Oleiliquidispirillum nitrogeniifigens gen. nov., sp. nov., a new member of the family Rhodospirillaceae isolated from oil reservoir water

Li, Fang‐Ling; Wang, Xiaotong; Shan, Jian-Jie; Li, Shuai; Zhang, Yaxi; Li, Xizhe; Li, Dong-An; Li, Wenjun; Wang, Lei

doi:10.1099/ijsem.0.004200

Cited by 13 publications

(5 citation statements)

References 49 publications

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“…Differential phenotypic characteristics of strain Y-M2 T compared with phylogenetically closed families within the order Rhodospirillales Taxa: 1, Oleispirillaceae fam. nov. (this study); 2, 'Magnetospirillaceae'[15,28,31,59,60]; 3, 'Novispirillaceae'[10,[61][62][63]; 4, Rhodospirillaceae[60,[64][65][66][67][68][69][70][71][72][73][74][75]. +, Positive; −, negative; +/−, positive in some species but negative in others; w, weak; nd, not determined.…”

mentioning

confidence: 69%

“…Genomic studies have revealed that nitrogen fixation-related genes constitute a nitrogen fixation cluster, such as the 17 nif genes ( nifQ , nifA , nifL , nifH , nifD , nifK , nifT , nifY , nifE , nifN , nifX , nifS , nifU , nifW , nifZ , nifM , and nifF ) distributed in a 49 kb region in Stutzerimonas stutzeri A1501 T [29, 30]. Previous studies have demonstrated that all nitrogen fixation bacteria in the order Rhodospirillales carry nif gene clusters, and no vnf or anf cluster has been identified in these species [6–8, 13, 19, 28, 31].…”

Section: Introductionmentioning

confidence: 99%

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Oleispirillum naphthae gen. nov., sp. nov., a bacterium isolated from oil sludge, and proposal of Oleispirillaceae fam. nov.

Peng,

Zhang,

et al. 2024

International Journal of Systematic and Evolutionary Microbiology

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A microaerophilic, Gram-negative, motile, and spiral-shaped bacterium, designated Y-M2T, was isolated from oil sludge of Shengli oil field. The optimal growth condition of strain Y-M2T was at 25 °C, pH 7.0, and in the absence of NaCl. The major polar lipid was phosphatidylethanolamine. The main cellular fatty acid was iso-C17 : 0 3-OH. It contained Q-9 and Q-10 as the predominant quinones. The DNA G+C content was 68.1 mol%. Strain Y-M2T showed the highest 16S rRNA gene sequence similarity to Telmatospirillum siberiense 26-4bT (91.1 %). Phylogenetic analyses based on 16S rRNA gene and genomes showed that strain Y-M2T formed a distinct cluster in the order Rhodospirillales. Genomic analysis showed that Y-M2T possesses a complete nitrogen-fixation cluster which is phylogenetically close to that of methanogene. The nif cluster, encompassing the nitrogenase genes, was found in every N2-fixing strain within the order Rhodospirillales. Phylogeny, phenotype, chemotaxonomy, and genomic results demonstrated that strain Y-M2T represents a novel species of a novel genus in a novel family Oleispirillaceae fam. nov. in the order Rhodospirillales, for which the name Oleispirillum naphthae gen. nov., sp. nov. was proposed. The type strain is Y-M2T (=CCAM 827T=JCM 34765T).

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mentioning

confidence: 69%

Section: Introductionmentioning

confidence: 99%

Oleispirillum naphthae gen. nov., sp. nov., a bacterium isolated from oil sludge, and proposal of Oleispirillaceae fam. nov.

