Paenibacillus suaedae sp. nov. and Paenibacillus violae sp. nov., isolated from the roots of Suaeda japonica Makino and Viola mandshurica W. Becker with plant growth-promoting potential
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Two novel bacterial species, Paenibacillus suaedae and Paenibacillus violae, were identified from plant roots. These Gram-positive, endospore-forming bacteria expand the known diversity within the Paenibacillus genus.
Area Of Science
- Microbiology
- Bacterial Taxonomy
- Plant-Associated Microbes
Background
- The genus Paenibacillus encompasses diverse bacteria, many with roles in plant health and biogeochemical cycles.
- Isolation of novel species is crucial for understanding microbial diversity and ecological functions.
Purpose Of The Study
- To characterize and formally describe two novel bacterial strains isolated from plant roots.
- To determine the taxonomic placement of these strains within the Paenibacillus genus.
Main Methods
- Isolation and cultivation of bacterial strains from plant roots.
- 16S rRNA gene sequencing for initial phylogenetic analysis.
- Phylogenomic and phylogenomic analyses, including digital DNA-DNA hybridization (dDDH) and average nucleotide identity (ANI).
- Detailed phenotypic characterization, including cellular morphology, motility, spore formation, and chemotaxonomic analyses (fatty acid profiles, polar lipids, respiratory quinones).
Main Results
- Two novel Gram-positive, facultatively aerobic, motile, endospore-forming rod strains, designated chi10<sup>T</sup> and PFR10<sup>T</sup>, were isolated.
- Phylogenetic analyses based on 16S rRNA gene sequences and whole-genome data placed these strains within the genus Paenibacillus.
- Low digital DNA-DNA hybridization (dDDH) values (<70%) and average nucleotide identity (ANI) values (<93.6%) between the novel strains and recognized Paenibacillus species confirmed their status as distinct species.
- Distinct chemotaxonomic profiles (major fatty acids) and phenotypic characteristics differentiated the two novel strains.
Conclusions
- The combined phylogenetic, phylogenomic, and phenotypic data strongly support the classification of chi10<sup>T</sup> and PFR10<sup>T</sup> as two novel species within the genus Paenibacillus.
- The proposed names for these novel species are *Paenibacillus suaedae* sp. nov. (type strain chi10<sup>T</sup>) and *Paenibacillus violae* sp. nov. (type strain PFR10<sup>T</sup>).
- This discovery contributes to the understanding of bacterial diversity associated with plant roots and the Paenibacillus genus.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
