Kaistina daejeonensis gen. nov., sp. nov. and Kaistina koreensis sp. nov., a novel nitrogen-fixing genus in the order Rhizobiales in α-2 subclass of the Proteobacteria질소 고정 능력을 갖는 Kaistina daejeonensis gen. nov., sp. nov. 와 Kaistina koreensis sp. Nov.의 특성연구

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dc.contributor.advisorLee, Sung-Taik-
dc.contributor.advisor이성택-
dc.contributor.authorKim, Seong-Hye-
dc.contributor.author김성혜-
dc.date.accessioned2011-12-12T08:54:09Z-
dc.date.available2011-12-12T08:54:09Z-
dc.date.issued2005-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=243511&flag=dissertation-
dc.identifier.urihttp://hdl.handle.net/10203/28040-
dc.description학위논문(석사) - 한국과학기술원 : 생명과학과, 2005.2, [ iv, 30 p. ]-
dc.description.abstractTwo Gram-negative, non-motile, non-spore-forming rods (strains $Y5^T$ and $Y9^T$) were isolated from contaminated phototrophic bacterial strains of the species Rhodopseudomonas palustris, and were investigated using a polyphasic taxonomic approach. Phylogenetic analysis based on the16S rRNA gene sequences showed that strains $Y5^T$ and $Y9^T$ are most closely related to the cluster comprising species in the Rhizobiales in the α-subclass of the Proteobacteria. Comparison of phylogenetic data indicated that they were most closely related to Methylocystis echinoides (91.7% & 91.4% similarity in 16S rDNA sequence). Ubiquinone Q-10 was detected in both strains and no menaquinone was detected. Strains $Y5^T$ and $Y9^T$ have cellular fatty acid profiles containing major amounts of saturated, unsaturated and cyclo fatty acids; the major fatty acids are $C_{18:1}$, $C_{16:0}$, $C_{18:0}$ and $C_{19:0}$ cyclo ω8c. The G + C contents of genomic DNA of strains $Y5^T$ and $Y9^T$ were 64.2% and 65.1%. The 16S rRNA gene sequence similarity between strains $Y5^T$ and $Y9^T$ is 98.5% and the mean level of DNA-DNA relatedness between the two strains is 51.4%. On the basis of phenotypic and phylogenetic data and genomic distinctiveness, it is proposed that strains $Y5^T$ and $Y9^T$ should be placed in a new genus, Kaistina gen. nov., as two distinct new species, for which the names Kaistina daejeonensis sp. nov. and Kaistina koreensis sp. nov. are proposed. The type strains are $Y5^T (= KCTC 12245^T =)$ and $Y9^T (= KCTC 12246^T)$, respectively.eng
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectKaistina 1Group-
dc.subject질소 고정머레이즈 역전사 효소 유전자uctase-
dc.subjectPairingsdo-keto reductasets-
dc.titleKaistina daejeonensis gen. nov., sp. nov. and Kaistina koreensis sp. nov., a novel nitrogen-fixing genus in the order Rhizobiales in α-2 subclass of the Proteobacteria-
dc.title.alternative질소 고정 능력을 갖는 Kaistina daejeonensis gen. nov., sp. nov. 와 Kaistina koreensis sp. Nov.의 특성연구-
dc.typeThesis(Master)-
dc.identifier.CNRN243511/325007 -
dc.description.department한국과학기술원 : 생명과학과, -
dc.identifier.uid020033101-
dc.contributor.localauthorLee, Sung-Taik-
dc.contributor.localauthor이성택-
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