논문 (학술지)
Ciceribacter azotifigens sp nov., a nitrogen-fixing bacterium isolated from activated sludge
| 등록번호 | RPMS-2018-0190700533 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | Siddiqi Muhammad Zubair; Choi Gyu-Min; Im Wan-Taek | ||
| 논문구분 | 국외전문학술지 | 학술지명 | INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY |
| ISSN | 1466-5026 | 학술지 출판일자 | - |
| 학술지 볼륨번호 | 68 | 논문페이지 | 482 ~ 486 |
| 학술지 임팩트팩터 | 2.134 | 기여율 | 50 % |
| DOI | 10.1099/ijsem.0.002438 | ||
| 초록 | A Gram-reaction-negative, catalase- and oxidase-positive, aerobic, transparent, motile and rod-shaped bacterium that was capable of fixing dinitrogen (designated strain A.slu09 T ), isolated from activated sludge, was characterized by a polyphasic approach to clarify its taxonomic position. Strain A.slu09T was observed to grow optimally at 30 °C and at pH 7.0 on R2A agar medium. Strain A.slu09 T showed β-glucosidase activity, converting the major ginsenoside Rd to ginsenoside F2. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain A.slu09 T belongs to the genus Ciceribacter of the family Rhizobiaceae and was most closely related to Ciceribacter lividus MSSRFBL1T (97.8% similarity). The DNA G+C content was 67.2 mol%. The DNA?DNA hybridization value between strain A.slu09T and C. lividus KCTC 32403T was 16.9±1.17 %. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylethanolamine, aminophospholipid and two glycolipids, and one unknown phospholipid as a minor lipid. The predominant quinone was ubiquinone-10 (Q-10). The major fatty acids were C 19 : 0 cyclo ω8c, C 18 : 1 ω7c and/or C 18 : 1 ω6c (summed feature 8) and C 18 : 0 , a profile that supported the affiliation of A.slu09 T to the genus Ciceribacter. Moreover, the physiological and biochemical characteristics and low level of DNA-DNA relatedness allowed the phenotypic and genotypic differentiation of strain A.slu09 T from the recognized species of the genus Ciceribacter. Therefore, strain A.slu09 T represents a novel species of the genus Ciceribacter, for which the name Ciceribacter azotifigens sp. nov. is proposed. The type strain is A.slu09 T (=KACC 19080 T = LMG 29962 T ). | ||
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