N2-Fixing Fontibacillus forbon sp. nov., a Novel Species from the Plant Rhizosphere
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.A novel nitrogen-fixing bacterium, Fontibacillus forbon sp. nov. (strain BL-9^T), was identified from Chinese ash. This discovery offers potential for new biofertilizers to enhance agricultural plant growth.
Area Of Science
- Microbiology
- Plant Science
- Agricultural Science
Background
- Nitrogen (N2)-fixing bacteria are crucial for sustainable agriculture, offering a natural alternative to chemical fertilizers.
- The genus Fontibacillus comprises bacteria with potential applications in promoting plant growth through nitrogen fixation.
- Isolation and characterization of novel N2-fixing bacteria are essential for expanding biofertilizer resources.
Purpose Of The Study
- To isolate and characterize a novel N2-fixing bacterial species from the rhizosphere of Fraxinus chinensis.
- To determine the phylogenetic and genomic features of the novel isolate.
- To evaluate the potential of the novel species as a biofertilizer.
Main Methods
- Isolation of bacteria from Fraxinus chinensis rhizosphere on nitrogen-free medium.
- Phylogenetic analysis using 16S rRNA gene sequencing and phylogenomic tree construction.
- Genomic analysis including digital DNA-DNA hybridization (dDDH), average nucleotide identity (ANI), and identification of the nitrogen fixation (nif) gene cluster.
- Chemotaxonomic analysis (fatty acid, menaquinone, polar lipid profiles) and phenotypic characterization.
Main Results
- A novel N2-fixing bacterium, strain BL-9^T, was isolated and identified as a new species within the genus Fontibacillus, named Fontibacillus forbon sp. nov.
- Phylogenetic and phylogenomic analyses placed strain BL-9^T closest to Fontibacillus phaseoli BAPVE7B, but dDDH (42.5%) and ANI (90.94%) values confirmed its status as a distinct species.
- The genome of strain BL-9^T contained a complete nif gene cluster, confirming its nitrogen-fixing capability. Chemotaxonomic and phenotypic data further supported its classification.
Conclusions
- Fontibacillus forbon sp. nov. (strain BL-9^T) is a newly discovered nitrogen-fixing bacterium with potential agricultural applications.
- The study provides comprehensive genomic, phylogenetic, and chemotaxonomic data supporting the establishment of this novel species.
- This finding expands the known diversity of nitrogen-fixing bacteria and contributes to the development of novel biofertilizers.
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
Related Concept Videos
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
Allopatric Speciation
In allopatric speciation, gene flow between two populations of the same species is prevented by a geographic...
Overview
A species is a group of organisms that interbreed and produce fertile offspring. Typically, individuals of the same species appear similar and share common characteristics due to their highly similar genomes. However, not all organisms that look alike are members of the same species. Various mechanisms keep most species discrete. While some mechanisms prevent reproductive behavior and fertilization (pre-zygotic isolation), others prevent the production of fertile offspring after...
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
As humans' understanding of genetics advanced, improved crop varieties could be achieved more quickly. Artificial selection could be more directed, and crop varieties enhanced for favorable traits more quickly to produce better, more robust, or more palatable...
Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
Collenchyma and sclerenchyma cells, on the other hand, mainly occur in the outer layers of a plant's stems and leaves. These cells provide the plant with strength and support by either partially thickening their primary cell wall (i.e., collenchyma), or depositing a...
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Instead, plant hormones are often produced in regions of active growth, like the tips of roots and shoots. Additionally, even very low concentrations of plant hormones can have a profound effect on growth and development...