Peng,

Zhang,

et al. 2024

International Journal of Systematic and Evolutionary Microbiology

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“…2). Further comparative analysis indicates that strain XQGS-1 shares low 16S rRNA gene sequence identities with all reported bacteria, such as Caenispirillum salinarum (identity, 92.6%) (33), Oleiliquidispirillum nitrogeniifigens (identity, 92.5%) (34), and MTB clone WYH-37 (identity, 92.5%) (31). Such differences are less than the genus criterion level of 94.5% (35), which indicates that strain XQGS-1 represents a novel MTB species in a novel genus from the Alphaproteobacteria class.…”

Section: Resultsmentioning

confidence: 99%

A Novel Magnetotactic Alphaproteobacterium Producing Intracellular Magnetite and Calcium-Bearing Minerals

Liu

Ren

et al. 2021

Appl Environ Microbiol

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Magnetotactic bacteria (MTB) are prokaryotes that form intracellular magnetite (Fe 3 O 4 ) or greigite (Fe 3 S 4 ) nanocrystals with tailored sizes, often in chain configurations. Such magnetic particles are each surrounded by a lipid bilayer membrane, called a magnetosome, and provide a model system for studying the formation and function of specialized internal structures in prokaryotes. Using fluorescence-coupled scanning electron microscopy, we identified a novel magnetotactic spirillum, XQGS-1, from freshwater Xingqinggong Lake, Xi’an City, Shaanxi Province, China. Phylogenetic analyses based on 16S rRNA gene sequences indicate that strain XQGS-1 represents a novel genus of the Alphaproteobacteria class in the Proteobacteria phylum. Transmission electron microscope analyses reveal that strain XQGS-1 forms on average 17 ± 3 magnetite magnetosome particles with ideal truncated octahedral morphology with average length and width of 88.3 ± 11.7 nm and 83.3 ± 11.0 nm, respectively. They are tightly organized into a single chain along the cell long axis close to the concave side of the cell. Intra-chain magnetic interactions likely result in these large equidimensional magnetite crystals behaving as magnetically stable single domain particles that enable bacterial magnetotaxis. Combined structural and chemical analyses demonstrate that XQGS-1 cells also biomineralize intracellular amorphous calcium phosphate (2-3 granules per cell; 90.5 ± 19.3 nm average size) and weakly crystalline calcium carbonate (2-3 granules per cell; 100.4 ± 21.4 nm average size) in addition to magnetite. Our results expand the taxonomic diversity of MTB and provide evidence for intracellular calcium phosphate biomineralization in MTB. IMPORTANCE Biomineralization is a widespread process in eukaryotes that form shells, teeth, or bones. It also occurs commonly in prokaryotes, resulting in more than sixty known minerals formed by different bacteria under wide-ranging conditions. Among them, magnetotactic bacteria (MTB) are remarkable because they might represent the earliest organisms that biomineralize intracellular magnetic iron minerals (i.e., magnetite (Fe 3 O 4 ) or greigite (Fe 3 S 4 )). Here we report a novel magnetotactic spirillum (XQGS-1) that is phylogenetically affiliated with the Alphaproteobacteria class. In addition to magnetite crystals, XQGS-1 cells form intracellular sub-micron calcium carbonate and calcium phosphate granules. This finding supports the view that MTB are also an important microbial group for intracellular calcium carbonate and calcium phosphate biomineralization.

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“…1). Thus, the family Magnetospirillaceae should include the following genera: Magnetospirillum, Paramagnetospirillum, Phaeospirillum, Oleiliquidispirillum (Li et al, 2020) and the genus Telmatospirillum (Sizova et al, 2007) currently classified in the family Rhodospirillaceae.…”

Section: Taxonomic Revision Of the Rhodospirillales Familiesmentioning

confidence: 99%

Magnetospirillum sulfuroxidans sp. nov., capable of sulfur-dependent lithoautotrophy and a taxonomic reevaluation of the order Rhodospirillales

Koziaeva

Sorokin

Kolganova

et al. 2023

Systematic and Applied Microbiology

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Oleiliquidispirillum nitrogeniifigens gen. nov., sp. nov., a new member of the family Rhodospirillaceae isolated from oil reservoir water

Cited by 13 publications

References 49 publications

Oleispirillum naphthae gen. nov., sp. nov., a bacterium isolated from oil sludge, and proposal of Oleispirillaceae fam. nov.

Oleispirillum naphthae gen. nov., sp. nov., a bacterium isolated from oil sludge, and proposal of Oleispirillaceae fam. nov.

A Novel Magnetotactic Alphaproteobacterium Producing Intracellular Magnetite and Calcium-Bearing Minerals

Magnetospirillum sulfuroxidans sp. nov., capable of sulfur-dependent lithoautotrophy and a taxonomic reevaluation of the order Rhodospirillales

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