Characterization of uncultivated magnetotactic bacteria from the sediments of Yuehu Lake, China
文献类型：CNKI期刊论文
| 作者 | DU Haijian ; ZHANG Rui; ZHANG Wenyan; XU Cong; CHEN Yiran; PAN Hongmiao; ZHOU Ke; WU Long-fei; XIAO Tian
|
| 发表日期 | 2017-02-15 |
| 出处 | Acta Oceanologica Sinica
 |
| 关键词 | magnetotactic bacteria magnetosome biodiversity Yuehu Lake intertidal sediments |
| 英文摘要 | Marine magnetotactic bacteria were collected from the intertidal sediments of Yuehu Lake(China), where their abundance reached 103–104 ind./cm3. Diverse morphotypes of magnetotactic bacteria were observed, including cocci and oval, vibrio-, spirillum-, rod-, elliptical-, handle- and bar-shaped forms. The magnetococci were the most abundant, and had flagella arranged in parallel within a bundle. The majority of magnetosomes were arranged in one, two or multiple chains, although irregular arrangements were also evident. All the results of high-resolution transmission electron microscopy(HRTEM) analysis show that magnetosome crystals were composed of Fe3O4, and their morphology was specific to particular cell morphotypes. By the 16 S r RNA gene sequence analysis, we found fourteen operational taxonomic units(OTUs) which were related to magnetotactic bacteria. Among these, thirteen belonged to the Alphaproteobacteria and one to the Gammaproteobacteria.Compared with known axenic and uncultured marine magnetotactic bacteria, the 16 S r RNA gene sequences of most magnetotactic bacteria collected from the Yuehu Lake exhibited sequence identities ranging from 90.1% to96.2%(<97%). The results indicate that microbial communities containing previously unidentified magnetotactic bacteria occur in the Yuehu Lake. |
| 文献子类 | CNKI期刊论文 |
| 资助机构 | The National Natural Science Foundation of China under contract Nos 41606187 and 41276170 ; the National Natural Science Foundation of China under contract No.41330962 ; the National Natural Science Foundation of China—Shandong Joint Fund for Marine Science Research Centers under contract No.U1406403 ; supported by Laboratoire International Associé de la Bio-Minéralisation et Nano-Structures |
| 卷 | v.36期:02页:98-108 |
| 语种 | 英文; |
| 分类号 | Q93 |
| ISSN号 | 0253-505X |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/189402]  |
| 专题 | 中国科学院海洋研究所 |
| 作者单位 | 1.LaboratoryforMarineEcologyandEnvironmentalScience,QingdaoNationalLaboratoryforMarineScienceandTechnology 2.KeyLaboratoryforMarineEcologyandEnvironmentalSciences,InstituteofOceanology,ChineseAcademyofSciences 3.UniversityofChineseAcademyofSciences 4.CollegeofResourcesandEnvironment,QingdaoAgricultureUniversity 5.AixMarseilleUniversité,CNRS,LCBUMR7257,InstitutdeMicrobiologiedelaMéditerranée |
| 推荐引用方式 GB/T 7714 | DU Haijian,ZHANG Rui,ZHANG Wenyan,et al. Characterization of uncultivated magnetotactic bacteria from the sediments of Yuehu Lake, China. 2017. |
入库方式： OAI收割
来源：海洋研究所
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