS293(T) and AKS432(T), isolated from a red alga, were analysed using a polyphasic taxonomic approach. 16S rRNA gene sequence analysis revealed that the novel strains were affiliated to the genus Lacinutrix, a member of the family Flavobacteriaceae, showing sequence similarities of 96.1-96.4 % with respect to the type strain of Lacinutrix copepodicola. The two novel isolates shared 99.5 % 16S rRNA gene sequence similarity and 55.0 % DNA-DNA relatedness. They grew optimally at 17.5 degrees C and pH 6.5. The main cellular fatty acids of strain AKS293(T) were iso-C(15 : 0), iso-C(15 : 0) 3-OH and iso-C(16 : 0) 3-OH, while those of strain AKS432(T) were anteiso-C(15 : 0), iso-C(15 : 0), iso-C(15 : 1) and iso-C(15 : 0) 3-OH. In both cases, the major isoprenoid quinone was MK-6. The DNA G+C contents were 34.7 and 37.0 mol% for strains AKS293(T) and AKS432(T), respectively. The phylogenetic evidence, phenotypic data and DNA-DNA hybridization results support the differentiation of strains AKS293(T) and AKS432(T) from each other and from their closest relative, L. copepodicola DJ3(T). Therefore, strains AKS293(T) and AKS432(T) represent two novel species, for which the names Lacinutrix algicola sp. nov. and Lacinutrix mariniflava sp. nov. are proposed, respectively. The type strain of L. algicola sp. nov. is AKS293(T) (=KCCM 42313(T)=JCM 13825(T)) and the type strain of L. mariniflava sp. nov. is AKS432(T) (=KCCM 42306(T)=JCM 13824(T)). An emended description of the genus Lacinutrix is also proposed.</P>
Nedashkovskaya, Olga I,Kim, Seung Bum,Vancanneyt, Marc,Lysenko, Anatoly M,Shin, Dong Sung,Park, Myung Soo,Lee, Kang Hyun,Jung, Won Jin,Kalinovskaya, Natalia I,Mikhailov, Valery V,Bae, Kyung Sook,Swing Society for General Microbiology 2006 International journal of systematic and evolutiona Vol.56 No.5
<P>The taxonomic position of three novel marine, heterotrophic, pigmented and agarolytic bacteria with gliding motility, isolated from the sea urchin Strongylocentrotus intermedius, was investigated. 16S rRNA gene sequence analysis revealed that strains KMM 6166, KMM 6172T and KMM 6173 are members of the phylum Bacteroidetes; their nearest neighbours were Belliella baltica and Hongiella marincola (similarities of 94.5 and 93.6 %, respectively). The DNA G+C content of the strains was 44-45 mol%. The predominant fatty acids were C15 : 0 iso, C16:1omega5c, C17:1 iso omega9c, C17:0 iso 3-OH and summed feature 3 (C16:1omega7c and/or C15:0 iso 2-OH). The major respiratory quinone was MK-7. Results of molecular experiments supported by phenotypic and chemotaxonomic data enabled the isolates to be classified as representatives of a novel species in a new genus, for which the name Echinicola pacifica gen. nov., sp. nov. is proposed. Echinicola pacifica is the type species of the genus Echinicola, and its type strain is KMM 6172T (=KCTC 12368T=LMG 23350T).</P>
Nedashkovskaya, Olga I,Kwon, Kae Kyoung,Kim, Sang-Jin Society for General Microbiology 2009 International journal of systematic and evolutiona Vol.59 No.4
<P>The accurate taxonomic position of Donghaeana dokdonensis DSW-6(T) was investigated. Phylogenetic analysis revealed that the 16S rRNA gene sequences of the strain studied and of Persicivirga xylanidelens SW256(T) shared 98.2 % similarity. On the basis of phylogenetic evidence, phenotypic data and DNA-DNA reassociation values, it is proposed that strain DSW-6(T) be reclassified as Persicivirga dokdonensis comb. nov. Emended descriptions of the genus Persicivirga and of P. xylanidelens are also proposed.</P>