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Updated: Feb 11, 2026

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Isolation of Soil Microorganisms Using iChip Technology
Published on: January 10, 2025
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Paenibacillus esterisolvens sp. nov., isolated from soil.
Zhuo-Li Zhao1, Hong Ming2, Wei-Li Ji2
1College of Fisheries, Henan Normal University, Xinxiang 453007, PR China.
Summary
A novel bacterium, Paenibacillus esterisolvens sp. nov., was identified from Vietnamese soil. This Gram-positive, aerobic bacterium exhibits unique characteristics distinguishing it within the Paenibacillus genus.
Area of Science:
- Microbiology
- Bacterial Taxonomy
- Environmental Microbiology
Background:
- The genus Paenibacillus comprises diverse Gram-positive, spore-forming bacteria with significant ecological and industrial roles.
- Accurate taxonomic classification is crucial for understanding bacterial diversity and function.
Purpose of the Study:
- To characterize and classify a newly isolated bacterium from a Vietnamese soil sample.
- To determine the phylogenetic and chemotaxonomic relationships of the novel isolate within the Paenibacillus genus.
Main Methods:
- Isolation and cultivation of bacteria from soil samples.
- 16S rRNA and rpoB gene sequencing for phylogenetic analysis.
- Phenotypic characterization including growth conditions, cell wall composition, and fatty acid profiles.
- Chemotaxonomic analysis of whole-cell sugars and polar lipids.
Main Results:
- A novel Gram-positive, aerobic, rod-shaped bacterium, strain CFH S0170T, was isolated.
- Phylogenetic analysis placed strain CFH S0170T within the genus Paenibacillus, closely related to Paenibacillus vulneris.
- Distinct phenotypic and chemotaxonomic features, including major whole-cell sugars, peptidoglycan composition, and fatty acid profiles, differentiate it from known species.
- The genomic DNA G+C content was determined to be 50.9 mol%.
Conclusions:
- Strain CFH S0170T represents a novel species within the genus Paenibacillus.
- The proposed name for this new species is Paenibacillus esterisolvens sp. nov.
- The type strain is CFH S0170T (=KCTC 33624T=BCRC 80802T).
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